add integration test of registration api

Author: jamesjieye

src/test/java/integration/RegistrationApiIntegrationTests.java

@@ -0,0 +1,90 @@
+package integration;
+
+import com.taskagile.TaskAgileApplication;
+import com.taskagile.utils.JsonUtils;
+import com.taskagile.web.payload.RegistrationPayload;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.MediaType;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.servlet.MockMvc;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.MOCK, classes = TaskAgileApplication.class)
+@ActiveProfiles("test")
+@AutoConfigureMockMvc
+public class RegistrationApiIntegrationTests {
+
+  @Autowired
+  private MockMvc mvcMock;
+
+  private RegistrationPayload payload(String username, String emailAddress) {
+    RegistrationPayload payload = new RegistrationPayload();
+    payload.setUsername(username);
+    payload.setEmailAddress(emailAddress);
+    payload.setPassword("MyPassword!");
+    payload.setFirstName("User");
+    payload.setLastName("Test");
+    return payload;
+  }
+
+  @Test
+  public void register_blankPayload_shouldFailAndReturn400() throws Exception {
+    mvcMock.perform(post("/api/registrations"))
+      .andExpect(status().is(400));
+  }
+
+  @Test
+  public void register_validPayload_shouldSucceedAndReturn201() throws Exception {
+    RegistrationPayload payload = payload("sunny", "[email protected]");
+    mvcMock.perform(
+      post("/api/registrations")
+        .contentType(MediaType.APPLICATION_JSON)
+        .content(JsonUtils.toJson(payload)))
+      .andExpect(status().is(201));
+  }
+
+  @Test
+  public void register_existedUsername_shouldFailAndReturn400() throws Exception {
+    RegistrationPayload payload = payload("exist", "[email protected]");
+    mvcMock.perform(
+      post("/api/registrations")
+        .contentType(MediaType.APPLICATION_JSON)
+        .content(JsonUtils.toJson(payload)))
+      .andExpect(status().is(201));
+    // Try to register again with the same username
+    RegistrationPayload payload2 = payload("exist", "[email protected]");
+    mvcMock.perform(
+      post("/api/registrations")
+        .contentType(MediaType.APPLICATION_JSON)
+        .content(JsonUtils.toJson(payload2)))
+      .andExpect(status().is(400))
+      .andExpect(jsonPath("$.message").value("Username already exists"));
+  }
+
+  @Test
+  public void register_existedEmailAddress_shouldFailAndReturn400() throws Exception {
+    RegistrationPayload payload = payload("test1", "[email protected]");
+    mvcMock.perform(
+      post("/api/registrations")
+        .contentType(MediaType.APPLICATION_JSON)
+        .content(JsonUtils.toJson(payload)))
+      .andExpect(status().is(201));
+    // Try to register with the same email address
+    RegistrationPayload payload2 = payload("test2", "[email protected]");
+    mvcMock.perform(
+      post("/api/registrations")
+        .contentType(MediaType.APPLICATION_JSON)
+        .content(JsonUtils.toJson(payload2)))
+      .andExpect(status().is(400))
+      .andExpect(jsonPath("$.message").value("Email address already exists"));
+  }
+}

src/test/resources/application.properties

@@ -17,6 +17,8 @@ spring.jpa.open-in-view=false
 spring.jpa.hibernate.ddl-auto=create-drop
 spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
 
+spring.freemarker.template-loader-path=classpath:/mail-templates/
+
 spring.mail.host=localhost
 spring.mail.port=1025
 spring.mail.properties.mail.smtp.auth=false

src/test/resources/mail-templates/welcome.ftl

@@ -0,0 +1,6 @@
+<h1>Welcome!</h1>
+<p>Here is your registration information:</p>
+<ul>
+  <li>Username: ${user.username}</li>
+  <li>Email Address: ${user.emailAddress}</li>
+</ul>