public void Throw_ArgumentException_When_TweetIsNotAFavourite()
{
// Arrange
this.tweetRepositoryStub
.Setup(x => x.All)
.Returns(
new List <Tweet>()
{
new Tweet {
Id = "tweetId", TwitterId = "tweetId"
}
}.AsQueryable());
var tweetService = new global::RTWTR.Service.Data.TweetService(
this.saverStub.Object,
this.mapperStub.Object,
this.tweetRepositoryStub.Object,
this.userTweetsStub.Object
);
Assert.ThrowsException <ArgumentException>(() =>
{
tweetService.RemoveTweetFromFavourites("tweetId", "userId");
});
}
public void Throw_NullTweetException_When_TweetIsNotFound()
{
// Arrange
this.tweetRepositoryStub
.Setup(x => x.All)
.Returns(
new List <Tweet>()
{
}.AsQueryable());
var tweetService = new global::RTWTR.Service.Data.TweetService(
this.saverStub.Object,
this.mapperStub.Object,
this.tweetRepositoryStub.Object,
this.userTweetsStub.Object
);
Assert.ThrowsException <NullTweetException>(() =>
{
tweetService.RemoveTweetFromFavourites("tweetId", "userId");
});
this.tweetRepositoryStub.Verify(
x => x.All,
Times.Once
);
}
public void Return_One_When_TweetSuccessfullyReRemoved()
{
// Arrange
this.tweetRepositoryStub
.Setup(x => x.All)
.Returns(
new List <Tweet>()
{
new Tweet {
Id = "tweetId", TwitterId = "tweetId"
}
}.AsQueryable());
this.userTweetsStub
.Setup(x => x.All)
.Returns(
new List <UserTweet>()
{
new UserTweet {
TweetId = "tweetId", UserId = "userId"
}
}.AsQueryable()
);
this.userTweetsStub
.Setup(x => x.Delete(It.IsAny <UserTweet>()))
.Verifiable();
this.saverStub
.Setup(x => x.SaveChanges())
.Returns(1);
var tweetService = new global::RTWTR.Service.Data.TweetService(
this.saverStub.Object,
this.mapperStub.Object,
this.tweetRepositoryStub.Object,
this.userTweetsStub.Object
);
// Act
var actual = tweetService.RemoveTweetFromFavourites(
"tweetId",
"userId"
);
// Assert
Assert.AreEqual(
1,
actual
);
this.userTweetsStub.Verify(
x => x.Delete(It.IsAny <UserTweet>()),
Times.Once
);
}
public void Throw_InvalidUserIdException_When_UserIdIsWhitespace()
{
// Arrange
var tweetService = new global::RTWTR.Service.Data.TweetService(
this.saverStub.Object,
this.mapperStub.Object,
this.tweetRepositoryStub.Object,
this.userTweetsStub.Object
);
// Act & Assert
Assert.ThrowsException <InvalidUserIdException>(() =>
{
tweetService.RemoveTweetFromFavourites("tweetId", " ");
});
}
