public void DiscoveryOptions_PreEnumerateTheoriesSetToTrue_YieldsTestCasePerDataRow()
{
discoveryOptions.SetPreEnumerateTheories(true);
var discoverer = TestableTheoryDiscoverer.Create();
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 NonSerializableDataYieldsSingleTheoryTestCase()
{
var discoverer = TestableTheoryDiscoverer.Create();
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 = TestableTheoryDiscoverer.Create();
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 ThrowingData()
{
var discoverer = TestableTheoryDiscoverer.Create();
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 TheoryWithSerializableInputDataThatIsntSerializableAfterConversion_YieldsSingleTheoryTestCase()
{
var discoverer = TestableTheoryDiscoverer.Create();
var testMethod = Mocks.TestMethod <ClassWithExplicitConvertedData>("ParameterDeclaredExplicitConversion");
var factAttribute = testMethod.Method.GetCustomAttributes(typeof(FactAttribute)).Single();
var testCases = discoverer.Discover(discoveryOptions, testMethod, factAttribute);
var testCase = Assert.Single(testCases);
Assert.IsType <XunitDelayEnumeratedTheoryTestCase>(testCase);
Assert.Equal("TheoryDiscovererTests+ClassWithExplicitConvertedData.ParameterDeclaredExplicitConversion", testCase.DisplayName);
}
public void DiscoveryOptions_PreEnumerateTheoriesSetToFalse_YieldsSingleTheoryTestCase()
{
discoveryOptions.SetPreEnumerateTheories(false);
var discoverer = TestableTheoryDiscoverer.Create();
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 void DataDiscovererReturningNullYieldsSingleTheoryTestCase()
{
var discoverer = TestableTheoryDiscoverer.Create();
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 void NonSerializableDataYieldsSingleTheoryTestCase()
{
var discoverer = TestableTheoryDiscoverer.Create();
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);
var message = Assert.Single(discoverer.DiagnosticMessages);
var diagnostic = Assert.IsAssignableFrom <IDiagnosticMessage>(message);
Assert.Equal("Non-serializable data ('System.Object[]') found for 'TheoryDiscovererTests+NonSerializableDataClass.TheoryMethod'; falling back to single test case.", diagnostic.Message);
}
public void ThrowingData()
{
var discoverer = TestableTheoryDiscoverer.Create();
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);
var message = Assert.Single(discoverer.DiagnosticMessages);
var diagnostic = Assert.IsAssignableFrom <IDiagnosticMessage>(message);
Assert.StartsWith($"Exception thrown during theory discovery on 'TheoryDiscovererTests+ThrowingDataClass.TheoryWithMisbehavingData'; falling back to single test case.{Environment.NewLine}System.DivideByZeroException: Attempted to divide by zero.", diagnostic.Message);
}
