import unittest
## Run the tests on minjson by changing the import...
import json
#import minjson as json
## jsontest.py implements tests for the json.py JSON
## (http://json.org) reader and writer.
## Copyright (C) 2005 Patrick D. Logan
## Contact mailto:patrickdlogan@stardecisions.com
##
## This library is free software; you can redistribute it and/or
## modify it under the terms of the GNU Lesser General Public
## License as published by the Free Software Foundation; either
## version 2.1 of the License, or (at your option) any later version.
##
## This library is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## Lesser General Public License for more details.
##
## You should have received a copy of the GNU Lesser General Public
## License along with this library; if not, write to the Free Software
## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# The object tests should be order-independent. They're not.
# i.e. they should test for existence of keys and values
# with read/write invariance.
def _removeWhitespace(str):
return str.replace(" ", "")
class JsonTest(unittest.TestCase):
def testReadEmptyObject(self):
obj = json.read("{}")
self.assertEqual({}, obj)
def testWriteEmptyObject(self):
s = json.write({})
self.assertEqual("{}", _removeWhitespace(s))
def testReadStringValue(self):
obj = json.read('{ "name" : "Patrick" }')
self.assertEqual({ "name" : "Patrick" }, obj)
def testReadEscapedQuotationMark(self):
obj = json.read(r'"\""')
self.assertEqual(r'"', obj)
def testReadEscapedSolidus(self):
obj = json.read(r'"\/"')
self.assertEqual(r'/', obj)
def testReadEscapedReverseSolidus(self):
obj = json.read(r'"\\"')
self.assertEqual("\\", obj)
def testReadEscapedBackspace(self):
obj = json.read(r'"\b"')
self.assertEqual("\b", obj)
def testReadEscapedFormfeed(self):
obj = json.read(r'"\f"')
self.assertEqual("\f", obj)
def testReadEscapedNewline(self):
obj = json.read(r'"\n"')
self.assertEqual("\n", obj)
def testReadEscapedCarriageReturn(self):
obj = json.read(r'"\r"')
self.assertEqual("\r", obj)
def testReadEscapedHorizontalTab(self):
obj = json.read(r'"\t"')
self.assertEqual("\t", obj)
def testReadEscapedHexCharacter(self):
obj = json.read(r'"\u000A"')
self.assertEqual("\n", obj)
obj = json.read(r'"\u1001"')
self.assertEqual(u'\u1001', obj)
def testWriteEscapedQuotationMark(self):
s = json.write(r'"')
self.assertEqual(r'"\""', _removeWhitespace(s))
def testWriteEscapedSolidus(self):
s = json.write(r'/', escaped_forward_slash=True)
self.assertEqual(r'"\/"', _removeWhitespace(s))
def testWriteNonEscapedSolidus(self):
s = json.write(r'/')
self.assertEqual(r'"/"', _removeWhitespace(s))
def testWriteEscapedReverseSolidus(self):
s = json.write("\\")
self.assertEqual(r'"\\"', _removeWhitespace(s))
def testWriteEscapedBackspace(self):
s = json.write("\b")
self.assertEqual(r'"\b"', _removeWhitespace(s))
def testWriteEscapedFormfeed(self):
s = json.write("\f")
self.assertEqual(r'"\f"', _removeWhitespace(s))
def testWriteEscapedNewline(self):
s = json.write("\n")
self.assertEqual(r'"\n"', _removeWhitespace(s))
def testWriteEscapedCarriageReturn(self):
s = json.write("\r")
self.assertEqual(r'"\r"', _removeWhitespace(s))
def testWriteEscapedHorizontalTab(self):
s = json.write("\t")
self.assertEqual(r'"\t"', _removeWhitespace(s))
def testWriteEscapedHexCharacter(self):
s = json.write(u'\u1001')
self.assertEqual(u'"\u1001"', _removeWhitespace(s))
def testReadBadEscapedHexCharacter(self):
self.assertRaises(json.ReadException, self.doReadBadEscapedHexCharacter)
def doReadBadEscapedHexCharacter(self):
json.read('"\u10K5"')
def testReadBadObjectKey(self):
self.assertRaises(json.ReadException, self.doReadBadObjectKey)
def doReadBadObjectKey(self):
json.read('{ 44 : "age" }')
def testReadBadArray(self):
self.assertRaises(json.ReadException, self.doReadBadArray)
def doReadBadArray(self):
json.read('[1,2,3,,]')
def testReadDoubleSolidusComment(self):
obj = json.read("[1, 2, // This is a comment.\n 3]")
self.assertEqual([1, 2, 3], obj)
obj = json.read('[1, 2, // This is a comment.\n{"last":3}]')
self.assertEqual([1, 2, {"last":3}], obj)
def testReadBadDoubleSolidusComment(self):
self.assertRaises(json.ReadException, self.doReadBadDoubleSolidusComment)
def doReadBadDoubleSolidusComment(self):
json.read("[1, 2, / This is not a comment.\n 3]")
def testReadCStyleComment(self):
obj = json.read("[1, 2, /* This is a comment. \n */ 3]")
self.assertEqual([1, 2, 3], obj)
obj = json.read('[1, 2, /* This is a comment. */{"last":3}]')
self.assertEqual([1, 2, {"last":3}], obj)
def testReadCStyleCommentWithoutEnd(self):
self.assertRaises(json.ReadException, self.doReadCStyleCommentWithoutEnd)
def testReadCStyleCommentWithSlashStar(self):
self.assertRaises(json.ReadException, self.doReadCStyleCommentWithSlashStar)
def doReadCStyleCommentWithoutEnd(self):
json.read("[1, 2, /* This is not a comment./ 3]")
def doReadCStyleCommentWithSlashStar(self):
json.read("[1, 2, /* This is not a comment./* */ 3]")
def testReadBadObjectSyntax(self):
self.assertRaises(json.ReadException, self.doReadBadObjectSyntax)
def doReadBadObjectSyntax(self):
json.read('{"age", 44}')
def testWriteStringValue(self):
s = json.write({ "name" : "Patrick" })
self.assertEqual('{"name":"Patrick"}', _removeWhitespace(s))
def testReadIntegerValue(self):
obj = json.read('{ "age" : 44 }')
self.assertEqual({ "age" : 44 }, obj)
def testReadNegativeIntegerValue(self):
obj = json.read('{ "key" : -44 }')
self.assertEqual({ "key" : -44 }, obj)
def testReadFloatValue(self):
obj = json.read('{ "age" : 44.5 }')
self.assertEqual({ "age" : 44.5 }, obj)
def testReadNegativeFloatValue(self):
obj = json.read(' { "key" : -44.5 } ')
self.assertEqual({ "key" : -44.5 }, obj)
def testReadBadNumber(self):
self.assertRaises(json.ReadException, self.doReadBadNumber)
def doReadBadNumber(self):
json.read('-44.4.4')
def testReadSmallObject(self):
obj = json.read('{ "name" : "Patrick", "age":44} ')
self.assertEqual({ "age" : 44, "name" : "Patrick" }, obj)
def testReadEmptyArray(self):
obj = json.read('[]')
self.assertEqual([], obj)
def testWriteEmptyArray(self):
self.assertEqual("[]", _removeWhitespace(json.write([])))
def testReadSmallArray(self):
obj = json.read(' [ "a" , "b", "c" ] ')
self.assertEqual(["a", "b", "c"], obj)
def testWriteSmallArray(self):
self.assertEqual('[1,2,3,4]', _removeWhitespace(json.write([1, 2, 3, 4])))
def testWriteSmallObject(self):
s = json.write({ "name" : "Patrick", "age": 44 })
self.assertEqual('{"age":44,"name":"Patrick"}', _removeWhitespace(s))
def testWriteFloat(self):
self.assertEqual("3.445567", _removeWhitespace(json.write(3.44556677)))
def testReadTrue(self):
self.assertEqual(True, json.read("true"))
def testReadFalse(self):
self.assertEqual(False, json.read("false"))
def testReadNull(self):
self.assertEqual(None, json.read("null"))
def testWriteTrue(self):
self.assertEqual("true", _removeWhitespace(json.write(True)))
def testWriteFalse(self):
self.assertEqual("false", _removeWhitespace(json.write(False)))
def testWriteNull(self):
self.assertEqual("null", _removeWhitespace(json.write(None)))
def testReadArrayOfSymbols(self):
self.assertEqual([True, False, None], json.read(" [ true, false,null] "))
def testWriteArrayOfSymbolsFromList(self):
self.assertEqual("[true,false,null]", _removeWhitespace(json.write([True, False, None])))
def testWriteArrayOfSymbolsFromTuple(self):
self.assertEqual("[true,false,null]", _removeWhitespace(json.write((True, False, None))))
def testReadComplexObject(self):
src = '''
{ "name": "Patrick", "age" : 44, "Employed?" : true, "Female?" : false, "grandchildren":null }
'''
obj = json.read(src)
self.assertEqual({"name":"Patrick","age":44,"Employed?":True,"Female?":False,"grandchildren":None}, obj)
def testReadLongArray(self):
src = '''[ "used",
"abused",
"confused",
true, false, null,
1,
2,
[3, 4, 5]]
'''
obj = json.read(src)
self.assertEqual(["used","abused","confused", True, False, None,
1,2,[3,4,5]], obj)
def testReadIncompleteArray(self):
self.assertRaises(json.ReadException, self.doReadIncompleteArray)
def doReadIncompleteArray(self):
json.read('[')
def testReadComplexArray(self):
src = '''
[
{ "name": "Patrick", "age" : 44,
"Employed?" : true, "Female?" : false,
"grandchildren":null },
"used",
"abused",
"confused",
1,
2,
[3, 4, 5]
]
'''
obj = json.read(src)
self.assertEqual([{"name":"Patrick","age":44,"Employed?":True,"Female?":False,"grandchildren":None},
"used","abused","confused",
1,2,[3,4,5]], obj)
def testWriteComplexArray(self):
obj = [{"name":"Patrick","age":44,"Employed?":True,"Female?":False,"grandchildren":None},
"used","abused","confused",
1,2,[3,4,5]]
self.assertEqual('[{"Female?":false,"age":44,"name":"Patrick","grandchildren":null,"Employed?":true},"used","abused","confused",1,2,[3,4,5]]',
_removeWhitespace(json.write(obj)))
def testReadWriteCopies(self):
orig_obj = {'a':' " '}
json_str = json.write(orig_obj)
copy_obj = json.read(json_str)
self.assertEqual(orig_obj, copy_obj)
self.assertEqual(True, orig_obj == copy_obj)
self.assertEqual(False, orig_obj is copy_obj)
def testStringEncoding(self):
s = json.write([1, 2, 3])
self.assertEqual(unicode("[1,2,3]", "utf-8"), _removeWhitespace(s))
def testReadEmptyObjectAtEndOfArray(self):
self.assertEqual(["a","b","c",{}],
json.read('["a","b","c",{}]'))
def testReadEmptyObjectMidArray(self):
self.assertEqual(["a","b",{},"c"],
json.read('["a","b",{},"c"]'))
def testReadClosingObjectBracket(self):
self.assertEqual({"a":[1,2,3]}, json.read('{"a":[1,2,3]}'))
def testAnotherDoubleSlashComment(self):
obj = json.read('[1 , // xzy\n2]')
self.assertEqual(obj, [1, 2])
def testAnotherSlashStarComment(self):
obj = json.read('[1,/* xzy */2]')
self.assertEqual(obj, [1, 2])
def testEmptyObjectInList(self):
obj = json.read('[{}]')
self.assertEqual([{}], obj)
def testObjectInListWithSlashStarComment(self):
obj1 = json.read('[{} /*Comment*/]')
self.assertEqual([{}], obj1)
def testObjectWithEmptyList(self):
obj = json.read('{"test": [] }')
self.assertEqual({"test":[]}, obj)
def testObjectWithNonEmptyList(self):
obj = json.read('{"test": [3, 4, 5] }')
self.assertEqual({"test":[3, 4, 5]}, obj)
def testCommentInObjectWithListValue(self):
obj2 = json.read('{"test": [] /*Comment*/}')
self.assertEqual({"test":[]}, obj2)
def testWriteLong(self):
self.assertEqual("12345678901234567890", json.write(12345678901234567890))
def main():
unittest.main()
if __name__ == '__main__':
main()
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