Build optimization 26.09.2017 (#2676)

* Optimize spring-rest

* Refactor RxJava

* Refactor RxJava

spring-rest/src/test/java/com/baeldung/controllers/ExamplePostControllerRequestIntegrationTest.java

@@ -0,0 +1,56 @@
+package com.baeldung.controllers;
+
+import com.baeldung.services.ExampleService;
+import com.baeldung.transfer.LoginForm;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.baeldung.config.MainApplication;
+
+import static org.mockito.Mockito.when;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = MainApplication.class)
+public class ExamplePostControllerRequestIntegrationTest {
+
+    MockMvc mockMvc;
+    @Mock private ExampleService exampleService;
+    @InjectMocks private ExamplePostController exampleController;
+    private final String jsonBody = "{\"username\": \"username\", \"password\": \"password\"}";
+    private LoginForm lf = new LoginForm();
+
+    @Before
+    public void preTest() {
+        MockitoAnnotations.initMocks(this);
+        mockMvc = MockMvcBuilders
+          .standaloneSetup(exampleController)
+          .build();
+        lf.setPassword("password");
+        lf.setUsername("username");
+    }
+
+    @Test
+    public void requestBodyTest() {
+        try {
+            when(exampleService.fakeAuthenticate(lf)).thenReturn(true);
+            mockMvc
+              .perform(post("/post/request")
+                .content(jsonBody)
+                .contentType("application/json"))
+              .andDo(print())
+              .andExpect(status().isOk());
+        } catch (Exception e) {
+            System.out.println("Exception: " + e);
+        }
+    }
+}