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POVerifying a mocked method uses specific CancellationTokenSouce which is also mocked
 

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  1. POVerifying a mocked method uses specific CancellationTokenSouce which is also mocked
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    <p>Im trying to verify that a specific CancellationTokenSource is used as an actual parameter in a method call.</p> <pre><code> public void DataVerification(Object sender, EventArgs e) { _entity.PopulateEntityDataVerificationStage(_view.DataTypeInputs, _view.ColumnNameInputs, _view.InitialRow, _view.FinalRow, _view.CurrencyPair, _view.CsvFilePath, _view.ErrorLogFilePath); //... CancellationTokenSource tempCsvFileVerificationCancellation = new CancellationTokenSource(); _source.Source = tempCsvFileVerificationCancellation; //Want to verify that TempCsvFileVerificationCancellation.Token is passed into the following method. _verify.SetupCsvFileVerification(_entity, tempCsvFileVerificationCancellation.Token); //... } </code></pre> <p>The following is my test:</p> <pre><code> [Test] public void DataVerification_SetupCsvFileVerification_CorrectInputs() { Mock&lt;IMainForm&gt; view = new Mock&lt;IMainForm&gt;(); Mock&lt;IUserInputEntity&gt; entity = new Mock&lt;IUserInputEntity&gt;(); Mock&lt;ICsvFileVerification&gt; verify = new Mock&lt;ICsvFileVerification&gt;(); verify.Setup(x =&gt; x.SetupCsvFileVerification(It.IsAny&lt;UserInputEntity&gt;(), It.IsAny&lt;CancellationToken&gt;())); CancellationTokenSource cts = new CancellationTokenSource(); Mock&lt;ICancellationTokenSource&gt; source = new Mock&lt;ICancellationTokenSource&gt;(); source.SetupSet(x =&gt; x.Source = It.IsAny&lt;CancellationTokenSource&gt;()).Callback&lt;CancellationTokenSource&gt;(value =&gt; cts = value); source.SetupGet(x =&gt; x.Source).Returns(cts); source.SetupGet(x =&gt; x.Token).Returns(cts.Token); MainPresenter presenter = new MainPresenter(view.Object, entity.Object, verify.Object, source.Object); presenter.DataVerification(new object(), new EventArgs()); verify.Verify(x =&gt; x.SetupCsvFileVerification(entity.Object, source.Object.Token)); } </code></pre> <p>The error message is as follows:</p> <p>Expected invocation on the mock at least once, but was never performed: x => x.SetupCsvFileVerification(.entity.Object, (Object).source.Object.Token) No setups configured.</p> <p>The class represented by source is as follows:</p> <pre><code>public interface ICancellationTokenSource { void Cancel(); CancellationTokenSource Source { get; set; } CancellationToken Token { get; } } public class CancellationTokenSourceWrapper : ICancellationTokenSource { private CancellationTokenSource _source; public CancellationTokenSourceWrapper(CancellationTokenSource source) { _source = source; } public CancellationTokenSource Source { get { return _source; } set { _source = value; } } public CancellationToken Token { get { return Source.Token; } } public void Cancel() { _source.Cancel(); } } </code></pre> <p>When i step through the unit test, cts does get assigned the value of TempCsvFileVerificationCancellation. The Token property in source, returns Source.Token. Im at a loss as to what i have done wrong.</p> <p>Any pointers/assistance would be appreciated.</p> <p>Thanks</p> <p><strong>EDIT</strong></p> <p><a href="https://imgur.com/REwi4" rel="nofollow noreferrer"><img src="https://i.imgur.com/REwi4.jpg" alt="" title="Hosted by imgur.com" /></a></p>
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    1. USHans Rudel
    1. USHans Rudel
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    1. COYou don't seem to be providing the verify object to your class with the method DataVerification, and it isn't clear in the test how you create the verify mock that you call Verify on, and which then throws the exception.
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      1. POVerifying a mocked method uses specific CancellationTokenSouce which is also mocked
      1. USDavid Hall
    2. COHi David, your absolutely correct, i had tried to trim it down a little to make it easier to understand but had accidently removed verify, sorry bout that. Ive edited the code and it SHOULD be ok now.
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      1. POVerifying a mocked method uses specific CancellationTokenSouce which is also mocked
      1. USHans Rudel
 

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