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fix: Improve toHaveClass error message format #405

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merged 4 commits into from Dec 6, 2021

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akrifari
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@akrifari akrifari commented Oct 3, 2021

What:
This PR aims to make toHaveClass error message format to be more descriptive when exact option is set to true.

How:

  • Before:

      Expected the element to have EXACTLY defined classes
    
      alone foo:
        Received
      :
        undefined
    
        169 |   })
        170 |
      > 171 |   expect(queryByTestId('no-classes')).toHaveClass('alone', 'foo', {
            |                                       ^
        172 |     exact: true,
        173 |   })
        174 |
  • After:

      expect(element).toHaveClass("alone foo")
    
      Expected the element to have EXACTLY defined classes:
        alone foo
      Received:
    
        169 |   })
        170 |
      > 171 |   expect(queryByTestId('no-classes')).toHaveClass('alone', 'foo', {
            |                                       ^
        172 |     exact: true,
        173 |   })
        174 |

Checklist:

  • Ready to be merged

Related:
Close #397

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codecov bot commented Oct 14, 2021

Codecov Report

Merging #405 (9f99f57) into main (6f69437) will not change coverage.
The diff coverage is 100.00%.

Impacted file tree graph

@@            Coverage Diff            @@
##              main      #405   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           26        26           
  Lines          620       621    +1     
  Branches       227       228    +1     
=========================================
+ Hits           620       621    +1     
Impacted Files Coverage Δ
src/to-have-class.js 100.00% <100.00%> (ø)

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@gnapse gnapse merged commit a9beb47 into testing-library:main Dec 6, 2021
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gnapse commented Dec 6, 2021

@all-contributors, please add @akrifari for code

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github-actions bot commented Dec 6, 2021

🎉 This PR is included in version 5.16.1 🎉

The release is available on:

Your semantic-release bot 📦🚀

@akrifari akrifari deleted the improve-tohaveclass-message branch December 7, 2021 04:59
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toHaveClass(..., { exact: true })'s Received/Expected output is buggy
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