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Code coverage with Istanbul #2

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Code coverage with Istanbul#2
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blakeembrey
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you can do thisGood candidate for a pull request.

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@blakeembrey
blakeembrey
opened on Jul 15, 2015

I spent a long time trying to resolve this already, but can't find a decent solution. I started based on https://github.com/babel/babel/blob/master/packages/babel/src/api/register/node.js with process.env.running_under_istanbul and got it executing but got stuck with no coverage information coming out.

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  1. blakeembrey
    added
    you can do thisGood candidate for a pull request.
    on Jul 15, 2015
  2. blakeembrey
    self-assigned this
    on Jul 15, 2015

  3. blakeembrey commented on Mar 13, 2016

    @blakeembrey
    blakeembrey
    on Mar 13, 2016
    MemberAuthor

    Istanbul 1.0 alpha.

  4. blakeembrey
    closed this as completedon Mar 13, 2016

  5. silviogutierrez commented on Jun 2, 2016

    @silviogutierrez
    silviogutierrez
    on Jun 2, 2016

    So I'm trying the alpha as you suggested, but I still get no info coming out. Here's the command:

    ./node_modules/.bin/istanbul cover ./node_modules/.bin/_mocha -- --compilers ts:ts-node/register client/test.ts

    Test passes fine, but it prints:

    No coverage information was collected, exit without writing coverage information at the bottom.

    Am I missing something? I'm on istanbul 1.0 alpha 2.

    Thanks,

    Silvio

  6. silviogutierrez commented on Jun 2, 2016

    @silviogutierrez
    silviogutierrez
    on Jun 2, 2016

    Think I solved it! For the curious, you need an .istanbul.yml file. Mine is currently:

    instrumentation:
  extensions:
    - .tsx
    - .ts

    And it seemed to work.

  7. sinedied commented on Mar 22, 2017

    @sinedied
    sinedied
    on Mar 22, 2017

    I still can't make it work with istanbul@1.1.0-alpha.1 and jasmine: sourcemaps are broken for the jasmine reporters and something crash after the test executions :(

    Without istanbul the tests run fin with jasmine.

  8. jonaskello commented on Mar 25, 2017

    @jonaskello
    jonaskello
    on Mar 25, 2017
    Contributor

    I found this comment very helpful. Basically use nyc command to run instanbul instead of the istanbul command and it works.

  9. sinedied commented on Mar 27, 2017

    @sinedied
    sinedied
    on Mar 27, 2017

    @jonaskello that's what I end up using, nyc works fine with ts-node without any pain.

  10. kumarashwin
    added a commit that references this issue on Jun 17, 2018

    minor fix TypeStrong#2

    59bbad5
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