[WebAgent API]: Implement name style handling.

third_party/WebKit/Source/bindings/scripts/name_style_converer_test.py

+# Copyright 2017 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# pylint: disable=import-error,print-statement,relative-import,protected-access
+
+"""Unit tests for name_style_converter.py."""
+
+import unittest
+
+from name_style_converter import NameStyleConverter
+from name_style_converter import SmartTokenizer
+
+
+class SmartTokenizerTest(unittest.TestCase):
+    def test_simple_cases(self):
+        tokenizer = SmartTokenizer('foo')
+        self.assertEqual(tokenizer.tokenize(), ['foo'])
+
+        tokenizer = SmartTokenizer('fooBar')
+        self.assertEqual(tokenizer.tokenize(), ['foo', 'Bar'])
+
+        tokenizer = SmartTokenizer('fooBarBaz')
+        self.assertEqual(tokenizer.tokenize(), ['foo', 'Bar', 'Baz'])
+
+        tokenizer = SmartTokenizer('Baz')
+        self.assertEqual(tokenizer.tokenize(), ['Baz'])
+
+        tokenizer = SmartTokenizer('')
+        self.assertEqual(tokenizer.tokenize(), [])
+
+        tokenizer = SmartTokenizer('FOO')
+        self.assertEqual(tokenizer.tokenize(), ['FOO'])
+
+        tokenizer = SmartTokenizer('foo2')
+        self.assertEqual(tokenizer.tokenize(), ['foo', '2'])
+
+    def test_tricky_cases(self):
+        tokenizer = SmartTokenizer('XMLHttpRequest')
+        self.assertEqual(tokenizer.tokenize(), ['XML', 'Http', 'Request'])
+
+        tokenizer = SmartTokenizer('HTMLElement')
+        self.assertEqual(tokenizer.tokenize(), ['HTML', 'Element'])
+
+        tokenizer = SmartTokenizer('WebGLRenderingContext')
+        self.assertEqual(tokenizer.tokenize(),
+                         ['WebGL', 'Rendering', 'Context'])
+
+        tokenizer = SmartTokenizer('CanvasRenderingContext2D')
+        self.assertEqual(tokenizer.tokenize(),
+                         ['Canvas', 'Rendering', 'Context', '2D'])
+
+        tokenizer = SmartTokenizer('SVGSVGElement')
+        self.assertEqual(tokenizer.tokenize(), ['SVG', 'SVG', 'Element'])
+
+
+class NameStyleConverterTest(unittest.TestCase):
+    def test_snake_case(self):
+        converter = NameStyleConverter('HTMLElement')
+        self.assertEqual(converter.to_snake_case(), 'html_element')
+
+    def test_upper_camel_case(self):
+        converter = NameStyleConverter('someSuperThing')
+        self.assertEqual(converter.to_upper_camel_case(), 'SomeSuperThing')
+
+        converter = NameStyleConverter('SVGElement')
+        self.assertEqual(converter.to_upper_camel_case(), 'SVGElement')
+
+    def test_macro_case(self):
+        converter = NameStyleConverter('WebGLBaz2D')
+        self.assertEqual(converter.to_macro_case(), 'WEBGL_BAZ_2D')
+
+    def test_all_cases(self):
+        converter = NameStyleConverter('SVGScriptElement')
+        self.assertEqual(converter.to_all_cases(), {
+            'snake_case': 'svg_script_element',
+            'upper_camel_case': 'SVGScriptElement',
+            'macro_case': 'SVG_SCRIPT_ELEMENT',
+        })