def test_patch_item(self):
"""Test :class:`humanfriendly.testing.PatchedItem`."""
instance = dict(my_item=True)
assert instance['my_item'] is True
with PatchedItem(instance, 'my_item', False) as return_value:
assert return_value is instance
assert instance['my_item'] is False
assert instance['my_item'] is True
def test_env_disable(self):
"""Make sure ANSI escape sequences can be disabled using ``$NO_COLOR``."""
with PatchedItem(os.environ, 'NO_COLOR', 'I like monochrome'):
with CaptureOutput() as capturer:
subprocess.check_call([
sys.executable, "-c", ";".join([
"import coloredlogs, logging",
"coloredlogs.install()",
"logging.info('Hello world')",
]),
])
output = capturer.get_text()
assert ANSI_CSI not in output
def test_clipboard_enabled(self):
"""Test the detection whether the clipboard should be used."""
# Make sure the clipboard is enabled by default on macOS.
if platform.system().lower() == 'darwin':
assert is_clipboard_supported() is True
else:
# Make sure the clipboard is used when $DISPLAY is set.
with PatchedItem(os.environ, 'DISPLAY', ':0'):
assert is_clipboard_supported() is True
# Make sure the clipboard is not used when $DISPLAY isn't set.
environment = os.environ.copy()
environment.pop('DISPLAY', None)
with PatchedAttribute(os, 'environ', environment):
assert is_clipboard_supported() is False
def test_directory_variable(self):
"""Test support for ``$PASSWORD_STORE_DIR``."""
with TemporaryDirectory() as directory:
with PatchedItem(os.environ, DIRECTORY_VARIABLE, directory):
program = PasswordStore()
assert program.directory == directory
def test_disable_colored_cron_mailer(self):
"""Test that automatic ANSI to HTML conversion when running under ``cron`` can be disabled."""
with PatchedItem(os.environ, 'CONTENT_TYPE', 'text/plain'):
with ColoredCronMailer() as mailer:
assert not mailer.is_enabled
def test_system_logging_override(self):
"""Make sure the :class:`coloredlogs.syslog.is_syslog_supported` respects the override."""
with PatchedItem(os.environ, 'COLOREDLOGS_SYSLOG', 'true'):
assert is_syslog_supported() is True
with PatchedItem(os.environ, 'COLOREDLOGS_SYSLOG', 'false'):
assert is_syslog_supported() is False