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pip/tests/unit/test_base_command.py
2019-08-07 23:14:46 -07:00

148 lines
4.3 KiB
Python

import logging
import os
import time
from mock import patch
from pip._internal.cli.base_command import Command
from pip._internal.utils.logging import BrokenStdoutLoggingError
class FakeCommand(Command):
_name = 'fake'
def __init__(self, run_func=None, error=False):
if error:
def run_func():
raise SystemExit(1)
self.run_func = run_func
super(FakeCommand, self).__init__(self._name, self._name)
def main(self, args):
args.append("--disable-pip-version-check")
return super(FakeCommand, self).main(args)
def run(self, options, args):
logging.getLogger("pip.tests").info("fake")
if self.run_func:
return self.run_func()
class FakeCommandWithUnicode(FakeCommand):
_name = 'fake_unicode'
def run(self, options, args):
logging.getLogger("pip.tests").info(b"bytes here \xE9")
logging.getLogger("pip.tests").info(
b"unicode here \xC3\xA9".decode("utf-8")
)
class TestCommand(object):
def call_main(self, capsys, args):
"""
Call command.main(), and return the command's stderr.
"""
def raise_broken_stdout():
raise BrokenStdoutLoggingError()
cmd = FakeCommand(run_func=raise_broken_stdout)
status = cmd.main(args)
assert status == 1
stderr = capsys.readouterr().err
return stderr
def test_raise_broken_stdout(self, capsys):
"""
Test raising BrokenStdoutLoggingError.
"""
stderr = self.call_main(capsys, [])
assert stderr.rstrip() == 'ERROR: Pipe to stdout was broken'
def test_raise_broken_stdout__debug_logging(self, capsys):
"""
Test raising BrokenStdoutLoggingError with debug logging enabled.
"""
stderr = self.call_main(capsys, ['-v'])
assert 'ERROR: Pipe to stdout was broken' in stderr
assert 'Traceback (most recent call last):' in stderr
@patch('pip._internal.cli.req_command.Command.handle_pip_version_check')
def test_handle_pip_version_check_called(mock_handle_version_check):
"""
Check that Command.handle_pip_version_check() is called.
"""
cmd = FakeCommand()
cmd.main([])
mock_handle_version_check.assert_called_once()
class Test_base_command_logging(object):
"""
Test `pip.base_command.Command` setting up logging consumers based on
options
"""
def setup(self):
self.old_time = time.time
time.time = lambda: 1547704837.040001
self.old_tz = os.environ.get('TZ')
os.environ['TZ'] = 'UTC'
# time.tzset() is not implemented on some platforms (notably, Windows).
if hasattr(time, 'tzset'):
time.tzset()
def teardown(self):
if self.old_tz:
os.environ['TZ'] = self.old_tz
else:
del os.environ['TZ']
if 'tzset' in dir(time):
time.tzset()
time.time = self.old_time
def test_log_command_success(self, tmpdir):
"""
Test the --log option logs when command succeeds
"""
cmd = FakeCommand()
log_path = tmpdir.joinpath('log')
cmd.main(['fake', '--log', log_path])
with open(log_path) as f:
assert f.read().rstrip() == '2019-01-17T06:00:37,040 fake'
def test_log_command_error(self, tmpdir):
"""
Test the --log option logs when command fails
"""
cmd = FakeCommand(error=True)
log_path = tmpdir.joinpath('log')
cmd.main(['fake', '--log', log_path])
with open(log_path) as f:
assert f.read().startswith('2019-01-17T06:00:37,040 fake')
def test_log_file_command_error(self, tmpdir):
"""
Test the --log-file option logs (when there's an error).
"""
cmd = FakeCommand(error=True)
log_file_path = tmpdir.joinpath('log_file')
cmd.main(['fake', '--log-file', log_file_path])
with open(log_file_path) as f:
assert f.read().startswith('2019-01-17T06:00:37,040 fake')
def test_unicode_messages(self, tmpdir):
"""
Tests that logging bytestrings and unicode objects don't break logging
"""
cmd = FakeCommandWithUnicode()
log_path = tmpdir.joinpath('log')
cmd.main(['fake_unicode', '--log', log_path])