Diff: test/config/config_test.py

Revision:

31:182518299918

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/config/config_test.py	Wed Jan 04 11:58:24 2017 -0600
@@ -0,0 +1,132 @@
+"""
+mbed SDK
+Copyright (c) 2016 ARM Limited
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
+import os.path
+import unittest
+from mock import patch
+from tools.config import Config
+
+"""
+Tests for config.py
+"""
+
+class ConfigTests(unittest.TestCase):
+    """
+    Test cases for Config class
+    """
+
+    def setUp(self):
+        """
+        Called before each test case
+
+        :return:
+        """
+        self.target = "K64F"
+
+    def tearDown(self):
+        """
+        Called after each test case
+
+        :return:
+        """
+        pass
+
+    @patch.object(Config, '_process_config_and_overrides')
+    @patch('tools.config.json_file_to_dict')
+    def test_init_app_config(self, mock_json_file_to_dict, _):
+        """
+        Test that the initialisation correctly uses app_config
+
+        :param mock_json_file_to_dict: mock of function json_file_to_dict
+        :param _: mock of function _process_config_and_overrides (not tested)
+        :return:
+        """
+        app_config = "app_config"
+        mock_return = {'config': 'test'}
+        mock_json_file_to_dict.return_value = mock_return
+
+        config = Config(self.target, app_config=app_config)
+
+        mock_json_file_to_dict.assert_called_with(app_config)
+        self.assertEqual(config.app_config_data, mock_return,
+                         "app_config_data should be set to the returned value")
+
+    @patch.object(Config, '_process_config_and_overrides')
+    @patch('tools.config.json_file_to_dict')
+    def test_init_no_app_config(self, mock_json_file_to_dict, _):
+        """
+        Test that the initialisation works without app config
+
+        :param mock_json_file_to_dict: mock of function json_file_to_dict
+        :param _: patch of function _process_config_and_overrides (not tested)
+        :return:
+        """
+        config = Config(self.target)
+
+        mock_json_file_to_dict.assert_not_called()
+        self.assertEqual(config.app_config_data, {},
+                         "app_config_data should be set an empty dictionary")
+
+    @patch.object(Config, '_process_config_and_overrides')
+    @patch('os.path.isfile')
+    @patch('tools.config.json_file_to_dict')
+    def test_init_no_app_config_with_dir(self, mock_json_file_to_dict, mock_isfile, _):
+        """
+        Test that the initialisation works without app config and with a
+        specified top level directory
+
+        :param mock_json_file_to_dict: mock of function json_file_to_dict
+        :param _: patch of function _process_config_and_overrides (not tested)
+        :return:
+        """
+        directory = '.'
+        path = os.path.join('.', 'mbed_app.json')
+        mock_return = {'config': 'test'}
+        mock_json_file_to_dict.return_value = mock_return
+        mock_isfile.return_value = True
+
+        config = Config(self.target, [directory])
+
+        mock_isfile.assert_called_with(path)
+        mock_json_file_to_dict.assert_called_once_with(path)
+        self.assertEqual(config.app_config_data, mock_return,
+                         "app_config_data should be set to the returned value")
+
+    @patch.object(Config, '_process_config_and_overrides')
+    @patch('tools.config.json_file_to_dict')
+    def test_init_override_app_config(self, mock_json_file_to_dict, _):
+        """
+        Test that the initialisation uses app_config instead of top_level_dir
+        when both are specified
+
+        :param mock_json_file_to_dict: mock of function json_file_to_dict
+        :param _: patch of function _process_config_and_overrides (not tested)
+        :return:
+        """
+        app_config = "app_config"
+        directory = '.'
+        mock_return = {'config': 'test'}
+        mock_json_file_to_dict.return_value = mock_return
+
+        config = Config(self.target, [directory], app_config=app_config)
+
+        mock_json_file_to_dict.assert_called_once_with(app_config)
+        self.assertEqual(config.app_config_data, mock_return,
+                         "app_config_data should be set to the returned value")
+
+if __name__ == '__main__':
+    unittest.main()