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have application return exit code for easier testing

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This commit is contained in:
Anthony Sottile 2021-11-14 16:24:59 -08:00
parent 5a85dd8ddb
commit 81a4110338
5 changed files with 33 additions and 36 deletions
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15
tests/integration/test_main.py
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@ -11,9 +11,8 @@ from flake8.main import cli
def _call_main(argv, retv=0):
with pytest.raises(SystemExit) as excinfo:
cli.main(argv)
assert excinfo.value.code == retv
exit_code = cli.main(argv)
assert exit_code == retv
def test_diff_option(tmpdir, capsys):
@ -221,7 +220,9 @@ def test_tokenization_error_is_a_syntax_error(tmpdir, capsys):
def test_bug_report_successful(capsys):
"""Test that --bug-report does not crash."""
_call_main(["--bug-report"])
with pytest.raises(SystemExit) as excinfo:
_call_main(["--bug-report"])
assert excinfo.value.args[0] == 0
out, err = capsys.readouterr()
assert json.loads(out)
assert err == ""
@ -316,8 +317,10 @@ t.py:1:9: W292 no newline at end of file
def test_obtaining_args_from_sys_argv_when_not_explicity_provided(capsys):
"""Test that arguments are obtained from 'sys.argv'."""
with mock.patch("sys.argv", ["flake8", "--help"]):
_call_main(None)
with pytest.raises(SystemExit) as excinfo:
with mock.patch("sys.argv", ["flake8", "--help"]):
_call_main(None)
assert excinfo.value.args[0] == 0
out, err = capsys.readouterr()
assert out.startswith("usage: flake8 [options] file file ...\n")