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# This file is part of Hypothesis, which may be found at
# https://github.com/HypothesisWorks/hypothesis/
#
# Copyright the Hypothesis Authors.
# Individual contributors are listed in AUTHORS.rst and the git log.
#
# This Source Code Form is subject to the terms of the Mozilla Public License,
# v. 2.0. If a copy of the MPL was not distributed with this file, You can
# obtain one at https://mozilla.org/MPL/2.0/.
import traceback
import pytest
from hypothesis import Verbosity, given, settings, strategies as st
@pytest.mark.parametrize("verbosity", [Verbosity.normal, Verbosity.debug])
@pytest.mark.parametrize("env_value", ["", "1"])
def test_tracebacks_omit_hypothesis_internals(monkeypatch, env_value, verbosity):
monkeypatch.setenv("HYPOTHESIS_NO_TRACEBACK_TRIM", env_value)
@settings(verbosity=verbosity)
@given(st.just(False))
def simplest_failure(x):
raise ValueError
try:
simplest_failure()
except ValueError as e:
tb = traceback.extract_tb(e.__traceback__)
# Unless in debug mode, Hypothesis adds 1 frame - the least possible!
# (4 frames: this one, simplest_failure, internal frame, assert False)
if verbosity < Verbosity.debug and not env_value:
assert len(tb) == 4
else:
assert len(tb) >= 5
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