Initial unit test

src/test/java/dev/michaellamb/demo/controller/GameStatusControllerTest.java

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+package dev.michaellamb.demo.controller;
+
+import dev.michaellamb.demo.agent.GameStatusAgent;
+import dev.michaellamb.demo.model.GameStatusResponse;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+
+import static org.mockito.ArgumentMatchers.anyString;
+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.status;
+
+@ExtendWith(MockitoExtension.class)
+class GameStatusControllerTest {
+
+    private MockMvc mockMvc;
+
+    @Mock
+    private GameStatusAgent gameStatusAgent;
+
+    @InjectMocks
+    private GameStatusController sut;
+
+    @BeforeEach
+    public void setUpBefore() {
+        mockMvc = MockMvcBuilders.standaloneSetup(sut).build();
+    }
+
+    @DisplayName("Get valheim status and return 200 response")
+    @Test
+    void testGetValheimStatus() throws Exception {
+
+        final String ANY = "ANY";
+        final GameStatusResponse gameStatusResponse = new GameStatusResponse();
+        gameStatusResponse.setUp(true);
+        when(gameStatusAgent.getValheimInstanceStatus(anyString(), anyString())).thenReturn(gameStatusResponse);
+
+        mockMvc.perform(get("/steam/valheim")
+                        .param("address", ANY)
+                        .param("key", ANY))
+                .andDo(print())
+                .andExpect(status().isOk());
+    }
+
+}

src/test/java/dev/michaellamb/demo/controller/GreetingControllerTest.java

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+package dev.michaellamb.demo.controller;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+
+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.status;
+
+@ExtendWith(MockitoExtension.class)
+class GreetingControllerTest {
+
+    private MockMvc mockMvc;
+
+
+    @InjectMocks
+    private GreetingController sut;
+
+    private static final String ANY = "ANY";
+
+    @BeforeEach
+    public void setUpBefore() {
+        mockMvc = MockMvcBuilders.standaloneSetup(sut).build();
+    }
+
+    @Test
+    void testGreeting() throws Exception {
+        mockMvc.perform(get("/greeting")
+                        .param("name", ANY))
+                .andDo(print())
+                .andExpect(status().isOk());
+    }
+
+
+    @Test
+    void testHello() throws Exception {
+        mockMvc.perform(get("/hello")
+                        .param("name", ANY))
+                .andDo(print())
+                .andExpect(status().isOk());
+    }
+}