public void CreateFromTypeWillInvokeContainerCorrectly()
{
// Fixture setup
var requestedType = typeof(DoubleParameterType <long, short>);
var parameters = requestedType.GetConstructors().Single().GetParameters();
var mockVerified = false;
var containerMock = new DelegatingSpecimenContainer();
containerMock.OnCreate = r =>
{
if (parameters.Any(r.Equals))
{
mockVerified = true;
var pType = ((ParameterInfo)r).ParameterType;
if (typeof(long) == pType)
{
return(new long());
}
if (typeof(short) == pType)
{
return(new short());
}
}
throw new AssertFailedException("Unexpected container request.");
};
var sut = new ModestConstructorInvoker();
// Exercise system
sut.Create(requestedType, containerMock);
// Verify outcome
Assert.IsTrue(mockVerified, "Mock verification");
// Teardown
}
public void CreateFromTypeWhenParentCanGenerateBothParametersWillReturnCorrectResult()
{
// Fixture setup
var expectedParameterValues = new object[] { 1, 2m };
var parameterQueue = new Queue <object>(expectedParameterValues);
var requestedType = typeof(DoubleParameterType <int, decimal>);
var parameters = requestedType.GetConstructors().Single().GetParameters();
var container = new DelegatingSpecimenContainer();
container.OnCreate = r =>
{
if (parameters.Any(r.Equals))
{
return(parameterQueue.Dequeue());
}
return(null);
};
var sut = new ModestConstructorInvoker();
// Exercise system
var result = sut.Create(requestedType, container);
// Verify outcome
var actual = (DoubleParameterType <int, decimal>)result;
Assert.AreEqual(expectedParameterValues[0], actual.Parameter1, "Create");
Assert.AreEqual(expectedParameterValues[1], actual.Parameter2, "Create");
// Teardown
}
public void CreateWithNullContainerWillThrow()
{
// Fixture setup
var sut = new ModestConstructorInvoker();
// Exercise system
var dummyRequest = new object();
sut.Create(dummyRequest, null);
// Verify outcome (expected exception)
// Teardown
}
public void CreateWithNullRequestWillReturnNull()
{
// Fixture setup
var sut = new ModestConstructorInvoker();
// Exercise system
var dummyContainer = new DelegatingSpecimenContainer();
var result = sut.Create(null, dummyContainer);
// Verify outcome
Assert.IsNull(result, "Create");
// Teardown
}
public void CreateWithNullContainerWillThrow()
{
// Fixture setup
var sut = new ModestConstructorInvoker();
// Exercise system
var dummyRequest = new object();
sut.Create(dummyRequest, null);
// Verify outcome (expected exception)
// Teardown
}
public void CreateFromTypeRequestWhenContainerCannotSatisfyParameterRequestWillReturnNull()
{
// Fixture setup
var type = typeof(string);
var container = new DelegatingSpecimenContainer { OnCreate = r => null };
var sut = new ModestConstructorInvoker();
// Exercise system
var result = sut.Create(type, container);
// Verify outcome
Assert.IsNull(result, "Create");
// Teardown
}
public void CreateWithNullRequestWillReturnNull()
{
// Fixture setup
var sut = new ModestConstructorInvoker();
// Exercise system
var dummyContainer = new DelegatingSpecimenContainer();
var result = sut.Create(null, dummyContainer);
// Verify outcome
Assert.IsNull(result, "Create");
// Teardown
}
public void CreateFromTypeWithNoPublicConstructorWhenContainerCanSatisfyRequestWillReturnNull()
{
// Fixture setup
var container = new DelegatingSpecimenContainer {
OnCreate = r => new object()
};
var sut = new ModestConstructorInvoker();
// Exercise system
var result = sut.Create(typeof(AbstractType), container);
// Verify outcome
Assert.IsNull(result, "Create");
// Teardown
}
public void CreateFromTypeRequestWhenContainerCannotSatisfyParameterRequestWillReturnNull()
{
// Fixture setup
var type = typeof(string);
var container = new DelegatingSpecimenContainer {
OnCreate = r => null
};
var sut = new ModestConstructorInvoker();
// Exercise system
var result = sut.Create(type, container);
// Verify outcome
Assert.IsNull(result, "Create");
// Teardown
}
public void CreateFromTypeWhenParentCanGenerateOneParameterButNotTheOtherWillReturnCorrectNull()
{
// Fixture setup
var requestedType = typeof(DoubleParameterType <string, int>);
var container = new DelegatingSpecimenContainer {
OnCreate = r => typeof(string) == r ? new object() : null
};
var sut = new ModestConstructorInvoker();
// Exercise system
var result = sut.Create(requestedType, container);
// Verify outcome
Assert.IsNull(result, "Create");
// Teardown
}
public void CreateFromTypeWhenParentCanGenerateOneParameterButNotTheOtherWillReturnCorrectNull()
{
// Fixture setup
var requestedType = typeof(DoubleParameterType<string, int>);
var container = new DelegatingSpecimenContainer { OnCreate = r => typeof(string) == r ? new object() : null };
var sut = new ModestConstructorInvoker();
// Exercise system
var result = sut.Create(requestedType, container);
// Verify outcome
Assert.IsNull(result, "Create");
// Teardown
}
public void CreateFromTypeWithNoPublicConstructorWhenContainerCanSatisfyRequestWillReturnNull()
{
// Fixture setup
var container = new DelegatingSpecimenContainer { OnCreate = r => new object() };
var sut = new ModestConstructorInvoker();
// Exercise system
var result = sut.Create(typeof(AbstractType), container);
// Verify outcome
Assert.IsNull(result, "Create");
// Teardown
}
public void CreateFromTypeWillInvokeContainerCorrectly()
{
// Fixture setup
var requestedType = typeof(DoubleParameterType<long, short>);
var parameters = requestedType.GetConstructors().Single().GetParameters();
var mockVerified = false;
var containerMock = new DelegatingSpecimenContainer();
containerMock.OnCreate = r =>
{
if (parameters.Any(r.Equals))
{
mockVerified = true;
var pType = ((ParameterInfo)r).ParameterType;
if (typeof(long) == pType)
{
return new long();
}
if (typeof(short) == pType)
{
return new short();
}
}
throw new AssertFailedException("Unexpected container request.");
};
var sut = new ModestConstructorInvoker();
// Exercise system
sut.Create(requestedType, containerMock);
// Verify outcome
Assert.IsTrue(mockVerified, "Mock verification");
// Teardown
}
public void CreateFromTypeWhenParentCanGenerateBothParametersWillReturnCorrectResult()
{
// Fixture setup
var expectedParameterValues = new object[] { 1, 2m };
var parameterQueue = new Queue<object>(expectedParameterValues);
var requestedType = typeof(DoubleParameterType<int, decimal>);
var parameters = requestedType.GetConstructors().Single().GetParameters();
var container = new DelegatingSpecimenContainer();
container.OnCreate = r =>
{
if (parameters.Any(r.Equals))
{
return parameterQueue.Dequeue();
}
return null;
};
var sut = new ModestConstructorInvoker();
// Exercise system
var result = sut.Create(requestedType, container);
// Verify outcome
var actual = (DoubleParameterType<int, decimal>)result;
Assert.AreEqual(expectedParameterValues[0], actual.Parameter1, "Create");
Assert.AreEqual(expectedParameterValues[1], actual.Parameter2, "Create");
// Teardown
}