Files
dvc/tests/test_add.py
T

432 lines
13 KiB
Python

from __future__ import unicode_literals
import os
from dvc.utils.compat import StringIO
import dvc
import time
import shutil
import filecmp
import posixpath
from dvc.logger import logger
from dvc.system import System
from mock import patch
from dvc.main import main
from dvc.utils import file_md5, load_stage_file
from dvc.stage import Stage
from dvc.exceptions import DvcException
from dvc.output.base import OutputAlreadyTrackedError
from dvc.repo import Repo as DvcRepo
from tests.basic_env import TestDvc
from tests.utils import spy
from tests.utils.logger import MockLoggerHandlers, ConsoleFontColorsRemover
class TestAdd(TestDvc):
def test(self):
md5 = file_md5(self.FOO)[0]
stages = self.dvc.add(self.FOO)
self.assertEqual(len(stages), 1)
stage = stages[0]
self.assertTrue(stage is not None)
self.assertIsInstance(stage, Stage)
self.assertTrue(os.path.isfile(stage.path))
self.assertEqual(len(stage.outs), 1)
self.assertEqual(len(stage.deps), 0)
self.assertEqual(stage.cmd, None)
self.assertEqual(stage.outs[0].info["md5"], md5)
def test_unicode(self):
fname = "\xe1"
with open(fname, "w") as fobj:
fobj.write("something")
stage = self.dvc.add(fname)[0]
self.assertTrue(os.path.isfile(stage.path))
class TestAddUnupportedFile(TestDvc):
def test(self):
with self.assertRaises(DvcException):
self.dvc.add("unsupported://unsupported")
class TestAddDirectory(TestDvc):
def test(self):
dname = "directory"
os.mkdir(dname)
self.create(os.path.join(dname, "file"), "file")
stages = self.dvc.add(dname)
self.assertEqual(len(stages), 1)
stage = stages[0]
self.assertTrue(stage is not None)
self.assertEqual(len(stage.deps), 0)
self.assertEqual(len(stage.outs), 1)
md5 = stage.outs[0].info["md5"]
dir_info = self.dvc.cache.local.load_dir_cache(md5)
for info in dir_info:
self.assertTrue("\\" not in info["relpath"])
class TestAddDirectoryRecursive(TestDvc):
def test(self):
stages = self.dvc.add(self.DATA_DIR, recursive=True)
self.assertEqual(len(stages), 2)
class TestAddCmdDirectoryRecursive(TestDvc):
def test(self):
ret = main(["add", "--recursive", self.DATA_DIR])
self.assertEqual(ret, 0)
class TestAddDirectoryWithForwardSlash(TestDvc):
def test(self):
dname = "directory/"
os.mkdir(dname)
self.create(os.path.join(dname, "file"), "file")
stages = self.dvc.add(dname)
self.assertEqual(len(stages), 1)
stage = stages[0]
self.assertTrue(stage is not None)
self.assertEqual(os.path.abspath("directory.dvc"), stage.path)
class TestAddTrackedFile(TestDvc):
def test(self):
fname = "tracked_file"
self.create(fname, "tracked file contents")
self.dvc.scm.add([fname])
self.dvc.scm.commit("add {}".format(fname))
with self.assertRaises(OutputAlreadyTrackedError):
self.dvc.add(fname)
class TestAddDirWithExistingCache(TestDvc):
def test(self):
dname = "a"
fname = os.path.join(dname, "b")
os.mkdir(dname)
shutil.copyfile(self.FOO, fname)
stages = self.dvc.add(self.FOO)
self.assertEqual(len(stages), 1)
self.assertTrue(stages[0] is not None)
stages = self.dvc.add(dname)
self.assertEqual(len(stages), 1)
self.assertTrue(stages[0] is not None)
class TestAddModifiedDir(TestDvc):
def test(self):
stages = self.dvc.add(self.DATA_DIR)
self.assertEqual(len(stages), 1)
self.assertTrue(stages[0] is not None)
os.unlink(self.DATA)
time.sleep(2)
stages = self.dvc.add(self.DATA_DIR)
self.assertEqual(len(stages), 1)
self.assertTrue(stages[0] is not None)
class TestAddFileInDir(TestDvc):
def test(self):
stages = self.dvc.add(self.DATA_SUB)
self.assertEqual(len(stages), 1)
stage = stages[0]
self.assertNotEqual(stage, None)
self.assertEqual(len(stage.deps), 0)
self.assertEqual(len(stage.outs), 1)
self.assertEqual(stage.relpath, self.DATA_SUB + ".dvc")
class TestAddExternalLocalFile(TestDvc):
def test(self):
dname = TestDvc.mkdtemp()
fname = os.path.join(dname, "foo")
shutil.copyfile(self.FOO, fname)
stages = self.dvc.add(fname)
self.assertEqual(len(stages), 1)
stage = stages[0]
self.assertNotEqual(stage, None)
self.assertEqual(len(stage.deps), 0)
self.assertEqual(len(stage.outs), 1)
self.assertEqual(stage.relpath, "foo.dvc")
self.assertEqual(len(os.listdir(dname)), 1)
self.assertTrue(os.path.isfile(fname))
self.assertTrue(filecmp.cmp(fname, "foo", shallow=False))
class TestAddLocalRemoteFile(TestDvc):
def test(self):
"""
Making sure that 'remote' syntax is handled properly for local outs.
"""
cwd = os.getcwd()
remote = "myremote"
ret = main(["remote", "add", remote, cwd])
self.assertEqual(ret, 0)
self.dvc = DvcRepo()
foo = "remote://{}/{}".format(remote, self.FOO)
ret = main(["add", foo])
self.assertEqual(ret, 0)
d = load_stage_file("foo.dvc")
self.assertEqual(d["outs"][0]["path"], foo)
bar = os.path.join(cwd, self.BAR)
ret = main(["add", bar])
self.assertEqual(ret, 0)
d = load_stage_file("bar.dvc")
self.assertEqual(d["outs"][0]["path"], bar)
class TestCmdAdd(TestDvc):
def test(self):
ret = main(["add", self.FOO])
self.assertEqual(ret, 0)
ret = main(["add", "non-existing-file"])
self.assertNotEqual(ret, 0)
class TestDoubleAddUnchanged(TestDvc):
def test_file(self):
ret = main(["add", self.FOO])
self.assertEqual(ret, 0)
ret = main(["add", self.FOO])
self.assertEqual(ret, 0)
def test_dir(self):
ret = main(["add", self.DATA_DIR])
self.assertEqual(ret, 0)
ret = main(["add", self.DATA_DIR])
self.assertEqual(ret, 0)
class TestShouldUpdateStateEntryForFileAfterAdd(TestDvc):
def test(self):
file_md5_counter = spy(dvc.state.file_md5)
with patch.object(dvc.state, "file_md5", file_md5_counter):
ret = main(["config", "cache.type", "copy"])
self.assertEqual(ret, 0)
ret = main(["add", self.FOO])
self.assertEqual(ret, 0)
self.assertEqual(file_md5_counter.mock.call_count, 1)
ret = main(["status"])
self.assertEqual(ret, 0)
self.assertEqual(file_md5_counter.mock.call_count, 1)
ret = main(["run", "-d", self.FOO, "cat {}".format(self.FOO)])
self.assertEqual(ret, 0)
self.assertEqual(file_md5_counter.mock.call_count, 1)
class TestShouldUpdateStateEntryForDirectoryAfterAdd(TestDvc):
def test(self):
file_md5_counter = spy(dvc.state.file_md5)
with patch.object(dvc.state, "file_md5", file_md5_counter):
ret = main(["config", "cache.type", "copy"])
self.assertEqual(ret, 0)
ret = main(["add", self.DATA_DIR])
self.assertEqual(ret, 0)
self.assertEqual(file_md5_counter.mock.call_count, 3)
ret = main(["status"])
self.assertEqual(ret, 0)
self.assertEqual(file_md5_counter.mock.call_count, 3)
ret = main(
["run", "-d", self.DATA_DIR, "ls {}".format(self.DATA_DIR)]
)
self.assertEqual(ret, 0)
self.assertEqual(file_md5_counter.mock.call_count, 3)
class TestAddCommit(TestDvc):
def test(self):
ret = main(["add", self.FOO, "--no-commit"])
self.assertEqual(ret, 0)
self.assertTrue(os.path.isfile(self.FOO))
self.assertEqual(len(os.listdir(self.dvc.cache.local.cache_dir)), 0)
ret = main(["commit", self.FOO + ".dvc"])
self.assertEqual(ret, 0)
self.assertTrue(os.path.isfile(self.FOO))
self.assertEqual(len(os.listdir(self.dvc.cache.local.cache_dir)), 1)
class TestShouldNotCheckCacheForDirIfCacheMetadataDidNotChange(TestDvc):
def test(self):
remote_local_loader_spy = spy(
dvc.remote.local.RemoteLOCAL.load_dir_cache
)
with patch.object(
dvc.remote.local.RemoteLOCAL,
"load_dir_cache",
remote_local_loader_spy,
):
ret = main(["config", "cache.type", "copy"])
self.assertEqual(ret, 0)
ret = main(["add", self.DATA_DIR])
self.assertEqual(ret, 0)
self.assertEqual(1, remote_local_loader_spy.mock.call_count)
ret = main(["status", "{}.dvc".format(self.DATA_DIR)])
self.assertEqual(ret, 0)
self.assertEqual(1, remote_local_loader_spy.mock.call_count)
class TestShouldCollectDirCacheOnlyOnce(TestDvc):
NEW_LARGE_DIR_SIZE = 1
@patch("dvc.remote.local.LARGE_DIR_SIZE", NEW_LARGE_DIR_SIZE)
def test(self):
from dvc.remote.local import RemoteLOCAL
collect_dir_counter = spy(RemoteLOCAL.collect_dir_cache)
with patch.object(
RemoteLOCAL, "collect_dir_cache", collect_dir_counter
):
LARGE_DIR_FILES_NUM = self.NEW_LARGE_DIR_SIZE + 1
data_dir = "dir"
os.makedirs(data_dir)
for i in range(LARGE_DIR_FILES_NUM):
with open(os.path.join(data_dir, str(i)), "w+") as f:
f.write(str(i))
ret = main(["add", data_dir])
self.assertEqual(0, ret)
ret = main(["status"])
self.assertEqual(0, ret)
ret = main(["status"])
self.assertEqual(0, ret)
self.assertEqual(1, collect_dir_counter.mock.call_count)
class SymlinkAddTestBase(TestDvc):
def _get_data_dir(self):
raise NotImplementedError
def _prepare_external_data(self):
data_dir = self._get_data_dir()
self.data_file_name = "data_file"
external_data_path = os.path.join(data_dir, self.data_file_name)
with open(external_data_path, "w+") as f:
f.write("data")
self.link_name = "data_link"
System.symlink(data_dir, self.link_name)
def _test(self):
self._prepare_external_data()
ret = main(["add", os.path.join(self.link_name, self.data_file_name)])
self.assertEqual(0, ret)
stage_file = self.data_file_name + Stage.STAGE_FILE_SUFFIX
self.assertTrue(os.path.exists(stage_file))
d = load_stage_file(stage_file)
relative_data_path = posixpath.join(
self.link_name, self.data_file_name
)
self.assertEqual(relative_data_path, d["outs"][0]["path"])
class TestShouldAddDataFromExternalSymlink(SymlinkAddTestBase):
def _get_data_dir(self):
return self.mkdtemp()
def test(self):
self._test()
class TestShouldAddDataFromInternalSymlink(SymlinkAddTestBase):
def _get_data_dir(self):
return self.DATA_DIR
def test(self):
self._test()
class TestShouldPlaceStageInDataDirIfRepositoryBelowSymlink(TestDvc):
def test(self):
def is_symlink_true_below_dvc_root(path):
if path == os.path.dirname(self.dvc.root_dir):
return True
return False
with patch.object(
System, "is_symlink", side_effect=is_symlink_true_below_dvc_root
):
ret = main(["add", self.DATA])
self.assertEqual(0, ret)
stage_file_path_on_data_below_symlink = (
os.path.basename(self.DATA) + Stage.STAGE_FILE_SUFFIX
)
self.assertFalse(
os.path.exists(stage_file_path_on_data_below_symlink)
)
stage_file_path = self.DATA + Stage.STAGE_FILE_SUFFIX
self.assertTrue(os.path.exists(stage_file_path))
class TestShouldThrowProperExceptionOnCorruptedStageFile(TestDvc):
def test(self):
with MockLoggerHandlers(logger), ConsoleFontColorsRemover():
logger.handlers[1].stream = StringIO()
ret = main(["add", self.FOO])
self.assertEqual(0, ret)
foo_stage = os.path.abspath(self.FOO + Stage.STAGE_FILE_SUFFIX)
# corrupt stage file
with open(foo_stage, "a+") as file:
file.write("this will break yaml file structure")
ret = main(["add", self.BAR])
self.assertEqual(1, ret)
self.assertIn(
"Unable to read stage file: {} \n "
"Yaml file structure is corrupted".format(foo_stage),
logger.handlers[1].stream.getvalue(),
)