test: convert eval-on-selector-all (#14)

playwright/src/test/java/com/microsoft/playwright/TestEvalOnSelectorAll.java

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+/**
+ * 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;
+
+import org.junit.jupiter.api.*;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Collections;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class TestEvalOnSelectorAll {
+  private static Playwright playwright;
+  private static Server server;
+  private static Browser browser;
+  private static boolean isChromium;
+  private static boolean isWebKit;
+  private static boolean headful;
+  private BrowserContext context;
+  private Page page;
+
+  @BeforeAll
+  static void launchBrowser() {
+    playwright = Playwright.create();
+    BrowserType.LaunchOptions options = new BrowserType.LaunchOptions();
+    browser = playwright.chromium().launch(options);
+    isChromium = true;
+    isWebKit = false;
+    headful = false;
+  }
+
+  @BeforeAll
+  static void startServer() throws IOException {
+    server = new Server(8907);
+  }
+
+  @AfterAll
+  static void stopServer() throws IOException {
+    browser.close();
+    server.stop();
+    server = null;
+  }
+
+  @BeforeEach
+  void setUp() {
+    server.reset();
+    context = browser.newContext();
+    page = context.newPage();
+  }
+
+  @AfterEach
+  void tearDown() {
+    context.close();
+    context = null;
+    page = null;
+  }
+  @Test
+  void shouldWorkWithCssSelector() {
+    page.setContent("<div>hello</div><div>beautiful</div><div>world!</div>");
+    Object divsCount = page.evalOnSelectorAll("css=div", "divs => divs.length");
+    assertEquals(3, divsCount);
+  }
+
+  @Test
+  void shouldWorkWithTextSelector() {
+    page.setContent("<div>hello</div><div>beautiful</div><div>beautiful</div><div>world!</div>");
+    Object divsCount = page.evalOnSelectorAll("text='beautiful'", "divs => divs.length");
+    assertEquals(2, divsCount);
+  }
+
+  @Test
+  void shouldWorkWithXpathSelector() {
+    page.setContent("<div>hello</div><div>beautiful</div><div>world!</div>");
+    Object divsCount = page.evalOnSelectorAll("xpath=/html/body/div", "divs => divs.length");
+    assertEquals(3, divsCount);
+  }
+
+  @Test
+  void shouldAutoDetectCssSelector() {
+    page.setContent("<div>hello</div><div>beautiful</div><div>world!</div>");
+    Object divsCount = page.evalOnSelectorAll("div", "divs => divs.length");
+    assertEquals(3, divsCount);
+  }
+
+  @Test
+  void shouldSupportSyntax() {
+    page.setContent("<div><span>hello</span></div><div>beautiful</div><div><span>wo</span><span>rld!</span></div><span>Not this one</span>");
+    Object spansCount = page.evalOnSelectorAll("css=div >> css=span", "spans => spans.length");
+    assertEquals(3, spansCount);
+  }
+  @Test
+  void shouldSupportCapture() {
+    page.setContent("<section><div><span>a</span></div></section><section><div><span>b</span></div></section>");
+    assertEquals(1, page.evalOnSelectorAll("*css=div >> 'b'", "els => els.length"));
+    assertEquals(1, page.evalOnSelectorAll("section >> *css=div >> 'b'", "els => els.length"));
+    assertEquals(4, page.evalOnSelectorAll("section >> *", "els => els.length"));
+
+    page.setContent("<section><div><span>a</span><span>a</span></div></section>");
+    assertEquals(1, page.evalOnSelectorAll("*css=div >> 'a'", "els => els.length"));
+    assertEquals(1, page.evalOnSelectorAll("section >> *css=div >> 'a'", "els => els.length"));
+
+    page.setContent("<div><span>a</span></div><div><span>a</span></div><section><div><span>a</span></div></section>");
+    assertEquals(3, page.evalOnSelectorAll("*css=div >> 'a'", "els => els.length"));
+    assertEquals(1, page.evalOnSelectorAll("section >> *css=div >> 'a'", "els => els.length"));
+  }
+
+  @Test
+  void shouldSupportCaptureWhenMultiplePathsMatch() {
+    page.setContent("<div><div><span></span></div></div><div></div>");
+    assertEquals(2, page.evalOnSelectorAll("*css=div >> span", "els => els.length"));
+    page.setContent("<div><div><span></span></div><span></span><span></span></div><div></div>");
+    assertEquals(2, page.evalOnSelectorAll("*css=div >> span", "els => els.length"));
+  }
+
+  @Test
+  void shouldReturnComplexValues() {
+    page.setContent("<div>hello</div><div>beautiful</div><div>world!</div>");
+    Object texts = page.evalOnSelectorAll("css=div", "divs => divs.map(div => div.textContent)");
+    assertEquals(Arrays.asList("hello", "beautiful", "world!"), texts);
+  }
+}