public void CorrectlyAddLikeToImage_WhenPassedParamsAreValid()
{
// Arrange
var contextMock = new Mock <ITravelGuideContext>();
var imageFactoryMock = new Mock <IGalleryImageFactory>();
var commentFactoryMock = new Mock <IGalleryCommentFactory>();
var likeFactoryMock = new Mock <IGalleryLikeFactory>();
var image = new GalleryImage();
var like = new GalleryLike();
var user = new User();
like.UserId = Guid.NewGuid();
user.Id = Guid.NewGuid().ToString();
contextMock.Setup(x => x.Users.Find(It.IsAny <string>())).Returns(user);
likeFactoryMock.Setup(x => x.CreateGalleryLike(It.IsAny <Guid>(), It.IsAny <Guid>())).Returns(like);
contextMock.Setup(x => x.GalleryImages.Find(It.IsAny <Guid>())).Returns(image);
var id = "some id";
var imageId = Guid.NewGuid();
var service = new GalleryImageService(contextMock.Object, imageFactoryMock.Object, likeFactoryMock.Object, commentFactoryMock.Object);
// Act
service.ToggleLike(id, imageId);
// Assert
Assert.AreSame(like, image.Likes.First());
}
public void CorrectlyRemoveLikeFromImage_WhenPassedParamsAreValid()
{
// Arrange
var contextMock = new Mock <ITravelGuideContext>();
var imageFactoryMock = new Mock <IGalleryImageFactory>();
var commentFactoryMock = new Mock <IGalleryCommentFactory>();
var likeFactoryMock = new Mock <IGalleryLikeFactory>();
var image = new GalleryImage();
var like = new GalleryLike();
var user = new User();
image.Likes.Add(like);
var initialCount = image.Likes.Count();
var id = "id";
var imageId = Guid.NewGuid();
like.UserId = Guid.Parse(user.Id);
contextMock.Setup(x => x.Users.Find(It.IsAny <string>())).Returns(user);
likeFactoryMock.Setup(x => x.CreateGalleryLike(It.IsAny <Guid>(), It.IsAny <Guid>())).Returns(like);
contextMock.Setup(x => x.GalleryImages.Find(It.IsAny <Guid>())).Returns(image);
contextMock.Setup(x => x.GalleryLikes.Remove(like));
var service = new GalleryImageService(contextMock.Object, imageFactoryMock.Object, likeFactoryMock.Object, commentFactoryMock.Object);
// Act
service.ToggleLike(id, imageId);
// Assert
contextMock.Verify(x => x.GalleryLikes.Remove(like), Times.Once);
}
public void ThrowArgumentNullException_WhenPassedIdIsNull(string id)
{
// Arrange
var contextMock = new Mock <ITravelGuideContext>();
var imageFactoryMock = new Mock <IGalleryImageFactory>();
var commentFactoryMock = new Mock <IGalleryCommentFactory>();
var likeFactoryMock = new Mock <IGalleryLikeFactory>();
var imageId = Guid.NewGuid();
var service = new GalleryImageService(contextMock.Object, imageFactoryMock.Object, likeFactoryMock.Object, commentFactoryMock.Object);
// Act & Assert
Assert.Throws <ArgumentNullException>(() => service.ToggleLike(id, imageId));
}
