Implementing LectureMapperTest - in progress

application/module-language-school/src/test/java/org/fuseri/modulelanguageschool/lecture/LectureMapperTest.java

+package org.fuseri.modulelanguageschool.lecture;
+
+import org.fuseri.model.dto.course.LanguageTypeDto;
+import org.fuseri.model.dto.course.ProficiencyLevelDto;
+import org.fuseri.model.dto.lecture.LectureCreateDto;
+import org.fuseri.model.dto.lecture.LectureDto;
+import org.fuseri.modulelanguageschool.course.Course;
+import org.fuseri.modulelanguageschool.course.Language;
+import org.fuseri.modulelanguageschool.course.ProficiencyLevel;
+import org.fuseri.modulelanguageschool.lecture.Lecture;
+import org.fuseri.modulelanguageschool.lecture.LectureMapper;
+import org.fuseri.modulelanguageschool.user.Address;
+import org.fuseri.modulelanguageschool.user.User;
+import org.fuseri.modulelanguageschool.user.UserType;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageImpl;
+import org.springframework.data.domain.PageRequest;
+
+import java.time.LocalDateTime;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+
+@SpringBootTest
+final class LectureMapperTest {
+
+    private final LectureCreateDto lectureCreateDto = new LectureCreateDto(
+            LocalDateTime.now().plusDays(2),
+            LocalDateTime.now().plusDays(2).plusHours(2),
+            "Learning how to spell deprecated",
+            10, 0L);
+    private final LectureDto lectureDto = new LectureDto(
+            LocalDateTime.now().plusDays(2),
+            LocalDateTime.now().plusDays(2).plusHours(2),
+            "Learning how to spell deprecated",
+            10, 0L, 0L);
+    private final Course course = new Course("AJ1", 10,
+            Language.ENGLISH, ProficiencyLevel.A1, null);
+    private final User student = new User("novakovat", UserType.STUDENT,
+            "novakova@gmail.com", "password", "Tereza",
+            "Nováková", new Address(), List.of(), List.of());
+    private final User lecturer = new User("dolezelt", UserType.LECTURER,
+            "dolezel@gmail.com", "password", "Tomáš",
+            "Doležel", new Address(), List.of(), List.of());
+    private final Lecture lecture = new Lecture(
+            LocalDateTime.now().plusDays(2),
+            LocalDateTime.now().plusDays(2).plusHours(2),
+            "Learning how to spell deprecated",
+            10,
+            course, lecturer, new HashSet<>(List.of(student)));
+
+    @Autowired
+    private org.fuseri.modulelanguageschool.lecture.LectureMapper LectureMapper;
+
+    @BeforeEach
+    void setUp()
+    {
+        lecture.setId(1L);
+        lectureDto.setId(1L);
+    }
+
+    @Test
+    void mapNullToDto() {
+        var createdDto = LectureMapper.mapToDto(null);
+
+        Assertions.assertNull(createdDto);
+    }
+
+    @Test
+    void mapToDto() {
+        var createdDto = LectureMapper.mapToDto(lecture);
+
+        Assertions.assertEquals(lectureDto, createdDto);
+    }
+
+    @Test
+    void mapNullToLectureDto() {
+        var createdLecture = LectureMapper.mapToLecture((LectureDto) null);
+
+        Assertions.assertNull(createdLecture);
+    }
+
+    @Test
+    void mapToLectureDto() {
+        var createdLecture = LectureMapper.mapToLecture(lectureDto);
+
+        Assertions.assertEquals(lecture, createdLecture);
+    }
+
+    @Test
+    void mapNullToList() {
+        var lectureDtos = LectureMapper.mapToList(null);
+
+        Assertions.assertNull(lectureDtos);
+    }
+
+    @Test
+    void mapToEmptyList() {
+        var lectureDtos = LectureMapper.mapToList(Collections.emptyList());
+
+        Assertions.assertEquals(lectureDtos.size(), 0);
+    }
+
+    @Test
+    void mapToList() {
+        var lectureDtos = LectureMapper.mapToList(Collections.singletonList(lecture));
+
+        Assertions.assertEquals(1, lectureDtos.size());
+        Assertions.assertEquals(lectureDto, lectureDtos.get(0));
+    }
+
+    @Test
+    void mapNullToLectureLectureCreateDto() {
+        var createdLecture = LectureMapper.mapToLecture((LectureCreateDto) null);
+
+        Assertions.assertNull(createdLecture);
+    }
+
+    @Test
+    void mapToLectureLectureCreateDto() {
+        var createdLecture = LectureMapper.mapToLecture(lectureCreateDto);
+
+        Assertions.assertEquals(lecture, createdLecture);
+    }
+
+}
+