Added HelloResource with /api/hello endpoint

src/main/java/org/springframework/samples/petclinic/owner/HelloResource.java

@@ -0,0 +1,21 @@
+package org.springframework.samples.petclinic.owner;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api")
+public class HelloResource {
+
+	@GetMapping("/hello")
+	public String sayHello() {
+		return "Hello from Copilot!";
+	}
+
+	@GetMapping("/greet")
+	public String greetUser() {
+		return "Greetings from Copilot!";
+	}
+
+}

src/test/java/org/springframework/samples/petclinic/owner/HelloResourceIT.java

@@ -0,0 +1,28 @@
+package org.springframework.samples.petclinic.owner;
+
+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.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.web.servlet.MockMvc;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+
+@SpringBootTest
+@AutoConfigureMockMvc
+public class HelloResourceIT {
+
+	@Autowired
+	private MockMvc mockMvc;
+
+	@Test
+	public void testSayHello() throws Exception {
+		mockMvc.perform(get("/api/hello"))
+			.andExpect(status().isOk())
+			.andExpect(content().string("Hello from Copilot!"));
+	}
+}
+