public void MatchOnIdentifiesMatchesByMultipleConditions()
{
var oldItems = new List <IClassDefinition>
{
new TestClassDefinition(),
new TestClassDefinition(),
new TestClassDefinition(),
new TestClassDefinition()
};
var newItems = new List <IClassDefinition>
{
new TestClassDefinition(),
new TestClassDefinition(),
new TestClassDefinition()
};
var sut = new MatchAgent <IClassDefinition>(oldItems, newItems);
sut.MatchOn((oldItem, newItem) => oldItem == oldItems[2] && newItem == newItems[1]);
sut.MatchOn((oldItem, newItem) => oldItem == oldItems[1] && newItem == newItems[0]);
var actual = sut.Results;
actual.MatchingItems.Should().HaveCount(2);
actual.MatchingItems.First().OldItem.Should().Be(oldItems[2]);
actual.MatchingItems.First().NewItem.Should().Be(newItems[1]);
actual.MatchingItems.Skip(1).First().OldItem.Should().Be(oldItems[1]);
actual.MatchingItems.Skip(1).First().NewItem.Should().Be(newItems[0]);
actual.ItemsRemoved.Should().BeEquivalentTo(oldItems.Where(x => x != oldItems[2] && x != oldItems[1]));
actual.ItemsAdded.Should().BeEquivalentTo(newItems.Where(x => x != newItems[1] && x != newItems[0]));
}
public void MatchOnSkipsProcessingWhenNoMoreOldItemsFound()
{
var oldItems = new List <IClassDefinition>
{
new TestClassDefinition()
};
var newItems = new List <IClassDefinition>
{
new TestClassDefinition(),
new TestClassDefinition()
};
var sut = new MatchAgent <IClassDefinition>(oldItems, newItems);
sut.MatchOn((oldItem, newItem) => oldItem == oldItems[0] && newItem == newItems[1]);
sut.MatchOn((_, _) => true);
var actual = sut.Results;
actual.MatchingItems.Should().HaveCount(1);
actual.MatchingItems.First().OldItem.Should().Be(oldItems[0]);
actual.MatchingItems.First().NewItem.Should().Be(newItems[1]);
actual.ItemsRemoved.Should().BeEmpty();
actual.ItemsAdded.Should().BeEquivalentTo(newItems.Where(x => x == newItems[0]));
sut.OldItems.Should().BeEmpty();
sut.NewItems.Should().HaveCount(1);
sut.NewItems.Single().Should().Be(newItems[0]);
}
public void MatchOnIdentifiesMatchesWhenConditionReturnsTrue()
{
var oldItems = new List <IClassDefinition>
{
new TestClassDefinition()
};
var newItems = new List <IClassDefinition>
{
new TestClassDefinition()
};
var sut = new MatchAgent <IClassDefinition>(oldItems, newItems);
sut.MatchOn((_, _) => true);
var actual = sut.Results;
actual.MatchingItems.Should().HaveCount(1);
actual.MatchingItems.First().OldItem.Should().Be(oldItems[0]);
actual.MatchingItems.First().NewItem.Should().Be(newItems[0]);
actual.ItemsRemoved.Should().BeEmpty();
actual.ItemsAdded.Should().BeEmpty();
sut.NewItems.Should().BeEmpty();
sut.OldItems.Should().BeEmpty();
}
public void MatchOnDoesNotIdentifyMatchWhenConditionReturnsFalse()
{
var oldItems = new List <IClassDefinition>
{
new TestClassDefinition()
};
var newItems = new List <IClassDefinition>
{
new TestClassDefinition()
};
var sut = new MatchAgent <IClassDefinition>(oldItems, newItems);
sut.MatchOn((_, _) => false);
var actual = sut.Results;
actual.MatchingItems.Should().BeEmpty();
actual.ItemsRemoved.Should().BeEquivalentTo(oldItems);
actual.ItemsAdded.Should().BeEquivalentTo(newItems);
}
