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57 lines
2.0 KiB
Python
57 lines
2.0 KiB
Python
"""
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Test running bootstrap script in different circumstances
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"""
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import subprocess
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from textwrap import dedent
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def run_bootstrap(container_name, image):
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# stop container if it is already running
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subprocess.run([
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'docker', 'rm', '-f', container_name
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])
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# Start a detached Ubuntu 16.04 container
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subprocess.check_call([
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'docker', 'run', '--detach', '--name', container_name, image,
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'/bin/bash', '-c', 'sleep 1000s'
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])
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# Install python3 inside the ubuntu container
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# There is no trusted Ubuntu+Python3 container we can use
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subprocess.check_output([
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'docker', 'exec', container_name, 'apt-get', 'update'
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])
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subprocess.check_output([
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'docker', 'exec', container_name, 'apt-get', 'install', '--yes', 'python3'
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])
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# Copy only the bootstrap script to container, so this is faster
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subprocess.check_call([
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'docker',
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'cp',
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'bootstrap/', f'{container_name}:/srv'
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])
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# Run bootstrap script, return the output
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return subprocess.run([
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'docker', 'exec', '-i', container_name,
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'python3', '/srv/bootstrap/bootstrap.py'
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], check=False, stdout=subprocess.PIPE, encoding='utf-8')
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def test_ubuntu_too_old():
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"""
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Error with a useful message when running in older Ubuntu
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"""
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output = run_bootstrap('old-distro-test', 'ubuntu:16.04')
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assert output.stdout == 'The Littlest JupyterHub requires Ubuntu 18.04 or higher\n'
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assert output.returncode == 1
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def test_inside_no_systemd_docker():
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output = run_bootstrap('plain-docker-test', 'ubuntu:18.04')
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assert output.stdout.strip() == dedent("""
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Systemd is required to run TLJH
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Running inside a docker container without systemd isn't supported
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We recommend against running a production TLJH instance inside a docker container
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For local development, see http://tljh.jupyter.org/en/latest/contributing/dev-setup.html
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""").strip()
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assert output.returncode == 1
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