public void DefaultSpecificationShouldBeValid()
{
// Arrange
// Act
var sut = new SubstituteRelay();
// Assert
Assert.IsType <AbstractTypeSpecification>(sut.Specification);
}
public void ClassImplementsISpecimenBuilderToServeAsResidueCollector()
{
// Arrange
// Act
var sut = new SubstituteRelay();
// Assert
Assert.IsAssignableFrom <ISpecimenBuilder>(sut);
}
public void CustomSpecificationIsPreserved()
{
// Arrange
var specification = new TrueRequestSpecification();
// Act
var sut = new SubstituteRelay(specification);
// Assert
Assert.Same(specification, sut.Specification);
}
public void CreateThrowsArgumentNullExceptionWhenContextIsNullBecauseItsRequired()
{
// Fixture setup
var sut = new SubstituteRelay();
var request = new object();
// Exercise system
var e = Assert.Throws<ArgumentNullException>(() => sut.Create(request, null));
// Verify outcome
Assert.Equal("context", e.ParamName);
// Teardown
}
public void CreateThrowsArgumentNullExceptionWhenContextIsNullBecauseItsRequired()
{
// Arrange
var sut = new SubstituteRelay();
var request = new object();
// Act
var e = Assert.Throws <ArgumentNullException>(() => sut.Create(request, null));
// Assert
Assert.Equal("context", e.ParamName);
}
public void CreateThrowsArgumentNullExceptionWhenContextIsNullBecauseItsRequired()
{
// Fixture setup
var sut = new SubstituteRelay();
var request = new object();
// Exercise system
var e = Assert.Throws <ArgumentNullException>(() => sut.Create(request, null));
// Verify outcome
Assert.Equal("context", e.ParamName);
// Teardown
}
public void CreateReturnsNoSpecimenWhenRequestedTypeIsNotAbstract()
{
// Fixture setup
var sut = new SubstituteRelay();
object request = typeof(string);
var context = Substitute.For<ISpecimenContext>();
// Exercise system
object result = sut.Create(request, context);
// Verify outcome
var expected = new NoSpecimen(request);
Assert.Equal(expected, result);
// Teardown
}
public void CreateReturnsNoSpecimenWhenRequestedTypeIsNotAbstract()
{
// Arrange
var sut = new SubstituteRelay();
object request = typeof(string);
var context = Substitute.For <ISpecimenContext>();
// Act
object result = sut.Create(request, context);
// Assert
var expected = new NoSpecimen();
Assert.Equal(expected, result);
}
public void CreateReturnsNoSpecimenWhenRequestedTypeIsNotAbstract()
{
// Fixture setup
var sut = new SubstituteRelay();
object request = typeof(string);
var context = Substitute.For <ISpecimenContext>();
// Exercise system
object result = sut.Create(request, context);
// Verify outcome
var expected = new NoSpecimen();
Assert.Equal(expected, result);
// Teardown
}
public void CreateReturnsObjectResolvedFromContextWhenRequestedTypeIsAbstractOrInterface(Type requestedType)
{
// Fixture setup
var sut = new SubstituteRelay();
object request = requestedType;
object substitute = Substitute.For(new Type[] { requestedType }, new object[0]);
var context = Substitute.For<ISpecimenContext>();
context.Resolve(Arg.Is<SubstituteRequest>(r => r.TargetType == requestedType)).Returns(substitute);
// Exercise system
object result = sut.Create(request, context);
// Verify outcome
Assert.Same(substitute, result);
// Teardown
}
public void ShouldNotRelayRequestIfSpecificationDoesNotMatch()
{
// Arrange
var falseSpecification = new FalseRequestSpecification();
var sut = new SubstituteRelay(falseSpecification);
var request = typeof(IInterface);
var context = Substitute.For <ISpecimenContext>();
// Act
var result = sut.Create(request, context);
// Assert
Assert.IsType <NoSpecimen>(result);
}
public void CreateReturnsObjectResolvedFromContextWhenRequestedTypeIsAbstractOrInterface(Type requestedType)
{
// Arrange
var sut = new SubstituteRelay();
object request = requestedType;
object substitute = Substitute.For(new Type[] { requestedType }, new object[0]);
var context = Substitute.For <ISpecimenContext>();
context.Resolve(Arg.Is <SubstituteRequest>(r => r.TargetType == requestedType)).Returns(substitute);
// Act
object result = sut.Create(request, context);
// Assert
Assert.Same(substitute, result);
}
public void CreateReturnsNoSpecimenWhenRequestIsNotAType()
{
// Fixture setup
var sut = new SubstituteRelay();
object request = "beer";
var context = Substitute.For<ISpecimenContext>();
// Exercise system
object result = sut.Create(request, context);
// Verify outcome
#pragma warning disable 618
var expected = new NoSpecimen(request);
#pragma warning restore 618
Assert.Equal(expected, result);
// Teardown
}
public void CreateReturnsNoSpecimenWhenRequestIsNotAType()
{
// Fixture setup
var sut = new SubstituteRelay();
object request = "beer";
var context = Substitute.For <ISpecimenContext>();
// Exercise system
object result = sut.Create(request, context);
// Verify outcome
#pragma warning disable 618
var expected = new NoSpecimen(request);
#pragma warning restore 618
Assert.Equal(expected, result);
// Teardown
}
public void CreateReturnsObjectResolvedFromContextWhenRequestedTypeIsAbstractOrInterface(Type requestedType)
{
// Fixture setup
var sut = new SubstituteRelay();
object request = requestedType;
object substitute = Substitute.For(new Type[] { requestedType }, new object[0]);
var context = Substitute.For <ISpecimenContext>();
context.Resolve(Arg.Is <SubstituteRequest>(r => r.TargetType == requestedType)).Returns(substitute);
// Exercise system
object result = sut.Create(request, context);
// Verify outcome
Assert.Same(substitute, result);
// Teardown
}
public void CreateThrowsInvalidOperationExceptionWhenResolvedObjectIsNotSubstituteAssumingInvalidConfiguration()
{
// Arrange
var sut = new SubstituteRelay();
var request = typeof(IComparable);
var notASubstitute = new object();
var context = Substitute.For <ISpecimenContext>();
context.Resolve(Arg.Any <object>()).Returns(notASubstitute);
// Act
var e = Assert.Throws <InvalidOperationException>(() => sut.Create(request, context));
// Assert
Assert.Contains(request.FullName, e.Message);
Assert.Contains(typeof(SubstituteRequestHandler).FullName, e.Message);
Assert.IsType <NotASubstituteException>(e.InnerException);
}
public void CreateThrowsInvalidOperationExceptionWhenResolvedObjectIsNotSubstituteAssumingInvalidConfiguration()
{
// Fixture setup
var sut = new SubstituteRelay();
var request = typeof(IComparable);
var notASubstitute = new object();
var context = Substitute.For<ISpecimenContext>();
context.Resolve(Arg.Any<object>()).Returns(notASubstitute);
// Exercise system
var e = Assert.Throws<InvalidOperationException>(() => sut.Create(request, context));
// Verify outcome
Assert.Contains(request.FullName, e.Message);
Assert.Contains(typeof(SubstituteRequestHandler).FullName, e.Message);
Assert.IsType<NotASubstituteException>(e.InnerException);
// Teardown
}
