added steward controller tests

airports-hr-service/src/test/java/cz/muni/fi/pa165/hr/rest/StewardControllerTest.java

 package cz.muni.fi.pa165.hr.rest;
 
+import cz.muni.fi.pa165.api.employee.Steward;
+import cz.muni.fi.pa165.api.employee.requests.StewardRequest;
+import cz.muni.fi.pa165.hr.excdption.EmployeeNotFoundException;
+import cz.muni.fi.pa165.hr.facade.EmployeeFacade;
+import cz.muni.fi.pa165.hr.util.ObjectConverter;
+import cz.muni.fi.pa165.hr.util.TestApiFactory;
 import org.junit.jupiter.api.Test;
+import org.mockito.Mockito;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
 
-import static org.junit.jupiter.api.Assertions.*;
+import java.nio.charset.StandardCharsets;
+import java.util.UUID;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.when;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.put;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@WebMvcTest(controllers = {StewardController.class})
 class StewardControllerTest {
 
-    @Test
-    void createSteward() {
-    }
+    @Autowired
+    private MockMvc mockMvc;
+
+    @MockBean
+    private EmployeeFacade employeeFacade;
 
     @Test
-    void update() {
+    void updateSteward_stewardFound_returnsSteward() throws Exception {
+        UUID id = new UUID(0x1, 0xf);
+        Steward updatedSteward = TestApiFactory.getStewardEntity();
+        when(employeeFacade.updateSteward(Mockito.eq(id), Mockito.any(StewardRequest.class))).thenReturn(updatedSteward);
+
+        String requestJson = "{\"id\":\"" + id + "\",\"name\":\"UpdatedName\",\"surname\":\"UpdatedSurname\",\"gender\":false,\"dateOfBirth\":\"1990-01-01\",\"hired\":\"2015-01-01\",\"terminated\":\"2022-01-01\",\"languages\":[\"english\"]}";
+        String responseJson = mockMvc.perform(put("/employee/steward/{id}", id)
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(requestJson))
+                .andExpect(status().isOk())
+                .andReturn()
+                .getResponse()
+                .getContentAsString(StandardCharsets.UTF_8);
+        Steward response = ObjectConverter.convertJsonToObject(responseJson, Steward.class);
+
+        assertThat(response).isEqualTo(updatedSteward);
+        Mockito.verify(employeeFacade, Mockito.times(1)).updateSteward(Mockito.eq(id), Mockito.any(StewardRequest.class));
     }
 
     @Test
-    void getAvailable() {
+    void updateSteward_stewardNotFound_throws404() throws Exception {
+        UUID id = UUID.randomUUID();
+        when(employeeFacade.updateSteward(Mockito.eq(id), Mockito.any(StewardRequest.class))).thenThrow(new EmployeeNotFoundException());
+
+        String requestJson = "{\"id\":\"" + id + "\",\"name\":\"UpdatedName\",\"surname\":\"UpdatedSurname\",\"gender\":false,\"dateOfBirth\":\"1990-01-01\",\"hired\":\"2015-01-01\",\"terminated\":\"2022-01-01\",\"languages\":[\"english\"]}";
+        mockMvc.perform(put("/employee/steward/{id}", id)
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(requestJson))
+                .andExpect(status().isNotFound());
+
+        Mockito.verify(employeeFacade, Mockito.times(1)).updateSteward((Mockito.eq(id)), Mockito.any(StewardRequest.class));
     }
 }
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