| 1 | #!/usr/bin/env python2
|
| 2 | """
|
| 3 | match_test.py: Tests for match.py
|
| 4 | """
|
| 5 | from __future__ import print_function
|
| 6 |
|
| 7 | import unittest
|
| 8 |
|
| 9 | from _devbuild.gen.id_kind_asdl import Id, Id_str
|
| 10 | from mycpp.mylib import log
|
| 11 | from frontend import match # module under test
|
| 12 |
|
| 13 |
|
| 14 | def _PrintTokens(lex):
|
| 15 | for id_, val in lex.Tokens():
|
| 16 | log(' %s %r', Id_str(id_), val)
|
| 17 | if id_ == Id.Eol_Tok:
|
| 18 | break
|
| 19 |
|
| 20 |
|
| 21 | class MatchTest(unittest.TestCase):
|
| 22 |
|
| 23 | def testShouldHijack(self):
|
| 24 | self.assertEqual(False, match.ShouldHijack('# comment\n[line 2]'))
|
| 25 | self.assertEqual(False, match.ShouldHijack('#!/usr/bin/python\n'))
|
| 26 | self.assertEqual(False, match.ShouldHijack(''))
|
| 27 | self.assertEqual(False, match.ShouldHijack('\n'))
|
| 28 |
|
| 29 | self.assertEqual(True, match.ShouldHijack('#!/usr/bin/env bash\n'))
|
| 30 |
|
| 31 | self.assertEqual(True, match.ShouldHijack('#!/bin/bash\n[line 2]'))
|
| 32 | self.assertEqual(True, match.ShouldHijack('#!/bin/bash -e\n[line 2]'))
|
| 33 | self.assertEqual(True, match.ShouldHijack('#!/bin/sh\n[line 2]\n'))
|
| 34 | self.assertEqual(True, match.ShouldHijack('#!/bin/sh -e\n[line 2]\n'))
|
| 35 |
|
| 36 | # Unlikely but OK
|
| 37 | self.assertEqual(True, match.ShouldHijack('#!/usr/bin/env sh\n'))
|
| 38 |
|
| 39 | # fastlex bug: should not allow \0
|
| 40 | self.assertEqual(False, match.ShouldHijack('#!/usr/bin/env \0 sh\n'))
|
| 41 |
|
| 42 | def testBraceRangeLexer(self):
|
| 43 | lex = match.BraceRangeLexer('1..3')
|
| 44 | _PrintTokens(lex)
|
| 45 |
|
| 46 | def testJ8Lexer(self):
|
| 47 | cases = [
|
| 48 | '00',
|
| 49 | '[]',
|
| 50 | '[3.14, 4, true]',
|
| 51 | 'truez',
|
| 52 | 'false\t',
|
| 53 | 'bad',
|
| 54 | ]
|
| 55 |
|
| 56 | for s in cases:
|
| 57 | log('---')
|
| 58 | log('J8 CASE %r', s)
|
| 59 | lex = match.SimpleLexer(match.MatchJ8Token, s)
|
| 60 | _PrintTokens(lex)
|
| 61 |
|
| 62 | def testJ8LinesLexer(self):
|
| 63 | cases = [
|
| 64 | ' "hello"',
|
| 65 | " u'hi",
|
| 66 | " b'hi",
|
| 67 | " 'hi",
|
| 68 | ' multiple words ',
|
| 69 | ]
|
| 70 |
|
| 71 | for s in cases:
|
| 72 | log('---')
|
| 73 | log('J8 LINES CASE %r', s)
|
| 74 | lex = match.SimpleLexer(match.MatchJ8LinesToken, s)
|
| 75 | _PrintTokens(lex)
|
| 76 |
|
| 77 | def testJ8StrLexer(self):
|
| 78 | cases = [
|
| 79 | '"hi"',
|
| 80 | # Newlines in strings are control chars, not accepted
|
| 81 | '"hi\n"',
|
| 82 | '"hi\\n"',
|
| 83 | r'"\yff \xff \u1234 \u{123456} \\ \" "',
|
| 84 |
|
| 85 | # This points at \ as Id.Unknown_Tok, which I suppose is OK
|
| 86 | r'"\a \z \/ \b "',
|
| 87 | ]
|
| 88 |
|
| 89 | for s in cases:
|
| 90 | log('---')
|
| 91 | log('J8 STR CASE %r', s)
|
| 92 | lex = match.SimpleLexer(match.MatchJ8StrToken, s)
|
| 93 | _PrintTokens(lex)
|
| 94 |
|
| 95 | def testLooksLike(self):
|
| 96 | INTS = [
|
| 97 | (False, ''),
|
| 98 | (False, 'foo'),
|
| 99 | (True, '3'),
|
| 100 | (True, '-3'),
|
| 101 | (False, '-'),
|
| 102 | (False, '.'),
|
| 103 | (True, '\t12 '),
|
| 104 | (True, '\t-12 '),
|
| 105 | (False, ' - 12 '),
|
| 106 | ]
|
| 107 |
|
| 108 | MORE_INTS = [
|
| 109 | (True, ' 3_000 '),
|
| 110 | ]
|
| 111 |
|
| 112 | for expected, s in INTS + MORE_INTS:
|
| 113 | self.assertEqual(expected, match.LooksLikeInteger(s))
|
| 114 |
|
| 115 | FLOATS = [
|
| 116 | (True, '3.0'),
|
| 117 | (True, '-3.0'),
|
| 118 | (True, '\t3.0 '),
|
| 119 | (True, '\t-3.0 '),
|
| 120 | (False, ' - 3.0 '),
|
| 121 | ]
|
| 122 |
|
| 123 | for expected, s in INTS + FLOATS: # Use BOTH test cases
|
| 124 | self.assertEqual(expected, match.LooksLikeFloat(s), s)
|
| 125 |
|
| 126 |
|
| 127 | if __name__ == '__main__':
|
| 128 | unittest.main()
|