Add store test, move store to subdir module

tests/test_store.py

@@ -0,0 +1,52 @@
+# standard imports
+import os
+import tempfile
+import unittest
+import logging
+import shutil
+
+# external imports
+
+# local imports
+from chainqueue.store.fs import (
+        IndexStore,
+        CounterStore,
+        )
+
+
+logging.basicConfig(level=logging.DEBUG)
+logg = logging.getLogger()
+
+class TestStoreImplementations(unittest.TestCase):
+
+    def setUp(self):
+        self.path = tempfile.mkdtemp()
+      
+
+    def tearDown(self):
+        shutil.rmtree(self.path)
+
+    
+    def test_basic_index(self):
+        store = IndexStore(self.path)
+        hx = os.urandom(32).hex()
+        data = 'foo_bar_baz'
+        store.put(hx, data)
+        r = store.get(hx)
+        self.assertEqual(data, r)
+
+
+    def test_basic_counter(self):
+        store = CounterStore(self.path)
+        v = store.next()
+        self.assertEqual(v, 0)
+        v = store.next()
+        self.assertEqual(v, 1)
+
+        store = CounterStore(self.path)
+        v = store.next()
+        self.assertEqual(v, 2)
+
+
+if __name__ == '__main__':
+    unittest.main()