Files
dvc/tests/func/test_live.py
T

131 lines
3.6 KiB
Python

from textwrap import dedent
import pytest
from dvc import stage as stage_module
from dvc.exceptions import MetricsError
LIVE_SCRITP = dedent(
"""
import dvclive
import sys
r = 2
for i in range(r):
dvclive.log("loss", 1-i/r)
dvclive.log("accuracy", i/r)
dvclive.next_step()"""
)
@pytest.fixture
def live_stage(tmp_dir, scm, dvc):
pytest.skip("dvclive does not exist yet")
def make(summary=True, report=True):
tmp_dir.gen("train.py", LIVE_SCRITP)
tmp_dir.gen("params.yaml", "foo: 1")
stage = dvc.run(
cmd="python train.py",
params=["foo"],
deps=["train.py"],
name="live_stage",
live="logs",
live_summary=summary,
live_report=report,
)
scm.add(["dvc.yaml", "dvc.lock", "train.py", "params.yaml"])
scm.commit("initial: live_stage")
return stage
yield make
@pytest.mark.parametrize("report", (True, False))
@pytest.mark.parametrize("summary", (True, False))
def test_export_config_tmp(tmp_dir, dvc, mocker, summary, report):
run_spy = mocker.spy(stage_module.run, "_run")
tmp_dir.gen("src", "dependency")
dvc.run(
cmd="mkdir logs && touch logs.json",
deps=["src"],
name="run_logger",
live="logs",
live_summary=summary,
live_report=report,
)
assert run_spy.call_count == 1
_, kwargs = run_spy.call_args
assert "DVCLIVE_PATH" in kwargs["env"]
assert kwargs["env"]["DVCLIVE_PATH"] == "logs"
assert "DVCLIVE_SUMMARY" in kwargs["env"]
assert kwargs["env"]["DVCLIVE_SUMMARY"] == str(int(summary))
assert "DVCLIVE_REPORT" in kwargs["env"]
assert kwargs["env"]["DVCLIVE_REPORT"] == str(int(report))
@pytest.mark.parametrize("summary", (True, False))
def test_export_config(tmp_dir, dvc, mocker, summary, live_stage):
run_spy = mocker.spy(stage_module.run, "_run")
live_stage(summary=summary)
assert run_spy.call_count == 1
_, kwargs = run_spy.call_args
assert "DVCLIVE_PATH" in kwargs["env"]
assert kwargs["env"]["DVCLIVE_PATH"] == "logs"
assert "DVCLIVE_SUMMARY" in kwargs["env"]
assert kwargs["env"]["DVCLIVE_SUMMARY"] == str(int(summary))
def test_live_provides_metrics(tmp_dir, dvc, live_stage):
live_stage(summary=True)
assert (tmp_dir / "logs.json").is_file()
assert dvc.metrics.show() == {
"": {"logs.json": {"step": 1, "loss": 0.5, "accuracy": 0.5}}
}
assert (tmp_dir / "logs").is_dir()
plots = dvc.plots.show()
assert "logs/accuracy.tsv" in plots
assert "logs/loss.tsv" in plots
def test_live_provides_no_metrics(tmp_dir, dvc, live_stage):
live_stage(summary=False)
assert not (tmp_dir / "logs.json").is_file()
with pytest.raises(MetricsError):
assert dvc.metrics.show() == {}
assert (tmp_dir / "logs").is_dir()
plots = dvc.plots.show()
assert "logs/accuracy.tsv" in plots
assert "logs/loss.tsv" in plots
def test_experiments_track_summary(tmp_dir, scm, dvc, live_stage):
live_stage(summary=True)
baseline_rev = scm.get_rev()
experiments = dvc.experiments.run(targets=["live_stage"], params=["foo=2"])
assert len(experiments) == 1
((exp_rev, _),) = experiments.items()
res = dvc.experiments.show()
assert "logs.json" in res[baseline_rev][exp_rev]["metrics"].keys()
@pytest.mark.parametrize("report", [True, False])
def test_live_report(tmp_dir, dvc, live_stage, report):
live_stage(report=report)
assert (tmp_dir / "logs.html").is_file() == report