Set Arduino sketch default location file to be project directory.

This helps circumvent the issue with the default being the OS root in OSX, which needs sudo rights to write a file.

ardublocklyserver/compilersettings.py

@@ -241,8 +241,8 @@ class ServerCompilerSettings(object):
     sketch_dir = property(get_sketch_dir, set_sketch_dir)
 
     def set_sketch_dir_default(self):
-        """ Sketch default location is the current working directory. """
-        self.__sketch_dir = os.getcwd()
+        """ Sketch default location the same as the settings file location. """
+        self.__sketch_dir = os.path.dirname(self.__settings_path)
 
     def set_sketch_dir_from_file(self, new_sketch_dir):
         """ The sketch directory must be a folder """

ardublocklyserver/tests/compilersettings_test.py

@@ -88,7 +88,7 @@ class ServerCompilerSettingsTestCase(unittest.TestCase):
         mock_os_path_isfile.return_value = True
         old_compiler_dir = instance.compiler_dir
         self.assertIsNone(old_compiler_dir)
-        new_compiler_dir = os.path.join(os.getcwd(), 'random.exe')
+        new_compiler_dir = os.path.join(os.getcwd(), 'ろΓαζςÂaé', 'random.exe')
         instance.compiler_dir = new_compiler_dir
         self.assertEqual(
             instance.compiler_dir,
@@ -165,13 +165,27 @@ class ServerCompilerSettingsTestCase(unittest.TestCase):
     #
     # Test the sketch name accessors
     #
-    def test_sketch_name_valid_accesor(self):
-        #TODO: This test
-        pass
+    @mock.patch('ardublocklyserver.compilersettings.os.path.isdir')
+    def test_sketch_name_valid_accesor(self, mock_isdir):
+        self.delete_default_settings_file()
+        old_sketch_dir = ServerCompilerSettings().sketch_dir
+        mock_isdir.return_value = True
+        test_sketch_dir = os.path.join(os.getcwd(), 'unicode_いろΓαζέεςÂaéquo')
+        ServerCompilerSettings().sketch_dir = test_sketch_dir
+        self.assertEqual(test_sketch_dir, ServerCompilerSettings().sketch_dir)
+        self.assertNotEqual(old_sketch_dir, ServerCompilerSettings().sketch_dir)
 
     def test_sketch_name_invalid_accesor(self):
-        #TODO: This test
-        pass
+        """
+        Tests path doesn't get saved the input is not a valid directory.
+        """
+        self.delete_default_settings_file()
+        old_sketch_dir = ServerCompilerSettings().sketch_dir
+        test_sketch_dir = os.path.join(os.getcwd(), 'random_faKe_dir_ろ')
+        ServerCompilerSettings().sketch_dir = test_sketch_dir
+        self.assertNotEqual(test_sketch_dir,
+                            ServerCompilerSettings().sketch_dir)
+        self.assertEqual(old_sketch_dir, ServerCompilerSettings().sketch_dir)
 
     #
     # Test the sketch directory accessors