public void Delete_AllCredentialsAreValid_DeletesTheComment()
{
// Arrange
Comment comment = new Comment { CommentId = 1, UserId = 2, Date = DateTime.Now };
// Arrange - mock commentRepository
Mock<ICommentRepository> commentRepositoryMock = new Mock<ICommentRepository>();
commentRepositoryMock.Setup(r => r.GetById(comment.CommentId))
.Returns(comment);
Comment deletedComment = null;
commentRepositoryMock.Setup(r => r.Update(It.IsAny<Comment>()))
.Callback((Comment c) => deletedComment = c);
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(u => u.CommentRepository)
.Returns(commentRepositoryMock.Object);
// Arrange - create target
ICommentService target = new CommentService(unitOfWorkMock.Object, this._commentValidationMock.Object,
this._serviceSettings);
// Act
target.Delete(comment.CommentId, comment.UserId);
// Assert
Assert.IsNotNull(deletedComment);
Assert.IsTrue(deletedComment.IsDeleted);
commentRepositoryMock.Verify(r => r.GetById(comment.CommentId), Times.Once);
commentRepositoryMock.Verify(
r => r.Update(It.Is<Comment>(c => c.CommentId == comment.CommentId && c.UserId == comment.UserId)), Times.Once);
unitOfWorkMock.Verify(r => r.Save(), Times.Once);
}
public void Delete_UserIsNotAuthorOfTheComment_ThrowsDeletingCommentIsForbiddenException()
{
// Arrange
int userId = 1;
Comment comment = new Comment { CommentId = 2, UserId = userId + 1, Date = DateTime.Now };
// Arrange - mock commentRepository
Mock<ICommentRepository> commentRepositoryMock = new Mock<ICommentRepository>();
commentRepositoryMock.Setup(r => r.GetById(comment.CommentId))
.Returns(comment);
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(u => u.CommentRepository)
.Returns(commentRepositoryMock.Object);
// Arrange - create target
ICommentService target = new CommentService(unitOfWorkMock.Object, this._commentValidationMock.Object,
this._serviceSettings);
// Act and Assert
Assert.Throws<DeletingCommentIsForbiddenException>(() => target.Delete(comment.CommentId, userId));
commentRepositoryMock.Verify(r => r.GetById(comment.CommentId), Times.Once);
commentRepositoryMock.Verify(r => r.Update(It.Is<Comment>(c => c.CommentId == comment.CommentId)), Times.Never);
unitOfWorkMock.Verify(r => r.Save(), Times.Never);
}
public void Delete_PermittedPeriodForDeletingExpired_ThrowsPermittedPeriodForDeletingExpiredException()
{
// Arrange
Comment comment = new Comment
{
CommentId = 1, UserId = 2,
Date = DateTime.Now.AddSeconds(-(this._serviceSettings.PermittedPeriodForDeleting + 1))
};
// Arrange - mock commentRepository
Mock<ICommentRepository> commentRepositoryMock = new Mock<ICommentRepository>();
commentRepositoryMock.Setup(r => r.GetById(comment.CommentId))
.Returns(comment);
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(u => u.CommentRepository)
.Returns(commentRepositoryMock.Object);
// Arrange - create target
ICommentService target = new CommentService(unitOfWorkMock.Object, this._commentValidationMock.Object,
this._serviceSettings);
// Act and Assert
Assert.Throws<PermittedPeriodForDeletingExpiredException>(() => target.Delete(comment.CommentId, comment.UserId));
commentRepositoryMock.Verify(r => r.GetById(comment.CommentId), Times.Once);
commentRepositoryMock.Verify(r => r.Update(It.Is<Comment>(c => c.CommentId == comment.CommentId)), Times.Never);
unitOfWorkMock.Verify(r => r.Save(), Times.Never);
}
public void Delete_UserIdIsLessOrEqualToZero_ThrowsArgumentOutOfRangeException()
{
// Arrange
int commentId = 1;
ICommentService target = new CommentService(new Mock<IUnitOfWork>().Object, this._commentValidationMock.Object,
this._serviceSettings);
// Act and Assert
Assert.Throws<ArgumentOutOfRangeException>(() => target.Delete(commentId, -1));
Assert.Throws<ArgumentOutOfRangeException>(() => target.Delete(commentId, 0));
}
public void Delete_NonexistentCommentId_ThrowsCommentNotFoundException()
{
// Arrange
int commentId = 1;
int userId = 1;
// Arrange - mock commentRepository
Mock<ICommentRepository> commentRepositoryMock = new Mock<ICommentRepository>();
commentRepositoryMock.Setup(r => r.GetById(commentId))
.Returns((Comment)null);
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(u => u.CommentRepository)
.Returns(commentRepositoryMock.Object);
// Arrange - create target
ICommentService target = new CommentService(unitOfWorkMock.Object, this._commentValidationMock.Object,
this._serviceSettings);
// Act and Assert
Assert.Throws<CommentNotFoundException>(() => target.Delete(commentId, userId));
commentRepositoryMock.Verify(r => r.GetById(commentId), Times.Once);
commentRepositoryMock.Verify(r => r.Update(It.Is<Comment>(c => c.CommentId == commentId)), Times.Never);
unitOfWorkMock.Verify(r => r.Save(), Times.Never);
}