public void lost_one_follower_from_exinsting_ones()
{
var twitter = new Mock<ITwitterParser>();
twitter.Setup(x => x.WhoAre(new[] { 42L })).Returns(new[] { new UserProfile(42, "42", "42L") });
var analyzer = new DifferencesAnalyzer(twitter.Object);
var date = new DateTime(2001, 09, 11);
var entry = analyzer.Analyze(date, new long[] { 1L, 42L }, new long[] { 1L });
entry.Date.Should().Be(date);
entry.NewFollowers.Should().Be.Empty();
entry.LostFollowers.Should().Have.SameSequenceAs(new UserProfile(42, "42", "42L"));
entry.SomethingHappened.Should().Be.True();
entry.FollowerCount.Should().Be(1);
}
public void two_empty_lists()
{
var twitter = new Mock<ITwitterParser>();
var analyzer = new DifferencesAnalyzer(twitter.Object);
var date = new DateTime(2001, 09, 11);
var entry = analyzer.Analyze(date, new long[0], new long[0]);
entry.Date.Should().Be(date);
entry.NewFollowers.Should().Be.Empty();
entry.LostFollowers.Should().Be.Empty();
entry.SomethingHappened.Should().Be.False();
entry.FollowerCount.Should().Be(0);
}