Move unit tests into tests/unit

tests/unit/test_option.py

@@ -0,0 +1,52 @@
+"""Unit tests for flake8.options.manager.Option."""
+import mock
+
+from flake8.options import manager
+
+
+def test_to_optparse():
+    """Test conversion to an optparse.Option class."""
+    opt = manager.Option(
+        short_option_name='-t',
+        long_option_name='--test',
+        action='count',
+        parse_from_config=True,
+        normalize_paths=True,
+    )
+    assert opt.normalize_paths is True
+    assert opt.parse_from_config is True
+
+    optparse_opt = opt.to_optparse()
+    assert not hasattr(optparse_opt, 'parse_from_config')
+    assert not hasattr(optparse_opt, 'normalize_paths')
+    assert optparse_opt.action == 'count'
+
+
+@mock.patch('optparse.Option')
+def test_to_optparse_creates_an_option_as_we_expect(Option):
+    """Show that we pass all keyword args to optparse.Option."""
+    opt = manager.Option('-t', '--test', action='count')
+    opt.to_optparse()
+    option_kwargs = {
+        'action': 'count',
+        'default': None,
+        'type': None,
+        'dest': None,
+        'callback': None,
+        'callback_args': None,
+        'callback_kwargs': None,
+        'help': None,
+        'metavar': None,
+    }
+
+    Option.assert_called_once_with(
+        '-t', '--test', **option_kwargs
+    )
+
+
+def test_config_name_generation():
+    """Show that we generate the config name deterministically."""
+    opt = manager.Option(long_option_name='--some-very-long-option-name',
+                         parse_from_config=True)
+
+    assert opt.config_name == 'some_very_long_option_name'