tests: remote: local: migrate to dir fixtures

tests/func/remote/test_local.py

@@ -1,84 +1,64 @@
 import os
 
 import mock
-import pytest
 
-import dvc
 from dvc.exceptions import DvcException
 from dvc.remote.local import RemoteLOCAL
 from tests.utils import trees_equal
 
 
-class TestUnpackedDirStatusOptimization(object):
-    @pytest.fixture(autouse=True)
-    def setUp(self, dvc_repo, repo_dir):
-        stages = dvc_repo.add(repo_dir.DATA_DIR)
-        assert len(stages) == 1
-        self.dir_out = stages[0].outs[0]
-        self.unpacked_dir = (
-            self.dir_out.cache_path + RemoteLOCAL.UNPACKED_DIR_SUFFIX
-        )
-
-    def test_should_not_fail_add_on_unpacked_dir_creation_exception(
-        self, dvc_repo
-    ):
-        with mock.patch.object(
-            dvc.remote.local.RemoteLOCAL,
-            "_create_unpacked_dir",
-            side_effect=self._raise_dvc_exception,
-        ) as unpacked_create_spy, dvc_repo.state:
-            assert not dvc_repo.cache.local.changed_cache(
-                self.dir_out.checksum
-            )
-        assert unpacked_create_spy.call_count == 1
-
-    def test_should_remove_unpacked_dir_on_create_exception(self, dvc_repo):
-        # artificial unpacked dir for test purpose
-        os.makedirs(self.unpacked_dir)
-        assert os.path.exists(self.unpacked_dir)
-
-        with mock.patch.object(
-            dvc.remote.local.RemoteLOCAL,
-            "_create_unpacked_dir",
-            side_effect=self._raise_dvc_exception,
-        ), dvc_repo.state:
-            assert not dvc_repo.cache.local.changed_cache(
-                self.dir_out.checksum
-            )
-
-        assert not os.path.exists(self.unpacked_dir)
-
-    def test_should_create_unpacked_dir_on_status_check(
-        self, dvc_repo, repo_dir
-    ):
-        assert not os.path.exists(self.unpacked_dir)
-
-        with dvc_repo.state:
-            assert not dvc_repo.cache.local.changed_cache(
-                self.dir_out.checksum
-            )
-
-        assert os.path.exists(self.unpacked_dir)
-
-        trees_equal(repo_dir.DATA_DIR, self.unpacked_dir)
-
-    def test_should_proceed_with_full_check_on_modified_cache(self, dvc_repo):
-
-        some_file_md5 = self.dir_out.dir_cache[0]["md5"]
-        assert not os.path.exists(self.unpacked_dir)
-
-        with dvc_repo.state:
-            assert not dvc_repo.cache.local.changed_cache(
-                self.dir_out.checksum
-            )
-        assert os.path.exists(self.unpacked_dir)
-
-        with open(dvc_repo.cache.local.get(some_file_md5), "a") as fobj:
-            fobj.write("string")
-
-        with dvc_repo.state:
-            assert dvc_repo.cache.local.changed_cache(self.dir_out.checksum)
-
-    @staticmethod
-    def _raise_dvc_exception(*args):
-        raise DvcException("msg")
+def test_dont_fail_on_unpacked_create_fail(tmp_dir, dvc):
+    stage, = tmp_dir.dvc_gen({"dir": {"file": "file_content"}})
+
+    with mock.patch.object(
+        RemoteLOCAL, "_create_unpacked_dir", side_effect=DvcException("msg")
+    ) as unpacked_create_spy, dvc.state:
+        assert not dvc.cache.local.changed_cache(stage.outs[0].checksum)
+    assert unpacked_create_spy.call_count == 1
+
+
+def test_remove_unpacked_on_create_fail(tmp_dir, dvc):
+    stage, = tmp_dir.dvc_gen({"dir": {"file": "file_content"}})
+    unpacked_dir = stage.outs[0].cache_path + RemoteLOCAL.UNPACKED_DIR_SUFFIX
+
+    # artificial unpacked dir for test purpose
+    os.makedirs(unpacked_dir)
+    assert os.path.exists(unpacked_dir)
+
+    with mock.patch.object(
+        RemoteLOCAL, "_create_unpacked_dir", side_effect=DvcException("msg")
+    ), dvc.state:
+        assert not dvc.cache.local.changed_cache(stage.outs[0].checksum)
+
+    assert not os.path.exists(unpacked_dir)
+
+
+def test_create_unpacked_on_status(tmp_dir, dvc):
+    stage, = tmp_dir.dvc_gen({"dir": {"file": "file_content"}})
+    unpacked_dir = stage.outs[0].cache_path + RemoteLOCAL.UNPACKED_DIR_SUFFIX
+    assert not os.path.exists(unpacked_dir)
+
+    with dvc.state:
+        assert not dvc.cache.local.changed_cache(stage.outs[0].checksum)
+    assert os.path.exists(unpacked_dir)
+    trees_equal("dir", unpacked_dir)
+
+
+def test_dir_cache_changed_on_single_cache_file_modification(tmp_dir, dvc):
+    stage, = tmp_dir.dvc_gen(
+        {"dir": {"file1": "file1 content", "file2": "file2 content"}}
+    )
+    unpacked_dir = stage.outs[0].cache_path + RemoteLOCAL.UNPACKED_DIR_SUFFIX
+    assert not os.path.exists(unpacked_dir)
+    file_md5 = stage.outs[0].dir_cache[0]["md5"]
+
+    with dvc.state:
+        assert not dvc.cache.local.changed_cache(stage.outs[0].checksum)
+    assert os.path.exists(unpacked_dir)
+
+    cache_file_path = dvc.cache.local.get(file_md5)
+    with open(cache_file_path, "a") as fobj:
+        fobj.write("modification")
+
+    with dvc.state:
+        assert dvc.cache.local.changed_cache(stage.outs[0].checksum)