14b43beb7c
TBR=niklas.enbom@webrtc.org Review URL: https://webrtc-codereview.appspot.com/915006 git-svn-id: http://webrtc.googlecode.com/svn/trunk@2963 4adac7df-926f-26a2-2b94-8c16560cd09d
78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
#!/usr/bin/env python
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# Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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#
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# Use of this source code is governed by a BSD-style license
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# that can be found in the LICENSE file in the root of the source
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# tree. An additional intellectual property rights grant can be found
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# in the file PATENTS. All contributing project authors may
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# be found in the AUTHORS file in the root of the source tree.
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import random
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import string
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def RandomIdentifier():
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"""Generates a random javascript identifier.
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Returns:
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A javascript identifier, which must start with a letter, continued by
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letters and digits.
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"""
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length = random.randint(1, 25)
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return (random.choice(string.letters) +
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''.join(random.choice(string.letters + string.digits)
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for i in xrange(length)))
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def RandomJavascriptAttributes(num_attributes):
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"""Generates a random set of attributes for javascript object.
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Use like this, for instance:
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my_object = 'var myObject = { %s };' % GenerateRandomJavascriptAttributes(5)
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Returns:
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A list of attribute strings.
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"""
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return ['%s: %s' % (RandomIdentifier(), RandomJavascriptValue())
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for i in xrange(num_attributes)]
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def MakeJavascriptObject(attributes):
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"""Generates a javascript object from the provided list of attributes.
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Args:
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attributes: A list of attribute strings.
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Returns:
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javascript code for the object.
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"""
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return '{ ' + ', '.join(attributes) + ' }'
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def RandomJavascriptFunction():
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"""Generates code for an empty javascript function with random arguments.
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Returns:
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javascript code for the function.
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"""
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num_parameters = random.randint(0, 10)
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parameter_list = ', '.join(RandomIdentifier() for i in xrange(num_parameters))
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return 'function ' + RandomIdentifier() + '(' + parameter_list + ')' + '{ }'
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def RandomJavascriptValue():
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"""Generates code for a random javascript expression.
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Returns:
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Code for a javascript expression.
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"""
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roll = random.random()
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if roll < 0.3:
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return '"' + RandomIdentifier() + '"'
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elif roll < 0.6:
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return str(random.randint(-10000000, 10000000))
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elif roll < 0.9:
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# Functions are first-class objects.
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return RandomJavascriptFunction()
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else:
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return 'true' if random.random() < 0.5 else 'false'
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