xonsh/tests/completers/test_environment_completer.py

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import pytest
from xonsh.parsers.completion_context import CompletionContextParser
from xonsh.completers.environment import complete_environment_vars
@pytest.fixture(scope="session")
def parser():
return CompletionContextParser()
@pytest.mark.parametrize("cmd", (
"ls $WO",
"ls /home/$WO",
"ls @('hi ' + $WO",
))
def test_simple(cmd, xonsh_builtins, monkeypatch, parser):
monkeypatch.setitem(xonsh_builtins.__xonsh__.env, "WOW", 1)
context = parser.parse(cmd, len(cmd))
assert complete_environment_vars(context) == ({"$WOW"}, 3)