public void SutIsSpecimenBuilder()
{
// Fixture setup
// Exercise system
var sut = new FiniteSequenceRelay();
// Verify outcome
Assert.IsAssignableFrom<ISpecimenBuilder>(sut);
// Teardown
}
public void CreateWithNullContainerThrows()
{
// Fixture setup
var sut = new FiniteSequenceRelay();
var dummyRequest = new object();
// Exercise system and verify outcome
Assert.Throws<ArgumentNullException>(() =>
sut.Create(dummyRequest, null));
// Teardown
}
public void CreateWithInvalidRequestReturnsCorrectResult(object request)
{
// Fixture setup
var sut = new FiniteSequenceRelay();
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
var result = sut.Create(request, dummyContainer);
// Verify outcome
#pragma warning disable 618
var expectedResult = new NoSpecimen(request);
#pragma warning restore 618
Assert.Equal(expectedResult, result);
// Teardown
}
public void CreateWithFiniteSequenceRequestReturnsCorrectResult()
{
// Fixture setup
var request = new object();
var count = 3;
var manyRequest = new FiniteSequenceRequest(request, count);
var expectedResult = new object();
var container = new DelegatingSpecimenContext { OnResolve = r => request.Equals(r) ? expectedResult : new NoSpecimen() };
var sut = new FiniteSequenceRelay();
// Exercise system
var result = sut.Create(manyRequest, container);
// Verify outcome
var actual = Assert.IsAssignableFrom<IEnumerable<object>>(result);
Assert.True(actual.All(expectedResult.Equals));
// Teardown
}
public void CreateFiltersOmitSpecimenInstances()
{
// Fixture setup
var request = new object();
var count = 3;
var manyRequest = new FiniteSequenceRequest(request, count);
var results = new object[]
{
new object(),
new OmitSpecimen(),
new object()
};
var q = new Queue<object>(results);
var context = new DelegatingSpecimenContext
{
#pragma warning disable 618
OnResolve = r => request.Equals(r) ? q.Dequeue() : new NoSpecimen(r)
#pragma warning restore 618
};
var sut = new FiniteSequenceRelay();
// Exercise system
var actual = sut.Create(manyRequest, context);
// Verify outcome
var iter = Assert.IsAssignableFrom<IEnumerable<object>>(actual);
Assert.True(
results.Where(x => !(x is OmitSpecimen)).SequenceEqual(iter));
// Teardown
}
