public void CreateWillNotTrackFilteredRequest()
{
// Fixture setup
object tracked = null;
object requestedObject = new object();
var sut = new DelegatingTracingBuilder();
sut.Filter = new DelegatingRequestSpecification {
OnIsSatisfiedBy = r => false
};
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
sut.Create(requestedObject, dummyContainer);
// Verify outcome
Assert.Null(tracked);
// Teardown
}
public void ExecuteDoesNotAssignFieldWhenSpecificationIsNotSatisfied()
{
// Fixture setup
var spec = new DelegatingRequestSpecification {
OnIsSatisfiedBy = r => false
};
var sut = new AutoPropertiesCommand <FieldHolder <object> >(spec);
var specimen = new FieldHolder <object>();
var container = new DelegatingSpecimenContext {
OnResolve = r => new object()
};
// Exercise system
sut.Execute((object)specimen, container);
// Verify outcome
Assert.Null(specimen.Field);
// Teardown
}
public void ExecuteWillQuerySpecificationWithCorrectFieldInfo()
{
// Fixture setup
var expectedFieldInfo = typeof(FieldHolder <string>).GetField("Field");
var verified = false;
var specMock = new DelegatingRequestSpecification {
OnIsSatisfiedBy = r => verified = expectedFieldInfo.Equals(r)
};
var sut = new AutoPropertiesCommand <FieldHolder <string> >(specMock);
// Exercise system
var specimen = new FieldHolder <string>();
var dummyContainer = new DelegatingSpecimenContext();
sut.Execute((object)specimen, dummyContainer);
// Verify outcome
Assert.True(verified, "Mock verified");
// Teardown
}
public void CreateFromMatchingRequestReturnsCorrectResult(
Type from,
Type to)
{
// Fixture setup
var sut = new TypeRelay(from, to);
var expected = new object();
var context = new DelegatingSpecimenContext
{
OnResolve = r => to.Equals(r) ? expected : new object()
};
// Exercise system
var actual = sut.Create(from, context);
// Verify outcome
Assert.Equal(expected, actual);
// Teardown
}
public void ExecuteSetsCorrectFieldOnSpecimenWhenAnonymousValueIsImplied()
{
// Arrange
var expectedValue = new object();
var expectedRequest = typeof(FieldHolder <object>).GetField("Field");
var context = new DelegatingSpecimenContext
{
OnResolve = r => expectedRequest.Equals(r) ? expectedValue : new NoSpecimen()
};
var sut = new BindingCommand <FieldHolder <object>, object>(ph => ph.Field);
var specimen = new FieldHolder <object>();
// Act
sut.Execute((object)specimen, context);
// Assert
Assert.Equal(expectedValue, specimen.Field);
}
public void CreateConvertsEnumerableToCorrectGenericType()
{
// Arrange
var request = typeof(IEnumerable <int>);
var expectedRequest = new MultipleRequest(typeof(int));
var enumerable = Enumerable.Range(1, 3).Cast <object>();
var context = new DelegatingSpecimenContext {
OnResolve = r => expectedRequest.Equals(r) ? (object)enumerable : new NoSpecimen()
};
var sut = new EnumerableRelay();
// Act
var result = sut.Create(request, context);
// Assert
var e = Assert.IsAssignableFrom <IEnumerable <int> >(result);
Assert.True(enumerable.Cast <int>().SequenceEqual(e));
}
public void CreateWithReturnValueParameterlessDelegateRequestReturnsDelegateReturningValueSpecimen()
{
// Fixture setup
var delegateRequest = typeof(Func <int>);
var expectedResult = 3;
var sut = new DelegateGenerator();
// Exercise system
var dummyContainer = new DelegatingSpecimenContext
{
OnResolve = arg => expectedResult
};
var result = sut.Create(delegateRequest, dummyContainer);
// Verify outcome
var actualResult = ((Func <int>)result).Invoke();
Assert.Equal(expectedResult, actualResult);
// Teardown
}
public void DecoratedDisposableResultIsOnlyAddedToDisposablesOnce()
{
// Fixture setup
var disposable = new DisposableSpy();
var builder = new DelegatingSpecimenBuilder {
OnCreate = (r, c) => disposable
};
var sut = new DisposableTracker(builder);
// Exercise system
var dummyRequest = new object();
var dummyContext = new DelegatingSpecimenContext();
sut.Create(dummyRequest, dummyContext);
sut.Create(dummyRequest, dummyContext);
// Verify outcome
Assert.Equal(1, sut.Disposables.Count(d => d == disposable));
// Teardown
}
public void NonTypedUsesExplicitlySpecifiedTypeForFieldsAndPropertiesResolve()
{
// Arrange
var sut = new AutoPropertiesCommand(typeof(object));
var dummyPropertyValue = new object();
var context = new DelegatingSpecimenContext {
OnResolve = r => dummyPropertyValue
};
var specimen = new PropertyHolder <object>();
// Act
sut.Execute(specimen, context);
// Assert
Assert.NotEqual(dummyPropertyValue, specimen.Property);
}
public void CreateReturnsCorrectResultWhenSpecificationIsNotSatisfied()
{
// Fixture setup
var spec = new DelegatingRequestSpecification {
OnIsSatisfiedBy = r => false
};
var dummyBuilder = new DelegatingSpecimenBuilder();
var sut = new FilteringSpecimenBuilder(dummyBuilder, spec);
var request = new object();
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
var result = sut.Create(request, dummyContainer);
// Verify outcome
var expectedResult = new NoSpecimen();
Assert.Equal(expectedResult, result);
// Teardown
}
public void SpecificationReceivesCorrectRequest()
{
// Arrange
var expectedRequest = new object();
var verified = false;
var specMock = new DelegatingRequestSpecification {
OnIsSatisfiedBy = r => verified = expectedRequest == r
};
var dummyBuilder = new DelegatingSpecimenBuilder();
var sut = new FilteringSpecimenBuilder(dummyBuilder, specMock);
// Act
var dummyContainer = new DelegatingSpecimenContext();
sut.Create(expectedRequest, dummyContainer);
// Assert
Assert.True(verified, "Mock verified");
}
public void CreateFromMultipleSeededRequestWithNonTypeRequestReturnsCorrectResult(
object innerRequest)
{
// Fixture setup
var sut = new MultipleToEnumerableRelay();
var request = new MultipleRequest(
new SeededRequest(
innerRequest,
new object()));
// Exercise system
var dummyContext = new DelegatingSpecimenContext();
var actual = sut.Create(request, dummyContext);
// Verify outcome
var expected = new NoSpecimen();
Assert.Equal(expected, actual);
// Teardown
}
public void CreateWithCorrectSeedWillReturnCorrectResult()
{
// Fixture setup
var seed = 7m;
var seededRequest = new SeededRequest(typeof(decimal), seed);
var expectedResult = 3m;
Func <decimal, decimal> factoryStub = s => s == seed ? expectedResult : 0m;
var sut = new SeededFactory <decimal>(factoryStub);
// Exercise system
var dummyContext = new DelegatingSpecimenContext();
var result = sut.Create(seededRequest, dummyContext);
// Verify outcome
Assert.Equal(expectedResult, result);
// Teardown
}
public void CreateWillPassThroughToDecoratedBuilder()
{
// Fixture setup
object expectedSpecimen = Guid.NewGuid();
var decoratedBuilder = new DelegatingSpecimenBuilder {
OnCreate = (r, c) => r
};
var sut = new DelegatingTracingBuilder(decoratedBuilder);
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
object result = sut.Create(expectedSpecimen, dummyContainer);
// Verify outcome
Assert.Equal(expectedSpecimen, result);
// Teardown
}
public void ExceptionWithCorrectMessageIsThrownIfCreationFails()
{
// Fixture setup
var request = new object();
var builder = new DelegatingSpecimenBuilder
{
OnCreate = (r, c) => throw new Exception()
};
var sut = new TerminatingWithPathSpecimenBuilder(builder);
var context = new DelegatingSpecimenContext();
// Exercise system and verify outcome
var actualException = Assert.ThrowsAny <ObjectCreationException>(() => sut.Create(request, context));
Assert.Contains("failed with exception", actualException.Message);
// Teardown
}
public void ExecuteWillAssignCorrectPropertyValue()
{
// Fixture setup
var expectedPropertyValue = new object();
var container = new DelegatingSpecimenContext {
OnResolve = r => expectedPropertyValue
};
var sut = new AutoPropertiesCommand <PropertyHolder <object> >();
var specimen = new PropertyHolder <object>();
// Exercise system
sut.Execute((object)specimen, container);
// Verify outcome
Assert.Equal(expectedPropertyValue, specimen.Property);
// Teardown
}
public void CreateWillTrackCreatedSpecimen()
{
// Fixture setup
object tracked = null;
object createdSpecimen = Guid.NewGuid();
var container = new DelegatingSpecimenContext {
OnResolve = r => createdSpecimen
};
var sut = new DelegatingTracingBuilder();
// Exercise system
object res = sut.Create(new object(), container);
// Verify outcome
Assert.Equal(res, tracked);
// Teardown
}
public void InnerBuilderExceptionIsWrappedByCreationException()
{
// Arrange
var request = new object();
var exception = new Exception();
var builder = new DelegatingSpecimenBuilder
{
OnCreate = (r, c) => throw exception
};
var sut = new TerminatingWithPathSpecimenBuilder(builder);
var context = new DelegatingSpecimenContext();
// Act & assert
var actualEx = Assert.ThrowsAny <ObjectCreationException>(() => sut.Create(request, context));
Assert.Same(exception, actualEx.InnerException);
}
public void CreateWillReturnCorrectResult()
{
// Arrange
var expectedSpecimen = new object();
var stubBuilder = new DelegatingSpecimenBuilder
{
OnCreate = (r, c) => expectedSpecimen
};
var sut = new TerminatingWithPathSpecimenBuilder(stubBuilder);
// Act
var dummyRequest = new object();
var dummyContainer = new DelegatingSpecimenContext();
var result = sut.Create(dummyRequest, dummyContainer);
// Assert
Assert.Equal(expectedSpecimen, result);
}
public void SpecimenFormatterIsGivenCorrectTextWriter()
{
// Fixture setup
var expectedWriter = new StringWriter();
var sut = new TraceWriter(expectedWriter, new DelegatingTracingBuilder());
bool verified = false;
sut.TraceSpecimenFormatter = (tw, r, i) => verified = tw == expectedWriter;
// Exercise system
var dummyRequest = new object();
var dummyContainer = new DelegatingSpecimenContext();
sut.Create(dummyRequest, dummyContainer);
// Verify outcome
Assert.True(verified);
// Teardown
}
public void CreateInvokesDecoratedBuilderWithCorrectParametersOnSutWithDoubleAction()
{
// Arrange
var expectedRequest = new object();
var expectedContainer = new DelegatingSpecimenContext();
var verified = false;
var builderMock = new DelegatingSpecimenBuilder {
OnCreate = (r, c) => verified = r == expectedRequest && c == expectedContainer
};
var dummyCommand = new DelegatingSpecimenCommand();
var sut = new Postprocessor <bool>(builderMock, dummyCommand);
// Act
sut.Create(expectedRequest, expectedContainer);
// Assert
Assert.True(verified, "Mock verified");
}
public void CreateWithNonEnumerableParameterRequestReturnsCorrectResult(
Type argumentType)
{
var parameterInfo =
typeof(SingleParameterType <>)
.MakeGenericType(new[] { argumentType })
.GetConstructors()
.First()
.GetParameters()
.First();
var sut = new OmitArrayParameterRequestRelay();
var dummyContext = new DelegatingSpecimenContext();
var actual = sut.Create(parameterInfo, dummyContext);
var expected = new NoSpecimen();
Assert.Equal(expected, actual);
}
public void CreateWillInvokeDecoratedBuilderWithCorrectParameters()
{
// Arrange
var expectedRequest = new object();
var expectedContainer = new DelegatingSpecimenContext();
var verified = false;
var mockBuilder = new TracingBuilder(new DelegatingSpecimenBuilder {
OnCreate = (r, c) => verified = expectedRequest == r && expectedContainer == c
});
var dummyWriter = TextWriter.Null;
var sut = new TraceWriter(dummyWriter, mockBuilder);
// Act
sut.Create(expectedRequest, expectedContainer);
// Assert
Assert.True(verified, "Mock verified");
}
public void CreateReturnsResultFromDecoratedBuilder()
{
// Arrange
var request = new object();
var ctx = new DelegatingSpecimenContext();
var expectedResult = new object();
var builder = new DelegatingSpecimenBuilder
{
OnCreate = (r, c) => (r == request) && (c == ctx) ? expectedResult : new NoSpecimen()
};
var sut = new DisposableTracker(builder);
// Act
var result = sut.Create(request, ctx);
// Assert
Assert.Equal(expectedResult, result);
}
public void DisposeRemovesAllDisposables()
{
// Arrange
var builder = new DelegatingSpecimenBuilder {
OnCreate = (r, c) => new DisposableSpy()
};
var sut = new DisposableTracker(builder);
var dummyRequest = new object();
var dummyContext = new DelegatingSpecimenContext();
sut.Create(dummyRequest, dummyContext);
sut.Create(dummyRequest, dummyContext);
sut.Create(dummyRequest, dummyContext);
// Act
sut.Dispose();
// Assert
Assert.Empty(sut.Disposables);
}
public void IgnoresRequestIfGenericTypeDoesNotMatchExactly()
{
// Arrange
var from = typeof(IEnumerable <>);
var to = typeof(List <>);
var sut = new TypeRelay(from, to);
var request = typeof(int[]);
var dummyContext = new DelegatingSpecimenContext
{
OnResolve = _ => new object()
};
// Act
var result = sut.Create(request, dummyContext);
// Assert
Assert.IsType <NoSpecimen>(result);
}
public void ShouldWrapObjectCreationExceptionsFromInnerBuilders()
{
// Arrange
var request = new object();
var exceptionToThrow = new ObjectCreationException("Creation failed.");
var builder = new DelegatingSpecimenBuilder
{
OnCreate = (r, c) => throw exceptionToThrow
};
var sut = new TerminatingWithPathSpecimenBuilder(builder);
var context = new DelegatingSpecimenContext();
// Act & assert
var actualEx = Assert.ThrowsAny <ObjectCreationException>(() => sut.Create(request, context));
Assert.NotEqual(exceptionToThrow, actualEx);
}
public void CreateWillInvokeDecoratedBuilderWithCorrectParameters()
{
// Arrange
var expectedRequest = new object();
var expectedContainer = new DelegatingSpecimenContext();
var verified = false;
var mockBuilder = new DelegatingSpecimenBuilder
{
OnCreate = (r, c) => verified = expectedRequest == r && expectedContainer == c
};
var sut = new TerminatingWithPathSpecimenBuilder(mockBuilder);
// Act
sut.Create(expectedRequest, expectedContainer);
// Assert
Assert.True(verified, "Mock verified");
}
public void CreateWillReturnCorrectResult()
{
// Fixture setup
var expectedSpecimen = new object();
var stubBuilder = new TracingBuilder(new DelegatingSpecimenBuilder {
OnCreate = (r, c) => expectedSpecimen
});
var dummyWriter = TextWriter.Null;
var sut = new TraceWriter(dummyWriter, stubBuilder);
// Exercise system
var dummyRequest = new object();
var dummyContainer = new DelegatingSpecimenContext();
var result = sut.Create(dummyRequest, dummyContainer);
// Verify outcome
Assert.Equal(expectedSpecimen, result);
// Teardown
}
public void InnerBuilderExceptionIsWrappedByCreationException()
{
// Fixture setup
var request = new object();
var exception = new Exception();
var builder = new DelegatingSpecimenBuilder
{
OnCreate = (r, c) => throw exception
};
var sut = new TerminatingWithPathSpecimenBuilder(builder);
var context = new DelegatingSpecimenContext();
// Exercise system and verify outcome
var actualEx = Assert.ThrowsAny <ObjectCreationException>(() => sut.Create(request, context));
Assert.Same(exception, actualEx.InnerException);
// Teardown
}