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lvgl/tests
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Gabor Kiss-Vamosi dcbd3cc142 fix(test): lower demo stress test loop count 
hopefully it will solve the timeout issue on Arm CI tests
2022-12-21 08:34:31 +01:00
..
makefile ci: protect test.c with #if LV_BUILD_TEST 2022-07-25 21:22:56 +02:00
ref_imgs ci(animimg): add unit tests (#3723) 2022-11-08 12:36:36 +01:00
src fix(test): lower demo stress test loop count 2022-12-21 08:34:31 +01:00
unity test add valgrind support and address technical debt (#3731) 2022-10-09 17:06:56 -04:00
.gitignore test convert Makefile to CMake (#2495) 2021-08-27 15:49:31 +02:00
CMakeLists.txt test(cmake): exclude test targets from build only configurations (#3821) 2022-12-21 08:31:23 +01:00
config.yml feat(test) first experiement with Unity test engine 2021-06-18 14:13:41 +02:00
main.py ci: use headers for text config instead of CMake 2022-11-25 11:32:14 +01:00
README.md ci(test): automatically create missing reference images for TEST_ASSERT_EQUAL_SCREENSHOT 2022-09-21 22:10:20 +02:00

README.md

Tests for LVGL

The tests in the folder can be run locally and automatically by GitHub CI.

Running locally

Requirements (Linux)

Install requirements by:

scripts/install-prerequisites.sh

Run test

  1. Run all executable tests with ./tests/main.py test.
  2. Build all build-only tests with ./tests/main.py build.
  3. Clean prior test build, build all build-only tests, run executable tests, and generate code coverage report ./tests/main.py --clean --report build test.

For full information on running tests run: ./tests/main.py --help.

Running automatically

GitHub's CI automatically runs these tests on pushes and pull requests to master and releasev8.* branches.

Directory structure

  • src Source files of the tests
    • test_cases The written tests,
    • test_runners Generated automatically from the files in test_cases.
    • other miscellaneous files and folders
  • ref_imgs - Reference images for screenshot compare
  • report - Coverage report. Generated if the report flag was passed to ./main.py
  • unity Source files of the test engine

Add new tests

Create new test file

New test needs to be added into the src/test_cases folder. The name of the files should look like test_<name>.c. The basic skeleton of a test file copy _test_template.c.

Asserts

See the list of asserts here.

There are some custom, LVGL specific asserts:

  • TEST_ASSERT_EQUAL_SCREENSHOT("image1.png") Render the active screen and compare its content with an image in the ref_imgs folder.
    • If the reference image is not found it will be created automatically from the rendered screen.
    • If the compare fails lvgl/test_screenshot_error.h is created with the content of the frame buffer as an image. To see the that image #include "test_screenshot_error.h" and call test_screenshot_error_show();.
  • TEST_ASSERT_EQUAL_COLOR(color1, color2) Compare two colors.