public void CreateWithNullContainerWillThrow()
{
// Fixture setup
var sut = new ParameterRequestRelay();
var dummyRequest = new object();
// Exercise system and verify outcome
Assert.Throws<ArgumentNullException>(() =>
sut.Create(dummyRequest, null));
// Teardown
}
public void CreateWithNullRequestWillReturnCorrectResult()
{
// Fixture setup
var sut = new ParameterRequestRelay();
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
var result = sut.Create(null, dummyContainer);
// Verify outcome
var expectedResult = new NoSpecimen();
Assert.Equal(expectedResult, result);
// Teardown
}
public void CreateFromParameterRequestWillReturnNullWhenContainerCannotSatisfyRequest()
{
// Fixture setup
var parameterInfo = typeof(SingleParameterType<string>).GetConstructors().First().GetParameters().First();
var container = new DelegatingSpecimenContext { OnResolve = r => new NoSpecimen(parameterInfo) };
var sut = new ParameterRequestRelay();
// Exercise system
var result = sut.Create(parameterInfo, container);
// Verify outcome
var expectedResult = new NoSpecimen(parameterInfo);
Assert.Equal(expectedResult, result);
// Teardown
}
public void CreateFromNonParameterRequestWillReturnCorrectResult()
{
// Fixture setup
var nonParameterRequest = new object();
var sut = new ParameterRequestRelay();
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
var result = sut.Create(nonParameterRequest, dummyContainer);
// Verify outcome
#pragma warning disable 618
var expectedResult = new NoSpecimen(nonParameterRequest);
#pragma warning restore 618
Assert.Equal(expectedResult, result);
// Teardown
}
public void CreateFromParameterRequestWillCorrectlyInvokeContainer()
{
// Fixture setup
var sut = new ParameterRequestRelay();
var parameterInfo = typeof(SingleParameterType<string>).GetConstructors().First().GetParameters().First();
var expectedRequest = new SeededRequest(parameterInfo.ParameterType, parameterInfo.Name);
var mockVerified = false;
var containerMock = new DelegatingSpecimenContext();
containerMock.OnResolve = r =>
{
Assert.Equal(expectedRequest, r);
mockVerified = true;
return null;
};
// Exercise system
sut.Create(parameterInfo, containerMock);
// Verify outcome
Assert.True(mockVerified, "Mock verification");
// Teardown
}