Files
dvc/tests/func/experiments/test_experiments.py
T
Peter Rowlands (변기호) b072370efb experiments: handle state where tmp args file was committed to git (#5052)
* git: fix Stash.push args typing

* experiments: handle case where args file was inadvertently committed to
git

* add test for args file being committed to git
2020-12-08 18:10:53 +09:00

400 lines
13 KiB
Python

import logging
import os
import stat
import pytest
from funcy import first
from dvc.utils.serialize import PythonFileCorruptedError
from tests.func.test_repro_multistage import COPY_SCRIPT
@pytest.mark.parametrize("name", [None, "foo"])
def test_new_simple(tmp_dir, scm, dvc, exp_stage, mocker, name):
from dvc.repo.experiments.utils import exp_refs_by_rev
baseline = scm.get_rev()
tmp_dir.gen("params.yaml", "foo: 2")
new_mock = mocker.spy(dvc.experiments, "new")
results = dvc.experiments.run(exp_stage.addressing, name=name)
exp = first(results)
ref_info = first(exp_refs_by_rev(scm, exp))
assert ref_info and ref_info.baseline_sha == baseline
new_mock.assert_called_once()
tree = scm.get_tree(exp)
with tree.open(tmp_dir / "metrics.yaml") as fobj:
assert fobj.read().strip() == "foo: 2"
exp_name = name if name else ref_info.name
assert dvc.experiments.get_exact_name(exp) == exp_name
assert scm.resolve_rev(exp_name) == exp
def test_experiment_exists(tmp_dir, scm, dvc, exp_stage, mocker):
from dvc.repo.experiments.base import ExperimentExistsError
dvc.experiments.run(exp_stage.addressing, name="foo", params=["foo=2"])
with pytest.raises(ExperimentExistsError):
dvc.experiments.run(exp_stage.addressing, name="foo", params=["foo=3"])
results = dvc.experiments.run(
exp_stage.addressing, name="foo", params=["foo=3"], force=True
)
exp = first(results)
tree = scm.get_tree(exp)
with tree.open(tmp_dir / "metrics.yaml") as fobj:
assert fobj.read().strip() == "foo: 3"
@pytest.mark.skipif(os.name == "nt", reason="Not supported for Windows.")
def test_file_permissions(tmp_dir, scm, dvc, exp_stage, mocker):
mode = 0o755
os.chmod(tmp_dir / "copy.py", mode)
scm.add(["copy.py"])
scm.commit("set exec")
tmp_dir.gen("params.yaml", "foo: 2")
dvc.experiments.run(exp_stage.addressing)
assert stat.S_IMODE(os.stat(tmp_dir / "copy.py").st_mode) == mode
def test_failed_exp(tmp_dir, scm, dvc, exp_stage, mocker, caplog):
from dvc.exceptions import ReproductionError
tmp_dir.gen("params.yaml", "foo: 2")
mocker.patch(
"concurrent.futures.Future.exception",
return_value=ReproductionError(exp_stage.relpath),
)
with caplog.at_level(logging.ERROR):
dvc.experiments.run(exp_stage.addressing)
assert "Failed to reproduce experiment" in caplog.text
@pytest.mark.parametrize(
"changes, expected",
[
[["foo=baz"], "{foo: baz, goo: {bag: 3}, lorem: false}"],
[["foo=baz,goo=bar"], "{foo: baz, goo: bar, lorem: false}"],
[
["goo.bag=4"],
"{foo: [bar: 1, baz: 2], goo: {bag: 4}, lorem: false}",
],
[["foo[0]=bar"], "{foo: [bar, baz: 2], goo: {bag: 3}, lorem: false}"],
[
["foo[1].baz=3"],
"{foo: [bar: 1, baz: 3], goo: {bag: 3}, lorem: false}",
],
[
["foo[1]=- baz\n- goo"],
"{foo: [bar: 1, [baz, goo]], goo: {bag: 3}, lorem: false}",
],
[
["lorem.ipsum=3"],
"{foo: [bar: 1, baz: 2], goo: {bag: 3}, lorem: {ipsum: 3}}",
],
],
)
def test_modify_params(tmp_dir, scm, dvc, mocker, changes, expected):
tmp_dir.gen("copy.py", COPY_SCRIPT)
tmp_dir.gen(
"params.yaml", "{foo: [bar: 1, baz: 2], goo: {bag: 3}, lorem: false}"
)
stage = dvc.run(
cmd="python copy.py params.yaml metrics.yaml",
metrics_no_cache=["metrics.yaml"],
params=["foo", "goo", "lorem"],
name="copy-file",
)
scm.add(["dvc.yaml", "dvc.lock", "copy.py", "params.yaml", "metrics.yaml"])
scm.commit("init")
new_mock = mocker.spy(dvc.experiments, "new")
results = dvc.experiments.run(stage.addressing, params=changes)
exp = first(results)
new_mock.assert_called_once()
tree = scm.get_tree(exp)
with tree.open(tmp_dir / "metrics.yaml") as fobj:
assert fobj.read().strip() == expected
@pytest.mark.parametrize("queue", [True, False])
def test_apply(tmp_dir, scm, dvc, exp_stage, queue):
from dvc.exceptions import InvalidArgumentError
metrics_original = (tmp_dir / "metrics.yaml").read_text().strip()
results = dvc.experiments.run(
exp_stage.addressing, params=["foo=2"], queue=queue
)
exp_a = first(results)
results = dvc.experiments.run(
exp_stage.addressing, params=["foo=3"], queue=queue
)
exp_b = first(results)
with pytest.raises(InvalidArgumentError):
dvc.experiments.apply("foo")
dvc.experiments.apply(exp_a)
assert (tmp_dir / "params.yaml").read_text().strip() == "foo: 2"
assert (
(tmp_dir / "metrics.yaml").read_text().strip() == metrics_original
if queue
else "foo: 2"
)
dvc.experiments.apply(exp_b)
assert (tmp_dir / "params.yaml").read_text().strip() == "foo: 3"
assert (
(tmp_dir / "metrics.yaml").read_text().strip() == metrics_original
if queue
else "foo: 3"
)
def test_get_baseline(tmp_dir, scm, dvc, exp_stage):
from dvc.repo.experiments.base import EXPS_STASH
init_rev = scm.get_rev()
assert dvc.experiments.get_baseline(init_rev) is None
results = dvc.experiments.run(exp_stage.addressing, params=["foo=2"])
exp_rev = first(results)
assert dvc.experiments.get_baseline(exp_rev) == init_rev
dvc.experiments.run(exp_stage.addressing, params=["foo=3"], queue=True)
assert dvc.experiments.get_baseline(f"{EXPS_STASH}@{{0}}") == init_rev
dvc.experiments.apply(exp_rev)
scm.add(["dvc.yaml", "dvc.lock", "copy.py", "params.yaml", "metrics.yaml"])
scm.commit("promote exp")
promote_rev = scm.get_rev()
assert dvc.experiments.get_baseline(promote_rev) is None
results = dvc.experiments.run(exp_stage.addressing, params=["foo=4"])
exp_rev = first(results)
assert dvc.experiments.get_baseline(exp_rev) == promote_rev
dvc.experiments.run(exp_stage.addressing, params=["foo=5"], queue=True)
assert dvc.experiments.get_baseline(f"{EXPS_STASH}@{{0}}") == promote_rev
print("stash 1")
assert dvc.experiments.get_baseline(f"{EXPS_STASH}@{{1}}") == init_rev
def test_update_py_params(tmp_dir, scm, dvc):
tmp_dir.gen("copy.py", COPY_SCRIPT)
tmp_dir.gen("params.py", "INT = 1\n")
stage = dvc.run(
cmd="python copy.py params.py metrics.py",
metrics_no_cache=["metrics.py"],
params=["params.py:INT"],
name="copy-file",
)
scm.add(["dvc.yaml", "dvc.lock", "copy.py", "params.py", "metrics.py"])
scm.commit("init")
results = dvc.experiments.run(stage.addressing, params=["params.py:INT=2"])
exp_a = first(results)
tree = scm.get_tree(exp_a)
with tree.open(tmp_dir / "params.py") as fobj:
assert fobj.read().strip() == "INT = 2"
with tree.open(tmp_dir / "metrics.py") as fobj:
assert fobj.read().strip() == "INT = 2"
tmp_dir.gen(
"params.py",
"INT = 1\nFLOAT = 0.001\nDICT = {'a': 1}\n\n"
"class Train:\n seed = 2020\n\n"
"class Klass:\n def __init__(self):\n self.a = 111\n",
)
stage = dvc.run(
cmd="python copy.py params.py metrics.py",
metrics_no_cache=["metrics.py"],
params=["params.py:INT,FLOAT,DICT,Train,Klass"],
name="copy-file",
)
scm.add(["dvc.yaml", "dvc.lock", "copy.py", "params.py", "metrics.py"])
scm.commit("init")
results = dvc.experiments.run(
stage.addressing,
params=["params.py:FLOAT=0.1,Train.seed=2121,Klass.a=222"],
)
exp_a = first(results)
result = (
"INT = 1\nFLOAT = 0.1\nDICT = {'a': 1}\n\n"
"class Train:\n seed = 2121\n\n"
"class Klass:\n def __init__(self):\n self.a = 222"
)
tree = scm.get_tree(exp_a)
with tree.open(tmp_dir / "params.py") as fobj:
assert fobj.read().strip() == result
with tree.open(tmp_dir / "metrics.py") as fobj:
assert fobj.read().strip() == result
tmp_dir.gen("params.py", "INT = 1\n")
stage = dvc.run(
cmd="python copy.py params.py metrics.py",
metrics_no_cache=["metrics.py"],
params=["params.py:INT"],
name="copy-file",
)
scm.add(["dvc.yaml", "dvc.lock", "copy.py", "params.py", "metrics.py"])
scm.commit("init")
with pytest.raises(PythonFileCorruptedError):
dvc.experiments.run(stage.addressing, params=["params.py:INT=2a"])
def test_detached_parent(tmp_dir, scm, dvc, exp_stage, mocker):
detached_rev = scm.get_rev()
tmp_dir.gen("params.yaml", "foo: 2")
dvc.reproduce(exp_stage.addressing)
scm.add(["dvc.yaml", "dvc.lock", "copy.py", "params.yaml", "metrics.yaml"])
scm.commit("v2")
scm.checkout(detached_rev)
assert scm.gitpython.repo.head.is_detached
results = dvc.experiments.run(exp_stage.addressing, params=["foo=3"])
exp_rev = first(results)
assert dvc.experiments.get_baseline(exp_rev) == detached_rev
dvc.experiments.apply(exp_rev)
assert (tmp_dir / "params.yaml").read_text().strip() == "foo: 3"
def test_branch(tmp_dir, scm, dvc, exp_stage):
from dvc.exceptions import InvalidArgumentError
with pytest.raises(InvalidArgumentError):
dvc.experiments.branch("foo", "branch")
scm.branch("branch-exists")
results = dvc.experiments.run(
exp_stage.addressing, params=["foo=2"], name="foo"
)
exp_a = first(results)
ref_a = dvc.experiments.get_branch_by_rev(exp_a)
with pytest.raises(InvalidArgumentError):
dvc.experiments.branch("foo", "branch-exists")
dvc.experiments.branch("foo", "branch-name")
dvc.experiments.branch(exp_a, "branch-rev")
dvc.experiments.branch(ref_a, "branch-ref")
for name in ["branch-name", "branch-rev", "branch-ref"]:
assert name in scm.list_branches()
assert scm.resolve_rev(name) == exp_a
tmp_dir.scm_gen({"new_file": "new_file"}, commit="new baseline")
results = dvc.experiments.run(
exp_stage.addressing, params=["foo=2"], name="foo"
)
exp_b = first(results)
ref_b = dvc.experiments.get_branch_by_rev(exp_b)
with pytest.raises(InvalidArgumentError):
dvc.experiments.branch("foo", "branch-name")
dvc.experiments.branch(ref_b, "branch-ref-b")
assert "branch-ref-b" in scm.list_branches()
assert scm.resolve_rev("branch-ref-b") == exp_b
def test_no_scm(tmp_dir):
from dvc.repo import Repo as DvcRepo
from dvc.scm.base import NoSCMError
dvc = DvcRepo.init(no_scm=True)
with pytest.raises(NoSCMError):
dvc.experiments.run()
with pytest.raises(NoSCMError):
dvc.experiments.apply()
with pytest.raises(NoSCMError):
dvc.experiments.branch()
with pytest.raises(NoSCMError):
dvc.experiments.diff()
with pytest.raises(NoSCMError):
dvc.experiments.show()
with pytest.raises(NoSCMError):
dvc.experiments.gc()
def test_untracked(tmp_dir, scm, dvc, caplog):
tmp_dir.gen("copy.py", COPY_SCRIPT)
tmp_dir.gen("params.yaml", "foo: 1")
stage = dvc.run(
cmd="python copy.py params.yaml metrics.yaml",
metrics_no_cache=["metrics.yaml"],
params=["foo"],
name="copy-file",
)
scm.add(["dvc.yaml", "dvc.lock", "params.yaml", "metrics.yaml"])
scm.commit("init")
# copy.py is untracked
with caplog.at_level(logging.ERROR):
results = dvc.experiments.run(stage.addressing, params=["foo=2"])
assert "Failed to reproduce experiment" in caplog.text
assert not results
# copy.py is staged as new file but not committed
scm.add(["copy.py"])
results = dvc.experiments.run(stage.addressing, params=["foo=2"])
exp = first(results)
tree = scm.get_tree(exp)
assert tree.exists("copy.py")
with tree.open(tmp_dir / "metrics.yaml") as fobj:
assert fobj.read().strip() == "foo: 2"
def test_dirty_lockfile(tmp_dir, scm, dvc, exp_stage):
from dvc.dvcfile import LockfileCorruptedError
tmp_dir.gen("dvc.lock", "foo")
with pytest.raises(LockfileCorruptedError):
dvc.reproduce(exp_stage.addressing)
results = dvc.experiments.run(exp_stage.addressing, params=["foo=2"])
exp = first(results)
tree = scm.get_tree(exp)
with tree.open(tmp_dir / "metrics.yaml") as fobj:
assert fobj.read().strip() == "foo: 2"
assert (tmp_dir / "dvc.lock").read_text() == "foo"
def test_packed_args_exists(tmp_dir, scm, dvc, exp_stage, caplog):
from dvc.repo.experiments.executor import BaseExecutor
tmp_dir.scm_gen(
tmp_dir / ".dvc" / "tmp" / BaseExecutor.PACKED_ARGS_FILE,
"",
commit="commit args file",
)
with caplog.at_level(logging.WARNING):
dvc.experiments.run(exp_stage.addressing)
assert "Temporary DVC file" in caplog.text