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Unified Diff: tools/grit/grit/gather/chrome_html_unittest.py

Issue 1410853008: Move grit from DEPS into src. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: webview licenses Created 5 years, 1 month ago
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Index: tools/grit/grit/gather/chrome_html_unittest.py
diff --git a/tools/grit/grit/gather/chrome_html_unittest.py b/tools/grit/grit/gather/chrome_html_unittest.py
new file mode 100755
index 0000000000000000000000000000000000000000..9b17c1181c386e7f293e0b6c91221435ca4e48ef
--- /dev/null
+++ b/tools/grit/grit/gather/chrome_html_unittest.py
@@ -0,0 +1,523 @@
+#!/usr/bin/env python
+# Copyright (c) 2012 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.
+
+'''Unit tests for grit.gather.chrome_html'''
+
+
+import os
+import re
+import sys
+if __name__ == '__main__':
+ sys.path.append(os.path.join(os.path.dirname(__file__), '../..'))
+
+import unittest
+
+from grit import lazy_re
+from grit import util
+from grit.gather import chrome_html
+
+
+_NEW_LINE = lazy_re.compile('(\r\n|\r|\n)', re.MULTILINE)
+
+
+def StandardizeHtml(text):
+ '''Standardizes the newline format and png mime type in Html text.'''
+ return _NEW_LINE.sub('\n', text).replace('data:image/x-png;',
+ 'data:image/png;')
+
+
+class ChromeHtmlUnittest(unittest.TestCase):
+ '''Unit tests for ChromeHtml.'''
+
+ def testFileResources(self):
+ '''Tests inlined image file resources with available high DPI assets.'''
+
+ tmp_dir = util.TempDir({
+ 'index.html': '''
+ <!DOCTYPE HTML>
+ <html>
+ <head>
+ <link rel="stylesheet" href="test.css">
+ </head>
+ <body>
+ <!-- Don't need a body. -->
+ </body>
+ </html>
+ ''',
+
+ 'test.css': '''
+ .image {
+ background: url('test.png');
+ }
+ ''',
+
+ 'test.png': 'PNG DATA',
+
+ '1.4x/test.png': '1.4x PNG DATA',
+
+ '1.8x/test.png': '1.8x PNG DATA',
+ })
+
+ html = chrome_html.ChromeHtml(tmp_dir.GetPath('index.html'))
+ html.SetDefines({'scale_factors': '1.4x,1.8x'})
+ html.SetAttributes({'flattenhtml': 'true'})
+ html.Parse()
+ self.failUnlessEqual(StandardizeHtml(html.GetData('en', 'utf-8')),
+ StandardizeHtml('''
+ <!DOCTYPE HTML>
+ <html>
+ <head>
+ <style>
+ .image {
+ background: -webkit-image-set(url('data:image/png;base64,UE5HIERBVEE=') 1x, url('data:image/png;base64,MS40eCBQTkcgREFUQQ==') 1.4x, url('data:image/png;base64,MS44eCBQTkcgREFUQQ==') 1.8x);
+ }
+ </style>
+ </head>
+ <body>
+ <!-- Don't need a body. -->
+ </body>
+ </html>
+ '''))
+ tmp_dir.CleanUp()
+
+ def testFileResourcesImageTag(self):
+ '''Tests inlined image file resources with available high DPI assets on
+ an image tag.'''
+
+ tmp_dir = util.TempDir({
+ 'index.html': '''
+ <!DOCTYPE HTML>
+ <html>
+ <body>
+ <img id="foo" src="test.png">
+ </body>
+ </html>
+ ''',
+
+ 'test.png': 'PNG DATA',
+
+ '2x/test.png': '2x PNG DATA',
+ })
+
+ html = chrome_html.ChromeHtml(tmp_dir.GetPath('index.html'))
+ html.SetDefines({'scale_factors': '2x'})
+ html.SetAttributes({'flattenhtml': 'true'})
+ html.Parse()
+ self.failUnlessEqual(StandardizeHtml(html.GetData('en', 'utf-8')),
+ StandardizeHtml('''
+ <!DOCTYPE HTML>
+ <html>
+ <body>
+ <img id="foo" src="data:image/png;base64,UE5HIERBVEE=" style="content: -webkit-image-set(url('data:image/png;base64,UE5HIERBVEE=') 1x, url('data:image/png;base64,MnggUE5HIERBVEE=') 2x);">
+ </body>
+ </html>
+ '''))
+ tmp_dir.CleanUp()
+
+ def testFileResourcesNoFlatten(self):
+ '''Tests non-inlined image file resources with available high DPI assets.'''
+
+ tmp_dir = util.TempDir({
+ 'test.css': '''
+ .image {
+ background: url('test.png');
+ }
+ ''',
+
+ 'test.png': 'PNG DATA',
+
+ '1.4x/test.png': '1.4x PNG DATA',
+
+ '1.8x/test.png': '1.8x PNG DATA',
+ })
+
+ html = chrome_html.ChromeHtml(tmp_dir.GetPath('test.css'))
+ html.SetDefines({'scale_factors': '1.4x,1.8x'})
+ html.SetAttributes({'flattenhtml': 'false'})
+ html.Parse()
+ self.failUnlessEqual(StandardizeHtml(html.GetData('en', 'utf-8')),
+ StandardizeHtml('''
+ .image {
+ background: -webkit-image-set(url('test.png') 1x, url('1.4x/test.png') 1.4x, url('1.8x/test.png') 1.8x);
+ }
+ '''))
+ tmp_dir.CleanUp()
+
+ def testFileResourcesDoubleQuotes(self):
+ '''Tests inlined image file resources if url() filename is double quoted.'''
+
+ tmp_dir = util.TempDir({
+ 'test.css': '''
+ .image {
+ background: url("test.png");
+ }
+ ''',
+
+ 'test.png': 'PNG DATA',
+
+ '2x/test.png': '2x PNG DATA',
+ })
+
+ html = chrome_html.ChromeHtml(tmp_dir.GetPath('test.css'))
+ html.SetDefines({'scale_factors': '2x'})
+ html.SetAttributes({'flattenhtml': 'true'})
+ html.Parse()
+ self.failUnlessEqual(StandardizeHtml(html.GetData('en', 'utf-8')),
+ StandardizeHtml('''
+ .image {
+ background: -webkit-image-set(url("data:image/png;base64,UE5HIERBVEE=") 1x, url("data:image/png;base64,MnggUE5HIERBVEE=") 2x);
+ }
+ '''))
+ tmp_dir.CleanUp()
+
+ def testFileResourcesNoQuotes(self):
+ '''Tests inlined image file resources when url() filename is unquoted.'''
+
+ tmp_dir = util.TempDir({
+ 'test.css': '''
+ .image {
+ background: url(test.png);
+ }
+ ''',
+
+ 'test.png': 'PNG DATA',
+
+ '2x/test.png': '2x PNG DATA',
+ })
+
+ html = chrome_html.ChromeHtml(tmp_dir.GetPath('test.css'))
+ html.SetDefines({'scale_factors': '2x'})
+ html.SetAttributes({'flattenhtml': 'true'})
+ html.Parse()
+ self.failUnlessEqual(StandardizeHtml(html.GetData('en', 'utf-8')),
+ StandardizeHtml('''
+ .image {
+ background: -webkit-image-set(url(data:image/png;base64,UE5HIERBVEE=) 1x, url(data:image/png;base64,MnggUE5HIERBVEE=) 2x);
+ }
+ '''))
+ tmp_dir.CleanUp()
+
+ def testFileResourcesNoFile(self):
+ '''Tests inlined image file resources without available high DPI assets.'''
+
+ tmp_dir = util.TempDir({
+ 'index.html': '''
+ <!DOCTYPE HTML>
+ <html>
+ <head>
+ <link rel="stylesheet" href="test.css">
+ </head>
+ <body>
+ <!-- Don't need a body. -->
+ </body>
+ </html>
+ ''',
+
+ 'test.css': '''
+ .image {
+ background: url('test.png');
+ }
+ ''',
+
+ 'test.png': 'PNG DATA',
+ })
+
+ html = chrome_html.ChromeHtml(tmp_dir.GetPath('index.html'))
+ html.SetDefines({'scale_factors': '2x'})
+ html.SetAttributes({'flattenhtml': 'true'})
+ html.Parse()
+ self.failUnlessEqual(StandardizeHtml(html.GetData('en', 'utf-8')),
+ StandardizeHtml('''
+ <!DOCTYPE HTML>
+ <html>
+ <head>
+ <style>
+ .image {
+ background: url('data:image/png;base64,UE5HIERBVEE=');
+ }
+ </style>
+ </head>
+ <body>
+ <!-- Don't need a body. -->
+ </body>
+ </html>
+ '''))
+ tmp_dir.CleanUp()
+
+ def testFileResourcesMultipleBackgrounds(self):
+ '''Tests inlined image file resources with two url()s.'''
+
+ tmp_dir = util.TempDir({
+ 'test.css': '''
+ .image {
+ background: url(test.png), url(test.png);
+ }
+ ''',
+
+ 'test.png': 'PNG DATA',
+
+ '2x/test.png': '2x PNG DATA',
+ })
+
+ html = chrome_html.ChromeHtml(tmp_dir.GetPath('test.css'))
+ html.SetDefines({'scale_factors': '2x'})
+ html.SetAttributes({'flattenhtml': 'true'})
+ html.Parse()
+ self.failUnlessEqual(StandardizeHtml(html.GetData('en', 'utf-8')),
+ StandardizeHtml('''
+ .image {
+ background: -webkit-image-set(url(data:image/png;base64,UE5HIERBVEE=) 1x, url(data:image/png;base64,MnggUE5HIERBVEE=) 2x), -webkit-image-set(url(data:image/png;base64,UE5HIERBVEE=) 1x, url(data:image/png;base64,MnggUE5HIERBVEE=) 2x);
+ }
+ '''))
+ tmp_dir.CleanUp()
+
+ def testFileResourcesMultipleBackgroundsWithNewline1(self):
+ '''Tests inlined image file resources with line break after first url().'''
+
+ tmp_dir = util.TempDir({
+ 'test.css': '''
+ .image {
+ background: url(test.png),
+ url(test.png);
+ }
+ ''',
+
+ 'test.png': 'PNG DATA',
+
+ '2x/test.png': '2x PNG DATA',
+ })
+
+ html = chrome_html.ChromeHtml(tmp_dir.GetPath('test.css'))
+ html.SetDefines({'scale_factors': '2x'})
+ html.SetAttributes({'flattenhtml': 'true'})
+ html.Parse()
+ self.failUnlessEqual(StandardizeHtml(html.GetData('en', 'utf-8')),
+ StandardizeHtml('''
+ .image {
+ background: -webkit-image-set(url(data:image/png;base64,UE5HIERBVEE=) 1x, url(data:image/png;base64,MnggUE5HIERBVEE=) 2x),
+ -webkit-image-set(url(data:image/png;base64,UE5HIERBVEE=) 1x, url(data:image/png;base64,MnggUE5HIERBVEE=) 2x);
+ }
+ '''))
+ tmp_dir.CleanUp()
+
+ def testFileResourcesMultipleBackgroundsWithNewline2(self):
+ '''Tests inlined image file resources with line break before first url()
+ and before second url().'''
+
+ tmp_dir = util.TempDir({
+ 'test.css': '''
+ .image {
+ background:
+ url(test.png),
+ url(test.png);
+ }
+ ''',
+
+ 'test.png': 'PNG DATA',
+
+ '2x/test.png': '2x PNG DATA',
+ })
+
+ html = chrome_html.ChromeHtml(tmp_dir.GetPath('test.css'))
+ html.SetDefines({'scale_factors': '2x'})
+ html.SetAttributes({'flattenhtml': 'true'})
+ html.Parse()
+ self.failUnlessEqual(StandardizeHtml(html.GetData('en', 'utf-8')),
+ StandardizeHtml('''
+ .image {
+ background: -webkit-image-set(url(data:image/png;base64,UE5HIERBVEE=) 1x, url(data:image/png;base64,MnggUE5HIERBVEE=) 2x),
+ -webkit-image-set(url(data:image/png;base64,UE5HIERBVEE=) 1x, url(data:image/png;base64,MnggUE5HIERBVEE=) 2x);
+ }
+ '''))
+ tmp_dir.CleanUp()
+
+ def testFileResourcesCRLF(self):
+ '''Tests inlined image file resource when url() is preceded by a Windows
+ style line break.'''
+
+ tmp_dir = util.TempDir({
+ 'test.css': '''
+ .image {
+ background:\r\nurl(test.png);
+ }
+ ''',
+
+ 'test.png': 'PNG DATA',
+
+ '2x/test.png': '2x PNG DATA',
+ })
+
+ html = chrome_html.ChromeHtml(tmp_dir.GetPath('test.css'))
+ html.SetDefines({'scale_factors': '2x'})
+ html.SetAttributes({'flattenhtml': 'true'})
+ html.Parse()
+ self.failUnlessEqual(StandardizeHtml(html.GetData('en', 'utf-8')),
+ StandardizeHtml('''
+ .image {
+ background: -webkit-image-set(url(data:image/png;base64,UE5HIERBVEE=) 1x, url(data:image/png;base64,MnggUE5HIERBVEE=) 2x);
+ }
+ '''))
+ tmp_dir.CleanUp()
+
+ def testThemeResources(self):
+ '''Tests inserting high DPI chrome://theme references.'''
+
+ tmp_dir = util.TempDir({
+ 'index.html': '''
+ <!DOCTYPE HTML>
+ <html>
+ <head>
+ <link rel="stylesheet" href="test.css">
+ </head>
+ <body>
+ <!-- Don't need a body. -->
+ </body>
+ </html>
+ ''',
+
+ 'test.css': '''
+ .image {
+ background: url('chrome://theme/IDR_RESOURCE_NAME');
+ content: url('chrome://theme/IDR_RESOURCE_NAME_WITH_Q?$1');
+ }
+ ''',
+ })
+
+ html = chrome_html.ChromeHtml(tmp_dir.GetPath('index.html'))
+ html.SetDefines({'scale_factors': '2x'})
+ html.SetAttributes({'flattenhtml': 'true'})
+ html.Parse()
+ self.failUnlessEqual(StandardizeHtml(html.GetData('en', 'utf-8')),
+ StandardizeHtml('''
+ <!DOCTYPE HTML>
+ <html>
+ <head>
+ <style>
+ .image {
+ background: -webkit-image-set(url('chrome://theme/IDR_RESOURCE_NAME') 1x, url('chrome://theme/IDR_RESOURCE_NAME@2x') 2x);
+ content: -webkit-image-set(url('chrome://theme/IDR_RESOURCE_NAME_WITH_Q?$1') 1x, url('chrome://theme/IDR_RESOURCE_NAME_WITH_Q@2x?$1') 2x);
+ }
+ </style>
+ </head>
+ <body>
+ <!-- Don't need a body. -->
+ </body>
+ </html>
+ '''))
+ tmp_dir.CleanUp()
+
+ def testRemoveUnsupportedScale(self):
+ '''Tests removing an unsupported scale factor from an explicit image-set.'''
+
+ tmp_dir = util.TempDir({
+ 'index.html': '''
+ <!DOCTYPE HTML>
+ <html>
+ <head>
+ <link rel="stylesheet" href="test.css">
+ </head>
+ <body>
+ <!-- Don't need a body. -->
+ </body>
+ </html>
+ ''',
+
+ 'test.css': '''
+ .image {
+ background: -webkit-image-set(url('test.png') 1x,
+ url('test1.4.png') 1.4x,
+ url('test1.8.png') 1.8x);
+ }
+ ''',
+
+ 'test.png': 'PNG DATA',
+
+ 'test1.4.png': '1.4x PNG DATA',
+
+ 'test1.8.png': '1.8x PNG DATA',
+ })
+
+ html = chrome_html.ChromeHtml(tmp_dir.GetPath('index.html'))
+ html.SetDefines({'scale_factors': '1.8x'})
+ html.SetAttributes({'flattenhtml': 'true'})
+ html.Parse()
+ self.failUnlessEqual(StandardizeHtml(html.GetData('en', 'utf-8')),
+ StandardizeHtml('''
+ <!DOCTYPE HTML>
+ <html>
+ <head>
+ <style>
+ .image {
+ background: -webkit-image-set(url('data:image/png;base64,UE5HIERBVEE=') 1x,
+ url('data:image/png;base64,MS44eCBQTkcgREFUQQ==') 1.8x);
+ }
+ </style>
+ </head>
+ <body>
+ <!-- Don't need a body. -->
+ </body>
+ </html>
+ '''))
+ tmp_dir.CleanUp()
+
+ def testExpandVariablesInFilename(self):
+ '''
+ Tests variable substitution in filenames while flattening images
+ with multiple scale factors.
+ '''
+
+ tmp_dir = util.TempDir({
+ 'index.html': '''
+ <!DOCTYPE HTML>
+ <html>
+ <head>
+ <link rel="stylesheet" href="test.css">
+ </head>
+ <body>
+ <!-- Don't need a body. -->
+ </body>
+ </html>
+ ''',
+
+ 'test.css': '''
+ .image {
+ background: url('test[WHICH].png');
+ }
+ ''',
+
+ 'test1.png': 'PNG DATA',
+ '1.4x/test1.png': '1.4x PNG DATA',
+ '1.8x/test1.png': '1.8x PNG DATA',
+ })
+
+ def replacer(var, repl):
+ return lambda filename: filename.replace('[%s]' % var, repl)
+
+ html = chrome_html.ChromeHtml(tmp_dir.GetPath('index.html'))
+ html.SetDefines({'scale_factors': '1.4x,1.8x'})
+ html.SetAttributes({'flattenhtml': 'true'})
+ html.SetFilenameExpansionFunction(replacer('WHICH', '1'));
+ html.Parse()
+ self.failUnlessEqual(StandardizeHtml(html.GetData('en', 'utf-8')),
+ StandardizeHtml('''
+ <!DOCTYPE HTML>
+ <html>
+ <head>
+ <style>
+ .image {
+ background: -webkit-image-set(url('data:image/png;base64,UE5HIERBVEE=') 1x, url('data:image/png;base64,MS40eCBQTkcgREFUQQ==') 1.4x, url('data:image/png;base64,MS44eCBQTkcgREFUQQ==') 1.8x);
+ }
+ </style>
+ </head>
+ <body>
+ <!-- Don't need a body. -->
+ </body>
+ </html>
+ '''))
+ tmp_dir.CleanUp()
+
+
+if __name__ == '__main__':
+ unittest.main()
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