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JaCoCo

Provides support for JaCoCo Code Coverage in combination with Java containers.

  • Allows for recording and extraction of code coverage files from containers
  • Support for Testcontainers API

NOTE: Using this is a bit complex as it also requires some changes to the java application in the container.
Please have a look at the advanced-demo and the corresponding GitHub Actions workflow for details.

Config

The configuration is dynamically loaded from (sorted by highest priority)
  • Environment variables
    • prefixed with TCI_JACOCO_
    • all properties are in UPPERCASE and use _ instead of . or -
  • System properties
    • prefixed with tci.jacoco.
Full list of configuration options
Property Type Default Notes
enabled bool false You should probably set this to true
execution-data-files-dir string target/jacoco-execution-data-files Location where the jacoco execution reports/execution data files are stored
move-old-execution-data-files-dir bool true If execution-data-files-dir already exists it will be moved to execution-data-files-dir-old
execution-data-files-dir-old string target/jacoco-execution-data-files-old Location where previous jacoco execution reports/execution data files are moved to. If the directory already exists it will be deleted.
execution-data-file-suffix string -jacoco.exec Suffix for the jacoco reports/execution data files

Example Report