Overlay expected and actual repaint rects for LayoutTests.

Tools/Scripts/webkitpy/layout_tests/controllers/repaint_overlay_unittest.py

+# Copyright 2014 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.
+
+import optparse
+import webkitpy.thirdparty.unittest2 as unittest
+
+from webkitpy.layout_tests.controllers import repaint_overlay
+
+
+EXPECTED_TEXT = """
+(GraphicsLayer
+  (bounds 800.00 600.00)
+  (children 1
+    (GraphicsLayer
+      (bounds 800.00 600.00)
+      (contentsOpaque 1)
+      (drawsContent 1)
+      (repaint rects
+        (rect 8.00 108.00 100.00 100.00)
+        (rect 0.00 216.00 800.00 100.00)
+      )
+    )
+  )
+)
+"""
+
+ACTUAL_TEXT = """
+(GraphicsLayer
+  (bounds 800.00 600.00)
+  (children 1
+    (GraphicsLayer
+      (bounds 800.00 600.00)
+      (contentsOpaque 1)
+      (drawsContent 1)
+      (repaint rects
+        (rect 0.00 216.00 800.00 100.00)
+      )
+    )
+  )
+)
+"""
+
+
+class TestRepaintOverlay(unittest.TestCase):
+    def test_result_contains_repaint_rects(self):
+        self.assertTrue(repaint_overlay.result_contains_repaint_rects(EXPECTED_TEXT))
+        self.assertTrue(repaint_overlay.result_contains_repaint_rects(ACTUAL_TEXT))
+        self.assertFalse(repaint_overlay.result_contains_repaint_rects('ABCD'))
+
+    def test_generate_repaint_overlay_html(self):
+        html = repaint_overlay.generate_repaint_overlay_html('test', ACTUAL_TEXT, EXPECTED_TEXT)
+        self.assertNotEqual(-1, html.find('expected_rects = [[8.00,108.00,100.00,100.00],[0.00,216.00,800.00,100.00]];'))
+        self.assertNotEqual(-1, html.find('actual_rects = [[0.00,216.00,800.00,100.00]];'))