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Code Coverage API
1.1.1Minimum Jenkins requirement: 2.60.3ID: code-coverage-api

Build Status Gitter

This plugin serves as API to integrate and publish multiple coverage report types. More information see https://jenkins.io/projects/gsoc/2018/code-coverage-api-plugin/.

Features

  • Pipeline support
  • Modernized coverage chart
  • Coverage trend
  • Source code navigation
  • Parallel execution in pipeline support
  • Reports combining
  • REST API
  • Failed conditions and flexible threshold setting
  • Other small features

Supported Coverage Formats

Embedded

Other plugins as an Extension of Code Coverage API plugin

Release Notes

See the CHANGELOG.

How to Implement it

see wiki.

How to Use it

1. Config coverage tool to generate reports.

Config maven to generate Cobertura coverage reports:

<build>
    <plugins>
        <plugin>
            <groupId>org.codehaus.mojo</groupId>
            <artifactId>cobertura-maven-plugin</artifactId>
            <version>2.7</version>
            <configuration>
                <formats>
                    <format>xml</format>
                </formats>
                <check/>
            </configuration>
            <executions>
                <execution>
                    <phase>package</phase>
                    <goals>
                        <goal>cobertura</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

More information about Cobertura.

Config maven to generate JaCoCo coverage reports:

<build>
    <plugins>
        <plugin>
            <groupId>org.jacoco</groupId>
            <artifactId>jacoco-maven-plugin</artifactId>
            <version>0.8.1</version>
            <executions>
                <execution>
                    <goals>
                        <goal>prepare-agent</goal>
                    </goals>
                </execution>
                <execution>
                    <id>report</id>
                    <phase>package</phase>
                    <goals>
                        <goal>report</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

More Information about JaCoCo.

Use llvm-cov to generate JSON format report:

$ llvm-cov export -instr-profile /path/to/foo.profdata /path/to/foo

More Information llvm-cov.

2. Install Jenkins plugins which implement Code Coverage API plugin (cobertura-plugin, llvm-cov-plugin).
3. Enable "Publish Coverage Report" publisher in the Post-build Actions.
4. Add your coverage tool adapter and specify reports path.

alt text

5. (Optional) Specify Thresholds of each metrics in global or adapter level.
6. (Optional) Specify Source code storing level to enable source code navigation.

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Pipeline example

We also support pipeline configuration, you can generate pipeline code in Jenkins Snippet Generator.

publishCoverage adapters: [jacocoAdapter('target/site/jacoco/jacoco.xml')]

You can also use jacoco instead of jacocoAdapter if you didn't install Jacoco-Plugin.

Parallel Pipeline Support

We support parallel pipeline. You can call the Code Coverage API plugin in different branches like this:

node {
    parallel firstBranch: {
        publishCoverage adapters: [jacocoAdapter('target/site/jacoco/jacoco.xml')]
}, secondBranch: {
        publishCoverage adapters: [jacocoAdapter('jacoco.xml')]
    }
}
Reports Combining Support

You can add tag on publishCoverage and Code Coverage API plugin will combine reports have same tag:

node {
    parallel firstBranch: {
        publishCoverage adapters: [jacocoAdapter('target/site/jacoco/jacoco.xml')], tag: ‘t’
}, secondBranch: {
        publishCoverage adapters: [jacocoAdapter('jacoco.xml')], tag: ‘t’
    }
}
Merging Reports

There is also a possibility to merge multiple reports (e.g. from multiple xml files) into one using the mergeToOneReport option with an ant-style path pattern. All reports found by the adapter will then be combined into a single report:

publishCoverage adapters: [jacocoAdapter(mergeToOneReport: true, path: '**/*.xml')]

REST API

We provide a REST API to retrieve coverage data:

  • Coverage result: …​/{buildNumber}/coverage/…​/result/api/\{json|xml\}?depth={number}
  • Trend result: …​/{buildNumber}/coverage/…​/trend/api/\{json|xml\}?depth={number}
  • Coverage result of last build: …​/{buildNumber}/coverage/…​/last/result/api/\{json|xml\}?depth={number}
  • Trend result of last build: …​/{buildNumber}/coverage/…​/last/trend/api/\{json|xml\}?depth={number}

Note: The larger the number, the deeper of coverage information can be retrieved.

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