Make the default db for all tests, remove after each test

tests/conftest.py

@@ -1,6 +1,16 @@
 import nkms.db
+import shutil
+import os
+import appdirs
 
 
 def pytest_runtest_setup(item):
     # Monkey-patching for tests so that we don't overwrite the default db
     nkms.db.DB_NAME = 'debug-rekeys-db'
+
+
+def pytest_runtest_teardown(item, nextitem):
+    path = os.path.join(
+            appdirs.user_data_dir(nkms.db.CONFIG_APPNAME), nkms.db.DB_NAME)
+    if os.path.exists(path):
+        shutil.rmtree(path)

tests/test_db.py

@@ -1,5 +1,4 @@
 from nkms.db import DB
-import shutil
 import pytest
 
 
@@ -19,7 +18,6 @@ def test_db():
     with pytest.raises(KeyError):
         db[b'x']
     assert b'x' not in db
+    db.close()
 
     assert db.path == db2.path
-
-    shutil.rmtree(db.path)