public void When_Comparing_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.Compare());
}
public void When_Comparing_Should_ReturnGetDataComparisonItem()
{
var expectedResult = new ComparisonResult(ComparisonState.Equal);
var comparisonItemMock = new Mock<DataComparisonItem>(MockBehavior.Strict);
comparisonItemMock.Setup(x => x.Compare()).Returns(expectedResult).Verifiable();
var repositoryMock = new Mock<IDataComparisonRepository>(MockBehavior.Strict);
repositoryMock.Setup(x => x.Get()).Returns(comparisonItemMock.Object).Verifiable();
var dataComparisonService = new DataComparisonService(repositoryMock.Object);
var result = dataComparisonService.Compare();
Assert.Equal(expectedResult, result);
comparisonItemMock.Verify();
repositoryMock.Verify();
}