feat(api): implement basic interfaces, add a test

api-generator/src/main/java/com/microsoft/playwright/tools/ApiGenerator.java

@@ -74,7 +74,7 @@ class TypeRef extends Element {
 
   void createCustomType() {
     boolean isEnum = jsonName.contains("|\"");
-    boolean isClass = jsonName.equals("Object");
+    boolean isClass = jsonName.replace("null|", "").equals("Object");
     // Use path to the corresponding method, param of field as the key.
     String parentPath = parent.jsonPath;
     Types.Mapping mapping = TypeDefinition.types.findForPath(parentPath);

api-generator/src/main/java/com/microsoft/playwright/tools/Types.java

@@ -238,6 +238,11 @@ class Types {
     add("WebKitBrowser.newPage.options.geolocation.longitude", "number", "double");
     add("WebKitBrowser.newPage.options.geolocation.accuracy", "number", "double");
 
+    add("BrowserContext.setGeolocation.geolocation", "null|Object", "Geolocation");
+    add("ChromiumBrowserContext.setGeolocation.geolocation", "null|Object", "Geolocation");
+    add("BrowserContext.setHTTPCredentials.httpCredentials", "null|Object", "HTTPCredentials");
+    add("ChromiumBrowserContext.setHTTPCredentials.httpCredentials", "null|Object", "HTTPCredentials");
+    add("Page.setViewportSize.viewportSize", "Object", "ViewportSize");
 
     // node.js types
     add("BrowserServer.process", "ChildProcess", "Object");

lib/pom.xml

@@ -31,5 +31,11 @@
       <version>2.8.6</version>
       <scope>compile</scope>
     </dependency>
+      <dependency>
+          <groupId>org.junit.jupiter</groupId>
+          <artifactId>junit-jupiter</artifactId>
+          <version>RELEASE</version>
+          <scope>test</scope>
+      </dependency>
   </dependencies>
 </project>

lib/src/main/java/com/microsoft/playwright/Browser.java

@@ -22,6 +22,25 @@ import java.util.function.BiConsumer;
 public interface Browser {
   class NewContextOptions {
     enum ColorScheme { DARK, LIGHT, NO_PREFERENCE}
+    public class Viewport {
+      int width;
+      int height;
+
+      Viewport() {
+      }
+      public NewContextOptions done() {
+        return NewContextOptions.this;
+      }
+
+      public Viewport withWidth(int width) {
+        this.width = width;
+        return this;
+      }
+      public Viewport withHeight(int height) {
+        this.height = height;
+        return this;
+      }
+    }
     public class Geolocation {
       double latitude;
       double longitude;
@@ -87,7 +106,7 @@ public interface Browser {
     Boolean acceptDownloads;
     Boolean ignoreHTTPSErrors;
     Boolean bypassCSP;
-    Object viewport;
+    Viewport viewport;
     String userAgent;
     Integer deviceScaleFactor;
     Boolean isMobile;
@@ -119,9 +138,9 @@ public interface Browser {
       this.bypassCSP = bypassCSP;
       return this;
     }
-    public NewContextOptions withViewport(Object viewport) {
-      this.viewport = viewport;
-      return this;
+    public Viewport setViewport() {
+      this.viewport = new Viewport();
+      return this.viewport;
     }
     public NewContextOptions withUserAgent(String userAgent) {
       this.userAgent = userAgent;
@@ -198,6 +217,25 @@ public interface Browser {
   }
   class NewPageOptions {
     enum ColorScheme { DARK, LIGHT, NO_PREFERENCE}
+    public class Viewport {
+      int width;
+      int height;
+
+      Viewport() {
+      }
+      public NewPageOptions done() {
+        return NewPageOptions.this;
+      }
+
+      public Viewport withWidth(int width) {
+        this.width = width;
+        return this;
+      }
+      public Viewport withHeight(int height) {
+        this.height = height;
+        return this;
+      }
+    }
     public class Geolocation {
       double latitude;
       double longitude;
@@ -263,7 +301,7 @@ public interface Browser {
     Boolean acceptDownloads;
     Boolean ignoreHTTPSErrors;
     Boolean bypassCSP;
-    Object viewport;
+    Viewport viewport;
     String userAgent;
     Integer deviceScaleFactor;
     Boolean isMobile;
@@ -295,9 +333,9 @@ public interface Browser {
       this.bypassCSP = bypassCSP;
       return this;
     }
-    public NewPageOptions withViewport(Object viewport) {
-      this.viewport = viewport;
-      return this;
+    public Viewport setViewport() {
+      this.viewport = new Viewport();
+      return this.viewport;
     }
     public NewPageOptions withUserAgent(String userAgent) {
       this.userAgent = userAgent;

lib/src/main/java/com/microsoft/playwright/BrowserContext.java

@@ -28,6 +28,37 @@ public interface BrowserContext {
       return this;
     }
   }
+  class Geolocation {
+    int latitude;
+    int longitude;
+    Integer accuracy;
+
+    public Geolocation withLatitude(int latitude) {
+      this.latitude = latitude;
+      return this;
+    }
+    public Geolocation withLongitude(int longitude) {
+      this.longitude = longitude;
+      return this;
+    }
+    public Geolocation withAccuracy(Integer accuracy) {
+      this.accuracy = accuracy;
+      return this;
+    }
+  }
+  class HTTPCredentials {
+    String username;
+    String password;
+
+    public HTTPCredentials withUsername(String username) {
+      this.username = username;
+      return this;
+    }
+    public HTTPCredentials withPassword(String password) {
+      this.password = password;
+      return this;
+    }
+  }
   void close();
   void addCookies(List<Object> cookies);
   void addInitScript(String script, Object arg);
@@ -44,8 +75,8 @@ public interface BrowserContext {
   void setDefaultNavigationTimeout(int timeout);
   void setDefaultTimeout(int timeout);
   void setExtraHTTPHeaders(Map<String, String> headers);
-  void setGeolocation(Object geolocation);
-  void setHTTPCredentials(Object httpCredentials);
+  void setGeolocation(Geolocation geolocation);
+  void setHTTPCredentials(HTTPCredentials httpCredentials);
   void setOffline(boolean offline);
   void unroute(String url, BiConsumer<Route, Request> handler);
   Object waitForEvent(String event, String optionsOrPredicate);

lib/src/main/java/com/microsoft/playwright/BrowserType.java

@@ -191,6 +191,25 @@ public interface BrowserType {
         return this;
       }
     }
+    public class Viewport {
+      int width;
+      int height;
+
+      Viewport() {
+      }
+      public LaunchPersistentContextOptions done() {
+        return LaunchPersistentContextOptions.this;
+      }
+
+      public Viewport withWidth(int width) {
+        this.width = width;
+        return this;
+      }
+      public Viewport withHeight(int height) {
+        this.height = height;
+        return this;
+      }
+    }
     public class Geolocation {
       double latitude;
       double longitude;
@@ -272,7 +291,7 @@ public interface BrowserType {
     Integer slowMo;
     Boolean ignoreHTTPSErrors;
     Boolean bypassCSP;
-    Object viewport;
+    Viewport viewport;
     String userAgent;
     Integer deviceScaleFactor;
     Boolean isMobile;
@@ -367,9 +386,9 @@ public interface BrowserType {
       this.bypassCSP = bypassCSP;
       return this;
     }
-    public LaunchPersistentContextOptions withViewport(Object viewport) {
-      this.viewport = viewport;
-      return this;
+    public Viewport setViewport() {
+      this.viewport = new Viewport();
+      return this.viewport;
     }
     public LaunchPersistentContextOptions withUserAgent(String userAgent) {
       this.userAgent = userAgent;

lib/src/main/java/com/microsoft/playwright/ChromiumBrowser.java

@@ -40,6 +40,25 @@ public interface ChromiumBrowser {
   }
   class NewContextOptions {
     enum ColorScheme { DARK, LIGHT, NO_PREFERENCE}
+    public class Viewport {
+      int width;
+      int height;
+
+      Viewport() {
+      }
+      public NewContextOptions done() {
+        return NewContextOptions.this;
+      }
+
+      public Viewport withWidth(int width) {
+        this.width = width;
+        return this;
+      }
+      public Viewport withHeight(int height) {
+        this.height = height;
+        return this;
+      }
+    }
     public class Geolocation {
       double latitude;
       double longitude;
@@ -105,7 +124,7 @@ public interface ChromiumBrowser {
     Boolean acceptDownloads;
     Boolean ignoreHTTPSErrors;
     Boolean bypassCSP;
-    Object viewport;
+    Viewport viewport;
     String userAgent;
     Integer deviceScaleFactor;
     Boolean isMobile;
@@ -137,9 +156,9 @@ public interface ChromiumBrowser {
       this.bypassCSP = bypassCSP;
       return this;
     }
-    public NewContextOptions withViewport(Object viewport) {
-      this.viewport = viewport;
-      return this;
+    public Viewport setViewport() {
+      this.viewport = new Viewport();
+      return this.viewport;
     }
     public NewContextOptions withUserAgent(String userAgent) {
       this.userAgent = userAgent;
@@ -216,6 +235,25 @@ public interface ChromiumBrowser {
   }
   class NewPageOptions {
     enum ColorScheme { DARK, LIGHT, NO_PREFERENCE}
+    public class Viewport {
+      int width;
+      int height;
+
+      Viewport() {
+      }
+      public NewPageOptions done() {
+        return NewPageOptions.this;
+      }
+
+      public Viewport withWidth(int width) {
+        this.width = width;
+        return this;
+      }
+      public Viewport withHeight(int height) {
+        this.height = height;
+        return this;
+      }
+    }
     public class Geolocation {
       double latitude;
       double longitude;
@@ -281,7 +319,7 @@ public interface ChromiumBrowser {
     Boolean acceptDownloads;
     Boolean ignoreHTTPSErrors;
     Boolean bypassCSP;
-    Object viewport;
+    Viewport viewport;
     String userAgent;
     Integer deviceScaleFactor;
     Boolean isMobile;
@@ -313,9 +351,9 @@ public interface ChromiumBrowser {
       this.bypassCSP = bypassCSP;
       return this;
     }
-    public NewPageOptions withViewport(Object viewport) {
-      this.viewport = viewport;
-      return this;
+    public Viewport setViewport() {
+      this.viewport = new Viewport();
+      return this.viewport;
     }
     public NewPageOptions withUserAgent(String userAgent) {
       this.userAgent = userAgent;

lib/src/main/java/com/microsoft/playwright/ChromiumBrowserContext.java

@@ -28,6 +28,37 @@ public interface ChromiumBrowserContext {
       return this;
     }
   }
+  class Geolocation {
+    int latitude;
+    int longitude;
+    Integer accuracy;
+
+    public Geolocation withLatitude(int latitude) {
+      this.latitude = latitude;
+      return this;
+    }
+    public Geolocation withLongitude(int longitude) {
+      this.longitude = longitude;
+      return this;
+    }
+    public Geolocation withAccuracy(Integer accuracy) {
+      this.accuracy = accuracy;
+      return this;
+    }
+  }
+  class HTTPCredentials {
+    String username;
+    String password;
+
+    public HTTPCredentials withUsername(String username) {
+      this.username = username;
+      return this;
+    }
+    public HTTPCredentials withPassword(String password) {
+      this.password = password;
+      return this;
+    }
+  }
   List<Page> backgroundPages();
   CDPSession newCDPSession(Page page);
   List<Worker> serviceWorkers();
@@ -47,8 +78,8 @@ public interface ChromiumBrowserContext {
   void setDefaultNavigationTimeout(int timeout);
   void setDefaultTimeout(int timeout);
   void setExtraHTTPHeaders(Map<String, String> headers);
-  void setGeolocation(Object geolocation);
-  void setHTTPCredentials(Object httpCredentials);
+  void setGeolocation(Geolocation geolocation);
+  void setHTTPCredentials(HTTPCredentials httpCredentials);
   void setOffline(boolean offline);
   void unroute(String url, BiConsumer<Route, Request> handler);
   Object waitForEvent(String event, String optionsOrPredicate);

lib/src/main/java/com/microsoft/playwright/FirefoxBrowser.java

@@ -22,6 +22,25 @@ import java.util.function.BiConsumer;
 public interface FirefoxBrowser {
   class NewContextOptions {
     enum ColorScheme { DARK, LIGHT, NO_PREFERENCE}
+    public class Viewport {
+      int width;
+      int height;
+
+      Viewport() {
+      }
+      public NewContextOptions done() {
+        return NewContextOptions.this;
+      }
+
+      public Viewport withWidth(int width) {
+        this.width = width;
+        return this;
+      }
+      public Viewport withHeight(int height) {
+        this.height = height;
+        return this;
+      }
+    }
     public class Geolocation {
       double latitude;
       double longitude;
@@ -87,7 +106,7 @@ public interface FirefoxBrowser {
     Boolean acceptDownloads;
     Boolean ignoreHTTPSErrors;
     Boolean bypassCSP;
-    Object viewport;
+    Viewport viewport;
     String userAgent;
     Integer deviceScaleFactor;
     Boolean isMobile;
@@ -119,9 +138,9 @@ public interface FirefoxBrowser {
       this.bypassCSP = bypassCSP;
       return this;
     }
-    public NewContextOptions withViewport(Object viewport) {
-      this.viewport = viewport;
-      return this;
+    public Viewport setViewport() {
+      this.viewport = new Viewport();
+      return this.viewport;
     }
     public NewContextOptions withUserAgent(String userAgent) {
       this.userAgent = userAgent;
@@ -198,6 +217,25 @@ public interface FirefoxBrowser {
   }
   class NewPageOptions {
     enum ColorScheme { DARK, LIGHT, NO_PREFERENCE}
+    public class Viewport {
+      int width;
+      int height;
+
+      Viewport() {
+      }
+      public NewPageOptions done() {
+        return NewPageOptions.this;
+      }
+
+      public Viewport withWidth(int width) {
+        this.width = width;
+        return this;
+      }
+      public Viewport withHeight(int height) {
+        this.height = height;
+        return this;
+      }
+    }
     public class Geolocation {
       double latitude;
       double longitude;
@@ -263,7 +301,7 @@ public interface FirefoxBrowser {
     Boolean acceptDownloads;
     Boolean ignoreHTTPSErrors;
     Boolean bypassCSP;
-    Object viewport;
+    Viewport viewport;
     String userAgent;
     Integer deviceScaleFactor;
     Boolean isMobile;
@@ -295,9 +333,9 @@ public interface FirefoxBrowser {
       this.bypassCSP = bypassCSP;
       return this;
     }
-    public NewPageOptions withViewport(Object viewport) {
-      this.viewport = viewport;
-      return this;
+    public Viewport setViewport() {
+      this.viewport = new Viewport();
+      return this.viewport;
     }
     public NewPageOptions withUserAgent(String userAgent) {
       this.userAgent = userAgent;

lib/src/main/java/com/microsoft/playwright/Page.java

@@ -606,15 +606,15 @@ public interface Page {
       return this;
     }
   }
-  class SetViewportSizeViewportSize {
+  class ViewportSize {
     int width;
     int height;
 
-    public SetViewportSizeViewportSize withWidth(int width) {
+    public ViewportSize withWidth(int width) {
       this.width = width;
       return this;
     }
-    public SetViewportSizeViewportSize withHeight(int height) {
+    public ViewportSize withHeight(int height) {
       this.height = height;
       return this;
     }
@@ -663,6 +663,19 @@ public interface Page {
       return this;
     }
   }
+  class PageViewportSize {
+    int width;
+    int height;
+
+    public PageViewportSize withWidth(int width) {
+      this.width = width;
+      return this;
+    }
+    public PageViewportSize withHeight(int height) {
+      this.height = height;
+      return this;
+    }
+  }
   class WaitForFunctionOptions {
     double polling;
     Integer timeout;
@@ -778,14 +791,14 @@ public interface Page {
   void setDefaultTimeout(int timeout);
   void setExtraHTTPHeaders(Map<String, String> headers);
   void setInputFiles(String selector, String files, SetInputFilesOptions options);
-  void setViewportSize(SetViewportSizeViewportSize viewportSize);
+  void setViewportSize(ViewportSize viewportSize);
   String textContent(String selector, TextContentOptions options);
   String title();
   void type(String selector, String text, TypeOptions options);
   void uncheck(String selector, UncheckOptions options);
   void unroute(String url, BiConsumer<Route, Request> handler);
   String url();
-  Object viewportSize();
+  PageViewportSize viewportSize();
   Object waitForEvent(String event, String optionsOrPredicate);
   JSHandle waitForFunction(String pageFunction, Object arg, WaitForFunctionOptions options);
   void waitForLoadState(LoadState state, WaitForLoadStateOptions options);

lib/src/main/java/com/microsoft/playwright/Playwright.java

@@ -1,12 +1,12 @@
 /**
  * Copyright (c) Microsoft Corporation.
- *
+ * <p>
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- *
+ * <p>
  * http://www.apache.org/licenses/LICENSE-2.0
- *
+ * <p>
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -14,12 +14,18 @@
  * limitations under the License.
  */
 
-package com.microsoft.playwright.impl;
+package com.microsoft.playwright;
 
-import com.google.gson.JsonObject;
+import com.microsoft.playwright.impl.PlaywrightImpl;
 
-public class Request  extends ChannelOwner {
-  Request(ChannelOwner parent, String type, String guid, JsonObject initializer) {
-    super(parent, type, guid, initializer);
+import java.io.IOException;
+
+public interface Playwright {
+  static Playwright create() {
+    return PlaywrightImpl.create();
   }
+
+  BrowserType chromium();
+  BrowserType firefox();
+  BrowserType webkit();
 }

lib/src/main/java/com/microsoft/playwright/Request.java

@@ -20,14 +20,25 @@ import java.util.*;
 import java.util.function.BiConsumer;
 
 public interface Request {
-  Object failure();
+  class RequestFailure {
+    String errorText;
+
+    public RequestFailure withErrorText(String errorText) {
+      this.errorText = errorText;
+      return this;
+    }
+  }
+  class RequestPostDataJSON {
+
+  }
+  RequestFailure failure();
   Frame frame();
   Map<String, String> headers();
   boolean isNavigationRequest();
   String method();
   String postData();
   byte[] postDataBuffer();
-  Object postDataJSON();
+  RequestPostDataJSON postDataJSON();
   Request redirectedFrom();
   Request redirectedTo();
   String resourceType();

lib/src/main/java/com/microsoft/playwright/WebKitBrowser.java

@@ -22,6 +22,25 @@ import java.util.function.BiConsumer;
 public interface WebKitBrowser {
   class NewContextOptions {
     enum ColorScheme { DARK, LIGHT, NO_PREFERENCE}
+    public class Viewport {
+      int width;
+      int height;
+
+      Viewport() {
+      }
+      public NewContextOptions done() {
+        return NewContextOptions.this;
+      }
+
+      public Viewport withWidth(int width) {
+        this.width = width;
+        return this;
+      }
+      public Viewport withHeight(int height) {
+        this.height = height;
+        return this;
+      }
+    }
     public class Geolocation {
       double latitude;
       double longitude;
@@ -87,7 +106,7 @@ public interface WebKitBrowser {
     Boolean acceptDownloads;
     Boolean ignoreHTTPSErrors;
     Boolean bypassCSP;
-    Object viewport;
+    Viewport viewport;
     String userAgent;
     Integer deviceScaleFactor;
     Boolean isMobile;
@@ -119,9 +138,9 @@ public interface WebKitBrowser {
       this.bypassCSP = bypassCSP;
       return this;
     }
-    public NewContextOptions withViewport(Object viewport) {
-      this.viewport = viewport;
-      return this;
+    public Viewport setViewport() {
+      this.viewport = new Viewport();
+      return this.viewport;
     }
     public NewContextOptions withUserAgent(String userAgent) {
       this.userAgent = userAgent;
@@ -198,6 +217,25 @@ public interface WebKitBrowser {
   }
   class NewPageOptions {
     enum ColorScheme { DARK, LIGHT, NO_PREFERENCE}
+    public class Viewport {
+      int width;
+      int height;
+
+      Viewport() {
+      }
+      public NewPageOptions done() {
+        return NewPageOptions.this;
+      }
+
+      public Viewport withWidth(int width) {
+        this.width = width;
+        return this;
+      }
+      public Viewport withHeight(int height) {
+        this.height = height;
+        return this;
+      }
+    }
     public class Geolocation {
       double latitude;
       double longitude;
@@ -263,7 +301,7 @@ public interface WebKitBrowser {
     Boolean acceptDownloads;
     Boolean ignoreHTTPSErrors;
     Boolean bypassCSP;
-    Object viewport;
+    Viewport viewport;
     String userAgent;
     Integer deviceScaleFactor;
     Boolean isMobile;
@@ -295,9 +333,9 @@ public interface WebKitBrowser {
       this.bypassCSP = bypassCSP;
       return this;
     }
-    public NewPageOptions withViewport(Object viewport) {
-      this.viewport = viewport;
-      return this;
+    public Viewport setViewport() {
+      this.viewport = new Viewport();
+      return this.viewport;
     }
     public NewPageOptions withUserAgent(String userAgent) {
       this.userAgent = userAgent;

lib/src/main/java/com/microsoft/playwright/example/Main.java

@@ -0,0 +1,105 @@
+/**
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.microsoft.playwright.example;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonElement;
+import com.microsoft.playwright.*;
+import com.microsoft.playwright.impl.*;
+
+import java.io.*;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+import java.util.function.Supplier;
+
+
+public class Main {
+
+  public static void main(String[] args) throws IOException, InterruptedException, ExecutionException {
+    Playwright playwright = Playwright.create();
+    BrowserType.LaunchOptions options = new BrowserType.LaunchOptions()
+//      .withSlowMo(1000)
+      .withHeadless(false);
+
+    System.out.println("options = " + new Gson().toJson(options));
+    Browser browser = playwright.chromium().launch(options);
+    System.out.println("browser = " + browser);
+
+    Browser.NewContextOptions contextOptions = new Browser.NewContextOptions();
+    contextOptions.setViewport().withWidth(800).withHeight(600);
+    BrowserContext context = browser.newContext(contextOptions);
+    Page page = context.newPage();
+//    page.navigate("http://example.com", null);
+    page.navigate("https://webkit.org", null);
+    page.click("text=web browser engine", new Page.ClickOptions());
+
+//    Supplier<PageImpl> popupSupplier = page.waitForPopup();
+//    Supplier<PageImpl> pageSupplier = context.waitForPage();
+    page.evaluate("window.open('http://example.com'); 13", null);
+    {
+      Object r = page.evaluate("function foo(a) { return a + 1; }", 20);
+      System.out.println("r = " + new Gson().toJson(r));
+    }
+//    {
+//      List<Integer> r = page.evalTyped("function foo() { return [1,2,3]; }");
+//      System.out.println("r = " + new Gson().toJson(r));
+//      int p = r.get(0).intValue() + 1;
+//    }
+//
+//    {
+//      int r = page.evalTyped("function foo() { return 7; }");
+//      System.out.println("int r = " + new Gson().toJson(r));
+//    }
+//
+//    {
+//      double r = page.evalTyped("function foo() { return 7.2; }");
+//      System.out.println("double r = " + new Gson().toJson(r));
+//    }
+//
+//    PageImpl popup = popupSupplier.get();
+//    System.out.println("popup = " + popup);
+//    PageImpl page2 = pageSupplier.get();
+//    System.out.println(page2 == popup);
+//
+//
+//
+//
+//    page.addDialogHandler(d -> {
+//      System.out.println("Got dialog type: " +  d.type());
+//      System.out.println("    message = " +  d.message());
+//      d.accept("abc");
+//    });
+//    page.evaluate("alert('Hi there!')");
+//    System.out.println("After alert");
+//
+//
+//
+//    page.addConsoleListener(m -> {
+//      System.out.println("Got console message type: " +  m.type());
+//      System.out.println("    text = " +  m.text());
+//      System.out.println("    location = " +  m.location());
+//    });
+//    page.evaluate("console.log('A message')");
+
+//    Thread.sleep(1000);
+    browser.close();
+
+    // Disconnect and terminate the threads?
+    // playwright.close();
+    System.out.println("\nDONE.");
+    System.exit(0);
+  }
+}

lib/src/main/java/com/microsoft/playwright/impl/BrowserContext.java

@@ -1,44 +0,0 @@
-/**
- * Copyright (c) Microsoft Corporation.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.microsoft.playwright.impl;
-
-import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
-
-import java.util.function.Supplier;
-
-public class BrowserContext extends ChannelOwner {
-  protected BrowserContext(ChannelOwner parent, String type, String guid, JsonObject initializer) {
-    super(parent, type, guid, initializer);
-  }
-
-  Page newPage() {
-    JsonObject params = new JsonObject();
-    JsonElement result = sendMessage("newPage", params);
-    return connection.getExistingObject(result.getAsJsonObject().getAsJsonObject("page").get("guid").getAsString());
-  }
-
-  public Supplier<Page> waitForPage() {
-    Supplier<JsonObject> pageSupplier = waitForEvent("page");
-    return () -> {
-      JsonObject params = pageSupplier.get();
-      String guid = params.getAsJsonObject("page").get("guid").getAsString();
-      return connection.getExistingObject(guid);
-    };
-  }
-
-}

lib/src/main/java/com/microsoft/playwright/impl/BrowserContextImpl.java

@@ -0,0 +1,150 @@
+/**
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.microsoft.playwright.impl;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.microsoft.playwright.*;
+
+import java.util.List;
+import java.util.Map;
+import java.util.function.BiConsumer;
+import java.util.function.Supplier;
+
+class BrowserContextImpl extends ChannelOwner implements BrowserContext {
+  protected BrowserContextImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
+    super(parent, type, guid, initializer);
+  }
+
+  @Override
+  public void close() {
+
+  }
+
+  @Override
+  public void addCookies(List<Object> cookies) {
+
+  }
+
+  @Override
+  public void addInitScript(String script, Object arg) {
+
+  }
+
+  @Override
+  public Browser browser() {
+    return null;
+  }
+
+  @Override
+  public void clearCookies() {
+
+  }
+
+  @Override
+  public void clearPermissions() {
+
+  }
+
+  @Override
+  public List<Object> cookies(String urls) {
+    return null;
+  }
+
+  @Override
+  public void exposeBinding(String name, String playwrightBinding) {
+
+  }
+
+  @Override
+  public void exposeFunction(String name, String playwrightFunction) {
+
+  }
+
+  @Override
+  public void grantPermissions(List<String> permissions, GrantPermissionsOptions options) {
+
+  }
+
+  @Override
+  public PageImpl newPage() {
+    JsonObject params = new JsonObject();
+    JsonElement result = sendMessage("newPage", params);
+    return connection.getExistingObject(result.getAsJsonObject().getAsJsonObject("page").get("guid").getAsString());
+  }
+
+  @Override
+  public List<Page> pages() {
+    return null;
+  }
+
+  @Override
+  public void route(String url, BiConsumer<Route, Request> handler) {
+
+  }
+
+  @Override
+  public void setDefaultNavigationTimeout(int timeout) {
+
+  }
+
+  @Override
+  public void setDefaultTimeout(int timeout) {
+
+  }
+
+  @Override
+  public void setExtraHTTPHeaders(Map<String, String> headers) {
+
+  }
+
+  @Override
+  public void setGeolocation(Geolocation geolocation) {
+
+  }
+
+  @Override
+  public void setHTTPCredentials(HTTPCredentials httpCredentials) {
+
+  }
+
+  @Override
+  public void setOffline(boolean offline) {
+
+  }
+
+  @Override
+  public void unroute(String url, BiConsumer<Route, Request> handler) {
+
+  }
+
+  @Override
+  public Object waitForEvent(String event, String optionsOrPredicate) {
+    return null;
+  }
+
+
+  public Supplier<PageImpl> waitForPage() {
+    Supplier<JsonObject> pageSupplier = waitForEvent("page");
+    return () -> {
+      JsonObject params = pageSupplier.get();
+      String guid = params.getAsJsonObject("page").get("guid").getAsString();
+      return connection.getExistingObject(guid);
+    };
+  }
+
+}

lib/src/main/java/com/microsoft/playwright/impl/BrowserImpl.java

@@ -19,23 +19,50 @@ package com.microsoft.playwright.impl;
 import com.google.gson.Gson;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
+import com.microsoft.playwright.Browser;
+import com.microsoft.playwright.BrowserContext;
+import com.microsoft.playwright.Page;
 
-public class Browser extends ChannelOwner {
-  Browser(ChannelOwner parent, String type, String guid, JsonObject initializer) {
+import java.util.List;
+
+class BrowserImpl extends ChannelOwner implements Browser {
+  BrowserImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
     super(parent, type, guid, initializer);
   }
 
-  BrowserContext newContext() {
-    return newContext(new BrowserNewContextOptions());
+  @Override
+  public void close() {
+    sendMessage("close", new JsonObject());
   }
 
-  BrowserContext newContext(BrowserNewContextOptions options) {
+  @Override
+  public List<BrowserContext> contexts() {
+    return null;
+  }
+
+  @Override
+  public boolean isConnected() {
+    return false;
+  }
+
+  public BrowserContextImpl newContext() {
+    return newContext(new NewContextOptions());
+  }
+
+  @Override
+  public BrowserContextImpl newContext(NewContextOptions options) {
     JsonObject params = new Gson().toJsonTree(options).getAsJsonObject();
     JsonElement result = sendMessage("newContext", params);
     return connection.getExistingObject(result.getAsJsonObject().getAsJsonObject("context").get("guid").getAsString());
   }
 
-  void close() {
-    sendMessage("close", new JsonObject());
+  @Override
+  public Page newPage(NewPageOptions options) {
+    return null;
+  }
+
+  @Override
+  public String version() {
+    return initializer.get("version").getAsString();
   }
 }

lib/src/main/java/com/microsoft/playwright/impl/BrowserNewContextOptions.java

@@ -19,47 +19,47 @@ package com.microsoft.playwright.impl;
 import java.util.LinkedHashMap;
 
 public class BrowserNewContextOptions {
-  Boolean noDefaultViewport;
+  public Boolean noDefaultViewport;
   public static class Viewport {
     // TODO: int is preferred here
-    int width;
-    int height;
+    public int width;
+    public int height;
   }
-  Viewport viewport;
-  Boolean ignoreHTTPSErrors;
-  Boolean javaScriptEnabled;
-  Boolean bypassCSP;
-  String userAgent;
-  String locale;
-  String timezoneId;
+  public Viewport viewport;
+  public Boolean ignoreHTTPSErrors;
+  public Boolean javaScriptEnabled;
+  public Boolean bypassCSP;
+  public String userAgent;
+  public String locale;
+  public String timezoneId;
   public static class Geolocation {
     // TODO: can we use int somehow?
-    Double longitude;
-    Double latitude;
-    Double accuracy;
+    public Double longitude;
+    public Double latitude;
+    public Double accuracy;
   };
-  Geolocation geolocation;
-  String[] permissions;
-  LinkedHashMap<String, String> extraHTTPHeaders;
-  Boolean offline;
+  public Geolocation geolocation;
+  public String[] permissions;
+  public LinkedHashMap<String, String> extraHTTPHeaders;
+  public Boolean offline;
   public static class HttpCredentials {
-    String username;
-    String password;
+    public String username;
+    public String password;
   }
-  HttpCredentials httpCredentials;
-  Integer deviceScaleFactor;
-  Boolean isMobile;
-  Boolean hasTouch;
-  enum ColorScheme {
+  public HttpCredentials httpCredentials;
+  public Integer deviceScaleFactor;
+  public Boolean isMobile;
+  public Boolean hasTouch;
+  public enum ColorScheme {
     // TODO: noPreference => no-preference
     dark, light, noPreference
   }
-  ColorScheme colorScheme;
-  Boolean acceptDownloads;
-  Boolean _recordVideos;
+  public ColorScheme colorScheme;
+  public Boolean acceptDownloads;
+  public Boolean _recordVideos;
   public static  class _VideoSize {
-    int width;
-    int height;
+    public int width;
+    public int height;
   }
-  _VideoSize _videoSize;
+  public _VideoSize _videoSize;
 }

lib/src/main/java/com/microsoft/playwright/impl/BrowserTypeImpl.java

@@ -19,27 +19,47 @@ package com.microsoft.playwright.impl;
 import com.google.gson.Gson;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
+import com.microsoft.playwright.Browser;
+import com.microsoft.playwright.BrowserContext;
+import com.microsoft.playwright.BrowserServer;
+import com.microsoft.playwright.BrowserType;
 
-public class BrowserType extends ChannelOwner {
-  BrowserType(ChannelOwner parent, String type, String guid, JsonObject initializer) {
+class BrowserTypeImpl extends ChannelOwner implements BrowserType {
+  BrowserTypeImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
     super(parent, type, guid, initializer);
   }
 
+  @Override
+  public Browser connect(ConnectOptions options) {
+    return null;
+  }
+
+  public BrowserImpl launch() {
+    return launch(new LaunchOptions());
+  }
+  @Override
+  public BrowserImpl launch(LaunchOptions options) {
+    JsonObject params = new Gson().toJsonTree(options).getAsJsonObject();
+    JsonElement result = sendMessage("launch", params);
+    return connection.getExistingObject(result.getAsJsonObject().getAsJsonObject("browser").get("guid").getAsString());
+  }
+
   public String executablePath() {
     return initializer.get("executablePath").getAsString();
   }
 
+  @Override
+  public BrowserContext launchPersistentContext(String userDataDir, LaunchPersistentContextOptions options) {
+    return null;
+  }
+
+  @Override
+  public BrowserServer launchServer(LaunchServerOptions options) {
+    return null;
+  }
+
   public String name() {
     return initializer.get("name").getAsString();
   }
 
-  Browser launch() {
-    return launch(new BrowserTypeLaunchOptions());
-  }
-  Browser launch(BrowserTypeLaunchOptions options) {
-    JsonObject params = new Gson().toJsonTree(options).getAsJsonObject();
-    JsonElement result = sendMessage("launch", params);
-    return connection.getExistingObject(result.getAsJsonObject().getAsJsonObject("browser").get("guid").getAsString());
-  }
-
 }

lib/src/main/java/com/microsoft/playwright/impl/BrowserTypeLaunchOptions.java

@@ -21,27 +21,27 @@ import com.google.gson.JsonObject;
 import java.util.LinkedHashMap;
 
 public class BrowserTypeLaunchOptions {
-  String executablePath;
-  String[] args;
-  Boolean ignoreAllDefaultArgs;
-  String[] ignoreDefaultArgs;
-  Boolean handleSIGINT;
-  Boolean handleSIGTERM;
-  Boolean handleSIGHUP;
-  Integer timeout;
-  LinkedHashMap<String, String> env;
-  Boolean headless;
-  Boolean devtools;
+  public String executablePath;
+  public String[] args;
+  public Boolean ignoreAllDefaultArgs;
+  public String[] ignoreDefaultArgs;
+  public Boolean handleSIGINT;
+  public Boolean handleSIGTERM;
+  public Boolean handleSIGHUP;
+  public Integer timeout;
+  public LinkedHashMap<String, String> env;
+  public Boolean headless;
+  public Boolean devtools;
   public static class Proxy {
     String server;
     String bypass;
     String username;
     String password;
   }
-  Proxy proxy;
-  String downloadsPath;
-  String _videosPath;
-  JsonObject firefoxUserPrefs;
-  Boolean chromiumSandbox;
-  Integer slowMo;
+  public Proxy proxy;
+  public String downloadsPath;
+  public String _videosPath;
+  public JsonObject firefoxUserPrefs;
+  public Boolean chromiumSandbox;
+  public Integer slowMo;
 }

lib/src/main/java/com/microsoft/playwright/impl/Connection.java

@@ -174,43 +174,43 @@ public class Connection {
 //    initializer = this._replaceGuidsWithChannels(initializer);
     switch (type) {
       case "BrowserType":
-        result = new BrowserType(parent, type, guid, initializer);
+        result = new BrowserTypeImpl(parent, type, guid, initializer);
         break;
       case "Browser":
-        result = new Browser(parent, type, guid, initializer);
+        result = new BrowserImpl(parent, type, guid, initializer);
         break;
       case "BrowserContext":
-        result = new BrowserContext(parent, type, guid, initializer);
+        result = new BrowserContextImpl(parent, type, guid, initializer);
         break;
       case "ConsoleMessage":
-        result = new ConsoleMessage(parent, type, guid, initializer);
+        result = new ConsoleMessageImpl(parent, type, guid, initializer);
         break;
       case "Dialog":
-        result = new Dialog(parent, type, guid, initializer);
+        result = new DialogImpl(parent, type, guid, initializer);
         break;
       case "Download":
-        result = new Download(parent, type, guid, initializer);
+        result = new DownloadImpl(parent, type, guid, initializer);
         break;
       case "Electron":
 //        result = new Playwright(parent, type, guid, initializer);
         break;
       case "Frame":
-        result = new Frame(parent, type, guid, initializer);
+        result = new FrameImpl(parent, type, guid, initializer);
         break;
       case "JSHandle":
 //        result = new JSHandle(parent, type, guid, initializer);
         break;
       case "Page":
-        result = new Page(parent, type, guid, initializer);
+        result = new PageImpl(parent, type, guid, initializer);
         break;
       case "Playwright":
-        result = new Playwright(parent, type, guid, initializer);
+        result = new PlaywrightImpl(parent, type, guid, initializer);
         break;
       case "Request":
-        result = new Request(parent, type, guid, initializer);
+        result = new RequestImpl(parent, type, guid, initializer);
         break;
       case "Response":
-        result = new Response(parent, type, guid, initializer);
+        result = new ResponseImpl(parent, type, guid, initializer);
         break;
       case "Selectors":
 //        result = new Playwright(parent, type, guid, initializer);

lib/src/main/java/com/microsoft/playwright/impl/ConsoleMessageImpl.java

@@ -19,8 +19,8 @@ package com.microsoft.playwright.impl;
 import com.google.gson.Gson;
 import com.google.gson.JsonObject;
 
-public class ConsoleMessage extends ChannelOwner {
-  public ConsoleMessage(ChannelOwner parent, String type, String guid, JsonObject initializer) {
+public class ConsoleMessageImpl extends ChannelOwner {
+  public ConsoleMessageImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
     super(parent, type, guid, initializer);
   }
 

lib/src/main/java/com/microsoft/playwright/impl/DialogImpl.java

@@ -18,9 +18,9 @@ package com.microsoft.playwright.impl;
 
 import com.google.gson.JsonObject;
 
-public class Dialog extends ChannelOwner {
+public class DialogImpl extends ChannelOwner {
   private boolean handled;
-  Dialog(ChannelOwner parent, String type, String guid, JsonObject initializer) {
+  DialogImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
     super(parent, type, guid, initializer);
   }
 

lib/src/main/java/com/microsoft/playwright/impl/DownloadImpl.java

@@ -19,8 +19,8 @@ package com.microsoft.playwright.impl;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 
-public class Download extends ChannelOwner {
-  public Download(ChannelOwner parent, String type, String guid, JsonObject initializer) {
+public class DownloadImpl extends ChannelOwner {
+  public DownloadImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
     super(parent, type, guid, initializer);
   }
 

lib/src/main/java/com/microsoft/playwright/impl/FrameImpl.java

@@ -19,36 +19,19 @@ package com.microsoft.playwright.impl;
 import com.google.gson.Gson;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
+import com.microsoft.playwright.*;
 
 import java.util.*;
 
 import static com.microsoft.playwright.impl.Helpers.isFunctionBody;
 
-public class Frame  extends ChannelOwner {
-  Page page;
+public class FrameImpl extends ChannelOwner implements Frame {
+  PageImpl page;
 
-  Frame(ChannelOwner parent, String type, String guid, JsonObject initializer) {
+  FrameImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
     super(parent, type, guid, initializer);
   }
 
-  public Response navigate(String url) {
-    return navigate(url, new NavigateOptions());
-  }
-
-  public Response navigate(String url, NavigateOptions options) {
-    JsonObject params = new Gson().toJsonTree(options).getAsJsonObject();
-    params.addProperty("url", url);
-    JsonElement result = sendMessage("goto", params);
-    System.out.println("result = " + new Gson().toJson(result));
-    return connection.getExistingObject(result.getAsJsonObject().getAsJsonObject("response").get("guid").getAsString());
-  }
-
-  public void click(String selector) {
-    JsonObject params = new JsonObject();
-    params.addProperty("selector", selector);
-    JsonElement result = sendMessage("click", params);
-  }
-
   private static SerializedValue serializeValue(Object value) {
     SerializedValue result = new SerializedValue();
     if (value == null)
@@ -148,7 +131,7 @@ public class Frame  extends ChannelOwner {
     return deserialize(value);
   }
 
-  public JsonElement evaluate(String expression, Object arg, boolean forceExpression) {
+  JsonElement evaluate(String expression, Object arg, boolean forceExpression) {
     JsonObject params = new JsonObject();
     params.addProperty("expression", expression);
     params.addProperty("world", "main");
@@ -158,4 +141,218 @@ public class Frame  extends ChannelOwner {
     params.add("arg", new Gson().toJsonTree(serializeArgument(arg)));
     return sendMessage("evaluateExpression", params);
   }
+
+  @Override
+  public ElementHandle querySelector(String selector) {
+    return null;
+  }
+
+  @Override
+  public List<ElementHandle> querySelectorAll(String selector) {
+    return null;
+  }
+
+  @Override
+  public Object evalOnSelector(String selector, String pageFunction, Object arg) {
+    return null;
+  }
+
+  @Override
+  public Object evalOnSelectorAll(String selector, String pageFunction, Object arg) {
+    return null;
+  }
+
+  @Override
+  public ElementHandle addScriptTag(AddScriptTagOptions options) {
+    return null;
+  }
+
+  @Override
+  public ElementHandle addStyleTag(AddStyleTagOptions options) {
+    return null;
+  }
+
+  @Override
+  public void check(String selector, CheckOptions options) {
+
+  }
+
+  @Override
+  public List<Frame> childFrames() {
+    return null;
+  }
+
+  public void click(String selector) {
+    click(selector, new ClickOptions());
+  }
+
+  @Override
+  public void click(String selector, ClickOptions options) {
+    JsonObject params = new JsonObject();
+    params.addProperty("selector", selector);
+    JsonElement result = sendMessage("click", params);
+  }
+
+  @Override
+  public String content() {
+    return null;
+  }
+
+  @Override
+  public void dblclick(String selector, DblclickOptions options) {
+
+  }
+
+  @Override
+  public void dispatchEvent(String selector, String type, Object eventInit, DispatchEventOptions options) {
+
+  }
+
+  @Override
+  public Object evaluate(String pageFunction, Object arg) {
+    return evaluate(pageFunction, arg, false);
+  }
+
+  @Override
+  public JSHandle evaluateHandle(String pageFunction, Object arg) {
+    return null;
+  }
+
+  @Override
+  public void fill(String selector, String value, FillOptions options) {
+
+  }
+
+  @Override
+  public void focus(String selector, FocusOptions options) {
+
+  }
+
+  @Override
+  public ElementHandle frameElement() {
+    return null;
+  }
+
+  @Override
+  public String getAttribute(String selector, String name, GetAttributeOptions options) {
+    return null;
+  }
+
+  public ResponseImpl navigate(String url) {
+    return navigate(url, new GotoOptions());
+  }
+
+  @Override
+  public ResponseImpl navigate(String url, GotoOptions options) {
+    JsonObject params = new Gson().toJsonTree(options).getAsJsonObject();
+    params.addProperty("url", url);
+    JsonElement result = sendMessage("goto", params);
+    System.out.println("result = " + new Gson().toJson(result));
+    return connection.getExistingObject(result.getAsJsonObject().getAsJsonObject("response").get("guid").getAsString());
+  }
+
+  @Override
+  public void hover(String selector, HoverOptions options) {
+
+  }
+
+  @Override
+  public String innerHTML(String selector, InnerHTMLOptions options) {
+    return null;
+  }
+
+  @Override
+  public String innerText(String selector, InnerTextOptions options) {
+    return null;
+  }
+
+  @Override
+  public boolean isDetached() {
+    return false;
+  }
+
+  @Override
+  public String name() {
+    return null;
+  }
+
+  @Override
+  public Page page() {
+    return null;
+  }
+
+  @Override
+  public Frame parentFrame() {
+    return null;
+  }
+
+  @Override
+  public void press(String selector, String key, PressOptions options) {
+
+  }
+
+  @Override
+  public List<String> selectOption(String selector, String values, SelectOptionOptions options) {
+    return null;
+  }
+
+  @Override
+  public void setContent(String html, SetContentOptions options) {
+
+  }
+
+  @Override
+  public void setInputFiles(String selector, String files, SetInputFilesOptions options) {
+
+  }
+
+  @Override
+  public String textContent(String selector, TextContentOptions options) {
+    return null;
+  }
+
+  @Override
+  public String title() {
+    return null;
+  }
+
+  @Override
+  public void type(String selector, String text, TypeOptions options) {
+
+  }
+
+  @Override
+  public void uncheck(String selector, UncheckOptions options) {
+
+  }
+
+  @Override
+  public String url() {
+    return null;
+  }
+
+  @Override
+  public JSHandle waitForFunction(String pageFunction, Object arg, WaitForFunctionOptions options) {
+    return null;
+  }
+
+  @Override
+  public void waitForLoadState(LoadState state, WaitForLoadStateOptions options) {
+
+  }
+
+  @Override
+  public Response waitForNavigation(WaitForNavigationOptions options) {
+    return null;
+  }
+
+  @Override
+  public ElementHandle waitForSelector(String selector, WaitForSelectorOptions options) {
+    return null;
+  }
+
+  @Override
+  public void waitForTimeout(int timeout) {
+
+  }
 }

lib/src/main/java/com/microsoft/playwright/impl/Main.java

@@ -1,102 +0,0 @@
-/**
- * Copyright (c) Microsoft Corporation.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.microsoft.playwright.impl;
-
-import com.google.gson.Gson;
-import com.google.gson.JsonElement;
-
-import java.io.*;
-import java.util.List;
-import java.util.concurrent.ExecutionException;
-import java.util.function.Supplier;
-
-
-public class Main {
-
-  public static void main(String[] args) throws IOException, InterruptedException, ExecutionException {
-    Playwright playwright = Playwright.create();
-    BrowserTypeLaunchOptions options = new BrowserTypeLaunchOptions();
-    options.headless = false;
-//    options.slowMo = 1000;
-    System.out.println("options = " + new Gson().toJson(options));
-    Browser browser = playwright.chromium.launch(options);
-    System.out.println("browser = " + browser);
-
-    BrowserNewContextOptions contextOptions = new BrowserNewContextOptions();
-    contextOptions.viewport = new BrowserNewContextOptions.Viewport();
-    contextOptions.viewport.width = 800;
-    contextOptions.viewport.height = 600;
-    BrowserContext context = browser.newContext(contextOptions);
-    Page page = context.newPage();
-    page.navigate("http://example.com");
-//    page.click("text=web browser engine");
-
-    Supplier<Page> popupSupplier = page.waitForPopup();
-    Supplier<Page> pageSupplier = context.waitForPage();
-    page.evaluate("window.open('http://example.com'); 13");
-    {
-      JsonElement r = page.evaluate("function foo(a) { return a + 1; }", 20);
-      System.out.println("r = " + new Gson().toJson(r));
-    }
-    {
-      List<Integer> r = page.evalTyped("function foo() { return [1,2,3]; }");
-      System.out.println("r = " + new Gson().toJson(r));
-      int p = r.get(0).intValue() + 1;
-    }
-
-    {
-      int r = page.evalTyped("function foo() { return 7; }");
-      System.out.println("int r = " + new Gson().toJson(r));
-    }
-
-    {
-      double r = page.evalTyped("function foo() { return 7.2; }");
-      System.out.println("double r = " + new Gson().toJson(r));
-    }
-
-    Page popup = popupSupplier.get();
-    System.out.println("popup = " + popup);
-    Page page2 = pageSupplier.get();
-    System.out.println(page2 == popup);
-
-
-
-
-    page.addDialogHandler(d -> {
-      System.out.println("Got dialog type: " +  d.type());
-      System.out.println("    message = " +  d.message());
-      d.accept("abc");
-    });
-    page.evaluate("alert('Hi there!')");
-    System.out.println("After alert");
-
-
-
-    page.addConsoleListener(m -> {
-      System.out.println("Got console message type: " +  m.type());
-      System.out.println("    text = " +  m.text());
-      System.out.println("    location = " +  m.location());
-    });
-    page.evaluate("console.log('A message')");
-
-    browser.close();
-
-    // Disconnect and terminate the threads?
-    // playwright.close();
-    System.out.println("\nDONE.");
-    System.exit(0);
-  }
-}

lib/src/main/java/com/microsoft/playwright/impl/Page.java

@@ -1,114 +0,0 @@
-/**
- * Copyright (c) Microsoft Corporation.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.microsoft.playwright.impl;
-
-import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.function.Supplier;
-
-
-public class Page extends ChannelOwner {
-  private final Frame mainFrame;
-  private final List<DialogHandler> dialogHandlers = new ArrayList<>();
-  private final List<ConsoleListener> consoleListeners = new ArrayList<>();
-
-  Page(ChannelOwner parent, String type, String guid, JsonObject initializer) {
-    super(parent, type, guid, initializer);
-    mainFrame = connection.getExistingObject(initializer.getAsJsonObject("mainFrame").get("guid").getAsString());
-    mainFrame.page = this;
-  }
-
-  public Response navigate(String url) {
-    return navigate(url, new NavigateOptions());
-  }
-  public Response navigate(String url, NavigateOptions options) {
-    return mainFrame.navigate(url, options);
-  }
-
-  public void click(String selector) {
-    mainFrame.click(selector);
-  }
-
-  public Supplier<Page> waitForPopup() {
-    Supplier<JsonObject> popupSupplier = waitForEvent("popup");
-    return () -> {
-      JsonObject params = popupSupplier.get();
-      String guid = params.getAsJsonObject("page").get("guid").getAsString();
-      return connection.getExistingObject(guid);
-    };
-  }
-
-  public interface DialogHandler {
-    void handle(Dialog d);
-  }
-
-  public void addDialogHandler(DialogHandler handler) {
-    dialogHandlers.add(handler);
-  }
-
-  public void removeDialogHandler(DialogHandler handler) {
-    dialogHandlers.remove(handler);
-  }
-
-  protected void handleEvent(String event, JsonObject params) {
-    if ("dialog".equals(event)) {
-      String guid = params.getAsJsonObject("dialog").get("guid").getAsString();
-      Dialog dialog = connection.getExistingObject(guid);
-      for (DialogHandler handler: new ArrayList<>(dialogHandlers))
-        handler.handle(dialog);
-      // If no action taken dismiss dialog to not hang.
-      if (!dialog.isHandled())
-        dialog.dismiss();
-    } else if ("console".equals(event)) {
-      String guid = params.getAsJsonObject("message").get("guid").getAsString();
-      ConsoleMessage message = connection.getExistingObject(guid);
-      for (ConsoleListener listener: new ArrayList<>(consoleListeners))
-        listener.handle(message);
-    }
-  }
-
-  public interface ConsoleListener {
-    void handle(ConsoleMessage m);
-  }
-
-  public void addConsoleListener(ConsoleListener listener) {
-    consoleListeners.add(listener);
-  }
-
-  public void removeConsoleListener(ConsoleListener listener) {
-    consoleListeners.remove(listener);
-  }
-
-  public <T> T evalTyped(String expression) {
-    return mainFrame.evalTyped(expression);
-  }
-
-  public JsonElement evaluate(String expression) {
-    return evaluate(expression, null);
-  }
-
-  public JsonElement evaluate(String expression, Object arg) {
-    return evaluate(expression, arg, false);
-  }
-
-  public JsonElement evaluate(String expression, Object arg, boolean forceExpression) {
-    return mainFrame.evaluate(expression, arg, forceExpression);
-  }
-}

lib/src/main/java/com/microsoft/playwright/impl/PageImpl.java

@@ -0,0 +1,421 @@
+/**
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.microsoft.playwright.impl;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.microsoft.playwright.*;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.function.BiConsumer;
+import java.util.function.Supplier;
+
+
+public class PageImpl extends ChannelOwner implements Page {
+  private final FrameImpl mainFrame;
+  private final List<DialogHandler> dialogHandlers = new ArrayList<>();
+  private final List<ConsoleListener> consoleListeners = new ArrayList<>();
+
+  PageImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
+    super(parent, type, guid, initializer);
+    mainFrame = connection.getExistingObject(initializer.getAsJsonObject("mainFrame").get("guid").getAsString());
+    mainFrame.page = this;
+  }
+
+  public Supplier<PageImpl> waitForPopup() {
+    Supplier<JsonObject> popupSupplier = waitForEvent("popup");
+    return () -> {
+      JsonObject params = popupSupplier.get();
+      String guid = params.getAsJsonObject("page").get("guid").getAsString();
+      return connection.getExistingObject(guid);
+    };
+  }
+
+  public interface DialogHandler {
+    void handle(DialogImpl d);
+  }
+
+  public void addDialogHandler(DialogHandler handler) {
+    dialogHandlers.add(handler);
+  }
+
+  public void removeDialogHandler(DialogHandler handler) {
+    dialogHandlers.remove(handler);
+  }
+
+  protected void handleEvent(String event, JsonObject params) {
+    if ("dialog".equals(event)) {
+      String guid = params.getAsJsonObject("dialog").get("guid").getAsString();
+      DialogImpl dialog = connection.getExistingObject(guid);
+      for (DialogHandler handler: new ArrayList<>(dialogHandlers))
+        handler.handle(dialog);
+      // If no action taken dismiss dialog to not hang.
+      if (!dialog.isHandled())
+        dialog.dismiss();
+    } else if ("console".equals(event)) {
+      String guid = params.getAsJsonObject("message").get("guid").getAsString();
+      ConsoleMessageImpl message = connection.getExistingObject(guid);
+      for (ConsoleListener listener: new ArrayList<>(consoleListeners))
+        listener.handle(message);
+    }
+  }
+
+  public interface ConsoleListener {
+    void handle(ConsoleMessageImpl m);
+  }
+
+  public void addConsoleListener(ConsoleListener listener) {
+    consoleListeners.add(listener);
+  }
+
+  public void removeConsoleListener(ConsoleListener listener) {
+    consoleListeners.remove(listener);
+  }
+
+  public <T> T evalTyped(String expression) {
+    return mainFrame.evalTyped(expression);
+  }
+
+  public JsonElement evaluate(String expression) {
+    return evaluate(expression, null);
+  }
+
+  @Override
+  public void close(CloseOptions options) {
+
+  }
+
+  @Override
+  public ElementHandle querySelector(String selector) {
+    return null;
+  }
+
+  @Override
+  public List<ElementHandle> querySelectorAll(String selector) {
+    return null;
+  }
+
+  @Override
+  public Object evalOnSelector(String selector, String pageFunction, Object arg) {
+    return null;
+  }
+
+  @Override
+  public Object evalOnSelectorAll(String selector, String pageFunction, Object arg) {
+    return null;
+  }
+
+  @Override
+  public void addInitScript(String script, Object arg) {
+
+  }
+
+  @Override
+  public ElementHandle addScriptTag(AddScriptTagOptions options) {
+    return null;
+  }
+
+  @Override
+  public ElementHandle addStyleTag(AddStyleTagOptions options) {
+    return null;
+  }
+
+  @Override
+  public void bringToFront() {
+
+  }
+
+  @Override
+  public void check(String selector, CheckOptions options) {
+
+  }
+
+  public void click(String selector) {
+    mainFrame.click(selector);
+  }
+
+  @Override
+  public void click(String selector, ClickOptions options) {
+
+  }
+
+  @Override
+  public String content() {
+    return null;
+  }
+
+  @Override
+  public BrowserContext context() {
+    return null;
+  }
+
+  @Override
+  public void dblclick(String selector, DblclickOptions options) {
+
+  }
+
+  @Override
+  public void dispatchEvent(String selector, String type, Object eventInit, DispatchEventOptions options) {
+
+  }
+
+  @Override
+  public void emulateMedia(EmulateMediaOptions options) {
+
+  }
+
+  @Override
+  public JsonElement evaluate(String expression, Object arg) {
+    return evaluate(expression, arg, false);
+  }
+
+  @Override
+  public JSHandle evaluateHandle(String pageFunction, Object arg) {
+    return null;
+  }
+
+  @Override
+  public void exposeBinding(String name, String playwrightBinding) {
+
+  }
+
+  @Override
+  public void exposeFunction(String name, String playwrightFunction) {
+
+  }
+
+  @Override
+  public void fill(String selector, String value, FillOptions options) {
+
+  }
+
+  @Override
+  public void focus(String selector, FocusOptions options) {
+
+  }
+
+  @Override
+  public Frame frame(String options) {
+    return null;
+  }
+
+  @Override
+  public List<Frame> frames() {
+    return null;
+  }
+
+  @Override
+  public String getAttribute(String selector, String name, GetAttributeOptions options) {
+    return null;
+  }
+
+  @Override
+  public Response goBack(GoBackOptions options) {
+    return null;
+  }
+
+  @Override
+  public Response goForward(GoForwardOptions options) {
+    return null;
+  }
+
+  public ResponseImpl navigate(String url) {
+    return navigate(url, new GotoOptions());
+  }
+
+  @Override
+  public ResponseImpl navigate(String url, GotoOptions options) {
+    // TODO: convert params
+    return mainFrame.navigate(url, new Frame.GotoOptions());
+  }
+
+  @Override
+  public void hover(String selector, HoverOptions options) {
+
+  }
+
+  @Override
+  public String innerHTML(String selector, InnerHTMLOptions options) {
+    return null;
+  }
+
+  @Override
+  public String innerText(String selector, InnerTextOptions options) {
+    return null;
+  }
+
+  @Override
+  public boolean isClosed() {
+    return false;
+  }
+
+  @Override
+  public Frame mainFrame() {
+    return null;
+  }
+
+  @Override
+  public Page opener() {
+    return null;
+  }
+
+  @Override
+  public byte[] pdf(PdfOptions options) {
+    return new byte[0];
+  }
+
+  @Override
+  public void press(String selector, String key, PressOptions options) {
+
+  }
+
+  @Override
+  public Response reload(ReloadOptions options) {
+    return null;
+  }
+
+  @Override
+  public void route(String url, BiConsumer<Route, Request> handler) {
+
+  }
+
+  @Override
+  public byte[] screenshot(ScreenshotOptions options) {
+    return new byte[0];
+  }
+
+  @Override
+  public List<String> selectOption(String selector, String values, SelectOptionOptions options) {
+    return null;
+  }
+
+  @Override
+  public void setContent(String html, SetContentOptions options) {
+
+  }
+
+  @Override
+  public void setDefaultNavigationTimeout(int timeout) {
+
+  }
+
+  @Override
+  public void setDefaultTimeout(int timeout) {
+
+  }
+
+  @Override
+  public void setExtraHTTPHeaders(Map<String, String> headers) {
+
+  }
+
+  @Override
+  public void setInputFiles(String selector, String files, SetInputFilesOptions options) {
+
+  }
+
+  @Override
+  public void setViewportSize(ViewportSize viewportSize) {
+
+  }
+
+  @Override
+  public String textContent(String selector, TextContentOptions options) {
+    return null;
+  }
+
+  @Override
+  public String title() {
+    return null;
+  }
+
+  @Override
+  public void type(String selector, String text, TypeOptions options) {
+
+  }
+
+  @Override
+  public void uncheck(String selector, UncheckOptions options) {
+
+  }
+
+  @Override
+  public void unroute(String url, BiConsumer<Route, Request> handler) {
+
+  }
+
+  @Override
+  public String url() {
+    return null;
+  }
+
+  @Override
+  public PageViewportSize viewportSize() {
+    return null;
+  }
+
+  @Override
+  public Object waitForEvent(String event, String optionsOrPredicate) {
+    return null;
+  }
+
+  @Override
+  public JSHandle waitForFunction(String pageFunction, Object arg, WaitForFunctionOptions options) {
+    return null;
+  }
+
+  @Override
+  public void waitForLoadState(LoadState state, WaitForLoadStateOptions options) {
+
+  }
+
+  @Override
+  public Response waitForNavigation(WaitForNavigationOptions options) {
+    return null;
+  }
+
+  @Override
+  public Request waitForRequest(String urlOrPredicate, WaitForRequestOptions options) {
+    return null;
+  }
+
+  @Override
+  public Response waitForResponse(String urlOrPredicate, WaitForResponseOptions options) {
+    return null;
+  }
+
+  @Override
+  public ElementHandle waitForSelector(String selector, WaitForSelectorOptions options) {
+    return null;
+  }
+
+  @Override
+  public void waitForTimeout(int timeout) {
+
+  }
+
+  @Override
+  public List<Worker> workers() {
+    return null;
+  }
+
+  public JsonElement evaluate(String expression, Object arg, boolean forceExpression) {
+    return mainFrame.evaluate(expression, arg, forceExpression);
+  }
+}

lib/src/main/java/com/microsoft/playwright/impl/Playwright.java

@@ -1,49 +0,0 @@
-/**
- * Copyright (c) Microsoft Corporation.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.microsoft.playwright.impl;
-
-import com.google.gson.JsonObject;
-
-import java.io.File;
-import java.io.IOException;
-import java.nio.file.FileSystems;
-
-public class Playwright extends ChannelOwner {
-  static Playwright create() throws IOException {
-    File cwd = FileSystems.getDefault().getPath(".").toFile();
-    File driver = new File(cwd, "../driver/main.js");
-    System.out.println("driver = " + driver.getCanonicalPath());
-    ProcessBuilder pb = new ProcessBuilder("node", driver.getCanonicalPath());
-    pb.redirectError(ProcessBuilder.Redirect.INHERIT);
-//    pb.environment().put("DEBUG", "pw:pro*");
-    Process p = pb.start();
-    Connection connection = new Connection(p.getInputStream(), p.getOutputStream());
-    Playwright playwright = (Playwright)connection.waitForObjectWithKnownName("Playwright");
-    return playwright;
-  }
-
-  public final BrowserType chromium;
-  public final BrowserType firefox;
-  public final BrowserType webkit;
-
-  public Playwright(ChannelOwner parent, String type, String guid, JsonObject initializer) {
-    super(parent, type, guid, initializer);
-    chromium = parent.connection.getExistingObject(initializer.getAsJsonObject("chromium").get("guid").getAsString());
-    firefox = parent.connection.getExistingObject(initializer.getAsJsonObject("firefox").get("guid").getAsString());
-    webkit = parent.connection.getExistingObject(initializer.getAsJsonObject("webkit").get("guid").getAsString());
-  }
-}

lib/src/main/java/com/microsoft/playwright/impl/PlaywrightImpl.java

@@ -0,0 +1,70 @@
+/**
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.microsoft.playwright.impl;
+
+import com.google.gson.JsonObject;
+import com.microsoft.playwright.BrowserType;
+import com.microsoft.playwright.Playwright;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.FileSystems;
+
+public class PlaywrightImpl extends ChannelOwner implements Playwright {
+  public static PlaywrightImpl create() {
+    try {
+      File cwd = FileSystems.getDefault().getPath(".").toFile();
+      File driver = new File(cwd, "../driver/main.js");
+      System.out.println("driver = " + driver.getCanonicalPath());
+      ProcessBuilder pb = new ProcessBuilder("node", driver.getCanonicalPath());
+      pb.redirectError(ProcessBuilder.Redirect.INHERIT);
+//    pb.environment().put("DEBUG", "pw:pro*");
+      Process p = pb.start();
+      Connection connection = new Connection(p.getInputStream(), p.getOutputStream());
+      PlaywrightImpl playwright = (PlaywrightImpl)connection.waitForObjectWithKnownName("Playwright");
+      return playwright;
+    } catch (IOException e) {
+      throw new RuntimeException(e);
+    }
+  }
+
+  private final BrowserTypeImpl chromium;
+  private final BrowserTypeImpl firefox;
+  private final BrowserTypeImpl webkit;
+
+  public PlaywrightImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
+    super(parent, type, guid, initializer);
+    chromium = parent.connection.getExistingObject(initializer.getAsJsonObject("chromium").get("guid").getAsString());
+    firefox = parent.connection.getExistingObject(initializer.getAsJsonObject("firefox").get("guid").getAsString());
+    webkit = parent.connection.getExistingObject(initializer.getAsJsonObject("webkit").get("guid").getAsString());
+  }
+
+  @Override
+  public BrowserTypeImpl chromium() {
+    return chromium;
+  }
+
+  @Override
+  public BrowserTypeImpl firefox() {
+    return firefox;
+  }
+
+  @Override
+  public BrowserTypeImpl webkit() {
+    return webkit;
+  }
+}

lib/src/main/java/com/microsoft/playwright/impl/RequestImpl.java

@@ -18,8 +18,8 @@ package com.microsoft.playwright.impl;
 
 import com.google.gson.JsonObject;
 
-public class Response extends ChannelOwner {
-  Response(ChannelOwner parent, String type, String guid, JsonObject initializer) {
+public class RequestImpl extends ChannelOwner {
+  RequestImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
     super(parent, type, guid, initializer);
   }
 }

lib/src/main/java/com/microsoft/playwright/impl/ResponseImpl.java

@@ -0,0 +1,85 @@
+/**
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.microsoft.playwright.impl;
+
+import com.google.gson.JsonObject;
+import com.microsoft.playwright.Frame;
+import com.microsoft.playwright.Request;
+import com.microsoft.playwright.Response;
+
+import java.util.Map;
+
+public class ResponseImpl extends ChannelOwner implements Response {
+  ResponseImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
+    super(parent, type, guid, initializer);
+  }
+
+  @Override
+  public byte[] body() {
+    return new byte[0];
+  }
+
+  @Override
+  public Error finished() {
+    return null;
+  }
+
+  @Override
+  public Frame frame() {
+    return null;
+  }
+
+  @Override
+  public Map<String, String> headers() {
+    return null;
+  }
+
+  @Override
+  public Object json() {
+    return null;
+  }
+
+  @Override
+  public boolean ok() {
+    return false;
+  }
+
+  @Override
+  public Request request() {
+    return null;
+  }
+
+  @Override
+  public int status() {
+    return 0;
+  }
+
+  @Override
+  public String statusText() {
+    return null;
+  }
+
+  @Override
+  public String text() {
+    return null;
+  }
+
+  @Override
+  public String url() {
+    return null;
+  }
+}

lib/src/test/java/com/microsoft/playwright/TestClick.java

@@ -0,0 +1,57 @@
+/**
+ * Copyright (c) Microsoft Corporation.
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.microsoft.playwright;
+
+import com.google.gson.Gson;
+import org.junit.jupiter.api.Test;
+
+import java.util.regex.Pattern;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class TestClick {
+  private static Playwright playwright;
+  private Browser browser;
+  private boolean isChromium;
+
+  @org.junit.jupiter.api.BeforeAll
+  static void beforeAll() {
+    playwright = Playwright.create();
+  }
+
+  @org.junit.jupiter.api.BeforeEach
+  void setUp() {
+    BrowserType.LaunchOptions options = new BrowserType.LaunchOptions();
+    browser = playwright.chromium().launch(options);
+    isChromium = true;
+  }
+
+  @org.junit.jupiter.api.AfterEach
+  void tearDown() {
+    browser.close();
+  }
+
+  @Test
+  void version_should_work() {
+    System.out.println("browser = " + browser);
+    System.out.println("version = " + browser.version());
+    if (isChromium)
+      assertTrue(Pattern.matches("^\\d+\\.\\d+\\.\\d+\\.\\d+$", browser.version()));
+    else
+      assertTrue(Pattern.matches("^\\d+\\.\\d+", browser.version()));
+  }
+}