test: add InfoControllerTest

Author: CapOfCave

build.gradle.kts

@@ -30,4 +30,7 @@ tasks {
 	withType<JavaCompile> {
 		options.encoding = "UTF-8"
 	}
+	withType<Test> {
+		useJUnitPlatform()
+	}
 }

src/test/java/net/developerden/backend/controller/InfoControllerTest.java

@@ -0,0 +1,29 @@
+package net.developerden.backend.controller;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.boot.web.server.LocalServerPort;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
+public class InfoControllerTest {
+
+    @LocalServerPort
+    private int port;
+
+    @Autowired
+    private TestRestTemplate restTemplate;
+
+    private String baseUrl = "http://localhost:" + port;
+
+    @Test
+    public void ping_happyDay_returnsPong() {
+        String response = this.restTemplate.getForObject(baseUrl + "/ping", String.class);
+        assertThat(response).isEqualTo("pong");
+    }
+}