public void XUnit2TestGeneratorProvider_ShouldInitializeTestOutputHelperFieldInConstructor()
{
// ARRANGE
var document = ParseDocumentFromString(SampleFeatureFile);
var provider = new XUnit2TestGeneratorProvider(new CodeDomHelper(CodeDomProviderLanguage.CSharp), new ProjectSettings()
{
DefaultNamespace = "Target"
});
var converter = provider.CreateUnitTestConverter();
// ACT
var code = converter.GenerateUnitTestFixture(document, "TestClassName", "Target.Namespace");
code.Should().NotBeNull();
// ASSERT
var classConstructor = code.Class().Members().Single(m => m.Name == ".ctor");
classConstructor.Should().NotBeNull();
classConstructor.Parameters.Count.Should().Be(3);
classConstructor.Parameters[2].Type.BaseType.Should().Be("Xunit.Abstractions.ITestOutputHelper");
classConstructor.Parameters[2].Name.Should().Be("testOutputHelper");
var initOutputHelper = classConstructor.Statements.OfType <CodeAssignStatement>().First();
initOutputHelper.Should().NotBeNull();
((CodeFieldReferenceExpression)initOutputHelper.Left).FieldName.Should().Be("_testOutputHelper");
((CodeVariableReferenceExpression)initOutputHelper.Right).VariableName.Should().Be("testOutputHelper");
}
public void XUnit2TestGeneratorProvider_Should_register_testOutputHelper_on_scenario_setup()
{
// ARRANGE
var document = ParseDocumentFromString(SampleFeatureFile);
var provider = new XUnit2TestGeneratorProvider(new CodeDomHelper(CodeDomProviderLanguage.CSharp), new ProjectSettings()
{
DefaultNamespace = "Target"
});
var converter = provider.CreateUnitTestConverter();
// ACT
var code = converter.GenerateUnitTestFixture(document, "TestClassName", "Target.Namespace");
// ASSERT
code.Should().NotBeNull();
var scenarioStartMethod = code.Class().Members().Single(m => m.Name == @"ScenarioInitialize");
scenarioStartMethod.Statements.Count.Should().Be(2);
var expression = scenarioStartMethod.Statements[1].Should().BeOfType <CodeExpressionStatement>()
.Which.Expression.Should().BeOfType <CodeMethodInvokeExpression>().Which;
expression.Parameters[0].Should().BeOfType <CodeVariableReferenceExpression>()
.Which.VariableName.Should().Be("_testOutputHelper");
var method = expression.Method;
method.TargetObject.Should().BeOfType <CodePropertyReferenceExpression>()
.Which.PropertyName.Should().Be("ScenarioContainer");
method.MethodName.Should().Be("RegisterInstanceAs");
method.TypeArguments.Should().NotBeNullOrEmpty();
method.TypeArguments[0].BaseType.Should().Be("Xunit.Abstractions.ITestOutputHelper");
}
public void XUnit2TestGeneratorProvider_WithFeatureWithMatchingTag_ShouldAddNonParallelizableCollectionAttribute()
{
// ARRANGE
var document = ParseDocumentFromString(@"
@nonparallelizable
Feature: Sample feature file
Scenario: Simple scenario
Given there is something");
var provider = new XUnit2TestGeneratorProvider(new CodeDomHelper(CodeDomProviderLanguage.CSharp), new ProjectSettings()
{
DefaultNamespace = "Target"
});
var featureGenerator = provider.CreateFeatureGenerator(addNonParallelizableMarkerForTags: new string[] { "nonparallelizable" });
// ACT
var code = featureGenerator.GenerateUnitTestFixture(document, "TestClassName", "Target.Namespace");
// ASSERT
var attributes = code.Class().CustomAttributes().ToArray();
attributes.Should().ContainSingle(a => a.Name == XUnitCollectionAttribute);
var collectionAttribute = attributes.Single(a => a.Name == XUnitCollectionAttribute);
collectionAttribute.Arguments.Should().HaveCount(1);
collectionAttribute.Arguments[0].Value.Should().BeEquivalentTo(new CodePrimitiveExpression("SpecFlowNonParallelizableFeatures"));
}
public void Should_initialize_testOutputHelper_field_in_constructor()
{
SpecFlowGherkinParser parser = new SpecFlowGherkinParser(new CultureInfo("en-US"));
using (var reader = new StringReader(SampleFeatureFile))
{
SpecFlowDocument document = parser.Parse(reader, null);
Assert.IsNotNull(document);
var provider = new XUnit2TestGeneratorProvider(new CodeDomHelper(CodeDomProviderLanguage.CSharp));
var converter = provider.CreateUnitTestConverter();
CodeNamespace code = converter.GenerateUnitTestFixture(document, "TestClassName", "Target.Namespace");
Assert.IsNotNull(code);
var classContructor = code.Class().Members().Single(m => m.Name == ".ctor");
classContructor.Should().NotBeNull();
classContructor.Parameters.Count.Should().Be(2);
classContructor.Parameters[1].Type.BaseType.Should().Be("Xunit.Abstractions.ITestOutputHelper");
classContructor.Parameters[1].Name.Should().Be("testOutputHelper");
var initOutputHelper = classContructor.Statements.OfType <CodeAssignStatement>().First();
initOutputHelper.Should().NotBeNull();
((CodeFieldReferenceExpression)(initOutputHelper.Left)).FieldName.Should().Be("_testOutputHelper");
((CodeVariableReferenceExpression)(initOutputHelper.Right)).VariableName.Should().Be("testOutputHelper");
}
}
public void Should_register_testOutputHelper_on_scenario_setup()
{
SpecFlowGherkinParser parser = new SpecFlowGherkinParser(new CultureInfo("en-US"));
using (var reader = new StringReader(SampleFeatureFile))
{
SpecFlowDocument document = parser.Parse(reader, null);
Assert.IsNotNull(document);
var provider = new XUnit2TestGeneratorProvider(new CodeDomHelper(CodeDomProviderLanguage.CSharp));
var converter = provider.CreateUnitTestConverter();
CodeNamespace code = converter.GenerateUnitTestFixture(document, "TestClassName", "Target.Namespace");
Assert.IsNotNull(code);
var scenarioStartMethod = code.Class().Members().Single(m => m.Name == @"ScenarioSetup");
scenarioStartMethod.Statements.Count.Should().Be(2);
var expression = (scenarioStartMethod.Statements[1] as CodeExpressionStatement).Expression;
var method = (expression as CodeMethodInvokeExpression).Method;
(method.TargetObject as CodePropertyReferenceExpression).PropertyName.Should().Be("ScenarioContainer");
method.MethodName.Should().Be("RegisterInstanceAs");
method.TypeArguments.Should().NotBeNullOrEmpty();
method.TypeArguments[0].BaseType.Should().Be("Xunit.Abstractions.ITestOutputHelper");
((expression as CodeMethodInvokeExpression).Parameters[0] as CodeVariableReferenceExpression).VariableName.Should().Be("_testOutputHelper");
}
}
public void XUnit2TestGeneratorProvider_ShouldSetSkipAttributeForTheory()
{
// Arrange
var provider = new XUnit2TestGeneratorProvider(new CodeDomHelper(new CSharpCodeProvider()));
// Act
var codeMemberMethod = new CodeMemberMethod
{
CustomAttributes =
new CodeAttributeDeclarationCollection(
new[] { new CodeAttributeDeclaration(XUnit2TestGeneratorProvider.THEORY_ATTRIBUTE) })
};
provider.SetTestMethodIgnore(null, codeMemberMethod);
// Assert
var modifiedAttribute = codeMemberMethod.CustomAttributes.OfType <CodeAttributeDeclaration>()
.FirstOrDefault(a => a.Name == XUnit2TestGeneratorProvider.THEORY_ATTRIBUTE);
modifiedAttribute.Should().NotBeNull();
var attribute = modifiedAttribute.Arguments
.OfType <CodeAttributeArgument>()
.FirstOrDefault(a => a.Name == XUnit2TestGeneratorProvider.THEORY_ATTRIBUTE_SKIP_PROPERTY_NAME);
attribute.Should().NotBeNull();
var primitiveExpression = attribute.Value as CodePrimitiveExpression;
primitiveExpression.Should().NotBeNull();
primitiveExpression.Value.Should().Be(XUnit2TestGeneratorProvider.SKIP_REASON);
}
public void XUnit2TestGeneratorProvider_ShouldSetDisplayNameForTheoryAttribute()
{
// Arrange
var provider = new XUnit2TestGeneratorProvider(new CodeDomHelper(new CSharpCodeProvider()), new ProjectSettings()
{
DefaultNamespace = "Target"
});
var context = new Generator.TestClassGenerationContext(
unitTestGeneratorProvider: null,
document: new SpecFlowDocument(
feature: new SpecFlowFeature(
tags: null,
location: null,
language: null,
keyword: null,
name: "",
description: null,
children: null
),
comments: null,
sourceFilePath: null),
ns: null,
testClass: null,
testRunnerField: null,
testClassInitializeMethod: null,
testClassCleanupMethod: null,
testInitializeMethod: null,
testCleanupMethod: null,
scenarioInitializeMethod: null,
scenarioStartMethod: null,
scenarioCleanupMethod: null,
featureBackgroundMethod: null,
generateRowTests: false);
var codeMemberMethod = new CodeMemberMethod();
// Act
provider.SetRowTest(context, codeMemberMethod, "Foo");
// Assert
var modifiedAttribute = codeMemberMethod.CustomAttributes.OfType <CodeAttributeDeclaration>()
.FirstOrDefault(a => a.Name == "Xunit.SkippableTheoryAttribute");
modifiedAttribute.Should().NotBeNull();
var attribute = modifiedAttribute.Arguments
.OfType <CodeAttributeArgument>()
.FirstOrDefault(a => a.Name == "DisplayName");
attribute.Should().NotBeNull();
var primitiveExpression = attribute.Value as CodePrimitiveExpression;
primitiveExpression.Should().NotBeNull();
primitiveExpression.Value.Should().Be("Foo");
}
public void XUnit2TestGeneratorProvider_ExampleIdentifier_ShouldSetInlineDataAttributesCorrectly()
{
// ARRANGE
const string sampleFeatureFileWithMultipleExampleSets = @"
Feature: Sample feature file
Scenario: Simple scenario
Given there is something
When I do something
Then something should happen
@mytag
Scenario Outline: Simple Scenario Outline
Given there is something
""""""
long string
""""""
When I do <what>
| foo | bar |
| 1 | 2 |
Then something should happen
Examples:
| what |
| something |
| something else |
Examples:
| what |
| another |
| and another |
";
var document = ParseDocumentFromString(sampleFeatureFileWithMultipleExampleSets);
var sampleTestGeneratorProvider = new XUnit2TestGeneratorProvider(new CodeDomHelper(CodeDomProviderLanguage.CSharp), new ProjectSettings()
{
DefaultNamespace = "Target"
});
var converter = sampleTestGeneratorProvider.CreateUnitTestConverter();
// ACT
var code = converter.GenerateUnitTestFixture(document, "TestClassName", "Target.Namespace");
// ASSERT
var inlineDataAttributes = code.Class()
.Members()
.Single(m => m.Name == "SimpleScenarioOutline")
.CustomAttributes()
.Where(a => a.Name == XUnitInlineDataAttribute)
.ToArray();
inlineDataAttributes.Should().ContainSingle(attribute => attribute.ArgumentValues().First() as string == "something");
inlineDataAttributes.Should().ContainSingle(attribute => attribute.ArgumentValues().First() as string == "something else");
inlineDataAttributes.Should().ContainSingle(attribute => attribute.ArgumentValues().First() as string == "another");
inlineDataAttributes.Should().ContainSingle(attribute => attribute.ArgumentValues().First() as string == "and another");
}
public void XUnit2TestGeneratorProvider_ShouldHaveParallelExecutionTrait()
{
var provider = new XUnit2TestGeneratorProvider(new CodeDomHelper(CodeDomProviderLanguage.CSharp), new ProjectSettings()
{
DefaultNamespace = "Target"
});
provider.GetTraits()
.HasFlag(UnitTestGeneratorTraits.ParallelExecution)
.Should()
.BeTrue("trait ParallelExecution was not found");
}
public void Should_set_displayname_theory_attribute()
{
// Arrange
var provider = new XUnit2TestGeneratorProvider(new CodeDomHelper(new CSharpCodeProvider()));
var context = new Generator.TestClassGenerationContext(
unitTestGeneratorProvider: null,
document: new Parser.SpecFlowDocument(
feature: new SpecFlowFeature(
tags: null,
location: null,
language: null,
keyword: null,
name: "",
description: null,
children: null
),
comments: null,
sourceFilePath: null),
ns: null,
testClass: null,
testRunnerField: null,
testClassInitializeMethod: null,
testClassCleanupMethod: null,
testInitializeMethod: null,
testCleanupMethod: null,
scenarioInitializeMethod: null,
scenarioStartMethod: null,
scenarioCleanupMethod: null,
featureBackgroundMethod: null,
generateRowTests: false);
var codeMemberMethod = new CodeMemberMethod();
// Act
provider.SetRowTest(context, codeMemberMethod, "Foo");
// Assert
var modifiedAttribute = codeMemberMethod.CustomAttributes.OfType <CodeAttributeDeclaration>()
.FirstOrDefault(a => a.Name == "Xunit.TheoryAttribute");
Assert.That(modifiedAttribute, Is.Not.Null);
var attribute = modifiedAttribute.Arguments.OfType <CodeAttributeArgument>()
.FirstOrDefault(a => a.Name == "DisplayName");
Assert.That(attribute, Is.Not.Null);
var primitiveExpression = attribute.Value as CodePrimitiveExpression;
Assert.That(primitiveExpression, Is.Not.Null);
Assert.That(primitiveExpression.Value, Is.EqualTo("Foo"));
}
public void XUnit2TestGeneratorProvider_Should_add_testOutputHelper_field_in_class()
{
// ARRANGE
var document = ParseDocumentFromString(SampleFeatureFile);
var provider = new XUnit2TestGeneratorProvider(new CodeDomHelper(CodeDomProviderLanguage.CSharp));
var converter = provider.CreateUnitTestConverter();
// ACT
var code = converter.GenerateUnitTestFixture(document, "TestClassName", "Target.Namespace");
// ASSERT
code.Should().NotBeNull();
var loggerInstance = code.Class().Members.OfType <CodeMemberField>().First(m => m.Name == @"_testOutputHelper");
loggerInstance.Type.BaseType.Should().Be("Xunit.Abstractions.ITestOutputHelper");
loggerInstance.Attributes.Should().Be(MemberAttributes.Private | MemberAttributes.Final);
}
public void Should_add_testOutputHelper_field_in_class()
{
SpecFlowGherkinParser parser = new SpecFlowGherkinParser(new CultureInfo("en-US"));
using (var reader = new StringReader(SampleFeatureFile))
{
SpecFlowDocument document = parser.Parse(reader, null);
Assert.IsNotNull(document);
var provider = new XUnit2TestGeneratorProvider(new CodeDomHelper(CodeDomProviderLanguage.CSharp));
var converter = provider.CreateUnitTestConverter();
CodeNamespace code = converter.GenerateUnitTestFixture(document, "TestClassName", "Target.Namespace");
Assert.IsNotNull(code);
var loggerInstance = code.Class().Members.OfType <CodeMemberField>().First(m => m.Name == @"_testOutputHelper");
loggerInstance.Type.BaseType.Should().Be("Xunit.Abstractions.ITestOutputHelper");
loggerInstance.Attributes.Should().Be(MemberAttributes.Private | MemberAttributes.Final);
}
}
public void XUnit2TestGeneratorProvider_WithFeatureWithNoMatchingTag_ShouldNotAddNonParallelizableCollectionAttribute()
{
// ARRANGE
var document = ParseDocumentFromString(@"
Feature: Sample feature file
Scenario: Simple scenario
Given there is something");
var provider = new XUnit2TestGeneratorProvider(new CodeDomHelper(CodeDomProviderLanguage.CSharp), new ProjectSettings()
{
DefaultNamespace = "Target"
});
var featureGenerator = provider.CreateFeatureGenerator(addNonParallelizableMarkerForTags: new string[] { "nonparallelizable" });
// ACT
var code = featureGenerator.GenerateUnitTestFixture(document, "TestClassName", "Target.Namespace");
// ASSERT
var attributes = code.Class().CustomAttributes().ToArray();
attributes.Should().NotContain(a => a.Name == XUnitCollectionAttribute);
}