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# This file is part of "austin" which is released under GPL.
#
# See file LICENCE or go to http://www.gnu.org/licenses/ for full license
# details.
#
# Austin is a Python frame stack sampler for CPython.
#
# Copyright (c) 2022 Gabriele N. Tornetta <phoenix1987@gmail.com>.
# All rights reserved.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from test.utils import allpythons
from test.utils import austin
from test.utils import has_pattern
from test.utils import metadata
from test.utils import mojo
from test.utils import python
from test.utils import samples
from test.utils import target
@allpythons()
@mojo
def test_gc_off(py, mojo):
result = austin("-i", "1ms", *python(py), target("target_gc.py"), mojo=mojo)
assert result.returncode == 0
assert not has_pattern(":GC:", result.stdout)
@allpythons()
@mojo
def test_gc_on(py, mojo):
result = austin("-gi", "1ms", *python(py), target("target_gc.py"), mojo=mojo)
assert result.returncode == 0
meta = metadata(result.stdout)
assert float(meta["gc"]) / float(meta["duration"]) > 0.1
gcs = [_ for _ in samples(result.stdout) if ":GC:" in _]
assert len(gcs) > 10
@allpythons()
@mojo
def test_gc_disabled(py, monkeypatch, mojo):
monkeypatch.setenv("GC_DISABLED", "1")
result = austin("-gi", "10ms", *python(py), target("target_gc.py"), mojo=mojo)
assert result.returncode == 0
meta = metadata(result.stdout)
assert int(meta["gc"]) * 0.8 < int(meta["duration"]) / 20
gcs = [_ for _ in samples(result.stdout) if ":GC:" in _]
assert len(gcs) < 5
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