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test_gc.py
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import os
import configobj
from git import Repo
from dvc.main import main
from dvc.repo import Repo as DvcRepo
from tests.basic_env import TestDvcGit
from tests.basic_env import TestDir
class TestGC(TestDvcGit):
def setUp(self):
super(TestGC, self).setUp()
self.dvc.add(self.FOO)
self.dvc.add(self.DATA_DIR)
self.good_cache = [
self.dvc.cache.local.get(md5) for md5 in self.dvc.cache.local.all()
]
self.bad_cache = []
for i in ["123", "234", "345"]:
path = os.path.join(self.dvc.cache.local.cache_dir, i[0:2], i[2:])
self.create(path, i)
self.bad_cache.append(path)
def test_api(self):
self.dvc.gc()
self._test_gc()
def test_cli(self):
ret = main(["gc", "-f"])
self.assertEqual(ret, 0)
self._test_gc()
def _test_gc(self):
self.assertTrue(os.path.isdir(self.dvc.cache.local.cache_dir))
for c in self.bad_cache:
self.assertFalse(os.path.exists(c))
for c in self.good_cache:
self.assertTrue(os.path.exists(c))
class TestGCBranchesTags(TestDvcGit):
def _check_cache(self, num):
total = 0
for root, dirs, files in os.walk(os.path.join(".dvc", "cache")):
total += len(files)
self.assertEqual(total, num)
def test(self):
fname = "file"
with open(fname, "w+") as fobj:
fobj.write("v1.0")
stages = self.dvc.add(fname)
self.assertEqual(len(stages), 1)
self.dvc.scm.add([".gitignore", stages[0].relpath])
self.dvc.scm.commit("v1.0")
self.dvc.scm.tag("v1.0")
self.dvc.scm.checkout("test", create_new=True)
self.dvc.remove(stages[0].relpath, outs_only=True)
with open(fname, "w+") as fobj:
fobj.write("test")
stages = self.dvc.add(fname)
self.assertEqual(len(stages), 1)
self.dvc.scm.add([".gitignore", stages[0].relpath])
self.dvc.scm.commit("test")
self.dvc.scm.checkout("master")
self.dvc.remove(stages[0].relpath, outs_only=True)
with open(fname, "w+") as fobj:
fobj.write("trash")
stages = self.dvc.add(fname)
self.assertEqual(len(stages), 1)
self.dvc.scm.add([".gitignore", stages[0].relpath])
self.dvc.scm.commit("trash")
self.dvc.remove(stages[0].relpath, outs_only=True)
with open(fname, "w+") as fobj:
fobj.write("master")
stages = self.dvc.add(fname)
self.assertEqual(len(stages), 1)
self.dvc.scm.add([".gitignore", stages[0].relpath])
self.dvc.scm.commit("master")
self._check_cache(4)
self.dvc.gc(all_tags=True, all_branches=True)
self._check_cache(3)
self.dvc.gc(all_tags=False, all_branches=True)
self._check_cache(2)
self.dvc.gc(all_tags=True, all_branches=False)
self._check_cache(1)
class TestGCMultipleDvcRepos(TestDvcGit):
def _check_cache(self, num):
total = 0
for root, dirs, files in os.walk(os.path.join(".dvc", "cache")):
total += len(files)
self.assertEqual(total, num)
def setUp(self):
super(TestGCMultipleDvcRepos, self).setUp()
self.additional_path = TestDir.mkdtemp()
self.additional_git = Repo.init(self.additional_path)
self.additional_dvc = DvcRepo.init(self.additional_path)
cache_path = os.path.join(self._root_dir, ".dvc", "cache")
config_path = os.path.join(
self.additional_path, ".dvc", "config.local"
)
cfg = configobj.ConfigObj()
cfg.filename = config_path
cfg["cache"] = {"dir": cache_path}
cfg.write()
self.additional_dvc = DvcRepo(self.additional_path)
def test(self):
# ADD FILE ONLY IN MAIN PROJECT
fname = "only_in_first"
with open(fname, "w+") as fobj:
fobj.write("only in main repo")
stages = self.dvc.add(fname)
self.assertEqual(len(stages), 1)
# ADD FILE IN MAIN PROJECT THAT IS ALSO IN SECOND PROJECT
fname = "in_both"
with open(fname, "w+") as fobj:
fobj.write("in both repos")
stages = self.dvc.add(fname)
self.assertEqual(len(stages), 1)
cwd = os.getcwd()
os.chdir(self.additional_path)
# ADD FILE ONLY IN SECOND PROJECT
fname = os.path.join(self.additional_path, "only_in_second")
with open(fname, "w+") as fobj:
fobj.write("only in additional repo")
stages = self.additional_dvc.add(fname)
self.assertEqual(len(stages), 1)
# ADD FILE IN SECOND PROJECT THAT IS ALSO IN MAIN PROJECT
fname = os.path.join(self.additional_path, "in_both")
with open(fname, "w+") as fobj:
fobj.write("in both repos")
stages = self.additional_dvc.add(fname)
self.assertEqual(len(stages), 1)
os.chdir(cwd)
self._check_cache(3)
self.dvc.gc(repos=[self.additional_path])
self._check_cache(3)
self.dvc.gc()
self._check_cache(2)