[jira] [Commented] (DAFFODIL-2878) cli test expect timeouts need to display the captured text that doesn't meet the expectation

["Steve Lawrence (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DAFFODIL-2878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17820178#comment-17820178 ] 

Steve Lawrence commented on DAFFODIL-2878:
------------------------------------------

ExpectIOException has a "getInputBuffer" function which I think returns a string represents what expect is trying to match. Should be a small change.

In the mean time, you should be able to add {{debug = true}} as a parameter to the to the runCLI function for your test. That will output the CLI command and echo CLI input and output to stdout.

> cli test expect timeouts need to display the captured text that doesn't meet the expectation
> --------------------------------------------------------------------------------------------
>
>                 Key: DAFFODIL-2878
>                 URL: https://issues.apache.org/jira/browse/DAFFODIL-2878
>             Project: Daffodil
>          Issue Type: Improvement
>          Components: Infrastructure
>    Affects Versions: 3.6.0
>            Reporter: Mike Beckerle
>            Priority: Minor
>
> When a CLI test fails due to an expect timeout such as:
>  
> {code:java}
> [error] Test org.apache.daffodil.cli.cliTest.TestCLIParsing.test_Layer_Execution_Error failed: net.sf.expectit.ExpectIOException: Expect operation fails (timeout: -1 ms) for matcher: contains('Unexpected exception in layer transformer 'buggy''), took 3.414 sec
> [error]     at net.sf.expectit.ExpectImpl.expectIn(ExpectImpl.java:106)
> {code}
> It could be good if the actual output text was displayed so that one can see why the expectation was not met.
> Without that, it's actually a bit tedious to reproduce the test in order to see the actual output. You have to stage daffodil, mine the command line with all args from the CLI test, and then issue the command line to daffodil. 
> It's not so easy to debug into the expect utility to find the text at issue. 
>  



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