extend black formatting to tests as well

tests/unit/test_legacy_api.py

@@ -21,12 +21,14 @@ def test_get_style_guide():
     )
     mockedapp = mock.Mock()
     mockedapp.parse_preliminary_options.return_value = (prelim_opts, [])
-    mockedapp.program = 'flake8'
-    with mock.patch('flake8.api.legacy.config.ConfigFileFinder') as mock_config_finder:  # noqa: E501
+    mockedapp.program = "flake8"
+    with mock.patch(
+        "flake8.api.legacy.config.ConfigFileFinder"
+    ) as mock_config_finder:  # noqa: E501
         config_finder = ConfigFileFinder(mockedapp.program)
         mock_config_finder.return_value = config_finder
 
-        with mock.patch('flake8.main.application.Application') as application:
+        with mock.patch("flake8.main.application.Application") as application:
             application.return_value = mockedapp
             style_guide = api.get_style_guide()
 
@@ -35,7 +37,8 @@ def test_get_style_guide():
     mockedapp.find_plugins.assert_called_once_with(config_finder)
     mockedapp.register_plugin_options.assert_called_once_with()
     mockedapp.parse_configuration_and_cli.assert_called_once_with(
-        config_finder, [])
+        config_finder, []
+    )
     mockedapp.make_formatter.assert_called_once_with()
     mockedapp.make_guide.assert_called_once_with()
     mockedapp.make_file_checker_manager.assert_called_once_with()
@@ -45,22 +48,22 @@ def test_get_style_guide():
 def test_styleguide_options():
     """Show that we proxy the StyleGuide.options attribute."""
     app = mock.Mock()
-    app.options = 'options'
+    app.options = "options"
     style_guide = api.StyleGuide(app)
-    assert style_guide.options == 'options'
+    assert style_guide.options == "options"
 
 
 def test_styleguide_paths():
     """Show that we proxy the StyleGuide.paths attribute."""
     app = mock.Mock()
-    app.paths = 'paths'
+    app.paths = "paths"
     style_guide = api.StyleGuide(app)
-    assert style_guide.paths == 'paths'
+    assert style_guide.paths == "paths"
 
 
 def test_styleguide_check_files():
     """Verify we call the right application methods."""
-    paths = ['foo', 'bar']
+    paths = ["foo", "bar"]
     app = mock.Mock()
     style_guide = api.StyleGuide(app)
     report = style_guide.check_files(paths)
@@ -80,8 +83,8 @@ def test_styleguide_excluded():
     file_checker_manager = app.file_checker_manager = mock.Mock()
     style_guide = api.StyleGuide(app)
 
-    style_guide.excluded('file.py')
-    file_checker_manager.is_path_excluded.assert_called_once_with('file.py')
+    style_guide.excluded("file.py")
+    file_checker_manager.is_path_excluded.assert_called_once_with("file.py")
 
 
 def test_styleguide_excluded_with_parent():
@@ -95,10 +98,10 @@ def test_styleguide_excluded_with_parent():
     file_checker_manager.is_path_excluded.return_value = False
     style_guide = api.StyleGuide(app)
 
-    style_guide.excluded('file.py', 'parent')
+    style_guide.excluded("file.py", "parent")
     assert file_checker_manager.is_path_excluded.call_args_list == [
-        mock.call('file.py'),
-        mock.call(os.path.join('parent', 'file.py')),
+        mock.call("file.py"),
+        mock.call(os.path.join("parent", "file.py")),
     ]
 
 
@@ -123,7 +126,7 @@ def test_styleguide_init_report_with_non_subclass():
 
 def test_styleguide_init_report():
     """Verify we do the right incantation for the Application."""
-    app = mock.Mock(guide='fake')
+    app = mock.Mock(guide="fake")
     style_guide = api.StyleGuide(app)
 
     class FakeFormatter(formatter.BaseFormatter):
@@ -140,16 +143,16 @@ def test_styleguide_input_file():
     """Verify we call StyleGuide.check_files with the filename."""
     app = mock.Mock()
     style_guide = api.StyleGuide(app)
-    with mock.patch.object(style_guide, 'check_files') as check_files:
-        style_guide.input_file('file.py')
-    check_files.assert_called_once_with(['file.py'])
+    with mock.patch.object(style_guide, "check_files") as check_files:
+        style_guide.input_file("file.py")
+    check_files.assert_called_once_with(["file.py"])
 
 
 def test_report_total_errors():
     """Verify total errors is just a proxy attribute."""
-    app = mock.Mock(result_count='Fake count')
+    app = mock.Mock(result_count="Fake count")
     report = api.Report(app)
-    assert report.total_errors == 'Fake count'
+    assert report.total_errors == "Fake count"
 
 
 def test_report_get_statistics():
@@ -160,5 +163,5 @@ def test_report_get_statistics():
     app = mock.Mock(guide=style_guide)
 
     report = api.Report(app)
-    assert report.get_statistics('E') == []
-    stats.statistics_for.assert_called_once_with('E')
+    assert report.get_statistics("E") == []
+    stats.statistics_for.assert_called_once_with("E")