public async Task ConvertAsyncShouldReturnNullStreamWhenNotConverted()
{
// Arrange
_engineMock.Setup(e => e.AddConvertWorkItem(It.IsAny <ConvertWorkItemBase>(), It.IsAny <CancellationToken>()))
.Callback <ConvertWorkItemBase, CancellationToken>(
(
i,
_) =>
{
i.TaskCompletionSource.SetResult(false);
});
var document = new HtmlToImageDocument();
// Act
var result = await _sut.ConvertAsync(document, _ => Stream.Null, CancellationToken.None);
// Assert
using (new AssertionScope())
{
_engineMock.Verify(
e =>
e.AddConvertWorkItem(It.IsAny <ConvertWorkItemBase>(), It.IsAny <CancellationToken>()),
Times.Once);
result.Should().BeFalse();
}
}
