mirror of
https://github.com/Stone-Red-Code/dvc.git
synced 2026-11-01 23:08:43 +01:00
405 lines
12 KiB
Python
405 lines
12 KiB
Python
import os
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import mock
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import yaml
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import shutil
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import filecmp
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import collections
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from dvc.main import main
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from dvc.repo import Repo as DvcRepo
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from dvc.system import System
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from tests.basic_env import TestDvc
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from tests.test_repro import TestRepro
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from dvc.stage import Stage
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from dvc.remote.local import RemoteLOCAL
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from dvc.exceptions import DvcException, ConfirmRemoveError
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from mock import patch
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class TestCheckout(TestRepro):
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def setUp(self):
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super(TestCheckout, self).setUp()
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stages = self.dvc.add(self.DATA_DIR)
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self.assertEqual(len(stages), 1)
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self.data_dir_stage = stages[0]
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self.assertTrue(self.data_dir_stage is not None)
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self.orig = "orig"
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shutil.copy(self.FOO, self.orig)
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os.unlink(self.FOO)
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self.orig_dir = "orig_dir"
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shutil.copytree(self.DATA_DIR, self.orig_dir)
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shutil.rmtree(self.DATA_DIR)
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def test(self):
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self.dvc.checkout(force=True)
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self._test_checkout()
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def _test_checkout(self):
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self.assertTrue(os.path.isfile(self.FOO))
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self.assertTrue(filecmp.cmp(self.FOO, self.orig, shallow=False))
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class TestCheckoutSingleStage(TestCheckout):
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def test(self):
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ret = main(["checkout", "--force", self.foo_stage.path])
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self.assertEqual(ret, 0)
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ret = main(["checkout", "--force", self.data_dir_stage.path])
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self.assertEqual(ret, 0)
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self._test_checkout()
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class TestCheckoutCorruptedCacheFile(TestRepro):
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def test(self):
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cache = self.foo_stage.outs[0].cache
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with open(cache, "a") as fd:
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fd.write("1")
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self.dvc.checkout(force=True)
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self.assertFalse(os.path.isfile(self.FOO))
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self.assertFalse(os.path.isfile(cache))
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class TestCheckoutCorruptedCacheDir(TestDvc):
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def test(self):
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# NOTE: using 'copy' so that cache and link don't have same inode
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ret = main(["config", "cache.type", "copy"])
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self.assertEqual(ret, 0)
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self.dvc = DvcRepo(".")
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stages = self.dvc.add(self.DATA_DIR)
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self.assertEqual(len(stages), 1)
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self.assertEqual(len(stages[0].outs), 1)
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out = stages[0].outs[0]
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# NOTE: modifying cache file for one of the files inside the directory
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# to check if dvc will detect that the cache is corrupted.
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entry = self.dvc.cache.local.load_dir_cache(out.checksum)[0]
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checksum = entry[self.dvc.cache.local.PARAM_CHECKSUM]
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cache = self.dvc.cache.local.get(checksum)
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with open(cache, "w+") as fobj:
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fobj.write("1")
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self.dvc.checkout(force=True)
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self.assertFalse(os.path.exists(cache))
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class TestCmdCheckout(TestCheckout):
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def test(self):
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ret = main(["checkout", "--force"])
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self.assertEqual(ret, 0)
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self._test_checkout()
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class CheckoutBase(TestDvc):
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GIT_IGNORE = ".gitignore"
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def commit_data_file(self, fname, content="random text"):
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with open(fname, "w") as fd:
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fd.write(content)
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stages = self.dvc.add(fname)
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self.assertEqual(len(stages), 1)
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self.assertTrue(stages[0] is not None)
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self.dvc.scm.add([fname + ".dvc", ".gitignore"])
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self.dvc.scm.commit("adding " + fname)
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def read_ignored(self):
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return list(
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map(lambda s: s.strip("\n"), open(self.GIT_IGNORE).readlines())
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)
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def outs_info(self, stage):
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FileInfo = collections.namedtuple("FileInfo", "path inode")
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paths = [
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os.path.join(root, file)
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for output in stage.outs
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for root, _, files in os.walk(output.path)
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for file in files
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]
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return [
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FileInfo(path=path, inode=System.inode(path)) for path in paths
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]
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class TestRemoveFilesWhenCheckout(CheckoutBase):
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def test(self):
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fname = "file_in_a_branch"
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branch_master = "master"
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branch_1 = "b1"
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self.dvc.scm.add(self.dvc.scm.untracked_files())
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self.dvc.scm.commit("add all files")
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# add the file into a separate branch
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self.dvc.scm.checkout(branch_1, True)
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ret = main(["checkout", "--force"])
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self.assertEqual(ret, 0)
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self.commit_data_file(fname)
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# Checkout back in master
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self.dvc.scm.checkout(branch_master)
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self.assertTrue(os.path.exists(fname))
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# Make sure `dvc checkout` removes the file
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# self.dvc.checkout()
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ret = main(["checkout", "--force"])
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self.assertEqual(ret, 0)
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self.assertFalse(os.path.exists(fname))
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class TestCheckoutCleanWorkingDir(CheckoutBase):
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@patch("dvc.prompt.confirm", return_value=True)
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def test(self, mock_prompt):
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mock_prompt.return_value = True
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stages = self.dvc.add(self.DATA_DIR)
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stage = stages[0]
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working_dir_change = os.path.join(self.DATA_DIR, "not_cached.txt")
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with open(working_dir_change, "w") as f:
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f.write("not_cached")
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ret = main(["checkout", stage.relpath])
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self.assertEqual(ret, 0)
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self.assertFalse(os.path.exists(working_dir_change))
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@patch("dvc.prompt.confirm", return_value=False)
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def test_force(self, mock_prompt):
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mock_prompt.return_value = False
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stages = self.dvc.add(self.DATA_DIR)
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self.assertEqual(len(stages), 1)
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stage = stages[0]
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working_dir_change = os.path.join(self.DATA_DIR, "not_cached.txt")
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with open(working_dir_change, "w") as f:
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f.write("not_cached")
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ret = main(["checkout", stage.relpath])
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self.assertNotEqual(ret, 0)
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mock_prompt.assert_called()
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self.assertNotEqual(ret, 0)
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self.assertRaises(DvcException)
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class TestCheckoutSelectiveRemove(CheckoutBase):
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def test(self):
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# Use copy to test for changes in the inodes
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ret = main(["config", "cache.type", "copy"])
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self.assertEqual(ret, 0)
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stages = self.dvc.add(self.DATA_DIR)
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self.assertEqual(len(stages), 1)
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stage = stages[0]
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staged_files = self.outs_info(stage)
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os.remove(staged_files[0].path)
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ret = main(["checkout", "--force", stage.relpath])
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self.assertEqual(ret, 0)
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checkedout_files = self.outs_info(stage)
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self.assertEqual(len(staged_files), len(checkedout_files))
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self.assertEqual(staged_files[0].path, checkedout_files[0].path)
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self.assertNotEqual(staged_files[0].inode, checkedout_files[0].inode)
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self.assertEqual(staged_files[1].inode, checkedout_files[1].inode)
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class TestGitIgnoreBasic(CheckoutBase):
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def test(self):
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fname1 = "file_1"
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fname2 = "file_2"
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fname3 = "file_3"
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self.dvc.scm.add(self.dvc.scm.untracked_files())
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self.dvc.scm.commit("add all files")
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self.assertFalse(os.path.exists(self.GIT_IGNORE))
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self.commit_data_file(fname1)
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self.commit_data_file(fname2)
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self.dvc.run(
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cmd="python {} {} {}".format(self.CODE, self.FOO, fname3),
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deps=[self.CODE, self.FOO],
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outs_no_cache=[fname3],
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)
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self.assertTrue(os.path.exists(self.GIT_IGNORE))
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ignored = self.read_ignored()
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self.assertEqual(len(ignored), 2)
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self.assertIn("/" + fname1, ignored)
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self.assertIn("/" + fname2, ignored)
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class TestGitIgnoreWhenCheckout(CheckoutBase):
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def test(self):
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fname_master = "file_in_a_master"
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branch_master = "master"
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fname_branch = "file_in_a_branch"
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branch_1 = "b1"
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self.dvc.scm.add(self.dvc.scm.untracked_files())
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self.dvc.scm.commit("add all files")
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self.commit_data_file(fname_master)
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self.dvc.scm.checkout(branch_1, True)
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ret = main(["checkout", "--force"])
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self.assertEqual(ret, 0)
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self.commit_data_file(fname_branch)
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self.dvc.scm.checkout(branch_master)
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ret = main(["checkout", "--force"])
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self.assertEqual(ret, 0)
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ignored = self.read_ignored()
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self.assertEqual(len(ignored), 1)
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self.assertIn("/" + fname_master, ignored)
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self.dvc.scm.checkout(branch_1)
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ret = main(["checkout", "--force"])
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self.assertEqual(ret, 0)
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ignored = self.read_ignored()
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self.assertIn("/" + fname_branch, ignored)
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class TestCheckoutMissingMd5InStageFile(TestRepro):
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def test(self):
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with open(self.file1_stage, "r") as fd:
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d = yaml.load(fd)
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del d[Stage.PARAM_OUTS][0][RemoteLOCAL.PARAM_CHECKSUM]
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del d[Stage.PARAM_DEPS][0][RemoteLOCAL.PARAM_CHECKSUM]
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with open(self.file1_stage, "w") as fd:
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yaml.dump(d, fd)
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self.dvc.checkout(force=True)
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class TestCheckoutEmptyDir(TestDvc):
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def test(self):
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dname = "empty_dir"
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os.mkdir(dname)
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stages = self.dvc.add(dname)
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self.assertEqual(len(stages), 1)
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stage = stages[0]
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self.assertTrue(stage is not None)
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self.assertEqual(len(stage.outs), 1)
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stage.outs[0].remove()
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self.assertFalse(os.path.exists(dname))
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self.dvc.checkout(force=True)
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self.assertTrue(os.path.isdir(dname))
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self.assertEqual(len(os.listdir(dname)), 0)
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class TestCheckoutNotCachedFile(TestDvc):
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def test(self):
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cmd = "python {} {} {}".format(self.CODE, self.FOO, "out")
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self.dvc.add(self.FOO)
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stage = self.dvc.run(
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cmd=cmd, deps=[self.FOO, self.CODE], outs_no_cache=["out"]
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)
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self.assertTrue(stage is not None)
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self.dvc.checkout(force=True)
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class TestCheckoutWithDeps(TestRepro):
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def test(self):
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os.unlink(self.FOO)
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os.unlink(self.file1)
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self.assertFalse(os.path.exists(self.FOO))
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self.assertFalse(os.path.exists(self.file1))
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ret = main(["checkout", "--force", self.file1_stage, "--with-deps"])
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self.assertEqual(ret, 0)
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self.assertTrue(os.path.exists(self.FOO))
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self.assertTrue(os.path.exists(self.file1))
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class TestCheckoutDirectory(TestRepro):
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def test(self):
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stage = self.dvc.add(self.DATA_DIR)[0]
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shutil.rmtree(self.DATA_DIR)
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self.assertFalse(os.path.exists(self.DATA_DIR))
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ret = main(["checkout", stage.path])
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self.assertEqual(ret, 0)
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self.assertTrue(os.path.exists(self.DATA_DIR))
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class TestCheckoutHook(TestDvc):
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@mock.patch("sys.stdout.isatty", return_value=True)
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@mock.patch("dvc.prompt.input", side_effect=EOFError)
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def test(self, mock_input, mock_isatty):
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""" Test that dvc checkout handles EOFError gracefully, which is what
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it will experience when running in a git hook.
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"""
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stages = self.dvc.add(self.DATA_DIR)
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self.assertEqual(len(stages), 1)
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stage = stages[0]
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self.assertNotEqual(stage, None)
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self.create(os.path.join(self.DATA_DIR, "test"), "test")
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with self.assertRaises(ConfirmRemoveError):
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self.dvc.checkout()
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class TestCheckoutSuggestGit(TestRepro):
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def test(self):
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try:
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self.dvc.checkout(target="gitbranch")
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except DvcException as exc:
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msg = str(exc)
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self.assertEqual(
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msg,
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(
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"'gitbranch' does not exist. "
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"Did you mean 'git checkout gitbranch'?"
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),
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)
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try:
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self.dvc.checkout(target=self.FOO)
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except DvcException as exc:
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msg = str(exc)
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self.assertEqual(
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msg,
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(
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"bad stage filename '{}'."
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" Stage files should be named 'Dvcfile'"
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" or have a '.dvc' suffix (e.g. '{}.dvc')."
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" Did you mean 'git checkout {}'?".format(
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self.FOO, self.FOO, self.FOO
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)
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),
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)
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