Merge "Calipso initial release for OPNFV"

1 files changed, 108 insertions, 0 deletions

diff --git a/app/test/fetch/db_fetch/test_db_access.py b/app/test/fetch/db_fetch/test_db_access.py
new file mode 100644
index 0000000..4ef3e74
--- /dev/null
+++ b/app/test/fetch/db_fetch/test_db_access.py
@@ -0,0 +1,108 @@
+###############################################################################
+# Copyright (c) 2017 Koren Lev (Cisco Systems), Yaron Yogev (Cisco Systems)   #
+# and others                                                                  #
+#                                                                             #
+# All rights reserved. This program and the accompanying materials            #
+# are made available under the terms of the Apache License, Version 2.0       #
+# which accompanies this distribution, and is available at                    #
+# http://www.apache.org/licenses/LICENSE-2.0                                  #
+###############################################################################
+from discover.fetchers.db.db_access import DbAccess
+from test.fetch.test_fetch import TestFetch
+from test.fetch.db_fetch.test_data.db_access import *
+from unittest.mock import MagicMock, patch
+from test.fetch.db_fetch.mock_cursor import MockCursor
+
+
+class TestDbAccess(TestFetch):
+
+    def setUp(self):
+        self.configure_environment()
+        self.fetcher = DbAccess()
+
+    @patch("mysql.connector.connect")
+    def test_db_connect(self, db_connect):
+        DbAccess.conn = None
+        db_conn = MagicMock()
+        db_conn.ping = MagicMock()
+        db_connect.return_value = db_conn
+
+        self.fetcher.db_connect(DB_CONFIG['host'], DB_CONFIG['port'],
+                                DB_CONFIG['user'], DB_CONFIG['password'],
+                                DB_CONFIG['schema'])
+
+        self.assertEqual(True, db_connect.called, "connect method has't been called")
+        db_conn.ping.assert_called_once_with(True)
+
+    def test_connect_to_db(self):
+        DbAccess.conn = None
+        self.fetcher.db_connect = MagicMock()
+        self.fetcher.connect_to_db()
+
+        self.assertEqual(True, self.fetcher.db_connect.called)
+
+    def test_connect_to_db_with_force(self):
+        DbAccess.conn = MagicMock()
+        self.fetcher.db_connect = MagicMock()
+        self.fetcher.connect_to_db(force=True)
+
+        self.assertEqual(True, self.fetcher.db_connect.called)
+
+    def test_connect_to_db_without_force(self):
+        DbAccess.conn = MagicMock()
+        self.fetcher.db_connect = MagicMock()
+        self.fetcher.connect_to_db()
+
+        self.assertEqual(False, self.fetcher.db_connect.called)
+
+    def test_get_objects_list_for_id_with_id(self):
+        # mock the db cursor
+        mock_cursor = MockCursor(OBJECTS_LIST)
+        mock_cursor.execute = MagicMock()
+
+        self.fetcher.connect_to_db = MagicMock()
+        DbAccess.conn.cursor = MagicMock(return_value=mock_cursor)
+
+        result = self.fetcher.get_objects_list_for_id(QUERY_WITH_ID, OBJECT_TYPE, ID)
+
+        mock_cursor.execute.assert_called_once_with(QUERY_WITH_ID, [ID])
+        self.assertEqual(result, OBJECTS_LIST, "Can't get objects list")
+
+    def test_get_objects_list_for_id_without_id(self):
+        mock_cursor = MockCursor(OBJECTS_LIST)
+
+        self.fetcher.connect_to_db = MagicMock()
+        DbAccess.conn.cursor = MagicMock(return_value=mock_cursor)
+        mock_cursor.execute = MagicMock()
+
+        result = self.fetcher.get_objects_list_for_id(QUERY_WITHOUT_ID, OBJECT_TYPE, None)
+
+        mock_cursor.execute.assert_called_once_with(QUERY_WITHOUT_ID)
+        self.assertEqual(result, OBJECTS_LIST, "Can't get objects list")
+
+    def test_get_objects_list_for_id_with_id_with_exception(self):
+        mock_cursor = MockCursor(OBJECTS_LIST)
+        self.fetcher.connect_to_db = MagicMock()
+        # mock exception
+        DbAccess.conn.cursor = MagicMock(return_value=mock_cursor)
+        mock_cursor.execute = MagicMock(side_effect=[AttributeError, ""])
+
+        result = self.fetcher.get_objects_list_for_id(QUERY_WITH_ID, OBJECT_TYPE, ID)
+
+        self.assertEqual(mock_cursor.execute.call_count, 2, "Can't invoke execute method " +
+                                                            "twice when error occurs")
+        self.assertEqual(result, OBJECTS_LIST, "Can't get objects list")
+
+    def test_get_objects_list_for_id_without_id_with_exception(self):
+        mock_cursor = MockCursor(OBJECTS_LIST)
+        self.fetcher.connect_to_db = MagicMock()
+        DbAccess.conn.cursor = MagicMock(return_value=mock_cursor)
+        mock_cursor.execute = MagicMock(side_effect=[AttributeError, ""])
+
+        result = self.fetcher.get_objects_list_for_id(QUERY_WITHOUT_ID,
+                                                      OBJECT_TYPE,
+                                                      None)
+
+        self.assertEqual(mock_cursor.execute.call_count, 2, "Can't invoke execute method " +
+                                                            "twice when error occurs")
+        self.assertEqual(result, OBJECTS_LIST, "Can't get objects list")