40 lines
1.7 KiB
Markdown
40 lines
1.7 KiB
Markdown
### Running the tests
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#### Java versions
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Open Telemetry Auto Instrumentation's minimal supported version is java 8.
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All jar files that we produce, unless noted otherwise, have bytecode
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compatible with java 8 runtime. Our test suite is executed against
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java 8, all LTS versions and the latest non-LTS version.
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Some libraries that we auto-instrument may have higher minimal requirements.
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In this case we compile and test corresponding auto-instrumentation with
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higher java version as required by library. The resulting classes will have
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higher bytecode level, but as it matches library's java version, no runtime
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problem arise.
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#### Instrumentation tests
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Executing `./gradlew instrumentation:test` will run tests for all supported
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auto-instrumentations using that java version which runs the Gradle build
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itself. These tests usually use the minimal supported version of the
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instrumented library.
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#### Executing tests with specific java version
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We run all tests on Java 11 by default, along with Java 8 and 15. To run on the later, set the
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`testJavaVersion` Gradle property to the desired major version, e.g., `./gradlew test -PtestJavaVersion=8`,
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`./gradlew test -PtestJavaVersion=15`. If you don't have a JDK of these versions
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installed, Gradle will automatically download it for you.
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#### Executing tests against the latest versions of libraries under instrumentation
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This is done as part of the nightly build in order to catch when a new version of a library is
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released that breaks our instrumentation tests.
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To run these tests locally, add `-PtestLatestDeps=true` to your existing `gradlew` command line.
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#### Executing single test
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Executing `./gradlew :instrumentation:<INSTRUMENTATION_NAME>:test --tests <GROOVY TEST FILE NAME>` will run only the selected test.
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