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from collections import Counter
from copy import deepcopy
import os
from typing import cast
from unittest import mock
import pytest
from con_duct.__main__ import EXECUTION_SUMMARY_FORMAT, ProcessStats, Report, Sample
stat0 = ProcessStats(
pcpu=0.0,
pmem=0,
rss=0,
vsz=0,
timestamp="2024-06-11T10:09:37-04:00",
etime="00:00",
cmd="cmd 0",
stat=Counter(["stat0"]),
)
stat1 = ProcessStats(
pcpu=1.0,
pmem=1.0,
rss=1,
vsz=1,
timestamp="2024-06-11T10:13:23-04:00",
etime="00:02",
cmd="cmd 1",
stat=Counter(["stat1"]),
)
stat2 = ProcessStats(
pcpu=2.0,
pmem=2.0,
rss=2,
vsz=2,
timestamp="2024-06-11T10:13:23-04:00",
etime="00:02",
cmd="cmd 2",
stat=Counter(["stat2"]),
)
stat100 = ProcessStats(
pcpu=100.0,
pmem=100.0,
rss=2,
vsz=2,
timestamp="2024-06-11T10:13:23-04:00",
etime="00:02",
cmd="cmd 100",
stat=Counter(["stat100"]),
)
stat_big = ProcessStats(
pcpu=20000.0,
pmem=21234234.0,
rss=43645634562,
vsz=2345234523452342,
timestamp="2024-06-11T10:13:23-04:00",
etime="00:02",
cmd="cmd 2",
stat=Counter(["statbig"]),
)
@mock.patch("con_duct.__main__.LogPaths")
def test_aggregation_num_samples_increment(mock_log_paths: mock.MagicMock) -> None:
ex0 = Sample()
ex0.add_pid(1, deepcopy(stat1))
mock_log_paths.prefix = "mock_prefix"
cwd = os.getcwd()
report = Report(
"_cmd", [], mock_log_paths, EXECUTION_SUMMARY_FORMAT, cwd, clobber=False
)
assert report.current_sample is None
assert report.full_run_stats.averages.num_samples == 0
report.update_from_sample(ex0)
report.current_sample = cast(
Sample, report.current_sample
) # So mypy is convcinced it is not None
assert report.current_sample is not None
assert report.current_sample.averages.num_samples == 1
assert report.full_run_stats.averages.num_samples == 1
report.update_from_sample(ex0)
assert report.current_sample.averages.num_samples == 2
assert report.full_run_stats.averages.num_samples == 2
report.update_from_sample(ex0)
assert report.current_sample.averages.num_samples == 3
assert report.full_run_stats.averages.num_samples == 3
@mock.patch("con_duct.__main__.LogPaths")
def test_aggregation_single_sample_sanity(mock_log_paths: mock.MagicMock) -> None:
ex0 = Sample()
ex0.add_pid(0, deepcopy(stat0))
ex0.add_pid(1, deepcopy(stat1))
ex0.add_pid(2, deepcopy(stat2))
mock_log_paths.prefix = "mock_prefix"
cwd = os.getcwd()
report = Report(
"_cmd", [], mock_log_paths, EXECUTION_SUMMARY_FORMAT, cwd, clobber=False
)
assert report.current_sample is None
assert report.full_run_stats.averages.num_samples == 0
report.update_from_sample(ex0)
# 3 pids in a single sample should still be "1" sample
report.current_sample = cast(
Sample, report.current_sample
) # So mypy is convcinced it is not None
assert report.current_sample is not None
assert report.full_run_stats is not None
assert report.current_sample.averages.num_samples == 1
assert report.full_run_stats.averages.num_samples == 1
# assert totals sanity
assert report.current_sample.total_rss == stat0.rss + stat1.rss + stat2.rss
assert report.current_sample.total_vsz == stat0.vsz + stat1.vsz + stat2.vsz
assert report.current_sample.total_pmem == stat0.pmem + stat1.pmem + stat2.pmem
assert report.current_sample.total_pcpu == stat0.pcpu + stat1.pcpu + stat2.pcpu
# With one sample averages should be equal to totals
assert report.current_sample.averages.rss == report.current_sample.averages.rss
assert report.current_sample.averages.vsz == report.current_sample.averages.vsz
assert report.current_sample.averages.pmem == report.current_sample.averages.pmem
assert report.current_sample.averages.pcpu == report.current_sample.averages.pcpu
@pytest.mark.parametrize("stat", [stat0, stat1, stat2, stat_big])
@mock.patch("con_duct.__main__.LogPaths")
def test_aggregation_single_stat_multiple_samples_sanity(
mock_log_paths: mock.MagicMock, stat: ProcessStats
) -> None:
ex0 = Sample()
ex0.add_pid(1, deepcopy(stat))
mock_log_paths.prefix = "mock_prefix"
cwd = os.getcwd()
report = Report(
"_cmd", [], mock_log_paths, EXECUTION_SUMMARY_FORMAT, cwd, clobber=False
)
assert report.current_sample is None
assert report.full_run_stats.averages.num_samples == 0
report.update_from_sample(ex0)
report.update_from_sample(ex0)
report.update_from_sample(ex0)
report.current_sample = cast(
Sample, report.current_sample
) # So mypy is convcinced it is not None
assert report.current_sample is not None
assert report.current_sample.averages.num_samples == 3
assert report.full_run_stats.averages.num_samples == 3
# With 3 identical samples, totals should be identical to 1 sample
assert report.current_sample.total_rss == stat.rss
assert report.current_sample.total_vsz == stat.vsz
assert report.current_sample.total_pmem == stat.pmem
assert report.current_sample.total_pcpu == stat.pcpu
# Without resetting the current sample, full_run_stats should equal current_sample
assert report.full_run_stats.total_rss == report.current_sample.total_rss
assert report.full_run_stats.total_vsz == report.current_sample.total_vsz
assert report.full_run_stats.total_pmem == report.current_sample.total_pmem
assert report.full_run_stats.total_pcpu == report.current_sample.total_pcpu
# Averages too
assert report.current_sample.averages.rss == report.full_run_stats.averages.rss
assert report.current_sample.averages.vsz == report.full_run_stats.averages.vsz
assert report.current_sample.averages.pmem == report.full_run_stats.averages.pmem
assert report.current_sample.averages.pcpu == report.full_run_stats.averages.pcpu
# With 3 identical samples, averages should be identical to 1 sample
assert report.current_sample.averages.rss == report.current_sample.total_rss
assert report.current_sample.averages.vsz == report.current_sample.total_vsz
assert report.current_sample.averages.pmem == report.current_sample.total_pmem
assert report.current_sample.averages.pcpu == report.current_sample.total_pcpu
@mock.patch("con_duct.__main__.LogPaths")
def test_aggregation_averages(mock_log_paths: mock.MagicMock) -> None:
sample0 = Sample()
sample0.add_pid(1, deepcopy(stat0))
sample1 = Sample()
sample1.add_pid(1, deepcopy(stat1))
sample2 = Sample()
sample2.add_pid(1, deepcopy(stat2))
mock_log_paths.prefix = "mock_prefix"
cwd = os.getcwd()
report = Report(
"_cmd", [], mock_log_paths, EXECUTION_SUMMARY_FORMAT, cwd, clobber=False
)
assert report.current_sample is None
assert report.full_run_stats.averages.num_samples == 0
report.update_from_sample(sample0)
report.update_from_sample(sample1)
report.update_from_sample(sample2)
report.current_sample = cast(
Sample, report.current_sample
) # So mypy is convcinced it is not None
assert report.current_sample is not None
assert report.current_sample.averages.num_samples == 3
assert report.full_run_stats.averages.num_samples == 3
# Assert that average calculation works as expected
assert (
report.current_sample.averages.rss == (stat0.rss + stat1.rss + stat2.rss) / 3.0
)
assert (
report.current_sample.averages.vsz == (stat0.vsz + stat1.vsz + stat2.vsz) / 3.0
)
assert (
report.current_sample.averages.pmem
== (stat0.pmem + stat1.pmem + stat2.pmem) / 3.0
)
assert (
report.current_sample.averages.pcpu
== (stat0.pcpu + stat1.pcpu + stat2.pcpu) / 3.0
)
# And full_run_stats.averages is still identical
assert report.current_sample.averages.rss == report.full_run_stats.averages.rss
assert report.current_sample.averages.vsz == report.full_run_stats.averages.vsz
assert report.current_sample.averages.pmem == report.full_run_stats.averages.pmem
assert report.current_sample.averages.pcpu == report.full_run_stats.averages.pcpu
# Lets make the arithmetic a little less round
report.update_from_sample(sample2)
report.update_from_sample(sample2)
report.update_from_sample(sample2)
assert report.current_sample.averages.num_samples == 6
assert report.full_run_stats.averages.num_samples == 6
assert (
report.current_sample.averages.rss
== (stat0.rss + stat1.rss + stat2.rss * 4) / 6.0
)
assert (
report.current_sample.averages.vsz
== (stat0.vsz + stat1.vsz + stat2.vsz * 4) / 6.0
)
assert (
report.current_sample.averages.pmem
== (stat0.pmem + stat1.pmem + stat2.pmem * 4) / 6.0
)
assert (
report.current_sample.averages.pcpu
== (stat0.pcpu + stat1.pcpu + stat2.pcpu * 4) / 6.0
)
@mock.patch("con_duct.__main__.LogPaths")
def test_aggregation_current_ave_diverges_from_total_ave(
mock_log_paths: mock.MagicMock,
) -> None:
sample0 = Sample()
sample0.add_pid(1, deepcopy(stat0))
sample1 = Sample()
sample1.add_pid(1, deepcopy(stat1))
sample2 = Sample()
sample2.add_pid(1, deepcopy(stat2))
mock_log_paths.prefix = "mock_prefix"
cwd = os.getcwd()
report = Report(
"_cmd", [], mock_log_paths, EXECUTION_SUMMARY_FORMAT, cwd, clobber=False
)
assert report.current_sample is None
assert report.full_run_stats.averages.num_samples == 0
report.update_from_sample(sample0)
report.update_from_sample(sample1)
report.update_from_sample(sample2)
report.current_sample = cast(
Sample, report.current_sample
) # So mypy is convcinced it is not None
assert report.current_sample is not None
assert report.current_sample.averages.num_samples == 3
assert report.full_run_stats.averages.num_samples == 3
# full_run_stats.averages is still identical to current_sample
assert report.current_sample.averages.rss == report.full_run_stats.averages.rss
assert report.current_sample.averages.vsz == report.full_run_stats.averages.vsz
assert report.current_sample.averages.pmem == report.full_run_stats.averages.pmem
assert report.current_sample.averages.pcpu == report.full_run_stats.averages.pcpu
# Reset current_sample so averages will diverge from full_run_stats.averages
report.current_sample = None
report.update_from_sample(sample2)
report.update_from_sample(sample2)
report.update_from_sample(sample2)
report.current_sample = cast(
Sample, report.current_sample
) # So mypy is convcinced it is not None
assert report.current_sample is not None
assert report.current_sample.averages.num_samples == 3
assert report.full_run_stats.averages.num_samples == 6
# Current sample should only contain sample2
assert report.current_sample.averages.rss == sample2.total_rss
assert report.current_sample.averages.vsz == sample2.total_vsz
assert report.current_sample.averages.pmem == sample2.total_pmem
assert report.current_sample.averages.pcpu == sample2.total_pcpu
# Full sample average should == (samples_sum/num_samples)
assert (
report.full_run_stats.averages.rss
== (stat0.rss + stat1.rss + stat2.rss * 4) / 6.0
)
assert (
report.full_run_stats.averages.vsz
== (stat0.vsz + stat1.vsz + stat2.vsz * 4) / 6.0
)
assert (
report.full_run_stats.averages.pmem
== (stat0.pmem + stat1.pmem + stat2.pmem * 4) / 6.0
)
assert (
report.full_run_stats.averages.pcpu
== (stat0.pcpu + stat1.pcpu + stat2.pcpu * 4) / 6.0
)
@pytest.mark.parametrize("stat", [stat0, stat1, stat2, stat_big])
@mock.patch("con_duct.__main__.LogPaths")
def test_aggregation_many_samples(
mock_log_paths: mock.MagicMock, stat: ProcessStats
) -> None:
sample1 = Sample()
pid = 1
sample1.add_pid(pid, deepcopy(stat))
mock_log_paths.prefix = "mock_prefix"
cwd = os.getcwd()
report = Report(
"_cmd", [], mock_log_paths, EXECUTION_SUMMARY_FORMAT, cwd, clobber=False
)
assert report.current_sample is None
assert report.full_run_stats.averages.num_samples == 0
# Ensure nothing strange happens after many updates
for _ in range(100):
report.update_from_sample(sample1)
report.current_sample = cast(
Sample, report.current_sample
) # So mypy is convcinced it is not None
assert report.current_sample is not None
# Assert that there is exactly 1 ProcessStat.stat count per update
assert (
sum(report.current_sample.stats[pid].stat.values())
== report.full_run_stats.averages.num_samples
== 100
)
assert report.full_run_stats.averages.rss == (stat.rss * 100) / 100.0
assert report.full_run_stats.averages.vsz == (stat.vsz * 100) / 100.0
assert report.full_run_stats.averages.pmem == (stat.pmem * 100) / 100.0
assert report.full_run_stats.averages.pcpu == (stat.pcpu * 100) / 100.0
# Add a stat that is not 0 and check that the average is still correct
sample2 = Sample()
sample2.add_pid(1, deepcopy(stat2))
report.update_from_sample(sample2)
assert report.full_run_stats.averages.num_samples == 101
assert report.full_run_stats.averages.rss == (stat.rss * 100 + stat2.rss) / 101.0
assert report.full_run_stats.averages.vsz == (stat.vsz * 100 + stat2.vsz) / 101.0
assert report.full_run_stats.averages.pmem == (stat.pmem * 100 + stat2.pmem) / 101.0
assert report.full_run_stats.averages.pcpu == (stat.pcpu * 100 + stat2.pcpu) / 101.0
@mock.patch("con_duct.__main__.LogPaths")
def test_aggregation_sample_no_pids(mock_log_paths: mock.MagicMock) -> None:
sample0 = Sample()
mock_log_paths.prefix = "mock_prefix"
cwd = os.getcwd()
report = Report(
"_cmd", [], mock_log_paths, EXECUTION_SUMMARY_FORMAT, cwd, clobber=False
)
# When there are no pids, finalization should be triggered because the exe is finished,
# so a Sample with no PIDs should never be passed to update_from_sample.
with pytest.raises(AssertionError):
report.update_from_sample(sample0)
@mock.patch("con_duct.__main__.LogPaths")
def test_aggregation_no_false_peak(mock_log_paths: mock.MagicMock) -> None:
sample1 = Sample()
sample2 = Sample()
mock_log_paths.prefix = "mock_prefix"
cwd = os.getcwd()
report = Report(
"_cmd", [], mock_log_paths, EXECUTION_SUMMARY_FORMAT, cwd, clobber=False
)
sample1.add_pid(1, deepcopy(stat100))
sample1.add_pid(2, deepcopy(stat0))
report.update_from_sample(sample1)
sample2.add_pid(1, deepcopy(stat0))
sample2.add_pid(2, deepcopy(stat100))
report.update_from_sample(sample2)
assert report.current_sample is not None
assert report.current_sample.total_pcpu == 100
|
