Ratpack HTTP Client

ratpack/src/test/java/com/baeldung/AppHttpUnitTest.java

@@ -0,0 +1,51 @@
+package com.baeldung;
+
+import com.baeldung.model.Employee;
+import org.junit.Test;
+import ratpack.exec.Promise;
+import ratpack.func.Action;
+import ratpack.handling.Chain;
+import ratpack.registry.Registry;
+import ratpack.test.embed.EmbeddedApp;
+import ratpack.test.exec.ExecHarness;
+
+import static org.junit.Assert.assertEquals;
+
+public class AppHttpUnitTest {
+
+    @Test
+    public void givenAnyUri_GetEmployeeFromSameRegistry() throws Exception {
+        final Action<Chain> chainAction = chain -> chain.prefix("employee/:id", empChain -> empChain.all(ctx -> {
+            Long id = Long.valueOf(ctx.getPathTokens()
+                    .get("id"));
+            Employee employee = new Employee(id, "Mr", "NY");
+            ctx.next(Registry.single(Employee.class, employee));
+        })
+                .get("name", ctx -> {
+                    Employee employee = ctx.get(Employee.class);
+                    ctx.getResponse()
+                            .send("Name of employee with ID " + employee.getId() + " is " + employee.getName());
+                })
+                .get("title", ctx -> {
+                    Employee employee = ctx.get(Employee.class);
+                    ctx.getResponse()
+                            .send("Title of employee with ID " + employee.getId() + " is " + employee.getTitle());
+                }));
+        EmbeddedApp.fromHandlers(chainAction)
+                .test(testHttpClient -> {
+                    assertEquals("Name of employee with ID 1 is NY", testHttpClient.get("employee/1/name")
+                            .getBody()
+                            .getText());
+                    assertEquals("Title of employee with ID 1 is Mr", testHttpClient.get("employee/1/title")
+                            .getBody()
+                            .getText());
+                });
+    }
+
+    @Test
+    public void givenSyncDataSource_GetDataFromPromise() throws Exception {
+        String value = ExecHarness.yieldSingle(execution -> Promise.sync(() -> "Foo"))
+                .getValueOrThrow();
+        assertEquals("Foo", value);
+    }
+}