public void Throw_Argument_Null_Exception_When_TweetFromApi_Is_Null()
{
//Arrange
var unitOfWorkMock = new Mock <IUnitOfWork>();
var mapperMock = new Mock <IMappingProvider>();
var twitterApiCallServiceMock = new Mock <ITwitterApiCallService>();
var tweetTagServiceMock = new Mock <ITweetTagService>();
var tagServiceMock = new Mock <ITagService>();
var dateTimeParserMock = new Mock <IDateTimeParser>();
var repoMock = new Mock <IGenericRepository <Tweet> >();
var sut = new TweetService(mapperMock.Object, unitOfWorkMock.Object,
twitterApiCallServiceMock.Object, tweetTagServiceMock.Object,
tagServiceMock.Object, dateTimeParserMock.Object);
//Act & Assert
Assert.ThrowsException <ArgumentNullException>(() => sut.CreateFromApiDto(null));
}
public void Invokes_SaveChanges_When_Tweet_Is_Created()
{
//Arrange
var unitOfWorkMock = new Mock <IUnitOfWork>();
var mapperMock = new Mock <IMappingProvider>();
var twitterApiCallServiceMock = new Mock <ITwitterApiCallService>();
var tweetTagServiceMock = new Mock <ITweetTagService>();
var tagServiceMock = new Mock <ITagService>();
var dateTimeParserMock = new Mock <IDateTimeParser>();
var repoMock = new Mock <IGenericRepository <Tweet> >();
var tweetDtoFromApi = new TweetFromApiDto
{
TweetId = "1",
Text = "Tweet text",
OriginalTweetCreatedOn = "01/05/2005",
};
var tweet = new Tweet
{
TweetId = tweetDtoFromApi.TweetId,
Text = tweetDtoFromApi.Text,
OriginalTweetCreatedOn = DateTime.Parse(tweetDtoFromApi.OriginalTweetCreatedOn),
FolloweeId = "1"
};
var tweetCollection = new List <Tweet> {
tweet
};
repoMock.Setup(r => r.AllAndDeleted).Returns(tweetCollection.AsQueryable());
unitOfWorkMock.Setup(u => u.Tweets).Returns(repoMock.Object);
unitOfWorkMock.Setup(u => u.Tweets.Add(It.IsAny <Tweet>())).Verifiable();
var sut = new TweetService(mapperMock.Object, unitOfWorkMock.Object,
twitterApiCallServiceMock.Object, tweetTagServiceMock.Object,
tagServiceMock.Object, dateTimeParserMock.Object);
//Act
sut.CreateFromApiDto(tweetDtoFromApi);
//Assert
unitOfWorkMock.Verify(v => v.SaveChanges(), Times.Once);
}