public void Return_False_When_No_User_Saved_This_Tweet()
{
//Arrange
var fakeUnit = new Mock <IUnitOfWork>();
var dateTimeProvider = new TestDateTimeProvider();
var fakeTweetService = new Mock <ITweetService>();
var sut = new UserTweetService(fakeUnit.Object, fakeTweetService.Object, dateTimeProvider);
var fakeUserTweetRepo = new Mock <IGenericRepository <UserTweet> >();
var userTweet = new UserTweet {
UserId = "123", TweetId = "456"
};
var userTweetCollection = new List <UserTweet> {
userTweet
};
fakeUserTweetRepo.Setup(s => s.All).Returns(userTweetCollection.AsQueryable());
fakeUnit.Setup(u => u.UserTweets).Returns(fakeUserTweetRepo.Object);
//Act
var expectedResult = sut.AnyUserSavedThisTweetById("7777");
//Assert
Assert.IsFalse(expectedResult);
}
public void Throw_Argument_Null_Exception_When_TweetId_Is_Null()
{
//Arrange
var fakeUnit = new Mock <IUnitOfWork>();
var dateTimeProvider = new TestDateTimeProvider();
var fakeTweetService = new Mock <ITweetService>();
var sut = new UserTweetService(fakeUnit.Object, fakeTweetService.Object, dateTimeProvider);
//Act & Assert
Assert.ThrowsException <ArgumentNullException>(() => sut.AnyUserSavedThisTweetById(null));
}