Added tests

template-server/src/integration-test/java/de/twomartens/templateservice/TemplateServiceRestTests.java

@@ -0,0 +1,62 @@
+package de.twomartens.templateservice;
+
+import de.twomartens.templateservice.entity.Greeting;
+import de.twomartens.templateservice.interceptors.RequestTypeInterceptor;
+import de.twomartens.templateservice.interceptors.TraceIdInterceptor;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.http.ResponseEntity;
+import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
+import org.springframework.web.client.RestTemplate;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
+
+@SpringJUnitConfig
+@SpringBootTest(webEnvironment = RANDOM_PORT)
+class TemplateServiceRestTests {
+
+  @Autowired
+  private RestTemplate restTemplate;
+
+  @LocalServerPort
+  int randomServerPort;
+
+  @Autowired
+  private RequestTypeInterceptor requestTypeInterceptor;
+
+  @Autowired
+  private TraceIdInterceptor traceIdInterceptor;
+
+  @BeforeEach
+  void setup() {
+    traceIdInterceptor.createNewTraceId();
+    requestTypeInterceptor.markAsIntegrationTest();
+  }
+
+  @Test
+  void testRestService() {
+    ResponseEntity<Greeting> result = restTemplate.getForEntity(getEndpoint(), Greeting.class);
+    assertThat(result.getStatusCode().is2xxSuccessful()).isTrue();
+    assertThat(result.getBody()).isNotNull();
+    assertThat(result.getBody().getMessage()).isEqualTo("Hello RestCheck!");
+  }
+
+  /*
+   * This method is so complicated because it uses the local-grpc-server configuration for grpc to create
+   * a correct link for the rest endpoints in the cloud
+   */
+  private String getEndpoint() {
+    String hostNameForGrpcServer = "127.0.0.1";
+    int port = randomServerPort;
+    String protocol = "http";
+
+    return String.format("%s://%s:%d/greeting?name=RestCheck",
+        protocol,
+        hostNameForGrpcServer,
+        port);
+  }
+}

template-server/src/test/java/de/twomartens/templateservice/control/GreetingControllerTests.java

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+package de.twomartens.templateservice.control;
+
+import de.twomartens.templateservice.service.GreetingService;
+import org.hamcrest.Matchers;
+import org.junit.jupiter.api.Test;
+import org.mockito.BDDMockito;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
+
+@WebMvcTest(GreetingController.class)
+class GreetingControllerTests {
+
+  @Autowired
+  private MockMvc mvc;
+
+  @MockBean
+  private GreetingService service;
+
+  @Test
+  void testGreetingRest() throws Exception {
+    BDDMockito.given(service.createGreeting("Template"))
+        .willReturn("Hello Template!");
+
+    mvc.perform(MockMvcRequestBuilders.get("/greeting")
+        .param("name", "Template")
+        .contentType(MediaType.APPLICATION_JSON))
+        .andExpect(MockMvcResultMatchers.status().isOk())
+        .andExpect(MockMvcResultMatchers.jsonPath("$", Matchers.aMapWithSize(1)))
+        .andExpect(MockMvcResultMatchers.jsonPath("$.message", Matchers.is("Hello Template!")))
+        .andReturn();
+  }
+}

template-server/src/test/java/de/twomartens/templateservice/service/GreetingServiceTest.java

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+package de.twomartens.templateservice.service;
+
+import de.twomartens.templateservice.configs.TemplateServiceProperties;
+import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
+import org.assertj.core.api.Assertions;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import static org.mockito.BDDMockito.given;
+
+@ExtendWith(MockitoExtension.class)
+class GreetingServiceTest {
+
+  private GreetingService service;
+
+  @Mock
+  private TemplateServiceProperties properties;
+
+  @Mock
+  private TemplateServiceProperties.Template template;
+
+  @BeforeEach
+  void beforeEach() {
+    given(template.getGreeting()).willReturn("Hello %s");
+    given(properties.getTemplate()).willReturn(template);
+    service = new GreetingService(new SimpleMeterRegistry(), properties);
+  }
+
+  @Test
+  void createGreeting() {
+    String result = service.createGreeting("Test");
+    Assertions.assertThat(result).isEqualTo("Hello Test");
+  }
+}