Files
dvc/tests/unit/test_lockfile.py
T
Casper da Costa-Luis 2bb7257a06 lint: isort pre-commit & misc improvements (#3749)
* test: clean flake8 config root clutter

* test: pre-commit: add isort

Compatible with black (see https://github.com/timothycrosley/isort/issues/694)

* lint: reorder imports

* lint: more complex imports

* lint: fix deepsource

* config: isort: add first party dvc

* tests: restyled: add isort

* temp commit to revert before merge

* Revert "temp commit to revert before merge"

This reverts commit 11db0fd8e95fe891597cbb9bf804480909b19e24.
2020-05-06 23:56:07 +03:00

86 lines
2.5 KiB
Python

import pytest
import yaml
from dvc.dvcfile import Lockfile, LockfileCorruptedError
from dvc.stage import PipelineStage
def test_stage_dump_no_outs_deps(tmp_dir, dvc):
stage = PipelineStage(name="s1", repo=dvc, path="path", cmd="command")
lockfile = Lockfile(dvc, "path.lock")
lockfile.dump(stage)
assert lockfile.load() == {"s1": {"cmd": "command"}}
def test_stage_dump_when_already_exists(tmp_dir, dvc):
data = {"s1": {"cmd": "command", "deps": [], "outs": []}}
with open("path.lock", "w+") as f:
yaml.dump(data, f)
stage = PipelineStage(name="s2", repo=dvc, path="path", cmd="command2")
lockfile = Lockfile(dvc, "path.lock")
lockfile.dump(stage)
assert lockfile.load() == {
**data,
"s2": {"cmd": "command2"},
}
def test_stage_dump_with_deps_and_outs(tmp_dir, dvc):
data = {
"s1": {
"cmd": "command",
"deps": [{"md5": "1.txt", "path": "checksum"}],
"outs": [{"md5": "2.txt", "path": "checksum"}],
}
}
with open("path.lock", "w+") as f:
yaml.dump(data, f)
lockfile = Lockfile(dvc, "path.lock")
stage = PipelineStage(name="s2", repo=dvc, path="path", cmd="command2")
lockfile.dump(stage)
assert lockfile.load() == {
**data,
"s2": {"cmd": "command2"},
}
def test_stage_overwrites_if_already_exists(tmp_dir, dvc):
lockfile = Lockfile(dvc, "path.lock",)
stage = PipelineStage(name="s2", repo=dvc, path="path", cmd="command2")
lockfile.dump(stage)
stage = PipelineStage(name="s2", repo=dvc, path="path", cmd="command3")
lockfile.dump(stage)
assert lockfile.load() == {
"s2": {"cmd": "command3"},
}
def test_load_when_lockfile_does_not_exist(tmp_dir, dvc):
assert {} == Lockfile(dvc, "pipelines.lock").load()
@pytest.mark.parametrize(
"corrupt_data",
[
{"s1": {"outs": []}},
{"s1": {}},
{
"s1": {
"cmd": "command",
"outs": [
{"md5": "checksum", "path": "path", "random": "value"}
],
}
},
{"s1": {"cmd": "command", "deps": [{"md5": "checksum"}]}},
],
)
def test_load_when_lockfile_is_corrupted(tmp_dir, dvc, corrupt_data):
with open("Dvcfile.lock", "w+") as f:
yaml.dump(corrupt_data, f)
lockfile = Lockfile(dvc, "Dvcfile.lock")
with pytest.raises(LockfileCorruptedError) as exc_info:
lockfile.load()
assert "Dvcfile.lock" in str(exc_info.value)