Merge branch 'testgeolocation' into 'dev'

Testgeolocation

See merge request !123

src/test/java/NTNU/IDATT1002/repository/GeoLocationRepositoryTest.java

+package NTNU.IDATT1002.repository;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import NTNU.IDATT1002.models.GeoLocation;
+import java.util.List;
+import java.util.Optional;
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.Persistence;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+/**
+ * Tests for {@link GeoLocatioRepository}
+ *
+ * @author madslun
+ * @version 1.0 07.04.20
+ */
+class GeoLocationRepositoryTest {
+
+  private static final Long GEOLOCATION_INITIAL_ID = 1L;
+  private GeoLocatioRepository geoLocatioRepository;
+
+
+  /**
+   * Sets up necessary test data for testing
+   */
+  @BeforeEach
+  void setUp() {
+    EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory("ImageApplicationTest");
+    EntityManager entityManager = entityManagerFactory.createEntityManager();
+    geoLocatioRepository = new GeoLocatioRepository(entityManager);
+  }
+
+  /**
+   * Test that saves a geolocation then checks that it was saved
+   */
+  @Test
+  void testSaveReturnsInstance() {
+    Optional<GeoLocation> savedGeolocation = geoLocatioRepository.save(new GeoLocation());
+
+    assertTrue(savedGeolocation.isPresent());
+    assertEquals(GEOLOCATION_INITIAL_ID, savedGeolocation.get().getGeoLocationId());
+  }
+
+  /**
+   * Test that tries to save a geolocation with invalid input
+   */
+  @Test
+  void testSavedInvalidEntityReturnsEmptyOptional() {
+    Optional<GeoLocation> savedGeolocation = geoLocatioRepository.save(null);
+    assertTrue(savedGeolocation.isEmpty());
+  }
+
+  /**
+   * Test that saves two geolocations then checks that both are saved
+   */
+  @Test
+  void testFindAllReturnsAllSavedEntities() {
+    geoLocatioRepository.save(new GeoLocation());
+    geoLocatioRepository.save(new GeoLocation());
+
+    List<GeoLocation> foundGeolocations = geoLocatioRepository.findAll();
+    assertEquals(2, foundGeolocations.size());
+  }
+
+  /**
+   * Test that saves a new geolocation then find the geolocation by id
+   * When geolocation is created it uses the first number as id, we therefore search for the geolocation with this number
+   * We then check that the geolocation we got is the correct one
+   */
+  @Test
+  void testFindByIdReturnsOptionalWithCorrectId() {
+    geoLocatioRepository.save(new GeoLocation());
+    Optional<GeoLocation> foundGeolocation = geoLocatioRepository.findById(GEOLOCATION_INITIAL_ID);
+
+    assertTrue(foundGeolocation.isPresent());
+    assertEquals(GEOLOCATION_INITIAL_ID, foundGeolocation.get().getGeoLocationId());
+  }
+
+  /**
+   * Test that deletes geolocation by id then checks that the geolocation was deleted
+   */
+  @Test
+  void testDeleteByIdRemovesEntity() {
+    geoLocatioRepository.save(new GeoLocation());
+    Optional<GeoLocation> foundGeolocation = geoLocatioRepository.findById(GEOLOCATION_INITIAL_ID);
+
+    foundGeolocation.ifPresent(geoLocation -> geoLocatioRepository.deleteById(GEOLOCATION_INITIAL_ID));
+    Optional<GeoLocation> deletedGeolocation = geoLocatioRepository.findById(GEOLOCATION_INITIAL_ID);
+
+    assertTrue(deletedGeolocation.isEmpty());
+  }
+
+  /**
+   * Test that deletes a geolocation then checks that the geolocation was deleted
+   * When geolocation is created it uses the first number as id, we therefor try to delete a geolocation with this number
+   * We afterwards try to list all the geolocations and checks that there is no one left
+   */
+  @Test
+  void testDeleteEntityRemovesEntity() {
+    GeoLocation testGeolocation = new GeoLocation();
+    geoLocatioRepository.save(testGeolocation);
+    Optional<GeoLocation> foundGeolocation = geoLocatioRepository.findById(GEOLOCATION_INITIAL_ID);
+
+    foundGeolocation.ifPresent(geoLocation -> geoLocatioRepository.delete(testGeolocation));
+    List<GeoLocation> foudGeolocations = geoLocatioRepository.findAll();
+    assertEquals(0, foudGeolocations.size());
+  }
+
+}
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