public void WhenInvokeMethodContextHasResultSetAndThenExceptionItShouldHaveExceptionAndNoResult()
{
// Given
var method = typeof(InvokeMethodTests).GetMethod(nameof(WhenInvokeMethodContextIsCreatedItShouldNotHaveResult)) !;
var parameters = new object[0];
var context = new InvokeMethodContext(
method,
parameters,
this);
var exception = new Exception();
var result = new object();
// When
context.SetResult(result);
context.SetException(exception);
// Then
context.HasResult.Should().BeFalse();
context.Result.Should().BeNull();
context.HasException.Should().BeTrue();
context.Exception.Should().BeSameAs(exception);
}
public void WhenInvokeMethodContextIsNotSetTypedReturnShouldFail()
{
// Given
var method = typeof(InvokeMethodTests).GetMethod(nameof(WhenInvokeMethodContextIsCreatedItShouldNotHaveResult)) !;
var parameters = new object[0];
var context = new InvokeMethodContext(
method,
parameters,
this);
// Then
Action action = () => context.Return <int>();
action.Should()
.Throw <InvokeMethodWithoutResultException>();
}
public static async Task CallAsyncFunc(InvokeMethodContext context, CancellationToken cancellationToken)
{
try
{
var task = (Task)context.Method.Invoke(
obj: context.Instance,
parameters: context.Parameters) !;
await task;
var taskType = task.GetType();
if (taskType.IsGenericType && taskType.GetGenericTypeDefinition() == typeof(Task <>))
{
var property = TaskResultPropertyCache
.GetOrAdd(taskType, t => taskType.GetProperty(
name: nameof(Task <string> .Result),
bindingAttr: BindingFlags.Public | BindingFlags.Instance,
binder: default,
public static void CallSyncFunc(InvokeMethodContext context)
{
try
{
var result = context.Method.Invoke(
obj: context.Instance,
parameters: context.Parameters);
context.SetResult(result);
}
catch (TargetInvocationException exception)
{
context.SetException(exception.InnerException ?? exception);
}
catch (Exception exception)
{
context.SetException(exception);
}
}
public void WhenInvokeMethodContextHasResultTypedReturnShouldNotFail()
{
// Given
var method = typeof(InvokeMethodTests).GetMethod(nameof(WhenInvokeMethodContextIsCreatedItShouldNotHaveResult)) !;
var parameters = new object[0];
var context = new InvokeMethodContext(
method,
parameters,
this);
var result = 42;
// When
context.SetResult(result);
// Then
context.Return <int>().Should().Be(42);
}
public void WhenInvokeMethodContextIsCreatedItShouldNotHaveResult()
{
// Given
var method = typeof(InvokeMethodTests).GetMethod(nameof(WhenInvokeMethodContextIsCreatedItShouldNotHaveResult)) !;
var parameters = new object[0];
var context = new InvokeMethodContext(
method,
parameters,
this);
// Then
context.Method.Should().BeSameAs(method);
context.Parameters.Should().BeSameAs(parameters);
context.Instance.Should().BeSameAs(this);
context.HasResult.Should().BeFalse();
context.Result.Should().BeNull();
context.HasException.Should().BeFalse();
context.Exception.Should().BeNull();
}
public void WhenInvokeMethodContextHasExceptionTypedReturnShouldFail()
{
// Given
var method = typeof(InvokeMethodTests).GetMethod(nameof(WhenInvokeMethodContextIsCreatedItShouldNotHaveResult)) !;
var parameters = new object[0];
var context = new InvokeMethodContext(
method,
parameters,
this);
var exception = new FormatException();
// When
context.SetException(exception);
// Then
Action action = () => context.Return <int>();
action.Should()
.Throw <TargetInvocationException>()
.WithInnerException <FormatException>();
}