public void Invoke_SaveChanges_When_TweetTag_Is_New()
{
//Arrange
var fakeUnit = new Mock <IUnitOfWork>();
var fakeDateTimeProvider = Mock.Of <IDateTimeProvider>();
var fakeTagService = Mock.Of <ITagService>();
var sut = new TweetTagService(fakeUnit.Object, fakeTagService, fakeDateTimeProvider);
var fakeTweetTagRepo = new Mock <IGenericRepository <TweetTag> >();
var tweetTag = new TweetTag {
TweetId = "TestTweetId1", TagId = 1
};
var tweetTagsCollection = new List <TweetTag> {
tweetTag
};
fakeTweetTagRepo.Setup(r => r.AllAndDeleted).Returns(tweetTagsCollection.AsQueryable());
fakeUnit.Setup(u => u.TweetTags).Returns(fakeTweetTagRepo.Object);
fakeUnit.Setup(s => s.SaveChanges()).Verifiable();
//Act
sut.AddTweetTagByTweetIdTagId(3, "TestTweetId5");
//Assert
fakeUnit.Verify(v => v.SaveChanges(), Times.Once);
}
public void Change_Deleted_State_When_TweetTag_Exist_But_Deleted()
{
//Arrange
var fakeUnit = new Mock <IUnitOfWork>();
var fakeDateTimeProvider = Mock.Of <IDateTimeProvider>();
var fakeTagService = Mock.Of <ITagService>();
var sut = new TweetTagService(fakeUnit.Object, fakeTagService, fakeDateTimeProvider);
var fakeTweetTagRepo = new Mock <IGenericRepository <TweetTag> >();
var tweetTag = new TweetTag {
TweetId = "TestTweetId1", TagId = 1, IsDeleted = true
};
var tweetTagsCollection = new List <TweetTag> {
tweetTag
};
fakeTweetTagRepo.Setup(r => r.AllAndDeleted).Returns(tweetTagsCollection.AsQueryable());
fakeUnit.Setup(u => u.TweetTags).Returns(fakeTweetTagRepo.Object);
//Act
sut.AddTweetTagByTweetIdTagId(1, "TestTweetId1");
var addedTag =
fakeTweetTagRepo.Object.AllAndDeleted.FirstOrDefault(w => w.TweetId == "TestTweetId1" && w.TagId == 1);
//Assert
Assert.IsFalse(addedTag.IsDeleted);
Assert.IsNull(addedTag.DeletedOn);
}
public void Throw_Argument_Null_Exception_When_String_Is_Null()
{
//Arrange
var fakeUnit = Mock.Of <IUnitOfWork>();
var fakeDateTimeProvider = Mock.Of <IDateTimeProvider>();
var fakeTagService = Mock.Of <ITagService>();
var sut = new TweetTagService(fakeUnit, fakeTagService, fakeDateTimeProvider);
//Act & Assert
Assert.ThrowsException <ArgumentNullException>(() => sut.AddTweetTagByTweetIdTagId(5, null));
}