public async Task When_TCS_is_null_and_we_validate_to_not_complete_it_should_fail()
{
// Arrange
TaskCompletionSource <bool> subject = null;
// Act
Func <Task> action = () => subject.Should().NotCompleteWithinAsync(1.Seconds(), "test {0}", "testArg");
// Assert
await action.Should().ThrowAsync <XunitException>()
.WithMessage("Expected subject to not complete within 1s because test testArg, but found <null>.");
}
public async Task When_TCS_is_null_it_should_fail()
{
// Arrange
TaskCompletionSource <bool> subject = null;
// Act
Func <Task> action = () => subject.Should().CompleteWithinAsync(1.Seconds());
// Assert
await action.Should().ThrowAsync <XunitException>()
.WithMessage("Expected subject to complete within 1s, but found <null>.");
}
public async Task When_TCS_did_not_complete_in_time_and_it_is_not_expected_it_should_succeed()
{
// Arrange
var subject = new TaskCompletionSource <bool>();
var timer = new FakeClock();
// Act
Func <Task> action = () => subject.Should(timer).NotCompleteWithinAsync(1.Seconds());
timer.Complete();
// Assert
await action.Should().NotThrowAsync();
}
public async Task When_TCS_did_not_complete_in_time_it_should_fail()
{
// Arrange
var subject = new TaskCompletionSource <bool>();
var timer = new FakeClock();
// Act
Func <Task> action = () => subject.Should(timer).CompleteWithinAsync(1.Seconds(), "test {0}", "testArg");
timer.Complete();
// Assert
await action.Should().ThrowAsync <XunitException>()
.WithMessage("Expected subject to complete within 1s because test testArg.");
}
public async Task When_TCS_completes_in_time_and_async_result_is_expected_it_should_succeed()
{
// Arrange
var subject = new TaskCompletionSource <int>();
var timer = new FakeClock();
// Act
Func <Task> action = () => subject.Should(timer).CompleteWithinAsync(1.Seconds()).WithResult(42);
subject.SetResult(42);
timer.Complete();
// Assert
await action.Should().NotThrowAsync();
}
public async Task When_TCS_completes_in_time_and_it_is_not_expected_it_should_fail()
{
// Arrange
var subject = new TaskCompletionSource <bool>();
var timer = new FakeClock();
// Act
Func <Task> action = () => subject.Should(timer).NotCompleteWithinAsync(1.Seconds(), "test {0}", "testArg");
subject.SetResult(true);
timer.Complete();
// Assert
await action.Should().ThrowAsync <XunitException>().WithMessage("*to not complete within*because test testArg*");
}
public async Task When_TCS_completes_in_time_and_async_result_is_not_expected_it_should_fail()
{
// Arrange
var testSubject = new TaskCompletionSource <int>();
var timer = new FakeClock();
// Act
Func <Task> action = () => testSubject.Should(timer).CompleteWithinAsync(1.Seconds()).WithResult(42);
testSubject.SetResult(99);
timer.Complete();
// Assert
await action.Should().ThrowAsync <XunitException>()
.WithMessage("Expected testSubject to be 42, but found 99.");
}
public async Task When_should_is_passed_argument_context_should_still_be_found()
{
// Arrange
var bob = new TaskCompletionSource <bool>();
var timer = new FakeClock();
// Act
Func <Task> action = () => bob.Should(timer).NotCompleteWithinAsync(1.Seconds(), "test {0}", "testArg");
bob.SetResult(true);
timer.Complete();
// Assert
await action.Should().ThrowAsync <XunitException>()
.WithMessage("Expected bob to not complete within 1s because test testArg.");
}
