Merge pull request #9 from eugenp/master

update with origin

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

@@ -0,0 +1,58 @@
+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.handling.Handler;
+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 {
+        Handler allHandler = ctx -> {
+            Long id = Long.valueOf(ctx.getPathTokens()
+                .get("id"));
+            Employee employee = new Employee(id, "Mr", "NY");
+            ctx.next(Registry.single(Employee.class, employee));
+        };
+        Handler empNameHandler = ctx -> {
+            Employee employee = ctx.get(Employee.class);
+            ctx.getResponse()
+                .send("Name of employee with ID " + employee.getId() + " is " + employee.getName());
+        };
+        Handler empTitleHandler = ctx -> {
+            Employee employee = ctx.get(Employee.class);
+            ctx.getResponse()
+                .send("Title of employee with ID " + employee.getId() + " is " + employee.getTitle());
+        };
+
+        Action<Chain> chainAction = chain -> chain.prefix("employee/:id", empChain -> {
+            empChain.all(allHandler)
+                .get("name", empNameHandler)
+                .get("title", empTitleHandler);
+        });
+        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);
+    }
+}