public IEnumerable <IXunitTestCase> Discover(
ITestFrameworkDiscoveryOptions discoveryOptions,
ITestMethod testMethod,
IAttributeInfo factAttribute)
{
var skipReason = EvaluateSkipConditions(testMethod);
var isTheory = false;
IXunitTestCaseDiscoverer innerDiscoverer;
if (testMethod.Method.GetCustomAttributes(typeof(TheoryAttribute)).Any())
{
isTheory = true;
innerDiscoverer = new TheoryDiscoverer(_diagnosticMessageSink);
}
else
{
innerDiscoverer = new FactDiscoverer(_diagnosticMessageSink);
}
var testCases = innerDiscoverer
.Discover(discoveryOptions, testMethod, factAttribute)
.Select(testCase => new SkipReasonTestCase(isTheory, skipReason, testCase));
return(testCases);
}
public void NonSerializableDataYieldsSingleTheoryTestCase()
{
var discoverer = new TheoryDiscoverer();
var testMethod = Mocks.TestMethod(typeof(NonSerializableDataClass), "TheoryMethod");
var factAttribute = testMethod.Method.GetCustomAttributes(typeof(FactAttribute)).Single();
var testCases = discoverer.Discover(discoveryOptions, testMethod, factAttribute);
var testCase = Assert.Single(testCases);
var theoryTestCase = Assert.IsType <XunitTheoryTestCase>(testCase);
Assert.Equal("TheoryDiscovererTests+NonSerializableDataClass.TheoryMethod", theoryTestCase.DisplayName);
}
public void MixedDiscoveryEnumerationDataYieldSingleTheoryTestCase()
{
var discoverer = new TheoryDiscoverer();
var testMethod = Mocks.TestMethod(typeof(MixedDiscoveryEnumeratedData), "TheoryMethod");
var factAttribute = testMethod.Method.GetCustomAttributes(typeof(FactAttribute)).Single();
var testCases = discoverer.Discover(discoveryOptions, testMethod, factAttribute);
var testCase = Assert.Single(testCases);
var theoryTestCase = Assert.IsType <XunitTheoryTestCase>(testCase);
Assert.Equal("TheoryDiscovererTests+MixedDiscoveryEnumeratedData.TheoryMethod", theoryTestCase.DisplayName);
}
public void DiscoveryOptions_PreEnumerateTheoriesSetToTrue_YieldsTestCasePerDataRow()
{
discoveryOptions.SetPreEnumerateTheories(true);
var discoverer = new TheoryDiscoverer();
var testMethod = Mocks.TestMethod(typeof(MultipleDataClass), "TheoryMethod");
var factAttribute = testMethod.Method.GetCustomAttributes(typeof(FactAttribute)).Single();
var testCases = discoverer.Discover(discoveryOptions, testMethod, factAttribute).ToList();
Assert.Equal(2, testCases.Count);
Assert.Single(testCases, testCase => testCase.DisplayName == "TheoryDiscovererTests+MultipleDataClass.TheoryMethod(x: 42)");
Assert.Single(testCases, testCase => testCase.DisplayName == "TheoryDiscovererTests+MultipleDataClass.TheoryMethod(x: 2112)");
}
public void ThrowingData()
{
var discoverer = new TheoryDiscoverer();
var testMethod = Mocks.TestMethod(typeof(ThrowingDataClass), "TheoryWithMisbehavingData");
var factAttribute = testMethod.Method.GetCustomAttributes(typeof(FactAttribute)).Single();
var testCases = discoverer.Discover(discoveryOptions, testMethod, factAttribute);
var testCase = Assert.Single(testCases);
var theoryTestCase = Assert.IsType <XunitTheoryTestCase>(testCase);
Assert.Equal("TheoryDiscovererTests+ThrowingDataClass.TheoryWithMisbehavingData", theoryTestCase.DisplayName);
}
public void DiscoveryOptions_PreEnumerateTheoriesSetToFalse_YieldsSingleTheoryTestCase()
{
discoveryOptions.SetPreEnumerateTheories(false);
var discoverer = new TheoryDiscoverer();
var testMethod = Mocks.TestMethod(typeof(MultipleDataClass), "TheoryMethod");
var factAttribute = testMethod.Method.GetCustomAttributes(typeof(FactAttribute)).Single();
var testCases = discoverer.Discover(discoveryOptions, testMethod, factAttribute);
var testCase = Assert.Single(testCases);
var theoryTestCase = Assert.IsType <XunitTheoryTestCase>(testCase);
Assert.Equal("TheoryDiscovererTests+MultipleDataClass.TheoryMethod", theoryTestCase.DisplayName);
}
public async void DiscoveryOptions_PreEnumerateTheoriesSetToFalse_YieldsSingleTestCase()
{
discoveryOptions.SetPreEnumerateTheories(false);
var discoverer = new TheoryDiscoverer();
var testMethod = Mocks.TestMethod <MultipleDataClass>(nameof(MultipleDataClass.TheoryMethod));
var factAttribute = testMethod.Method.GetCustomAttributes(typeof(FactAttribute)).Single();
var testCases = await discoverer.Discover(discoveryOptions, testMethod, factAttribute);
var testCase = Assert.Single(testCases);
Assert.IsType <XunitDelayEnumeratedTheoryTestCase>(testCase);
Assert.Equal($"{typeof(MultipleDataClass).FullName}.{nameof(MultipleDataClass.TheoryMethod)}", testCase.TestCaseDisplayName);
}
public void DataDiscovererReturningNullYieldsSingleTheoryTestCase()
{
var discoverer = new TheoryDiscoverer();
var theoryAttribute = Mocks.TheoryAttribute();
var dataAttribute = Mocks.DataAttribute();
var testMethod = Mocks.TestMethod(methodAttributes: new[] { theoryAttribute, dataAttribute });
var testCases = discoverer.Discover(discoveryOptions, testMethod, theoryAttribute);
var testCase = Assert.Single(testCases);
var theoryTestCase = Assert.IsType <XunitTheoryTestCase>(testCase);
Assert.Equal("MockType.MockMethod", theoryTestCase.DisplayName);
}
public async void DiscoveryOptions_PreEnumerateTheoriesSetToTrue_YieldsTestCasePerDataRow()
{
discoveryOptions.SetPreEnumerateTheories(true);
var discoverer = new TheoryDiscoverer();
var testMethod = Mocks.TestMethod <MultipleDataClass>(nameof(MultipleDataClass.TheoryMethod));
var factAttribute = testMethod.Method.GetCustomAttributes(typeof(FactAttribute)).Single();
var testCases = (await discoverer.Discover(discoveryOptions, testMethod, factAttribute)).ToList();
Assert.Collection(
testCases.Select(tc => tc.TestCaseDisplayName).OrderBy(x => x),
displayName => Assert.Equal($"{typeof(MultipleDataClass).FullName}.{nameof(MultipleDataClass.TheoryMethod)}(x: 2112)", displayName),
displayName => Assert.Equal($"{typeof(MultipleDataClass).FullName}.{nameof(MultipleDataClass.TheoryMethod)}(x: 42)", displayName)
);
}
public void ThrowingData()
{
var testCollection = new XunitTestCollection();
var discoverer = new TheoryDiscoverer();
var type = typeof(ThrowingDataClass);
var method = type.GetMethod("TheoryWithMisbehavingData");
var theory = CustomAttributeData.GetCustomAttributes(method).Single(cad => cad.AttributeType == typeof(TheoryAttribute));
var testCases = discoverer.Discover(testCollection, Reflector.Wrap(type.Assembly), Reflector.Wrap(type), Reflector.Wrap(method), Reflector.Wrap(theory));
var testCase = Assert.Single(testCases);
var theoryTestCase = Assert.IsType <XunitTheoryTestCase>(testCase);
Assert.Equal("TheoryDiscovererTests+ThrowingDataClass.TheoryWithMisbehavingData", theoryTestCase.DisplayName);
}
public void NonSerializableDataYieldsSingleTheoryTestCase()
{
var testCollection = new XunitTestCollection();
var discoverer = new TheoryDiscoverer();
var type = typeof(NonSerializableDataClass);
var method = type.GetMethod("TheoryMethod");
var theory = CustomAttributeData.GetCustomAttributes(method).Single(cad => cad.AttributeType == typeof(TheoryAttribute));
var testCases = discoverer.Discover(testCollection, Reflector.Wrap(type.Assembly), Reflector.Wrap(type), Reflector.Wrap(method), Reflector.Wrap(theory));
var testCase = Assert.Single(testCases);
var theoryTestCase = Assert.IsType <XunitTheoryTestCase>(testCase);
Assert.Equal("TheoryDiscovererTests+NonSerializableDataClass.TheoryMethod", theoryTestCase.DisplayName);
}
public void DataDiscovererReturningNullYieldsSingleTheoryTestCase()
{
var testCollection = new XunitTestCollection();
var discoverer = new TheoryDiscoverer();
var assembly = Mocks.AssemblyInfo();
var type = Mocks.TypeInfo();
var theory = Mocks.TheoryAttribute();
var data = Substitute.For <IAttributeInfo>();
var method = Mocks.MethodInfo();
method.GetCustomAttributes(typeof(DataAttribute).AssemblyQualifiedName).Returns(new[] { data });
method.GetCustomAttributes(typeof(TheoryAttribute).AssemblyQualifiedName).Returns(new[] { theory });
var testCases = discoverer.Discover(testCollection, assembly, type, method, theory);
var testCase = Assert.Single(testCases);
var theoryTestCase = Assert.IsType <XunitTheoryTestCase>(testCase);
Assert.Equal("MockType.MockMethod", theoryTestCase.DisplayName);
}
public CompositeTestDiscoverer(IMessageSink diagnosticMessageSink)
{
_theoryDiscoverer = new TheoryDiscoverer(diagnosticMessageSink);
}
public InterpreterTheoryDiscoverer(IMessageSink diagnosticMessageSink)
{
theoryDiscoverer = new TheoryDiscoverer(diagnosticMessageSink);
}
public ForegroundTheoryDiscoverer(IMessageSink diagnosticMessageSink)
{
_inner = new TheoryDiscoverer(diagnosticMessageSink);
}
public SkippableTheoryDiscoverer(IMessageSink diagnosticMessageSink)
{
this.diagnosticMessageSink = diagnosticMessageSink;
theoryDiscoverer = new TheoryDiscoverer(diagnosticMessageSink);
}
public MSBuildTheoryDiscoverer(IMessageSink diagnosticMessageSink)
{
_theoryDiscoverer = new TheoryDiscoverer(diagnosticMessageSink);
}
public WpfTheoryDiscoverer(IMessageSink diagnosticMessageSink)
{
theoryDiscoverer = new TheoryDiscoverer(diagnosticMessageSink);
}
