- GET /features is now tested on controller level

- added DataService as a data provider

src/test/java/click/poweronoff/satellite/api/FeaturesControllerTest.java

@@ -1,15 +1,22 @@
 package click.poweronoff.satellite.api;
 
+import click.poweronoff.satellite.domain.Feature;
+import click.poweronoff.satellite.service.DataService;
 import org.junit.jupiter.api.Test;
 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.boot.test.mock.mockito.MockBean;
 import org.springframework.test.web.servlet.MockMvc;
 
-import static org.hamcrest.Matchers.containsString;
+import java.util.List;
+
+import static org.hamcrest.Matchers.is;
+import static org.mockito.Mockito.when;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
 @SpringBootTest
@@ -18,10 +25,22 @@ public class FeaturesControllerTest {
     @Autowired
     private MockMvc mockMvc;
 
+    @MockBean
+    DataService dataService;
+
     @Test
-    public void shouldReturnDefaultMessage() throws Exception {
-        this.mockMvc.perform(get("/features")).andDo(print()).andExpect(status().isOk())
-                .andExpect(content().string(containsString("a dummy message")));
+    public void getFeaturesShouldReturnDefaultMessage() throws Exception {
+        when(dataService.getAllFeatures()).thenReturn(List.of(new Feature("feature-id", 123L, 234L, 345L, "mission")));
+        this.mockMvc.perform(get("/features")).andDo(print())
+                .andExpect(status().isOk())
+                .andExpect(content().contentType("application/json"))
+                .andExpect(jsonPath("$[0].id").exists())
+                .andExpect(jsonPath("$[0].id", is("feature-id")))
+                .andExpect(jsonPath("$[0].timestamp", is(123)))
+                .andExpect(jsonPath("$[0].beginViewingDate", is(234)))
+                .andExpect(jsonPath("$[0].endViewingDate", is(345)))
+                .andExpect(jsonPath("$[0].missionName", is("mission"))
+                );
     }
 
 }