mirror of
https://github.com/Stone-Red-Code/dvc.git
synced 2026-11-02 07:18:25 +01:00
Saugat Pachhai
6c33fbb617
* introduce index * migrate tests to use index * migrate checkout/diff to use index.outs * test for index * fix typings * add few more tests
248 lines
7.3 KiB
Python
248 lines
7.3 KiB
Python
import os
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from itertools import chain
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import pytest
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from pygtrie import Trie
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from dvc.repo.index import Index
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from dvc.stage import PipelineStage, Stage
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from dvc.utils import relpath
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from tests.func.plots.utils import _write_json
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def test_index(tmp_dir, scm, dvc, run_copy):
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(stage1,) = tmp_dir.dvc_gen("foo", "foo")
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stage2 = run_copy("foo", "bar", name="copy-foo-bar")
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tmp_dir.commit([s.outs[0].fspath for s in (stage1, stage2)], msg="add")
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index = Index(dvc)
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assert index.fs == dvc.fs
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assert len(index) == len(index.stages) == 2
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assert set(index.stages) == set(index) == {stage1, stage2}
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assert stage1 in index
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assert stage2 in index
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assert index.outs_graph
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assert index.graph
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assert index.build_graph()
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assert isinstance(index.outs_trie, Trie)
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assert index.identifier
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index.check_graph()
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def test_repr(tmp_dir, scm, dvc):
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tmp_dir.dvc_gen("foo", "foo", commit="add foo")
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brancher = dvc.brancher([scm.get_rev()])
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rev = next(brancher)
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assert rev == "workspace"
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assert repr(Index(dvc)) == f"Index({dvc}, fs@{rev})"
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rev = next(brancher)
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assert rev == scm.get_rev()
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assert repr(Index(dvc)) == f"Index({dvc}, fs@{rev[:7]})"
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def test_filter_index(tmp_dir, dvc, run_copy):
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tmp_dir.dvc_gen("foo", "foo")
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stage2 = run_copy("foo", "bar", name="copy-foo-bar")
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def filter_pipeline(stage):
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return bool(stage.cmd)
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filtered_index = Index(dvc).filter(filter_pipeline)
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assert list(filtered_index) == [stage2]
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def test_slice_index(tmp_dir, dvc):
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tmp_dir.gen({"dir1": {"foo": "foo"}, "dir2": {"bar": "bar"}})
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with (tmp_dir / "dir1").chdir():
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(stage1,) = dvc.add("foo")
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with (tmp_dir / "dir2").chdir():
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(stage2,) = dvc.add("bar")
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index = Index(dvc)
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sliced = index.slice("dir1")
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assert set(sliced) == {stage1}
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assert sliced.stages is not index.stages # sanity check
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sliced = index.slice(tmp_dir / "dir1")
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assert set(sliced) == {stage1}
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sliced = index.slice("dir2")
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assert set(sliced) == {stage2}
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with (tmp_dir / "dir1").chdir():
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sliced = index.slice(relpath(tmp_dir / "dir2"))
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assert set(sliced) == {stage2}
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def outputs_equal(actual, expected):
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actual, expected = list(actual), list(expected)
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def sort_fn(output):
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return output.fspath
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assert len(actual) == len(expected)
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pairs = zip(sorted(actual, key=sort_fn), sorted(expected, key=sort_fn))
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assert all(actual.fspath == expected.fspath for actual, expected in pairs)
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return True
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def test_deps_outs_getters(tmp_dir, dvc, run_copy_metrics):
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(foo_stage,) = tmp_dir.dvc_gen({"foo": "foo"})
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tmp_dir.gen({"params.yaml": "param: 100\n"})
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tmp_dir.gen({"m_temp.yaml": str(5)})
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run_stage1 = run_copy_metrics(
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"m_temp.yaml",
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"m.yaml",
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metrics=["m.yaml"],
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params=["param"],
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name="copy-metrics",
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)
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_write_json(tmp_dir, [{"a": 1, "b": 2}, {"a": 2, "b": 3}], "metric_t.json")
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run_stage2 = run_copy_metrics(
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"metric_t.json",
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"metric.json",
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plots_no_cache=["metric.json"],
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name="copy-metrics2",
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)
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index = Index(dvc)
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stages = [foo_stage, run_stage1, run_stage2]
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(metrics,) = run_stage1.outs
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_, params = run_stage1.deps
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(plots,) = run_stage2.outs
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expected_outs = chain.from_iterable([stage.outs for stage in stages])
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expected_deps = chain.from_iterable([stage.deps for stage in stages])
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assert outputs_equal(index.outs, expected_outs)
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assert outputs_equal(index.deps, expected_deps)
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assert outputs_equal(index.decorated_outputs, [metrics, plots])
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assert outputs_equal(index.metrics, [metrics])
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assert outputs_equal(index.plots, [plots])
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assert outputs_equal(index.params, [params])
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def test_add_update(dvc):
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"""Test that add/update overwrites existing stages with the new ones.
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The old stages and the new ones might have same hash, so we are
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making sure that the old stages were removed and replaced by new ones
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using `id`/`is` checks.
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"""
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index = Index(dvc)
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new_stage = Stage(dvc, path="path1")
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new_index = index.add(new_stage)
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assert not index.stages
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assert new_index.stages == [new_stage]
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dup_stage1 = Stage(dvc, path="path1")
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dup_stage2 = Stage(dvc, path="path2")
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dup_index = index.update([dup_stage1, dup_stage2])
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assert not index.stages
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assert len(new_index) == 1
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assert new_index.stages[0] is new_stage
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assert set(map(id, dup_index.stages)) == {id(dup_stage1), id(dup_stage2)}
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def assert_index_equal(first, second, strict=True, ordered=True):
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assert len(first) == len(second), "Index have different no. of stages"
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assert set(first) == set(second), "Index does not have same stages"
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if ordered:
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assert list(first) == list(
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second
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), "Index does not have same sequence of stages"
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if strict:
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assert set(map(id, first)) == set(
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map(id, second)
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), "Index is not strictly equal"
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def test_discard_remove(dvc):
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stage = Stage(dvc, path="path1")
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index = Index(dvc, stages=[stage])
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assert list(index.discard(Stage(dvc, "path2"))) == list(index)
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new_index = index.discard(stage)
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assert len(new_index) == 0
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with pytest.raises(ValueError):
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index.remove(Stage(dvc, "path2"))
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assert index.stages == [stage]
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assert list(index.remove(stage)) == []
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def test_difference(dvc):
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stages = [Stage(dvc, path=f"path{i}") for i in range(10)]
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index = Index(dvc, stages=stages)
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new_index = index.difference([*stages[:5], Stage(dvc, path="path100")])
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assert index.stages == stages
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assert set(new_index) == set(stages[5:])
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def test_dumpd(dvc):
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stages = [
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PipelineStage(dvc, "dvc.yaml", name="stage1"),
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Stage(dvc, "path"),
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]
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index = Index(dvc, stages=stages)
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assert index.dumpd() == {"dvc.yaml:stage1": {}, "path": {}}
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assert index.identifier == "d43da84e9001540c26abf2bf4541c275"
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def test_unique_identifier(tmp_dir, dvc, scm, run_copy):
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dvc.config["core"]["autostage"] = True
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tmp_dir.dvc_gen("foo", "foo")
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run_copy("foo", "bar", name="copy-foo-bar")
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revs = []
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n_commits = 5
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for i in range(n_commits):
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# create a few empty commits
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scm.commit(f"commit {i}")
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revs.append(scm.get_rev())
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assert len(set(revs)) == n_commits # the commit revs should be unique
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ids = []
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for _ in dvc.brancher(revs=revs):
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index = Index(dvc)
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assert index.stages
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ids.append(index.identifier)
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# we get "workspace" as well from the brancher by default
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assert len(revs) + 1 == len(ids)
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possible_ids = {
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True: "2ba7c7c5b395d4211348d6274b869fc7",
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False: "8406970ad2fcafaa84d9310330a67576",
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}
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assert set(ids) == {possible_ids[os.name == "posix"]}
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def test_skip_graph_checks(dvc, mocker):
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# See https://github.com/iterative/dvc/issues/2671 for more info
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mock_build_graph = mocker.spy(Index, "build_graph")
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# sanity check
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Index(dvc).check_graph()
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assert mock_build_graph.called
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mock_build_graph.reset_mock()
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# check that our hack can be enabled
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dvc._skip_graph_checks = True
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Index(dvc).check_graph()
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assert not mock_build_graph.called
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mock_build_graph.reset_mock()
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# check that our hack can be disabled
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dvc._skip_graph_checks = False
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Index(dvc).check_graph()
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assert mock_build_graph.called
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