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A GitHub Action that reads Cobertura format code coverage files and outputs a text or markdown summary.

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Code Coverage Summary

CI Build   GitHub   .NET 6.0   Built With Docker

A GitHub Action that reads Cobertura format code coverage files from your test suite and outputs a text or markdown summary. This summary can be posted as a Pull Request comment or included in Release Notes by other actions to give you an immediate insight into the health of your code without using a third-party site.

Code Coverage Summary is designed for use with Coverlet and gcovr but it should work with any test framework that outputs coverage in Cobertura format. If it doesn't work with your tooling please open an issue to discuss the problem.

If you're using Simplecov please see the wiki for required settings to enable compatibility with Code Coverage Summary.

As a Docker based action Code Coverage Summary requires a Linux runner, see Types of Action. If you need to build with a Windows or MacOS runner a workaround would be to upload the coverage file as an artifact and use a separate job with a Linux runner to generate the summary.

Inputs

filename

Required

A comma separated list of code coverage files to analyse. If there are any spaces in a path or filename this value must be in quotes.

Note: Coverlet creates the coverage file in a random named directory (guid) so you need to copy it to a predictable path before running this Action, see the .Net Workflow Example below.

badge

Include a badge reporting the Line Rate coverage in the output using shields.io - true or false (default).

Line Rate Badge
less than lower threshold (50%) Code Coverage
between thresholds (50% - 74%) Code Coverage
equal or greater than upper threshold (75%) Code Coverage

See thresholds to change these values.

fail_below_min

Fail the workflow if the overall Line Rate is below lower threshold - true or false (default). The default lower threshold is 50%, see thresholds.

format

Output Format - markdown or text (default).

hide_branch_rate

Hide Branch Rate values in the output - true or false (default).

hide_complexity

Hide Complexity values in the output - true or false (default).

indicators

Include health indicators in the output - true (default) or false.

Line Rate Indicator
less than lower threshold (50%)
between thresholds (50% - 74%)
equal or greater than upper threshold (75%)

See thresholds to change these values.

output

Output Type - console (default), file or both.

console will output the coverage summary to the GitHub Action log.

file will output the coverage summary to code-coverage-results.txt for text or code-coverage-results.md for markdown format in the workflow's working directory.

both will output the coverage summary to the Action log and a file as above.

thresholds

Lower and upper threshold percentages for badge and health indicators, lower threshold can also be used to fail the action. Separate the values with a space and enclose them in quotes; default '50 75'.

Outputs

Text Example

https://img.shields.io/badge/Code%20Coverage-83%25-success?style=flat

Company.Example: Line Rate = 83%, Branch Rate = 69%, Complexity = 671, ✔
Company.Example.Library: Line Rate = 27%, Branch Rate = 100%, Complexity = 11, ❌
Summary: Line Rate = 83% (1212 / 1460), Branch Rate = 69% (262 / 378), Complexity = 682, ✔
Minimum allowed line rate is 50%

Markdown Example

Code Coverage

Package Line Rate Branch Rate Complexity Health
Company.Example 83% 69% 671
Company.Example.Library 27% 100% 11
Summary 83% (1212 / 1460) 69% (262 / 378) 682

Minimum allowed line rate is 50%

Usage

name: Code Coverage Summary Report
uses: irongut/[email protected]
with:
  filename: coverage.cobertura.xml

.Net Workflow Example

name: .Net 6 CI Build

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  build:
    runs-on: ubuntu-latest
    name: CI Build
    steps:
    - name: Checkout
      uses: actions/checkout@v2

    - name: Setup .NET
      uses: actions/setup-dotnet@v1
      with:
        dotnet-version: 6.0.x

    - name: Restore Dependencies
      run: dotnet restore src/Example.sln

    - name: Build
      run: dotnet build src/Example.sln --configuration Release --no-restore

    - name: Test
      run: dotnet test src/Example.sln --configuration Release --no-build --verbosity normal --collect:"XPlat Code Coverage" --results-directory ./coverage

    - name: Copy Coverage To Predictable Location
      run: cp coverage/**/coverage.cobertura.xml coverage.cobertura.xml

    - name: Code Coverage Summary Report
      uses: irongut/[email protected]
      with:
        filename: coverage.cobertura.xml
        badge: true
        fail_below_min: true
        format: markdown
        hide_branch_rate: false
        hide_complexity: true
        indicators: true
        output: both
        thresholds: '60 80'

    - name: Add Coverage PR Comment
      uses: marocchino/sticky-pull-request-comment@v2
      if: github.event_name == 'pull_request'
      with:
        recreate: true
        path: code-coverage-results.md

Version Numbers

Version numbers will be assigned according to the Semantic Versioning scheme. This means, given a version number MAJOR.MINOR.PATCH, we will increment the:

  1. MAJOR version when we make incompatible API changes
  2. MINOR version when we add functionality in a backwards compatible manner
  3. PATCH version when we make backwards compatible bug fixes

Contributing

Report Bugs

Please make sure the bug is not already reported by searching existing issues.

If you're unable to find an existing issue addressing the problem please open a new one. Be sure to include a title and clear description, as much relevant information as possible, a workflow sample and any logs demonstrating the problem.

Suggest an Enhancement

Please open a new issue.

Submit a Pull Request

Discuss your idea first, so that your changes have a good chance of being merged in.

Submit your pull request against the master branch.

Pull requests that include documentation and relevant updates to README.md are merged faster, because you won't have to wait for somebody else to complete your contribution.

License

Code Coverage Summary is available under the MIT license, see the LICENSE file for more info.

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A GitHub Action that reads Cobertura format code coverage files and outputs a text or markdown summary.

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