public void FilterShouldReturnNullIfNoMatchingChildDiffs()
{
var difference = new Difference("prop", 1, 2)
{
ChildDiffs = new List<Difference>
{
new Difference("a", 1337, 0),
}
};
var filtered = difference.Filter(d => false);
Assert.IsNull(filtered);
}
public void FilterShouldReturnNullIfNoMatchingChildDiffs()
{
var difference = new Difference("prop", 1, 2)
{
ChildDiffs = new List <Difference>
{
new Difference("a", 1337, 0),
}
};
var filtered = difference.Filter(d => false);
Assert.IsNull(filtered);
}
public void FilterShouldRemoveNonMatchingChildDiffs()
{
var difference = new Difference("prop", 1, 2)
{
ChildDiffs = new List<Difference>
{
new Difference("a", 1337, 0),
new Difference("b", 123, 456)
}
};
var filtered = difference.Filter(d => d.PropertyName != "a");
Assert.AreEqual(1, filtered.ChildDiffs.Count());
var childDiff = filtered.ChildDiffs.First();
Assert.AreEqual("b", childDiff.PropertyName);
Assert.AreEqual(123, childDiff.NewValue);
Assert.AreEqual(456, childDiff.OldValue);
Assert.IsNull(childDiff.ChildDiffs);
}
public void FilterShouldRemoveNonMatchingChildDiffs()
{
var difference = new Difference("prop", 1, 2)
{
ChildDiffs = new List <Difference>
{
new Difference("a", 1337, 0),
new Difference("b", 123, 456)
}
};
var filtered = difference.Filter(d => d.PropertyName != "a");
Assert.AreEqual(1, filtered.ChildDiffs.Count());
var childDiff = filtered.ChildDiffs.First();
Assert.AreEqual("b", childDiff.PropertyName);
Assert.AreEqual(123, childDiff.NewValue);
Assert.AreEqual(456, childDiff.OldValue);
Assert.IsNull(childDiff.ChildDiffs);
}