mirror of
https://github.com/trezor/trezor-firmware.git
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95 lines
3.0 KiB
Markdown
95 lines
3.0 KiB
Markdown
# Running UI tests
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## 1. Running the full test suite
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_Note: You need Poetry, as mentioned in the core's [documentation](https://docs.trezor.io/trezor-firmware/core/) section._
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In the `trezor-firmware` checkout, in the root of the monorepo, install the environment:
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```sh
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poetry install
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```
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And run the tests:
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```sh
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poetry run make -C core test_emu_ui
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```
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## 2. Running tests manually
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Install the poetry environment as outlined above. Then switch to a shell inside the
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environment:
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```sh
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poetry shell
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```
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If you want to test against the emulator, run it with disabled animation in a separate terminal:
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```sh
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./core/emu.py -a
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```
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Now you can run the test suite with `pytest` from the root directory:
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```sh
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pytest tests/device_tests --ui=test
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```
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If you wish to check that all test cases in `fixtures.json` were used set the `--ui-check-missing` flag. Of course this is meaningful only if you run the tests on the whole `device_tests` folder.
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```sh
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pytest tests/device_tests --ui=test --ui-check-missing
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```
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# Updating Fixtures ("Recording")
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Short version:
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```sh
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poetry run make -C core test_emu_ui_record
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```
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Long version:
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The `--ui` pytest argument has two options:
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- **record**: Create screenshots and calculate theirs hash for each test.
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The screenshots are gitignored, but the hash is included in git.
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- **test**: Create screenshots, calculate theirs hash and test the hash against
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the one stored in git.
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If you want to make a change in the UI you simply run `--ui=record`. An easy way
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to proceed is to run `--ui=test` at first, see what tests fail (see the Reports section below),
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decide if those changes are the ones you expected and then finally run the `--ui=record`
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and commit the new hashes.
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Also here we provide an option to check the `fixtures.json` file. Use `--ui-check-missing` flag again to make sure there are no extra fixtures in the file:
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```sh
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pytest tests/device_tests --ui=record --ui-check-missing
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```
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## Reports
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### Tests
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Each `--ui=test` creates a clear report which tests passed and which failed.
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The index file is stored in `tests/ui_tests/reports/test/index.html`.
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The script `tests/show_results.py` starts a local HTTP server that serves this page --
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this is necessary for access to browser local storage, which enables a simple reviewer
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UI.
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On CI this report is published as an artifact. You can see the latest `main` branch report [here](https://gitlab.com/satoshilabs/trezor/trezor-firmware/-/jobs/artifacts/main/file/test_ui_report/index.html?job=core%20device%20test). The reviewer features work directly here.
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If needed, you can use `python3 -m tests.ui_tests` to regenerate the report from local
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recorded screens.
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### Master diff
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In the ui tests folder you will also find a Python script `report_master_diff.py`, which
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creates a report where you find which tests were altered, added, or removed relative to
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master. This useful for Pull Requests.
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This report is available as an artifact on CI as well. You can find it by
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visiting the "unix ui changes" job in your pipeline - browse the
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artifacts and open `master_diff/index.html`.
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