Files
docker-stacks/scipy-notebook/test/test_matplotlib.py
2020-09-25 11:16:19 -04:00

63 lines
2.4 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__)
def test_matplotlib(container):
"""Test that matplotlib is able to plot a graph and write it as an image"""
host_data_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)), "data")
cont_data_dir = "/home/jovyan/data"
test_file = "matplotlib_1.py"
output_dir = "/tmp"
LOGGER.info(f"Test that matplotlib is able to plot a graph and write it as an image ...")
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
expected_file = f"{output_dir}/test.png"
command = f"test -s {expected_file}"
cmd = running_container.exec_run(command)
assert cmd.exit_code == 0, f"Command {command} failed"
LOGGER.debug(cmd.output.decode("utf-8"))
def test_matplotlib_fonts(container):
"""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"
test_file = "matplotlib_fonts_1.py"
output_dir = "/tmp"
LOGGER.info(f"Test cm-super latex labels in matplotlib ...")
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
expected_file = f"{output_dir}/test_fonts.png"
command = f"test -s {expected_file}"
cmd = running_container.exec_run(command)
assert cmd.exit_code == 0, f"Command {command} failed"
LOGGER.debug(cmd.output.decode("utf-8"))