Simple routes for basic operations

src/main/java/com/github/piotryuxuan/springbootplayground/api/ApiController.java

@@ -0,0 +1,25 @@
+package com.github.piotryuxuan.springbootplayground.api;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api/v1")
+public class ApiController {
+
+	@GetMapping("answer")
+	public ResponseEntity<int[]> getAnswer() {
+		int[] array = { 42 };
+		return new ResponseEntity<>(array, HttpStatus.OK);
+	}
+
+	@GetMapping("addition")
+	public ResponseEntity<Long> getAddition(@RequestParam Long a, @RequestParam Long b) {
+		return new ResponseEntity<>(a + b, HttpStatus.OK);
+	}
+
+}

src/test/java/com/github/piotryuxuan/springbootplayground/SpringBootPlaygroundApplicationTests.java → src/test/java/com/github/piotryuxuan/springbootplayground/SpringBootPlaygroundApplicationTest.java

@@ -4,7 +4,7 @@
 import org.springframework.boot.test.context.SpringBootTest;
 
 @SpringBootTest
-class SpringBootPlaygroundApplicationTests {
+class SpringBootPlaygroundApplicationTest {
 
 	@Test
 	void contextLoads() {

src/test/java/com/github/piotryuxuan/springbootplayground/api/ApiControllerTest.java

@@ -0,0 +1,39 @@
+package com.github.piotryuxuan.springbootplayground.api;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+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.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+
+@SpringBootTest
+@AutoConfigureMockMvc
+class ApiControllerTest {
+
+	@Autowired
+	private MockMvc mockMvc;
+
+	@Test
+	public void testGetAnswer() throws Exception {
+		mockMvc.perform(get("/api/v1/answer")
+				.contentType(MediaType.APPLICATION_JSON))
+				.andExpect(status().isOk())
+				.andExpect(content().json("[42]"));
+	}
+
+	@Test
+	public void testGetAddition() throws Exception {
+		mockMvc.perform(get("/api/v1/addition")
+				.contentType(MediaType.APPLICATION_JSON)
+				.param("a", "3")
+				.param("b", "3"))
+				.andExpect(status().isOk())
+				.andExpect(content().json("6"));
+	}
+
+}