public void Edit_UserIsNotAuthorOfTheComment_ThrowsEditingCommentIsForbiddenException()
{
// Arrange
int userId = 1;
string newCommentText = "new_comment's_text";
Comment comment = new Comment { CommentId = 2, UserId = userId + 1 };
Expression<Func<Comment, object>>[] propertiesToInclude = { c => c.CommentEdit };
// Arrange - mock commentRepository
Mock<ICommentRepository> commentRepositoryMock = new Mock<ICommentRepository>();
commentRepositoryMock.Setup(
r =>
r.GetById(comment.CommentId,
It.Is<Expression<Func<Comment, object>>[]>(
selector => ExpressionHelper.AreExpressionArraysEqual(selector, propertiesToInclude))))
.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<EditingCommentIsForbiddenException>(() => target.Edit(comment.CommentId, userId, newCommentText));
commentRepositoryMock.Verify(
r =>
r.GetById(comment.CommentId,
It.Is<Expression<Func<Comment, object>>[]>(
selector => ExpressionHelper.AreExpressionArraysEqual(selector, propertiesToInclude))), 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 Edit_UserIdIsLessOrEqualToZero_ThrowsArgumentOutOfRangeException()
{
// Arrange
int commentId = 1;
string newCommentText = "new_comment's_text";
ICommentService target = new CommentService(new Mock<IUnitOfWork>().Object, this._commentValidationMock.Object,
this._serviceSettings);
// Act and Assert
Assert.Throws<ArgumentOutOfRangeException>(() => target.Edit(commentId, -1, newCommentText));
Assert.Throws<ArgumentOutOfRangeException>(() => target.Edit(commentId, 0, newCommentText));
}
public void Edit_NewCommentTextIsNull_ThrowsArgumentNullException()
{
// Arrange
int commentId = 1;
int userId = 2;
ICommentService target = new CommentService(new Mock<IUnitOfWork>().Object, this._commentValidationMock.Object,
this._serviceSettings);
// Act and Assert
Assert.Throws<ArgumentNullException>(() => target.Edit(commentId, userId, null));
}
public void Edit_PermittedPeriodForEditingExpired_ThrowsPermittedPeriodForEditingExpiredException()
{
// Arrange
string newCommentText = "new_comment's_text";
Comment comment = new Comment
{
CommentId = 1, UserId = 2,
Date = DateTime.Now.AddSeconds(-(this._serviceSettings.PermittedPeriodForEditing + 1))
};
Expression<Func<Comment, object>>[] propertiesToInclude = { c => c.CommentEdit };
// Arrange - mock commentRepository
Mock<ICommentRepository> commentRepositoryMock = new Mock<ICommentRepository>();
commentRepositoryMock.Setup(
r =>
r.GetById(comment.CommentId,
It.Is<Expression<Func<Comment, object>>[]>(
selector => ExpressionHelper.AreExpressionArraysEqual(selector, propertiesToInclude))))
.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<PermittedPeriodForEditingExpiredException>(
() => target.Edit(comment.CommentId, comment.UserId, newCommentText));
commentRepositoryMock.Verify(
r =>
r.GetById(comment.CommentId,
It.Is<Expression<Func<Comment, object>>[]>(
selector => ExpressionHelper.AreExpressionArraysEqual(selector, propertiesToInclude))), 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 Edit_CommentHasNotBeenEditedYet_EditsTheComment()
{
// Arrange
string newCommentText = "new_comment_text";
string newValidatedCommentText = "new_validated_comment_text";
Comment comment = new Comment { CommentId = 1, UserId = 2, Date = DateTime.Now };
Expression<Func<Comment, object>>[] propertiesToInclude = { c => c.CommentEdit };
// Arrange - mock commentRepository
Mock<ICommentRepository> commentRepositoryMock = new Mock<ICommentRepository>();
commentRepositoryMock.Setup(
r =>
r.GetById(comment.CommentId,
It.Is<Expression<Func<Comment, object>>[]>(
selector => ExpressionHelper.AreExpressionArraysEqual(selector, propertiesToInclude))))
.Returns(comment);
CommentEdit commentEdit = null;
commentRepositoryMock.Setup(r => r.Update(It.IsAny<Comment>()))
.Callback((Comment c) => commentEdit = c.CommentEdit);
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(u => u.CommentRepository)
.Returns(commentRepositoryMock.Object);
// Arrange - mock commentValidation
this._commentValidationMock.Setup(v => v.ValidateCommentText(newCommentText))
.Returns(newValidatedCommentText);
// Arrange - create target
ICommentService target = new CommentService(unitOfWorkMock.Object, this._commentValidationMock.Object,
this._serviceSettings);
// Act
target.Edit(comment.CommentId, comment.UserId, newCommentText);
// Assert
Assert.IsNotNull(commentEdit);
Assert.IsTrue(new DateTime() != commentEdit.EditDate);
commentRepositoryMock.Verify(
r =>
r.GetById(comment.CommentId,
It.Is<Expression<Func<Comment, object>>[]>(
selector => ExpressionHelper.AreExpressionArraysEqual(selector, propertiesToInclude))), Times.Once);
commentRepositoryMock.Verify(
r => r.Update(It.Is<Comment>(c => c.CommentId == comment.CommentId && c.Text == newValidatedCommentText)),
Times.Once);
unitOfWorkMock.Verify(r => r.Save(), Times.Once);
this._commentValidationMock.Verify(v => v.ValidateCommentText(newCommentText), Times.Once);
}