90 lines
3.2 KiB
Python
90 lines
3.2 KiB
Python
import subprocess
|
|
import textwrap
|
|
|
|
import pytest
|
|
|
|
from cibuildwheel.docker_container import DockerContainer
|
|
|
|
DEFAULT_IMAGE = 'centos:6'
|
|
|
|
|
|
@pytest.mark.slow
|
|
def test_simple():
|
|
with DockerContainer(DEFAULT_IMAGE) as container:
|
|
assert container.call(['echo', 'hello'], capture_output=True) == 'hello\n'
|
|
|
|
|
|
@pytest.mark.slow
|
|
def test_no_lf():
|
|
with DockerContainer(DEFAULT_IMAGE) as container:
|
|
assert container.call(['printf', 'hello'], capture_output=True) == 'hello'
|
|
|
|
|
|
@pytest.mark.slow
|
|
def test_environment():
|
|
with DockerContainer(DEFAULT_IMAGE) as container:
|
|
assert container.call(['sh', '-c', 'echo $TEST_VAR'], env={'TEST_VAR': '1'}, capture_output=True) == '1\n'
|
|
|
|
|
|
@pytest.mark.slow
|
|
def test_container_removed():
|
|
with DockerContainer(DEFAULT_IMAGE) as container:
|
|
container.call(['true'])
|
|
docker_containers_listing = subprocess.run('docker container ls', shell=True, check=True, capture_output=True, universal_newlines=True).stdout
|
|
assert container.name in docker_containers_listing
|
|
old_container_name = container.name
|
|
|
|
docker_containers_listing = subprocess.run('docker container ls', shell=True, check=True, capture_output=True, universal_newlines=True).stdout
|
|
assert old_container_name not in docker_containers_listing
|
|
|
|
|
|
@pytest.mark.slow
|
|
def test_large_environment():
|
|
# max environment variable size is 128kB
|
|
long_env_var_length = 127*1024
|
|
large_environment = {
|
|
'a': '0'*long_env_var_length,
|
|
'b': '0'*long_env_var_length,
|
|
'c': '0'*long_env_var_length,
|
|
'd': '0'*long_env_var_length,
|
|
}
|
|
|
|
with DockerContainer(DEFAULT_IMAGE) as container:
|
|
# check the length of d
|
|
assert container.call(['sh', '-c', 'echo ${#d}'], env=large_environment, capture_output=True) == f'{long_env_var_length}\n'
|
|
|
|
|
|
@pytest.mark.slow
|
|
def test_binary_output():
|
|
with DockerContainer(DEFAULT_IMAGE) as container:
|
|
# the centos image only has python 2.6, so the below embedded snippets
|
|
# are in python2
|
|
|
|
# check that we can pass though arbitrary binary data without erroring
|
|
container.call(['/usr/bin/python2', '-c', textwrap.dedent('''
|
|
import sys
|
|
sys.stdout.write(''.join(chr(n) for n in range(0, 256)))
|
|
''')])
|
|
|
|
# check that we can capture arbitrary binary data
|
|
output = container.call(['/usr/bin/python2', '-c', textwrap.dedent('''
|
|
import sys
|
|
sys.stdout.write(''.join(chr(n % 256) for n in range(0, 512)))
|
|
''')], capture_output=True)
|
|
|
|
data = bytes(output, encoding='utf8', errors='surrogateescape')
|
|
|
|
for i in range(0, 512):
|
|
assert data[i] == i % 256
|
|
|
|
# check that environment variables can carry binary data, except null characters
|
|
# (https://www.gnu.org/software/libc/manual/html_node/Environment-Variables.html)
|
|
binary_data = bytes(n for n in range(1, 256))
|
|
binary_data_string = str(binary_data, encoding='utf8', errors='surrogateescape')
|
|
output = container.call(
|
|
['python2', '-c', 'import os, sys; sys.stdout.write(os.environ["TEST_VAR"])'],
|
|
env={'TEST_VAR': binary_data_string},
|
|
capture_output=True,
|
|
)
|
|
assert output == binary_data_string
|