dvc: initial unittests

Initial unittests for new design.

Signed-off-by: Ruslan Kuprieiev <[email protected]>

tests/test_cache.py

@@ -0,0 +1,24 @@
+import os
+
+from dvc.cache import Cache
+
+from tests.basic_env import TestDvc
+
+
+class TestCache(TestDvc):
+    def setUp(self):
+        super(TestCache, self).setUp()
+        self.cache1 = os.path.join(self.dvc.cache.cache_dir, '1')
+        self.cache2 = os.path.join(self.dvc.cache.cache_dir, '2')
+        self.create(self.cache1, '1')
+        self.create(self.cache2, '2')
+
+    def test_all(self):
+        flist = Cache(self.dvc.dvc_dir).all()
+        self.assertEquals(len(flist), 2)
+        self.assertTrue(self.cache1 in flist)
+        self.assertTrue(self.cache2 in flist)
+
+    def test_get(self):
+        cache = Cache(self.dvc.dvc_dir).get(os.path.basename(self.cache1))
+        self.assertEquals(cache, self.cache1)