TD-34: Solved comments made by reviewer

src/test/java/de/towerdefence/server/server/GetAllPlayersPaginatedAndSortedTest.java

@@ -0,0 +1,83 @@
+package de.towerdefence.server.server;
+
+import de.towerdefence.server.IntegrationTest;
+import org.junit.jupiter.api.Test;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder;
+
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+
+class GetAllPlayersPaginatedAndSortedTest extends IntegrationTest {
+
+    private MockHttpServletRequestBuilder createGetAllPlayersRequest(String requestBody) {
+        return MockMvcRequestBuilders.get(baseUri + "/admin/players")
+                .contentType(MediaType.APPLICATION_JSON)
+                .content(requestBody);
+    }
+
+    @Test
+    void playersExist() throws Exception {
+        String requestBody = "{" +
+                "\"page\": 0," +
+                "\"pageSize\": 10," +
+                "\"sortBy\": \"username\"," +
+                "\"order\": \"descending\"," +
+                "\"username\": \"\"" +
+                "}";
+
+        this.mvc.perform(createGetAllPlayersRequest(requestBody))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$").isArray())
+                .andExpect(jsonPath("$[0]").exists());
+    }
+
+    @Test
+    void playersSortedByAsc() throws Exception {
+        String requestBody = "{" +
+                "\"page\": 0," +
+                "\"pageSize\": 10," +
+                "\"sortBy\": \"username\"," +
+                "\"order\": \"ascending\"," +
+                "\"username\": \"\"" +
+                "}";
+
+        this.mvc.perform(createGetAllPlayersRequest(requestBody))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$[0].username").value("Alex"))
+                .andExpect(jsonPath("$[1].username").value("Zorro"));
+    }
+
+    @Test
+    void playersSortedByDesc() throws Exception {
+        String requestBody = "{" +
+                "\"page\": 0," +
+                "\"pageSize\": 10," +
+                "\"sortBy\": \"username\"," +
+                "\"order\": \"descending\"," +
+                "\"username\": \"\"" +
+                "}";
+
+        this.mvc.perform(createGetAllPlayersRequest(requestBody))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$[1].username").value("Alex"))
+                .andExpect(jsonPath("$[0].username").value("Zorro"));
+    }
+
+    @Test
+    void playersFiltered() throws Exception {
+        String requestBody = "{" +
+                "\"page\": 0," +
+                "\"pageSize\": 10," +
+                "\"username\": \"Alex\","+
+                "\"order\": \"ascending\""+
+                "}";
+
+        this.mvc.perform(createGetAllPlayersRequest(requestBody))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$").isArray())
+                .andExpect(jsonPath("$[0].username").value("Alex"))
+                .andExpect(jsonPath("$").isNotEmpty());
+    }
+}