esp-idf/tools/unit-test-app/README.md

Unit Test App

ESP-IDF unit tests are run using Unit Test App. The app can be built with the unit tests for a specific component. Unit tests are in test subdirectories of respective components.

Building Unit Test App

• Follow the setup instructions in the top-level esp-idf README.
• Set IDF_PATH environment variable to point to the path to the esp-idf top-level directory.
• Change into tools/unit-test-app directory
• make menuconfig to configure the Unit Test App.
• make TEST_COMPONENTS= with TEST_COMPONENTS set to names of the components to be included in the test app. Or make TESTS_ALL=1 to build the test app with all the tests for components having test subdirectory.
• Follow the printed instructions to flash, or run make flash.