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| 1 # Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 # Use of this source code is governed by a BSD-style license that can be |
| 3 # found in the LICENSE file. |
| 4 |
| 5 import gn_helpers |
| 6 import unittest |
| 7 |
| 8 class UnitTest(unittest.TestCase): |
| 9 def test_ToGNString(self): |
| 10 self.assertEqual( |
| 11 gn_helpers.ToGNString([1, 'two', [ '"thr$\\', True, False, [] ]]), |
| 12 '[ 1, "two", [ "\\"thr\\$\\\\", true, false, [ ] ] ]') |
| 13 |
| 14 def test_UnescapeGNString(self): |
| 15 # Backslash followed by a \, $, or " means the folling character without |
| 16 # the special meaning. Backslash followed by everything else is a literal. |
| 17 self.assertEqual( |
| 18 gn_helpers.UnescapeGNString('\\as\\$\\\\asd\\"'), |
| 19 '\\as$\\asd"') |
| 20 |
| 21 def test_FromGNString(self): |
| 22 self.assertEqual( |
| 23 gn_helpers.FromGNString('[1, -20, true, false,["as\\"", []]]'), |
| 24 [ 1, -20, True, False, [ 'as"', [] ] ]) |
| 25 |
| 26 with self.assertRaises(gn_helpers.GNException): |
| 27 parser = gn_helpers.GNValueParser('123 456') |
| 28 parser.Parse() |
| 29 |
| 30 def test_ParseNumber(self): |
| 31 parser = gn_helpers.GNValueParser('123') |
| 32 self.assertEqual(parser.ParseNumber(), 123) |
| 33 |
| 34 with self.assertRaises(gn_helpers.GNException): |
| 35 parser = gn_helpers.GNValueParser('') |
| 36 parser.ParseNumber() |
| 37 with self.assertRaises(gn_helpers.GNException): |
| 38 parser = gn_helpers.GNValueParser('a123') |
| 39 parser.ParseNumber() |
| 40 |
| 41 def test_ParseString(self): |
| 42 parser = gn_helpers.GNValueParser('"asdf"') |
| 43 self.assertEqual(parser.ParseString(), 'asdf') |
| 44 |
| 45 with self.assertRaises(gn_helpers.GNException): |
| 46 parser = gn_helpers.GNValueParser('') # Empty. |
| 47 parser.ParseString() |
| 48 with self.assertRaises(gn_helpers.GNException): |
| 49 parser = gn_helpers.GNValueParser('asdf') # Unquoted. |
| 50 parser.ParseString() |
| 51 with self.assertRaises(gn_helpers.GNException): |
| 52 parser = gn_helpers.GNValueParser('"trailing') # Unterminated. |
| 53 parser.ParseString() |
| 54 |
| 55 def test_ParseList(self): |
| 56 parser = gn_helpers.GNValueParser('[1,]') # Optional end comma OK. |
| 57 self.assertEqual(parser.ParseList(), [ 1 ]) |
| 58 |
| 59 with self.assertRaises(gn_helpers.GNException): |
| 60 parser = gn_helpers.GNValueParser('') # Empty. |
| 61 parser.ParseList() |
| 62 with self.assertRaises(gn_helpers.GNException): |
| 63 parser = gn_helpers.GNValueParser('asdf') # No []. |
| 64 parser.ParseList() |
| 65 with self.assertRaises(gn_helpers.GNException): |
| 66 parser = gn_helpers.GNValueParser('[1, 2') # Unterminated |
| 67 parser.ParseList() |
| 68 with self.assertRaises(gn_helpers.GNException): |
| 69 parser = gn_helpers.GNValueParser('[1 2]') # No separating comma. |
| 70 parser.ParseList() |
| 71 |
| 72 if __name__ == '__main__': |
| 73 unittest.main() |
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