Antoine Poinsot b74a6ffc16
qa: unflake test_rescan_edge_cases
We weren't waiting for lianad to be back to the same height as bitcoind.
Necessarily it could happen that sorted_coins() would return an empty
list.

Fixes #142 (did 50 successful runs of the test)
2022-12-13 16:59:57 +01:00
..
2022-11-17 17:10:22 +01:00
2022-11-17 17:10:22 +01:00

Lianad blackbox tests

Here we test lianad by starting it on a regression testing Bitcoin network, and by then talking to it as an user would, from the outside.

Python scripts are used for the automation, and specifically the pytest framework.

Credits: this test framework was taken and adapted from revaultd, which was itself adapted from C-lightning's test framework.

Test dependencies

Functional tests dependencies can be installed using pip. Use a virtual environment.

# Create a new virtual environment, preferably.
python3 -m venv venv
. venv/bin/activate
# Get the deps
pip install -r tests/requirements.txt

Additionaly you need to have bitcoind installed on your computer, please refer to bitcoincore for installation. You may use a specific bitcoind binary by specifying the BITCOIND_PATH env var.

Running the tests

From the root of the repository:

pytest tests/

Tips and tricks

Logging

We use the Live Logging functionality from pytest. It is configured in (pyproject.toml)[../pyproject.toml] to output INFO-level to the console. If a test fails, the entire DEBUG log is output.

You can override the config at runtime with the --log-cli-level option:

pytest -vvv --log-cli-level=DEBUG -k test_startup

Note that we record all logs from daemons, and we start them with log_level = "debug".

Test lints

Just use black.

More

See the environment variables in test_framework/utils.py.