def test_replace_env(self):
		"""Test that Configuration._replace_env() correctly replaces $VAR entries"""
		input_dict = {
			'REPLACE': '$VAR',
			'EMPTY': '$EMPTY',
			'KEEP': 'VAR',
			'INTERLACED': '_ $VAR with other content'
		}
		output_dict = {
			'REPLACE': 'value',
			'EMPTY': '$EMPTY',
			'KEEP': 'VAR',
			'INTERLACED': '_ value with other content'
		}
		with mock.patch('os.environ', {'VAR': 'value'}):
			self.assertEqual(Configuration._replace_env(input_dict), output_dict)
 def test_replace_env(self):
     """Test that Configuration._replace_env() correctly replaces $VAR entries"""
     input_dict = {
         'REPLACE': '$VAR',
         'EMPTY': '$EMPTY',
         'KEEP': 'VAR',
         'INTERLACED': '_ $VAR with other content'
     }
     output_dict = {
         'REPLACE': 'value',
         'EMPTY': '$EMPTY',
         'KEEP': 'VAR',
         'INTERLACED': '_ value with other content'
     }
     with mock.patch('os.environ', {'VAR': 'value'}):
         self.assertEqual(Configuration._replace_env(input_dict),
                          output_dict)