Files
docker-stacks/tests/scipy-notebook/test_matplotlib.py
2022-04-01 01:26:37 +01:00

58 lines
1.8 KiB
Python

# Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.
import logging
from pathlib import Path
import pytest # type: ignore
from tests.conftest import TrackedContainer
LOGGER = logging.getLogger(__name__)
THIS_DIR = Path(__file__).parent.resolve()
@pytest.mark.parametrize(
"test_file,expected_file,description",
[
(
"matplotlib_1.py",
"test.png",
"Test that matplotlib is able to plot a graph and write it as an image ...",
),
(
"matplotlib_fonts_1.py",
"test_fonts.png",
"Test cm-super latex labels in matplotlib ...",
),
],
)
def test_matplotlib(
container: TrackedContainer, test_file: str, expected_file: str, description: str
) -> None:
"""Various tests performed on matplotlib
- Test that matplotlib is able to plot a graph and write it as an image
- Test matplotlib latex fonts, which depend on the cm-super package
"""
host_data_dir = THIS_DIR / "data/matplotlib"
cont_data_dir = "/home/jovyan/data"
output_dir = "/tmp"
LOGGER.info(description)
command = "sleep infinity"
running_container = container.run_detached(
volumes={str(host_data_dir): {"bind": cont_data_dir, "mode": "ro"}},
tty=True,
command=["start.sh", "bash", "-c", command],
)
command = f"python {cont_data_dir}/{test_file}"
cmd = running_container.exec_run(command)
LOGGER.debug(cmd.output.decode("utf-8"))
assert cmd.exit_code == 0, f"Command {command} failed"
# Checking if the file is generated
# https://stackoverflow.com/a/15895594/4413446
command = f"test -s {output_dir}/{expected_file}"
cmd = running_container.exec_run(command)
LOGGER.debug(cmd.output.decode("utf-8"))
assert cmd.exit_code == 0, f"Command {command} failed"