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from __future__ import annotations
import os
import pytest
from zabbix_cli.output.prompts import HEADLESS_VARS_SET
from zabbix_cli.output.prompts import TRUE_ARGS
from zabbix_cli.output.prompts import is_headless
@pytest.mark.parametrize("envvar", HEADLESS_VARS_SET)
@pytest.mark.parametrize("value", TRUE_ARGS)
def test_is_headless_set_true(envvar: str, value: str):
"""Returns True when the envvar is set to a truthy value."""
_do_test_is_headless(envvar, value, True)
@pytest.mark.parametrize("envvar", HEADLESS_VARS_SET)
@pytest.mark.parametrize("value", ["0", "false", "", None])
def test_is_headless_set_false(envvar: str, value: str):
"""Returns False when the envvar is set to a falsey value or unset"""
_do_test_is_headless(envvar, value, False)
@pytest.mark.parametrize(
"envvar, value, expected",
[
("DEBIAN_FRONTEND", "noninteractive", True),
("DEBIAN_FRONTEND", "teletype", False),
("DEBIAN_FRONTEND", "readline", False),
("DEBIAN_FRONTEND", "dialog", False),
("DEBIAN_FRONTEND", "gtk", False),
("DEBIAN_FRONTEND", "text", False),
("DEBIAN_FRONTEND", "anything", False),
("DEBIAN_FRONTEND", None, False),
("DEBIAN_FRONTEND", "", False),
("DEBIAN_FRONTEND", "0", False),
("DEBIAN_FRONTEND", "false", False),
("DEBIAN_FRONTEND", "1", False),
("DEBIAN_FRONTEND", "true", False),
],
)
def test_is_headless_map(envvar: str, value: str, expected: bool) -> None:
"""Returns True when the envvar is set to a specific value."""
_do_test_is_headless(envvar, value, expected)
def _do_test_is_headless(envvar: str, value: str | None, expected: bool):
"""Helper function for testing is_headless.
Sets/clears envvar before testing, then clears cache and envvar after test.
"""
_orig_environ = os.environ.copy()
os.environ.clear()
try:
if value is None:
os.environ.pop(envvar, None)
else:
os.environ[envvar] = value
assert is_headless() == expected
finally:
# IMPORTANT: Remove envvar and clear cache after each test
os.environ = _orig_environ # type: ignore # noqa: B003 # I _think_ this is fine?
is_headless.cache_clear()
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