1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
# encoding: UTF-8
require 'helper'
class TestToRegexp < Test::Unit::TestCase
def test_000_versus_eval_ascii
str = "/finalis(e)/im"
old_way = eval(str)
new_way = str.to_regexp
assert_equal old_way, new_way
end
def test_000a_versus_eval_utf8
str = "/finalis(é)/im"
old_way = eval(str)
new_way = str.to_regexp
assert_equal old_way, new_way
end
def test_001_utf8
assert_equal 'ë', '/(ë)/'.to_regexp.match('Citroën').captures[0]
end
def test_002_multiline
assert_equal nil, '/foo.*(bar)/'.to_regexp.match("foo\n\nbar")
assert_equal 'bar', '/foo.*(bar)/m'.to_regexp.match("foo\n\nbar").captures[0]
end
def test_003_ignore_case
assert_equal nil, '/(FOO)/'.to_regexp.match('foo')
assert_equal 'foo', '/(FOO)/i'.to_regexp.match('foo').captures[0]
end
def test_004_percentage_r_notation
assert_equal '/', '%r{(/)}'.to_regexp.match('/').captures[0]
end
def test_005_multiline_and_ignore_case
assert_equal 'bar', '/FOO.*(BAR)/mi'.to_regexp.match("foo\n\nbar").captures[0]
end
def test_006_cant_fix_garbled_input
if RUBY_VERSION >= '1.9'
garbled = 'finalisé'.force_encoding('ASCII-8BIT') # like if it was misinterpreted
assert_raises(Encoding::CompatibilityError) do
'/finalis(é)/'.to_regexp.match(garbled)
end
else # not applicable to ruby 1.8
garbled = 'finalisé'
assert_nothing_raised do
'/finalis(é)/'.to_regexp.match(garbled)
end
end
end
def test_007_possible_garbled_input_fix_using_manfreds_gem
if RUBY_VERSION >= '1.9'
require 'ensure/encoding'
garbled = 'finalisé'.force_encoding('ASCII-8BIT') # like if it was misinterpreted
assert_equal 'é', '/finalis(é)/'.to_regexp.match(garbled.ensure_encoding('UTF-8')).captures[0]
else # not applicable to ruby 1.8
garbled = 'finalisé'
assert_equal 'é', '/finalis(é)/'.to_regexp.match(garbled).captures[0]
end
end
def test_008_as_regexp
str = '/finalis(é)/in'
assert_equal ['finalis(é)', ::Regexp::IGNORECASE, 'n'], str.as_regexp
assert_equal Regexp.new(*str.as_regexp), str.to_regexp
end
def test_009_ruby_19_splat
assert_equal nil, 'hi'.to_regexp
end
def test_010_regexp_to_regexp
a = /foo/
assert_equal a, a.to_regexp
end
def test_011_ignore_case_option
assert_equal nil, '/(FOO)/'.to_regexp(:ignore_case => false).match('foo')
assert_equal nil, '/(FOO)/'.to_regexp(:ignore_case => false).match('foo')
assert_equal 'foo', '/(FOO)/'.to_regexp(:ignore_case => true).match('foo').captures[0]
assert_equal 'foo', '/(FOO)/i'.to_regexp(:ignore_case => true).match('foo').captures[0]
end
def test_012_literal_option
assert '/(FOO)/'.to_regexp(:literal => true).match('hello/(FOO)/there')
end
def test_013_combine_literal_and_ignore_case
assert '/(FOO)/'.to_regexp(:literal => true, :ignore_case => true).match('hello/(foo)/there')
# can't use inline options obviously
assert_equal nil, '/(FOO)/i'.to_regexp(:literal => true).match('hello/(foo)/there')
assert '/(FOO)/i'.to_regexp(:literal => true).match('hello/(FOO)/ithere')
end
def test_014_try_convert
if RUBY_VERSION >= '1.9'
assert_equal /foo/i, Regexp.try_convert('/foo/i')
assert_equal //, Regexp.try_convert('//')
end
end
# seen in the wild - from rack-1.2.5/lib/rack/utils.rb - converted to array to preserve order in 1.8.7
ESCAPE_HTML_KEYS = [
"&",
"<",
">",
"'",
'"',
"/"
]
def test_015_union
assert_equal /penzance/, Regexp.union('penzance')
assert_equal /skiing|sledding/, Regexp.union('skiing', 'sledding')
assert_equal /skiing|sledding/, Regexp.union(['skiing', 'sledding'])
assert_equal /(?-mix:dogs)|(?i-mx:cats)/, Regexp.union(/dogs/, /cats/i)
assert_equal /(?-mix:dogs)|(?i-mx:cats)/, Regexp.union('/dogs/', /cats/i)
assert_equal /(?-mix:dogs)|(?i-mx:cats)/, Regexp.union(/dogs/, '/cats/i')
assert_equal %r{&|<|>|'|"|\/}.inspect, Regexp.union(*ESCAPE_HTML_KEYS).inspect
end
def test_016_detect
assert_equal nil, ''.to_regexp(detect: true)
assert_equal //, '//'.to_regexp(detect: true)
assert_equal /foo/, 'foo'.to_regexp(detect: true)
assert_equal %r{foo\\b}, 'foo\b'.to_regexp(detect: true)
assert_equal %r{foo\b}, '/foo\b/'.to_regexp(detect: true)
assert_equal %r{foo\\b/}, 'foo\b/'.to_regexp(detect: true)
assert_equal %r{foo\b}i, '/foo\b/i'.to_regexp(detect: true)
assert_equal %r{foo\\b/i}, 'foo\b/i'.to_regexp(detect: true)
assert_equal /FOO.*(BAR)/mi, '/FOO.*(BAR)/mi'.to_regexp(detect: true)
end
# https://github.com/ruby/ruby/blob/trunk/test/ruby/test_regexp.rb#L474 "test_union2"
def test_mri_union2
assert_equal(/(?!)/, Regexp.union)
assert_equal(/foo/, Regexp.union(/foo/))
assert_equal(/foo/, Regexp.union([/foo/]))
assert_equal(/\t/, Regexp.union("\t"))
assert_equal(/(?-mix:\u3042)|(?-mix:\u3042)/, Regexp.union(/\u3042/, /\u3042/))
assert_equal("\u3041", "\u3041"[Regexp.union(/\u3042/, "\u3041")])
end
# https://github.com/ruby/ruby/blob/trunk/test/ruby/test_regexp.rb#L464 "test_try_convert"
def test_mri_try_convert
assert_equal(/re/, Regexp.try_convert(/re/))
assert_nil(Regexp.try_convert("re"))
o = Object.new
assert_nil(Regexp.try_convert(o))
def o.to_regexp() /foo/ end
assert_equal(/foo/, Regexp.try_convert(o))
end
# https://github.com/jruby/jruby/blob/master/spec/ruby/core/regexp/try_convert_spec.rb#L5
def test_jruby_returns_argument_if_given_regexp
assert_equal /foo/s, Regexp.try_convert(/foo/s)
end
# https://github.com/jruby/jruby/blob/master/spec/ruby/core/regexp/try_convert_spec.rb#L9
def test_jruby_returns_nil_if_given_arg_cant_be_converted
['', 'glark', [], Object.new, :pat].each do |arg|
assert_equal nil, Regexp.try_convert(arg)
end
end
# https://github.com/jruby/jruby/blob/master/test/externals/ruby1.9/uri/test_common.rb#L32
def test_jruby_uri_common_regexp
assert_instance_of Regexp, URI.regexp
assert_instance_of Regexp, URI.regexp(['http'])
assert_equal URI.regexp, URI.regexp
assert_equal 'http://', 'x http:// x'.slice(URI.regexp)
assert_equal 'http://', 'x http:// x'.slice(URI.regexp(['http']))
assert_equal 'http://', 'x http:// x ftp://'.slice(URI.regexp(['http']))
assert_equal nil, 'http://'.slice(URI.regexp([]))
assert_equal nil, ''.slice(URI.regexp)
assert_equal nil, 'xxxx'.slice(URI.regexp)
assert_equal nil, ':'.slice(URI.regexp)
assert_equal 'From:', 'From:'.slice(URI.regexp)
end
# https://github.com/jruby/jruby/blob/master/spec/ruby/core/regexp/union_spec.rb#L14
def test_jruby_quotes_string_arguments
assert_equal /n|\./, Regexp.union("n", ".")
end
end
|
