mirror of
https://github.com/trezor/trezor-firmware.git
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68 lines
2.2 KiB
Markdown
68 lines
2.2 KiB
Markdown
# Click Tests
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This set of tests is intended for cases where USB communication must be decoupled from
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the input stream. They are mainly based on sending simulated clicks and reading screen
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contents. Unlike device tests that use the `client` fixture, click tests generally
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use the `device_handler` fixture. TODO fixture documentation, the important point is
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that `device_handler` runs `trezorlib` calls in the background and leaves the main
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thread free to interact with the device from the user's perspective.
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## 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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Switch to a shell inside theenvironment:
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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 in a separate terminal:
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```sh
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./core/emu.py
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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/click_tests
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```
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## Click test recorder
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The repository now includes a tool for automatically generating testcases from user
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interaction. The resulting test cases must still be tweaked manually, but they can
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provide a solid starting point for a complex interaction pattern.
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**Caveat:** The testcase recorder is in alpha-stage, both in terms of functionality
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and code quality. Your mileage may vary.
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Run the tool with:
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```sh
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python tests/click_tests/record_layout.py
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```
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The tool accepts the same arguments as `trezorctl`. For example, to record yourself
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getting an address, use:
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```sh
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python tests/click_tests/record_layout.py btc get-address -n m/44h/0h/0h/0/0 -d
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```
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Instead of clicking buttons on the emulator, type commands in the terminal that ran
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the tool. A list of possible button clicks will be shown in your terminal. These will
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be sent to the emulator over debuglink.
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(Note that if a particular click does not react through the tool, there is a good chance
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that it won't work in the testcase either. Please file an issue.)
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After the session is over (when you type `stop`), the tool will collect all layout
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changes and output a testcase in pytest format. Copy-paste that into your test file
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and tweak as appropriate.
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