public void SutIsRecursionGuard()
{
// Fixture setup
// Exercise system
var sut = new NullRecursionGuard(new DelegatingSpecimenBuilder());
// Verify outcome
Assert.IsAssignableFrom<RecursionGuard>(sut);
// Teardown
}
public void ComposeRetainsComparer()
{
// Fixture setup
var dummyBuilder = new DelegatingSpecimenBuilder();
var expected = new DelegatingEqualityComparer();
var sut = new NullRecursionGuard(dummyBuilder, expected);
// Exercise system
var actual = sut.Compose(new ISpecimenBuilder[0]);
// Verify outcome
var rg = Assert.IsAssignableFrom<NullRecursionGuard>(actual);
Assert.Equal(expected, rg.Comparer);
// Teardown
}
public void ComposeSingleItemReturnsCorrectResult()
{
// Fixture setup
var dummyBuilder = new DelegatingSpecimenBuilder();
var sut = new NullRecursionGuard(dummyBuilder);
// Exercise system
var expected = new DelegatingSpecimenBuilder();
var actual = sut.Compose(new[] { expected });
// Verify outcome
var rg = Assert.IsAssignableFrom<NullRecursionGuard>(actual);
Assert.Equal(expected, rg.Builder);
// Teardown
}
public void ReturnsNullAtRecursionPoint()
{
// Fixture setup
var builder = new DelegatingSpecimenBuilder();
builder.OnCreate = (r, c) => c.Resolve(r);
var sut = new NullRecursionGuard(builder);
var container = new DelegatingSpecimenContext();
container.OnResolve = r => sut.Create(r, container); // Provoke recursion
// Exercise system
object res = sut.Create(Guid.NewGuid(), container);
Assert.Null(res);
}
public void ComposeReturnsCorrectResult()
{
// Fixture setup
var dummyBuilder = new DelegatingSpecimenBuilder();
var sut = new NullRecursionGuard(dummyBuilder);
// Exercise system
var expectedBuilders = new[]
{
new DelegatingSpecimenBuilder(),
new DelegatingSpecimenBuilder(),
new DelegatingSpecimenBuilder()
};
var actual = sut.Compose(expectedBuilders);
// Verify outcome
var rg = Assert.IsAssignableFrom<NullRecursionGuard>(actual);
var composite = Assert.IsAssignableFrom<CompositeSpecimenBuilder>(rg.Builder);
Assert.True(expectedBuilders.SequenceEqual(composite));
// Teardown
}