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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 itertools import takewhile
from subprocess import check_output
from test.utils import allpythons
from test.utils import austin
from test.utils import compress
from test.utils import has_pattern
from test.utils import metadata
from test.utils import processes
from test.utils import python
from test.utils import samples
from test.utils import sum_metric
from test.utils import target
from test.utils import threads
@allpythons()
def test_pipe_wall_time(py):
interval = 1
result = austin("-Pi", f"{interval}ms", *python(py), target())
assert result.returncode == 0
meta = metadata(result.stdout)
assert ".".join((str(_) for _ in meta["python"])).startswith(py), meta
assert meta["mode"] == "wall", meta
assert int(meta["duration"]) > 100000, meta
assert meta["interval"] == str(interval * 1000), meta
assert len(processes(result.stdout)) == 1
ts = threads(result.stdout)
assert len(ts) == 2, ts
assert has_pattern(result.stdout, "target34.py:keep_cpu_busy:32")
assert not has_pattern(result.stdout, "Unwanted")
a = sum_metric(result.stdout)
d = int(meta["duration"])
assert 0 < 0.8 * d < a < 2.2 * d
@allpythons()
def test_pipe_cpu_time(py):
result = austin("-sPi", "1ms", *python(py), target())
assert result.returncode == 0
meta = metadata(result.stdout)
assert ".".join((str(_) for _ in meta["python"])).startswith(py), meta
assert meta["mode"] == "cpu", meta
assert int(meta["duration"]) > 100000, meta
assert meta["interval"] == "1000", meta
@allpythons()
def test_pipe_wall_time_multiprocess(py):
result = austin("-CPi", "1ms", *python(py), target())
assert result.returncode == 0
meta = metadata(result.stdout)
assert meta["mode"] == "wall", meta
assert int(meta["duration"]) > 100000, meta
assert meta["interval"] == "1000", meta
assert meta["multiprocess"] == "on", meta
assert ".".join((str(_) for _ in meta["python"])).startswith(py), meta
@allpythons()
def test_pipe_wall_time_multiprocess_output(py, tmp_path):
datafile = tmp_path / "test_pipe.austin"
result = austin("-CPi", "1ms", "-o", str(datafile), *python(py), target())
assert result.returncode == 0
with datafile.open() as f:
data = f.read()
meta = metadata(data)
assert meta, meta
assert meta["mode"] == "wall", meta
assert int(meta["duration"]) > 100000, meta
assert meta["interval"] == "1000", meta
assert meta["multiprocess"] == "on", meta
assert ".".join((str(_) for _ in meta["python"])).startswith(py), meta
assert has_pattern(data, "target34.py:keep_cpu_busy:32"), compress(data)
a = sum(int(_.rpartition(" ")[-1]) for _ in samples(data))
d = int(meta["duration"])
assert 0 < 0.8 * d < a < 2.2 * d
@allpythons(min=(3, 11))
def test_python_version(py):
result = austin("-Pi", "1s", *python(py), target())
assert result.returncode == 0
meta = metadata(result.stdout)
reported_version = ".".join((str(_) for _ in meta["python"]))
# Take the version from the interpreter itself, discarding anything after
# the patchlevel.
actual_version = "".join(
takewhile(
lambda _: _.isdigit() or _ == ".",
(check_output([*python(py), "-V"]).decode().strip().partition(" ")[-1]),
)
)
assert reported_version == actual_version, meta
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