Files
dvc/tests/test_cache.py
T

162 lines
4.7 KiB
Python

import os
import shutil
import configobj
from dvc.cache import Cache
from dvc.main import main
from tests.basic_env import TestDvc, TestDir
class TestCache(TestDvc):
def setUp(self):
super(TestCache, self).setUp()
self.cache1_md5 = "123"
self.cache2_md5 = "234"
self.cache1 = os.path.join(
self.dvc.cache.local.cache_dir,
self.cache1_md5[0:2],
self.cache1_md5[2:],
)
self.cache2 = os.path.join(
self.dvc.cache.local.cache_dir,
self.cache2_md5[0:2],
self.cache2_md5[2:],
)
self.create(self.cache1, "1")
self.create(self.cache2, "2")
def test_all(self):
md5_list = list(Cache(self.dvc).local.all())
self.assertEqual(len(md5_list), 2)
self.assertIn(self.cache1_md5, md5_list)
self.assertIn(self.cache2_md5, md5_list)
def test_get(self):
cache = Cache(self.dvc).local.get(self.cache1_md5)
self.assertEqual(cache, self.cache1)
class TestCacheLoadBadDirCache(TestDvc):
def _do_test(self, ret):
self.assertTrue(isinstance(ret, list))
self.assertEqual(len(ret), 0)
def test(self):
fname = self.dvc.cache.local.get("123.dir")
self.create(fname, "<clearly>not,json")
self._do_test(self.dvc.cache.local.load_dir_cache(fname))
fname = self.dvc.cache.local.get("234.dir")
self.create(fname, '{"a": "b"}')
self._do_test(self.dvc.cache.local.load_dir_cache(fname))
class TestExternalCacheDir(TestDvc):
def test(self):
cache_dir = TestDvc.mkdtemp()
ret = main(["config", "cache.dir", cache_dir])
self.assertEqual(ret, 0)
shutil.rmtree(".dvc/cache")
ret = main(["add", self.FOO])
self.assertEqual(ret, 0)
ret = main(["add", self.DATA_DIR])
self.assertEqual(ret, 0)
self.assertFalse(os.path.exists(".dvc/cache"))
self.assertNotEqual(len(os.listdir(cache_dir)), 0)
class TestSharedCacheDir(TestDir):
def test(self):
cache_dir = os.path.abspath(os.path.join(os.curdir, "cache"))
for d in ["dir1", "dir2"]:
os.mkdir(d)
os.chdir(d)
ret = main(["init", "--no-scm"])
self.assertEqual(ret, 0)
ret = main(["config", "cache.dir", cache_dir])
self.assertEqual(ret, 0)
shutil.rmtree(os.path.join(".dvc", "cache"))
with open("common", "w+") as fd:
fd.write("common")
with open("unique", "w+") as fd:
fd.write(d)
ret = main(["add", "common", "unique"])
self.assertEqual(ret, 0)
os.chdir("..")
self.assertFalse(os.path.exists(os.path.join("dir1", ".dvc", "cache")))
self.assertFalse(os.path.exists(os.path.join("dir2", ".dvc", "cache")))
subdirs = list(
filter(
lambda x: os.path.isdir(os.path.join(cache_dir, x)),
os.listdir(cache_dir),
)
)
self.assertEqual(len(subdirs), 3)
self.assertEqual(
len(os.listdir(os.path.join(cache_dir, subdirs[0]))), 1
)
self.assertEqual(
len(os.listdir(os.path.join(cache_dir, subdirs[1]))), 1
)
self.assertEqual(
len(os.listdir(os.path.join(cache_dir, subdirs[2]))), 1
)
class TestCacheLinkType(TestDvc):
def test(self):
ret = main(["config", "cache.type", "reflink,copy"])
self.assertEqual(ret, 0)
ret = main(["add", self.FOO])
self.assertEqual(ret, 0)
class TestCmdCacheDir(TestDvc):
def test(self):
ret = main(["cache", "dir"])
self.assertEqual(ret, 254)
def test_abs_path(self):
dname = os.path.join(os.path.dirname(self._root_dir), "dir")
ret = main(["cache", "dir", dname])
self.assertEqual(ret, 0)
config = configobj.ConfigObj(self.dvc.config.config_file)
self.assertEqual(config["cache"]["dir"], dname)
def test_relative_path(self):
tmpdir = self.mkdtemp()
dname = os.path.relpath(tmpdir)
ret = main(["cache", "dir", dname])
self.assertEqual(ret, 0)
# NOTE: we are in the repo's root and config is in .dvc/, so
# dir path written to config should be just one level above.
rel = os.path.join("..", dname)
config = configobj.ConfigObj(self.dvc.config.config_file)
self.assertEqual(config["cache"]["dir"], rel)
ret = main(["add", self.FOO])
self.assertEqual(ret, 0)
subdirs = os.listdir(tmpdir)
self.assertEqual(len(subdirs), 1)
files = os.listdir(os.path.join(tmpdir, subdirs[0]))
self.assertEqual(len(files), 1)