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docker-stacks/scipy-notebook/test/test_matplotlib.py

46 lines
1.8 KiB
Python

# Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.
import logging
import pytest
import os
LOGGER = logging.getLogger(__name__)
@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, test_file, expected_file, description):
"""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 = os.path.join(os.path.dirname(
os.path.realpath(__file__)), "data")
cont_data_dir = "/home/jovyan/data"
output_dir = "/tmp"
LOGGER.info(description)
command = "sleep infinity"
running_container = container.run(
volumes={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)
assert cmd.exit_code == 0, f"Command {command} failed"
LOGGER.debug(cmd.output.decode("utf-8"))
# 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)
assert cmd.exit_code == 0, f"Command {command} failed"
LOGGER.debug(cmd.output.decode("utf-8"))