public async Task ReturnsSaveChanges()
{
var expectedResult = 1;
var insertBlog = new InsertBlog(null);
var upserter = A.Fake <IUpsertDbSet <Blog> >();
A.CallTo(() =>
upserter.Save()
).Returns(expectedResult);
var actualResult = await new InsertBlog(null).Execute(upserter);
Assert.AreEqual(expectedResult, actualResult);
}
public async Task TracksAndSavesBlogToDbSet()
{
var blogToInsert = new Blog();
var insertBlog = new InsertBlog(blogToInsert);
var upserter = A.Fake <IUpsertDbSet <Blog> >();
await insertBlog.Execute(upserter);
A.CallTo(() =>
upserter.AddAsync(A <Blog> .That.IsSameAs(blogToInsert))
).MustHaveHappenedOnceExactly();
A.CallTo(() =>
upserter.Save()
).MustHaveHappenedOnceExactly();
}
public async Task DoesNotSaveBlogIfAddThrows()
{
var expectedException = new Exception();
var insertBlog = new InsertBlog(null);
var upserter = A.Fake <IUpsertDbSet <Blog> >();
A.CallTo(() =>
upserter.AddAsync(A <Blog> .Ignored)
).Throws(expectedException);
await Assert.ThrowsExceptionAsync <Exception>(async() =>
await insertBlog.Execute(upserter)
);
A.CallTo(() =>
upserter.Save()
).MustNotHaveHappened();
}
