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#!/usr/bin/env python
# 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.
"""Test resources processing, i.e. <if> and <include> tag handling."""
import unittest
from processor import FileCache, Processor, LineNumber
class ProcessorTest(unittest.TestCase):
"""Test <include> tag processing logic."""
def __init__(self, *args, **kwargs):
unittest.TestCase.__init__(self, *args, **kwargs)
self.maxDiff = None
def setUp(self):
FileCache._cache["/debug.js"] = """
// Copyright 2002 Older Chromium Author dudes.
function debug(msg) { if (window.DEBUG) alert(msg); }
""".strip()
FileCache._cache["/global.js"] = """
// Copyright 2014 Old Chromium Author dudes.
<include src="/debug.js">
var global = 'type checking!';
""".strip()
FileCache._cache["/checked.js"] = """
// Copyright 2028 Future Chromium Author dudes.
/**
* @fileoverview Coolest app ever.
* @author Douglas Crockford (douglas@crockford.com)
*/
<include src="/global.js">
debug(global);
// Here continues checked.js, a swell file.
""".strip()
FileCache._cache["/double-debug.js"] = """
<include src="/debug.js">
<include src="/debug.js">
""".strip()
self._processor = Processor("/checked.js")
def testInline(self):
self.assertMultiLineEqual("""
// Copyright 2028 Future Chromium Author dudes.
/**
* @fileoverview Coolest app ever.
* @author Douglas Crockford (douglas@crockford.com)
*/
// Copyright 2014 Old Chromium Author dudes.
// Copyright 2002 Older Chromium Author dudes.
function debug(msg) { if (window.DEBUG) alert(msg); }
var global = 'type checking!';
debug(global);
// Here continues checked.js, a swell file.
""".strip(), self._processor.contents)
def assertLineNumber(self, abs_line, expected_line):
actual_line = self._processor.get_file_from_line(abs_line)
self.assertEqual(expected_line.file, actual_line.file)
self.assertEqual(expected_line.line_number, actual_line.line_number)
def testGetFileFromLine(self):
"""Verify that inlined files retain their original line info."""
self.assertLineNumber(1, LineNumber("/checked.js", 1))
self.assertLineNumber(5, LineNumber("/checked.js", 5))
self.assertLineNumber(6, LineNumber("/global.js", 1))
self.assertLineNumber(7, LineNumber("/debug.js", 1))
self.assertLineNumber(8, LineNumber("/debug.js", 2))
self.assertLineNumber(9, LineNumber("/global.js", 3))
self.assertLineNumber(10, LineNumber("/checked.js", 7))
self.assertLineNumber(11, LineNumber("/checked.js", 8))
def testIncludedFiles(self):
"""Verify that files are tracked correctly as they're inlined."""
self.assertEquals(set(["/global.js", "/debug.js"]),
self._processor.included_files)
def testDoubleIncludedSkipped(self):
"""Verify that doubly included files are skipped."""
processor = Processor("/double-debug.js")
self.assertEquals(set(["/debug.js"]), processor.included_files)
self.assertEquals(FileCache.read("/debug.js") + "\n", processor.contents)
class IfStrippingTest(unittest.TestCase):
"""Test that the contents of XML <if> blocks are stripped."""
def __init__(self, *args, **kwargs):
unittest.TestCase.__init__(self, *args, **kwargs)
self.maxDiff = None
def setUp(self):
FileCache._cache["/century.js"] = """
function getCurrentCentury() {
<if expr="netscape_os">
alert("Oh wow!");
return "XX";
</if>
return "XXI";
}
""".strip()
self.processor_ = Processor("/century.js")
def testIfStripping(self):
self.assertMultiLineEqual("""
function getCurrentCentury() {
alert("Oh wow!");
return "XX";
return "XXI";
}
""".strip(), self.processor_.contents)
if __name__ == '__main__':
unittest.main()
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