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128 lines
3.9 KiB
Python
128 lines
3.9 KiB
Python
import pytest
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from dvc.dvcfile import (
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LOCK_FILE,
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PROJECT_FILE,
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FileIsGitIgnored,
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ProjectFile,
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SingleStageFile,
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load_file,
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)
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from dvc.stage import PipelineStage
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from dvc.stage.exceptions import StageFileDoesNotExistError, StageFileIsNotDvcFileError
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from dvc.utils.fs import remove
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from dvc.utils.serialize import EncodingError
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from dvc.utils.strictyaml import YAMLValidationError
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@pytest.mark.parametrize(
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"path",
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[
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"pipelines.yaml",
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"pipelines.yml",
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"custom-pipelines.yml",
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"custom-pipelines.yaml",
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"../models/pipelines.yml",
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],
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)
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def test_pipelines_file(path):
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file_obj = load_file(object(), path)
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assert isinstance(file_obj, ProjectFile)
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@pytest.mark.parametrize("path", ["Dvcfile", "stage.dvc", "../models/stage.dvc"])
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def test_pipelines_single_stage_file(path):
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file_obj = load_file(object(), path)
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assert isinstance(file_obj, SingleStageFile)
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@pytest.mark.parametrize("file", ["stage.dvc", "dvc.yaml"])
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@pytest.mark.parametrize("is_dvcignored", [True, False])
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def test_stage_load_on_not_existing_file(tmp_dir, dvc, file, is_dvcignored):
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dvcfile = load_file(dvc, file)
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if is_dvcignored:
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(tmp_dir / ".dvcignore").write_text(file)
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assert not dvcfile.exists()
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with pytest.raises(StageFileDoesNotExistError) as exc_info:
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assert dvcfile.stages.values()
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assert str(exc_info.value) == f"'{file}' does not exist"
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@pytest.mark.parametrize("file", ["stage.dvc", "dvc.yaml"])
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def test_stage_load_on_non_file(tmp_dir, dvc, file):
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(tmp_dir / file).mkdir()
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dvcfile = load_file(dvc, file)
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with pytest.raises(StageFileIsNotDvcFileError):
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assert dvcfile.stages.values()
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@pytest.mark.parametrize("file", ["stage.dvc", "dvc.yaml"])
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def test_stage_load_on_invalid_data(tmp_dir, dvc, file):
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data = {"is_this_a_valid_dvcfile": False}
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(tmp_dir / file).dump(data)
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dvcfile = load_file(dvc, file)
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with pytest.raises(YAMLValidationError):
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assert dvcfile.stages
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with pytest.raises(YAMLValidationError):
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assert dvcfile.validate(data, file)
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def test_dump_stage(tmp_dir, dvc):
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stage = PipelineStage(dvc, cmd="command", name="stage_name", path="dvc.yaml")
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dvcfile = load_file(dvc, "dvc.yaml")
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dvcfile.dump(stage, update_lock=False, update_pipeline=False)
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assert not (tmp_dir / PROJECT_FILE).exists()
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assert not (tmp_dir / LOCK_FILE).exists()
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dvcfile.dump(stage, update_pipeline=False)
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assert not (tmp_dir / PROJECT_FILE).exists()
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assert (tmp_dir / LOCK_FILE).exists()
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assert dvcfile._lockfile.load()
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remove(tmp_dir / LOCK_FILE)
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dvcfile.dump(stage)
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assert (tmp_dir / PROJECT_FILE).exists()
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assert (tmp_dir / LOCK_FILE).exists()
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assert list(dvcfile.stages.values()) == [stage]
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@pytest.mark.parametrize("file", ["stage.dvc", "dvc.yaml"])
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def test_stage_load_file_exists_but_dvcignored(tmp_dir, dvc, scm, file):
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(tmp_dir / file).write_text("")
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(tmp_dir / ".dvcignore").write_text(file)
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dvc._reset()
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dvcfile = load_file(dvc, file)
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with pytest.raises(StageFileDoesNotExistError) as exc_info:
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assert dvcfile.stages.values()
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assert str(exc_info.value) == f"'{file}' is dvc-ignored"
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@pytest.mark.parametrize("file", ["foo.dvc", "dvc.yaml"])
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def test_try_loading_dvcfile_that_is_gitignored(tmp_dir, dvc, scm, file):
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with open(tmp_dir / ".gitignore", "a+", encoding="utf-8") as fd:
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fd.write(file)
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# create a file just to avoid other checks
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(tmp_dir / file).write_text("")
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scm._reset()
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dvcfile = load_file(dvc, file)
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with pytest.raises(FileIsGitIgnored) as exc_info:
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dvcfile._load()
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assert str(exc_info.value) == f"bad DVC file name '{file}' is git-ignored."
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def test_dvcfile_encoding_error(tmp_dir, dvc):
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tmp_dir.gen(PROJECT_FILE, b"\x80some: stuff")
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dvcfile = load_file(dvc, PROJECT_FILE)
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with pytest.raises(EncodingError):
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dvcfile._load()
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