implemented unit test for wishlistController

src/test/java/hdm/mi/growbros/controllers/WishListControllerTest.java

+package hdm.mi.growbros.controllers;
+
+import hdm.mi.growbros.config.SpringSecurityTestConfig;
+import hdm.mi.growbros.models.plant.Plant;
+import hdm.mi.growbros.service.WishListService;
+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.boot.test.mock.mockito.MockBean;
+import org.springframework.http.MediaType;
+import org.springframework.security.test.context.support.WithMockUser;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.web.servlet.MockMvc;
+
+import java.util.List;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyLong;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
+
+@SpringBootTest(classes = SpringSecurityTestConfig.class)
+@AutoConfigureMockMvc
+@ActiveProfiles("test")
+public class WishListControllerTest {
+
+        @Autowired
+        private MockMvc mvc;
+
+        @MockBean
+        private WishListService wishlistService;
+
+        @Test
+        @WithMockUser
+        void wishlistEntries_shouldBeOkJson_containList() throws Exception {
+            when(wishlistService.getWishedPlants(any(), any())).thenReturn(List.of(Plant.builder().name("Plant").build()));
+
+            mvc.perform(get("/api/v1/wishlist").contentType(MediaType.APPLICATION_JSON))
+                    .andExpect(status().isOk())
+                    .andExpect(content().contentType(MediaType.APPLICATION_JSON))
+                    .andExpect(jsonPath("$.size()").value(1))
+                    .andDo(print());
+
+            verify(wishlistService).getWishedPlants(any(), any());
+        }
+
+        @Test
+        @WithMockUser
+        void creatingEntry_shouldBe201_andContainPlant() throws Exception {
+
+            mvc.perform(post("/api/v1/wishlist/add/0").contentType(MediaType.APPLICATION_JSON))
+                    .andExpect(status().isCreated())
+                    .andDo(print());
+
+            verify(wishlistService).addPlantToWishList(anyLong(), any());
+        }
+
+        @Test
+        @WithMockUser
+        void deletingEntry_shouldBe204() throws Exception {
+            mvc.perform(delete("/api/v1/wishlist/remove/1").contentType(MediaType.APPLICATION_JSON))
+                    .andExpect(status().isNoContent())
+                    .andDo(print());
+        }
+}
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