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
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
|
# vim:set ft= ts=4 sw=4 et fdm=marker:
use lib '.';
use t::TestCore::Stream;
#worker_connections(1014);
#master_process_enabled(1);
#log_level('warn');
repeat_each(2);
plan tests => repeat_each() * (blocks() * 3 + 9);
#no_diff();
no_long_string();
check_accum_error_log();
run_tests();
__DATA__
=== TEST 1: matched, no submatch, no jit compile, no regex cache
--- stream_server_config
content_by_lua_block {
local m1, m2
local gmatch = ngx.re.gmatch
for _ = 1, 200 do
local iter = gmatch("hello, world", [[\w+]])
m1 = iter()
m2 = iter()
end
ngx.say("matched: ", m1[0])
ngx.say("matched: ", m2[0])
}
--- stream_response
matched: hello
matched: world
--- error_log eval
qr/\[TRACE\s+\d+ content_by_lua\(nginx\.conf:\d+\):4 loop\]/
--- no_error_log
[error]
=== TEST 2: matched, no submatch, jit compile, regex cache
--- stream_server_config
content_by_lua_block {
local m1, m2
local gmatch = ngx.re.gmatch
for _ = 1, 200 do
local iter = gmatch("hello, world", [[\w+]], "jo")
m1 = iter()
m2 = iter()
end
ngx.say("matched: ", m1[0])
ngx.say("matched: ", m2[0])
}
--- stream_response
matched: hello
matched: world
--- error_log eval
qr/\[TRACE\s+\d+ content_by_lua\(nginx\.conf:\d+\):4 loop\]/
--- no_error_log
[error]
=== TEST 3: not matched, no submatch, jit compile, regex cache
--- stream_server_config
content_by_lua_block {
local m, err
local gmatch = ngx.re.gmatch
for _ = 1, 200 do
local iter = gmatch("hello, world", "[abc]+", "jo")
m, err = iter()
if err then
ngx.log(ngx.ERR, "failed: ", err)
return
end
end
if not m then
ngx.say("no match")
return
end
}
--- stream_response
no match
--- error_log eval
qr/\[TRACE\s+\d+ content_by_lua\(nginx\.conf:\d+\):4 loop\]/
--- no_error_log
[error]
=== TEST 4: not matched, no submatch, no jit compile, no regex cache
--- stream_server_config
content_by_lua_block {
local m, err
local gmatch = ngx.re.gmatch
for _ = 1, 200 do
local iter = gmatch("hello, world", "[abc]+")
m, err = iter()
if err then
ngx.log(ngx.ERR, "failed: ", err)
return
end
end
if not m then
ngx.say("no match")
return
end
}
--- stream_response
no match
--- error_log eval
qr/\[TRACE\s+\d+ content_by_lua\(nginx\.conf:\d+\):4 loop\]/
--- no_error_log
[error]
=== TEST 5: submatches, matched, no regex cache
--- stream_server_config
content_by_lua_block {
local m1, m2
local gmatch = ngx.re.gmatch
for _ = 1, 200 do
local iter = gmatch("hello, world", [[(\w)(\w+)]])
m1 = iter()
m2 = iter()
end
ngx.say("matched: ", m1[0])
ngx.say("$1: ", m1[1])
ngx.say("$2: ", m1[2])
ngx.say("$3: ", m1[3])
ngx.say("matched: ", m2[0])
ngx.say("$1: ", m2[1])
ngx.say("$2: ", m2[2])
ngx.say("$3: ", m2[3])
}
--- stream_response
matched: hello
$1: h
$2: ello
$3: nil
matched: world
$1: w
$2: orld
$3: nil
--- no_error_log
[error]
=== TEST 6: submatches, matched, with regex cache
--- stream_server_config
content_by_lua_block {
local m1, m2
local gmatch = ngx.re.gmatch
for _ = 1, 200 do
local iter = gmatch("hello, world", [[(\w)(\w+)]], "jo")
m1 = iter()
m2 = iter()
end
ngx.say("matched: ", m1[0])
ngx.say("$1: ", m1[1])
ngx.say("$2: ", m1[2])
ngx.say("$3: ", m1[3])
ngx.say("matched: ", m2[0])
ngx.say("$1: ", m2[1])
ngx.say("$2: ", m2[2])
ngx.say("$3: ", m2[3])
}
--- stream_response
matched: hello
$1: h
$2: ello
$3: nil
matched: world
$1: w
$2: orld
$3: nil
--- error_log eval
qr/\[TRACE\s+\d+\s+/
--- no_error_log
[error]
=== TEST 7: named submatches
--- stream_server_config
content_by_lua_block {
local m1, m2
local gmatch = ngx.re.gmatch
for _ = 1, 200 do
local iter = gmatch("hello,world", [[(?<first>\w)(\w+)]], "jo")
m1 = iter()
m2 = iter()
end
ngx.say("matched: ", m1[0])
ngx.say("$1: ", m1[1])
ngx.say("$2: ", m1[2])
ngx.say("$first: ", m1.first)
ngx.say("$second: ", m1.second)
ngx.say("matched: ", m2[0])
ngx.say("$1: ", m2[1])
ngx.say("$2: ", m2[2])
ngx.say("$first: ", m2.first)
ngx.say("$second: ", m2.second)
}
--- stream_response
matched: hello
$1: h
$2: ello
$first: h
$second: nil
matched: world
$1: w
$2: orld
$first: w
$second: nil
--- error_log eval
qr/\[TRACE\s+\d+\s+/
--- no_error_log
[error]
=== TEST 8: unmatched captures are false
--- stream_server_config
content_by_lua_block {
local iter = ngx.re.gmatch(
"hello! world!", [[(\w+)(, .+)?(!)]], "jo")
if iter then
while true do
local m = iter()
if not m then
return
end
ngx.say(m[0])
ngx.say(m[1])
ngx.say(m[2])
ngx.say(m[3])
end
end
}
--- stream_response
hello!
hello
false
!
world!
world
false
!
--- error_log eval
qr/\[TRACE\s+\d+\s+/
--- no_error_log
[error]
=== TEST 9: unmatched trailing captures are false
--- stream_server_config
content_by_lua_block {
local iter = ngx.re.gmatch("hello", [[(\w+)(, .+)?(!)?]], "jo")
if iter then
while true do
local m = iter()
if not m then
return
end
ngx.say(m[0])
ngx.say(m[1])
ngx.say(m[2])
ngx.say(m[3])
end
end
}
--- stream_response
hello
hello
false
false
--- error_log eval
qr/\[TRACE\s+\d+\s+/
--- no_error_log
[error]
=== TEST 10: unmatched named captures are false
--- stream_server_config
content_by_lua_block {
local iter = ngx.re.gmatch(
"hello! world!",
[[(?<first>\w+)(?<second>, .+)?(?<third>!)]], "jo")
if iter then
while true do
local m = iter()
if not m then
return
end
ngx.say(m[0])
ngx.say(m[1])
ngx.say(m[2])
ngx.say(m[3])
ngx.say(m.first)
ngx.say(m.second)
ngx.say(m.third)
end
end
}
--- stream_response
hello!
hello
false
!
hello
false
!
world!
world
false
!
world
false
!
--- error_log eval
qr/\[TRACE\s+\d+\s+/
--- no_error_log
[error]
=== TEST 11: subject is not a string type
--- stream_server_config
content_by_lua_block {
local iter = ngx.re.gmatch(120345, "[1-9]+", "jo")
local m1 = iter()
local m2 = iter()
ngx.say(m1[0])
ngx.say(m2[0])
}
--- stream_response
12
345
--- no_error_log
[error]
attempt to get length of local 'subj' (a number value)
=== TEST 12: an exhausted gmatch iterator should return nil
--- stream_server_config
content_by_lua_block {
local iter = ngx.re.gmatch("hello", [[\w+]])
local m = iter()
ngx.say("matched: ", m[0])
ngx.say("matched: ", iter())
ngx.say("matched: ", iter())
}
--- stream_response
matched: hello
matched: nil
matched: nil
--- no_error_log
[error]
=== TEST 13: an error-ed out gmatch iterator should return nil
--- stream_server_config
content_by_lua_block {
local target = "你好"
local regex = "你好"
-- trigger a BADUTF8 error
local iter = ngx.re.gmatch(string.sub(target, 1, 4), regex, "u")
local m, err = iter()
if err then
ngx.say("error: ", err)
local m = iter()
if m then
ngx.say("matched: ", m[0])
else
ngx.say("not matched")
end
return
end
if m then
ngx.say("matched: ", m[0])
else
ngx.say("not matched")
end
}
--- stream_response eval
# PCRE2_ERROR_UTF8_ERR2 (-4)
# PCRE_ERROR_BADUTF8 (-10)
$Test::Nginx::Util::PcreVersion == 2 ?
"error: pcre_exec\(\) failed: -4\nnot matched\n"
:
"error: pcre_exec\(\) failed: -10\nnot matched\n"
--- no_error_log
[error]
=== TEST 14: each gmatch iterator is separate
--- stream_server_config
content_by_lua_block {
local gmatch = ngx.re.gmatch
local iter1 = gmatch("98", [[\d]])
local iter2 = gmatch("12", [[\d]])
local m1 = iter1()
local m2 = iter2()
ngx.say("matched iter1 (1/2): ", m1[0])
ngx.say("matched iter2 (1/2): ", m2[0])
m1 = iter1()
m2 = iter2()
ngx.say("matched iter1 (2/2): ", m1[0])
ngx.say("matched iter2 (2/2): ", m2[0])
}
--- stream_response
matched iter1 (1/2): 9
matched iter2 (1/2): 1
matched iter1 (2/2): 8
matched iter2 (2/2): 2
--- no_error_log
[error]
=== TEST 15: gmatch (empty matched string)
--- stream_server_config
content_by_lua_block {
for m in ngx.re.gmatch("hello", "a|") do
if m then
ngx.say("matched: [", m[0], "]")
else
ngx.say("not matched: ", m)
end
end
}
--- stream_response
matched: []
matched: []
matched: []
matched: []
matched: []
matched: []
|
