public void EmptyFirstJustWorks()
{
DifferenceEvaluator d = DifferenceEvaluators.First();
Assert.AreEqual(ComparisonResult.DIFFERENT,
d(null, ComparisonResult.DIFFERENT));
}
public void DowngradeDifferencesToEqualLeavesUnknownTypesAlone()
{
DifferenceEvaluator d = DifferenceEvaluators
.DowngradeDifferencesToEqual(ComparisonType.XML_VERSION,
ComparisonType.XML_STANDALONE);
Assert.AreEqual(ComparisonResult.SIMILAR,
d(new Comparison(ComparisonType.XML_ENCODING,
null, null, null, null,
null, null, null, null),
ComparisonResult.SIMILAR));
}
public void DowngradeDifferencesToEqualDowngradesMatchingTypes()
{
DifferenceEvaluator d = DifferenceEvaluators
.DowngradeDifferencesToEqual(ComparisonType.XML_VERSION,
ComparisonType.XML_STANDALONE);
Assert.AreEqual(ComparisonResult.EQUAL,
d(new Comparison(ComparisonType.XML_VERSION,
null, null, null, null,
null, null, null, null),
ComparisonResult.SIMILAR));
}
public void UpgradeDifferencesToDifferentLeavesEqualResultsAlone()
{
DifferenceEvaluator d = DifferenceEvaluators
.UpgradeDifferencesToDifferent(ComparisonType.XML_VERSION,
ComparisonType.XML_STANDALONE);
Assert.AreEqual(ComparisonResult.EQUAL,
d(new Comparison(ComparisonType.XML_VERSION,
null, null, null, null,
null, null, null, null),
ComparisonResult.EQUAL));
}
public void UpgradeDifferencesToDifferentUpgradesMatchingTypes()
{
DifferenceEvaluator d = DifferenceEvaluators
.UpgradeDifferencesToDifferent(ComparisonType.XML_VERSION,
ComparisonType.XML_STANDALONE);
Assert.AreEqual(ComparisonResult.DIFFERENT,
d(new Comparison(ComparisonType.XML_VERSION,
null, null, null, null,
null, null, null, null),
ComparisonResult.SIMILAR));
}
public void AllEvaluatorsAreCalledInSequence()
{
Evaluator e1 = new Evaluator(ComparisonResult.SIMILAR);
Evaluator e2 = new Evaluator(ComparisonResult.EQUAL);
DifferenceEvaluator d = DifferenceEvaluators.Chain(e1.Evaluate,
e2.Evaluate);
Assert.AreEqual(ComparisonResult.EQUAL,
d(null, ComparisonResult.DIFFERENT));
Assert.IsTrue(e1.Called);
Assert.That(e1.Orig, Is.EqualTo(ComparisonResult.DIFFERENT)); // passed initial ComparisonResult
Assert.IsTrue(e2.Called);
Assert.That(e2.Orig, Is.EqualTo(ComparisonResult.SIMILAR)); // passed ComparisonResult from e1
}
public void FirstChangeWinsInFirst()
{
Evaluator e1 = new Evaluator(ComparisonResult.DIFFERENT);
Evaluator e2 = new Evaluator(ComparisonResult.EQUAL);
DifferenceEvaluator d = DifferenceEvaluators.First(e1.Evaluate,
e2.Evaluate);
Assert.AreEqual(ComparisonResult.DIFFERENT,
d(null, ComparisonResult.SIMILAR));
Assert.IsTrue(e1.Called);
Assert.IsFalse(e2.Called);
e1.Called = false;
Assert.AreEqual(ComparisonResult.EQUAL,
d(null, ComparisonResult.DIFFERENT));
Assert.IsTrue(e1.Called);
Assert.IsTrue(e2.Called);
}
private IList <Comparison> Compare(string controlXml, string testXml,
bool ignoreDoctypeDeclarationAsWell)
{
ISource control = InputBuilder.From(controlXml).Build();
ISource test = InputBuilder.From(testXml).Build();
DOMDifferenceEngine e = new DOMDifferenceEngine();
if (ignoreDoctypeDeclarationAsWell)
{
e.DifferenceEvaluator = DifferenceEvaluators.IgnorePrologDifferences();
}
else
{
e.DifferenceEvaluator = DifferenceEvaluators.IgnorePrologDifferencesExceptDoctype();
}
var differences = new List <Comparison>();
e.DifferenceListener += (comparison, outcome) => differences.Add(comparison);
e.Compare(control, test);
return(differences);
}
