public void Compare_Missing_MissingNullUnexpectedNotNull()
{
var listComparer = new ListComparer();
var res = listComparer.Compare(
new List<string> { "a", "b", "c" },
new List<string> { "a", "b", "c" },
ListComparer.Comparison.UnexpectedItems
);
Assert.That(res.Missing, Is.Null.Or.Empty);
Assert.That(res.Unexpected, Is.Not.Null);
}
public void Compare_MissingAndOneMissingItem_MissingHasCountOfOneWithCorrectMissingItem()
{
var listComparer = new ListComparer();
var res = listComparer.Compare(
new List<string> { "a", "b", "z"},
new List<string> { "a", "b" },
ListComparer.Comparison.Both
);
Assert.That(res.Missing, Has.Count.EqualTo(1));
Assert.That(res.Missing.ElementAt(0), Is.EqualTo("z"));
}
public void Compare_Both_MissingUnexpectedNotNull()
{
var listComparer = new ListComparer();
var res = listComparer.Compare(
new List<string> { "a", "b", "c" },
new List<string> { "a", "b", "c" },
ListComparer.Comparison.Both
);
Assert.That(res.Missing, Is.Not.Null);
Assert.That(res.Unexpected, Is.Not.Null);
}
public void Compare_BothWithMissingAndUnexpectedItems_MissingUnexpectedNotNullAndNotEmpty()
{
var listComparer = new ListComparer();
var res = listComparer.Compare(
new List<string> { "a", "b", "c" },
new List<string> { "a", "b", "d" },
ListComparer.Comparison.Both
);
Assert.That(res.Missing, Is.Not.Null.And.Not.Empty);
Assert.That(res.Unexpected, Is.Not.Null.And.Not.Empty);
}
public void Compare_UnexpectedAndOneUnexpectedItem_UnexpectedHasCountOfOneWithCorrectUnexpectedItem()
{
var listComparer = new ListComparer();
var res = listComparer.Compare(
new List<string> { "a", "b" },
new List<string> { "a", "b", "z" },
ListComparer.Comparison.Both
);
Assert.That(res.Unexpected, Has.Count.EqualTo(1));
Assert.That(res.Unexpected.ElementAt(0), Is.EqualTo("z"));
}
public void Sample_LessThan10Items_DontThrowException()
{
var listComparer = new ListComparer();
var res = listComparer.Compare(
new List<string> { "a", "b", "c", "d", "e", "f", "g", "h" },
new List<string> { "z" },
ListComparer.Comparison.Both
);
var sampledRes = res.Sample(2);
Assert.That(sampledRes.Missing.Count(), Is.EqualTo(2));
Assert.That(sampledRes.MissingCount, Is.GreaterThan(2));
Assert.That(sampledRes.Unexpected.Count(), Is.EqualTo(1));
Assert.That(sampledRes.UnexpectedCount, Is.EqualTo(1));
}