public void ComposeReturnsCorrectResult()
{
// Fixture setup
var targetType = typeof(string);
var factory = new DelegatingSpecimenBuilder();
var sut = new TypedBuilderComposer(targetType, factory);
// Exercise system
var result = sut.Compose();
// Verify outcome
var filter = Assert.IsAssignableFrom <FilteringSpecimenBuilder>(result);
var orSpec = Assert.IsAssignableFrom <OrRequestSpecification>(filter.Specification);
Assert.Equal(targetType, orSpec.Specifications.OfType <SeedRequestSpecification>().Single().TargetType);
Assert.Equal(targetType, orSpec.Specifications.OfType <ExactTypeSpecification>().Single().TargetType);
var composite = Assert.IsAssignableFrom <CompositeSpecimenBuilder>(filter.Builder);
var outputGuard = Assert.IsAssignableFrom <NoSpecimenOutputGuard>(composite.Builders.First());
Assert.IsAssignableFrom <SeedIgnoringRelay>(composite.Builders.Last());
Assert.Equal(factory, outputGuard.Builder);
var inverseSpec = Assert.IsAssignableFrom <InverseRequestSpecification>(outputGuard.Specification);
var seedSpec = Assert.IsAssignableFrom <SeedRequestSpecification>(inverseSpec.Specification);
Assert.Equal(targetType, seedSpec.TargetType);
// Teardown
}
/// <summary>
/// Customizes the specified fixture by modifying <see cref="TargetType"/> to use
/// <see cref="Query"/> as the strategy for creating new specimens.
/// </summary>
/// <param name="fixture">The fixture to customize.</param>
public void Customize(IFixture fixture)
{
if (fixture == null)
{
throw new ArgumentNullException("fixture");
}
var factory = new MethodInvoker(this.Query);
var composer = new TypedBuilderComposer(this.TargetType, factory);
fixture.Customizations.Insert(0, composer.Compose());
}