public void InvokeAsync_DelegatesToInstanceFactoryAndMethodInvoker()
{
// Arrange
object expectedInstance = new object();
object[] expectedArguments = new object[0];
IFunctionInstanceEx functionInstance = new Mock <IFunctionInstanceEx>().Object;
Mock <IJobInstanceFactory <object> > instanceFactoryMock = new Mock <IJobInstanceFactory <object> >(MockBehavior.Strict);
instanceFactoryMock.Setup(f => f.Create(It.IsAny <IFunctionInstanceEx>()))
.Returns(expectedInstance)
.Verifiable();
IJobInstanceFactory <object> instanceFactory = instanceFactoryMock.Object;
Mock <IMethodInvoker <object, object> > methodInvokerMock = new Mock <IMethodInvoker <object, object> >(MockBehavior.Strict);
methodInvokerMock.Setup(i => i.InvokeAsync(expectedInstance, expectedArguments))
.Returns(Task.FromResult <object>(null))
.Verifiable();
IMethodInvoker <object, object> methodInvoker = methodInvokerMock.Object;
IFunctionInvokerEx product = CreateProductUnderTest(instanceFactory, methodInvoker);
// Act
var instance = product.CreateInstance(functionInstance);
product.InvokeAsync(instance, expectedArguments).GetAwaiter().GetResult();
// Assert
instanceFactoryMock.VerifyAll();
methodInvokerMock.VerifyAll();
}
private static FunctionInvoker <TReflected, TReturnValue> CreateProductUnderTest <TReflected, TReturnValue>(
IReadOnlyList <string> parameterNames,
IJobInstanceFactory <TReflected> instanceFactory,
IMethodInvoker <TReflected, TReturnValue> methodInvoker)
{
return(new FunctionInvoker <TReflected, TReturnValue>(parameterNames, instanceFactory, methodInvoker));
}
public FunctionInvoker(
IReadOnlyList <string> parameterNames,
IJobInstanceFactory <TReflected> instanceFactory,
IMethodInvoker <TReflected, TReturnValue> methodInvoker)
{
_parameterNames = parameterNames ?? throw new ArgumentNullException(nameof(parameterNames));
_instanceFactory = instanceFactory ?? throw new ArgumentNullException(nameof(instanceFactory));
_methodInvoker = methodInvoker ?? throw new ArgumentNullException(nameof(methodInvoker));
}
public void Create_ReturnsNull()
{
// Arrange
IJobInstanceFactory <object> product = CreateProductUnderTest <object>();
var functionInstanceMock = new Mock <IFunctionInstanceEx>();
// Act
object instance = product.Create(functionInstanceMock.Object);
// Assert
Assert.Null(instance);
}
private static IFunctionInvoker CreateGeneric <TReflected, TReturnValue>(
MethodInfo method,
IJobActivator activator)
{
Debug.Assert(method != null);
List <string> parameterNames = method.GetParameters().Select(p => p.Name).ToList();
IMethodInvoker <TReflected, TReturnValue> methodInvoker = MethodInvokerFactory.Create <TReflected, TReturnValue>(method);
IJobInstanceFactory <TReflected> instanceFactory = CreateInstanceFactory <TReflected>(method, activator);
return(new FunctionInvoker <TReflected, TReturnValue>(parameterNames, instanceFactory, methodInvoker));
}
public void Create_DelegatesToJobActivator()
{
// Arrange
object expectedInstance = new object();
Mock<IJobActivator> activatorMock = new Mock<IJobActivator>(MockBehavior.Strict);
activatorMock.Setup(a => a.CreateInstance<object>())
.Returns(expectedInstance)
.Verifiable();
IJobActivator activator = activatorMock.Object;
IJobInstanceFactory<object> product = CreateProductUnderTest<object>(activator);
var functionInstanceMock = new Mock<IFunctionInstanceEx>();
// Act
object instance = product.Create(functionInstanceMock.Object);
// Assert
Assert.Same(expectedInstance, instance);
activatorMock.Verify();
}
private static FunctionInvoker <object, object> CreateProductUnderTest(IJobInstanceFactory <object> instanceFactory,
IMethodInvoker <object, object> methodInvoker)
{
return(CreateProductUnderTest <object, object>(new string[0], instanceFactory, methodInvoker));
}