Users - add tests for mapper

src/test/java/com/movieapp/movieapp/TestDataUtil.java

@@ -7,6 +7,7 @@
 import com.movieapp.movieapp.movie.Movie;
 import com.movieapp.movieapp.movie.MovieDto;
 import com.movieapp.movieapp.user.User;
+import com.movieapp.movieapp.user.UserDto;
 
 public final class TestDataUtil {
 
@@ -27,6 +28,18 @@ public static User createTestUserEntityA() {
             .build();
     }
 
+    public static UserDto createTestUserDtoA() {
+        final LocalDateTime dateCreated = LocalDateTime.parse("2024-10-11T18:34:14.406");
+
+        return UserDto.builder()
+            .id(TEST_USER_ID)
+            .name("Armin")
+            .email("[email protected]")
+            .created(dateCreated)
+            .lastUpdated(dateCreated)
+            .build();
+    }
+
     public static Movie createTestMovieEntityA() {
         final LocalDateTime dateCreated = LocalDateTime.parse("2020-01-07T11:21:12.103");
 

src/test/java/com/movieapp/movieapp/user/UserMapperTest.java

@@ -1,16 +1,52 @@
 package com.movieapp.movieapp.user;
 
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.modelmapper.ModelMapper;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import com.movieapp.movieapp.TestDataUtil;
+import com.movieapp.movieapp.mappers.Mapper;
+
 
-//TODO:
 class UserMapperTest {
 
+    private Mapper<User, UserDto> userMapper;
+
+    @BeforeEach
+    public void setUp() {
+        this.userMapper = new UserMapper(new ModelMapper());
+    }
+
+    @Test
+    public void testMapTo() {
+        User userB = TestDataUtil.createTestUserEntityA();
+        UserDto userDtoB = TestDataUtil.createTestUserDtoA();
+        UserDto result = this.userMapper.mapTo(userB);
+
+        assertEquals(userDtoB, result);
+    }
+
+    @Test
+    public void testMapFrom() {
+        UserDto userDtoA = TestDataUtil.createTestUserDtoA();
+        User userA = TestDataUtil.createTestUserEntityA();
+        User result = this.userMapper.mapFrom(userDtoA);
+
+        assertEquals(userA, result);
+    }
+
     @Test
-    void testMapTo() {
+    public void testMapToThrowsWhenPassedNull() {
+        NullPointerException exp = assertThrows(NullPointerException.class, () -> this.userMapper.mapTo(null));
+        assertEquals("user is null", exp.getMessage());
     }
 
     @Test
-    void testMapFrom() {
+    public void testMapFromThrowsWhenPassedNull() {
+        NullPointerException exp = assertThrows(NullPointerException.class, () -> this.userMapper.mapFrom(null));
+        assertEquals("userDto is null", exp.getMessage());
     }
 
 }