public void When_SettingLeft_And_ComparisonItemIsNotFound_Should_ThrowInvalidOpException()
{
var repositoryMock = new Mock<IDataComparisonRepository>(MockBehavior.Strict);
repositoryMock.Setup(x => x.Get()).Returns<DataComparisonItem>(null);
var dataComparisonService = new DataComparisonService(repositoryMock.Object);
Assert.Throws<InvalidOperationException>(() => dataComparisonService.SetLeft(GetData("test data")));
}
public void When_SettingLeft_Should_NotChangeRightData()
{
var comparisonItem = new DataComparisonItem(GetData("left"), GetData("right"));
var repositoryMock = new Mock<IDataComparisonRepository>(MockBehavior.Strict);
repositoryMock.Setup(x => x.Get()).Returns(comparisonItem).Verifiable();
repositoryMock.Setup(x => x.Save(It.Is<DataComparisonItem>(item => GetData("right").SequenceEqual(item.Right)))).Verifiable();
var dataComparisonService = new DataComparisonService(repositoryMock.Object);
dataComparisonService.SetLeft(GetData("test data"));
repositoryMock.VerifyAll();
}