/bundle/ngx_lua-0.9.2/t/037-gsub.t
Unknown | 575 lines | 466 code | 109 blank | 0 comment | 0 complexity | bd800dd08f4c8217a6695291bff0e4ba MD5 | raw file
Possible License(s): BSD-2-Clause, BSD-3-Clause
- # vim:set ft= ts=4 sw=4 et fdm=marker:
- use lib 'lib';
- use t::TestNginxLua;
- #worker_connections(1014);
- #master_on();
- #workers(2);
- log_level('warn');
- repeat_each(2);
- plan tests => repeat_each() * (blocks() * 2 + 14);
- #no_diff();
- no_long_string();
- run_tests();
- __DATA__
- === TEST 1: sanity
- --- config
- location /re {
- content_by_lua '
- local s, n = ngx.re.gsub("[hello, world]", "[a-z]+", "howdy")
- ngx.say(s)
- ngx.say(n)
- ';
- }
- --- request
- GET /re
- --- response_body
- [howdy, howdy]
- 2
- === TEST 2: trimmed
- --- config
- location /re {
- content_by_lua '
- local s, n = ngx.re.gsub("hello, world", "[a-z]+", "howdy")
- ngx.say(s)
- ngx.say(n)
- ';
- }
- --- request
- GET /re
- --- response_body
- howdy, howdy
- 2
- === TEST 3: not matched
- --- config
- location /re {
- content_by_lua '
- local s, n = ngx.re.gsub("hello, world", "[A-Z]+", "howdy")
- ngx.say(s)
- ngx.say(n)
- ';
- }
- --- request
- GET /re
- --- response_body
- hello, world
- 0
- === TEST 4: replace by function (trimmed)
- --- config
- location /re {
- content_by_lua '
- local f = function (m)
- return "[" .. m[0] .. "," .. m[1] .. "]"
- end
- local s, n = ngx.re.gsub("hello, world", "([a-z])[a-z]+", f)
- ngx.say(s)
- ngx.say(n)
- ';
- }
- --- request
- GET /re
- --- response_body
- [hello,h], [world,w]
- 2
- === TEST 5: replace by function (not trimmed)
- --- config
- location /re {
- content_by_lua '
- local f = function (m)
- return "[" .. m[0] .. "," .. m[1] .. "]"
- end
- local s, n = ngx.re.gsub("{hello, world}", "([a-z])[a-z]+", f)
- ngx.say(s)
- ngx.say(n)
- ';
- }
- --- request
- GET /re
- --- response_body
- {[hello,h], [world,w]}
- 2
- === TEST 6: replace by script (trimmed)
- --- config
- location /re {
- content_by_lua '
- local s, n = ngx.re.gsub("hello, world", "([a-z])[a-z]+", "[$0,$1]")
- ngx.say(s)
- ngx.say(n)
- ';
- }
- --- request
- GET /re
- --- response_body
- [hello,h], [world,w]
- 2
- === TEST 7: replace by script (not trimmed)
- --- config
- location /re {
- content_by_lua '
- local s, n = ngx.re.gsub("{hello, world}", "([a-z])[a-z]+", "[$0,$1]")
- ngx.say(s)
- ngx.say(n)
- ';
- }
- --- request
- GET /re
- --- response_body
- {[hello,h], [world,w]}
- 2
- === TEST 8: set_by_lua
- --- config
- location /re {
- set_by_lua $res '
- local f = function (m)
- return "[" .. m[0] .. "," .. m[1] .. "]"
- end
- local s, n = ngx.re.gsub("{hello, world}", "([a-z])[a-z]+", f)
- return s
- ';
- echo $res;
- }
- --- request
- GET /re
- --- response_body
- {[hello,h], [world,w]}
- === TEST 9: look-behind assertion
- --- config
- location /re {
- content_by_lua '
- local s, n = ngx.re.gsub("{foobarbaz}", "(?<=foo)bar|(?<=bar)baz", "h$0")
- ngx.say(s)
- ngx.say(n)
- ';
- }
- --- request
- GET /re
- --- response_body
- {foohbarhbaz}
- 2
- === TEST 10: gsub with a patch matching an empty substring (string template)
- --- config
- location /re {
- content_by_lua '
- local s, n = ngx.re.gsub("hello", "a|", "b")
- ngx.say("s: ", s)
- ngx.say("n: ", n)
- ';
- }
- --- request
- GET /re
- --- response_body
- s: bhbeblblbob
- n: 6
- --- no_error_log
- [error]
- === TEST 11: gsub with a patch matching an empty substring (string template, empty subj)
- --- config
- location /re {
- content_by_lua '
- local s, n = ngx.re.gsub("", "a|", "b")
- ngx.say("s: ", s)
- ngx.say("n: ", n)
- ';
- }
- --- request
- GET /re
- --- response_body
- s: b
- n: 1
- --- no_error_log
- [error]
- === TEST 12: gsub with a patch matching an empty substring (func)
- --- config
- location /re {
- content_by_lua '
- local s, n = ngx.re.gsub("hello", "a|", function () return "b" end)
- ngx.say("s: ", s)
- ngx.say("n: ", n)
- ';
- }
- --- request
- GET /re
- --- response_body
- s: bhbeblblbob
- n: 6
- --- no_error_log
- [error]
- === TEST 13: gsub with a patch matching an empty substring (func, empty subj)
- --- config
- location /re {
- content_by_lua '
- local s, n = ngx.re.gsub("", "a|", function () return "b" end)
- ngx.say("s: ", s)
- ngx.say("n: ", n)
- ';
- }
- --- request
- GET /re
- --- response_body
- s: b
- n: 1
- --- no_error_log
- [error]
- === TEST 14: big subject string exceeding the luabuf chunk size (with trailing unmatched data, func repl)
- --- config
- location /re {
- content_by_lua '
- local subj = string.rep("a", 8000)
- .. string.rep("b", 1000)
- .. string.rep("a", 8000)
- .. string.rep("b", 1000)
- .. "aaa"
- local function repl(m)
- return string.rep("c", string.len(m[0]))
- end
- local s, n = ngx.re.gsub(subj, "b+", repl)
- ngx.say(s)
- ngx.say(n)
- ';
- }
- --- request
- GET /re
- --- response_body eval
- ("a" x 8000) . ("c" x 1000) . ("a" x 8000) . ("c" x 1000)
- . "aaa
- 2
- "
- --- no_error_log
- [error]
- === TEST 15: big subject string exceeding the luabuf chunk size (without trailing unmatched data, func repl)
- --- config
- location /re {
- content_by_lua '
- local subj = string.rep("a", 8000)
- .. string.rep("b", 1000)
- .. string.rep("a", 8000)
- .. string.rep("b", 1000)
- local function repl(m)
- return string.rep("c", string.len(m[0]))
- end
- local s, n = ngx.re.gsub(subj, "b+", repl)
- ngx.say(s)
- ngx.say(n)
- ';
- }
- --- request
- GET /re
- --- response_body eval
- ("a" x 8000) . ("c" x 1000) . ("a" x 8000) . ("c" x 1000)
- . "\n2\n"
- --- no_error_log
- [error]
- === TEST 16: big subject string exceeding the luabuf chunk size (with trailing unmatched data, str repl)
- --- config
- location /re {
- content_by_lua '
- local subj = string.rep("a", 8000)
- .. string.rep("b", 1000)
- .. string.rep("a", 8000)
- .. string.rep("b", 1000)
- .. "aaa"
- local s, n = ngx.re.gsub(subj, "b(b+)(b)", "$1 $2")
- ngx.say(s)
- ngx.say(n)
- ';
- }
- --- request
- GET /re
- --- response_body eval
- ("a" x 8000) . ("b" x 998) . " b" . ("a" x 8000) . ("b" x 998) . " baaa
- 2
- "
- --- no_error_log
- [error]
- === TEST 17: big subject string exceeding the luabuf chunk size (without trailing unmatched data, str repl)
- --- config
- location /re {
- content_by_lua '
- local subj = string.rep("a", 8000)
- .. string.rep("b", 1000)
- .. string.rep("a", 8000)
- .. string.rep("b", 1000)
- local s, n = ngx.re.gsub(subj, "b(b+)(b)", "$1 $2")
- ngx.say(s)
- ngx.say(n)
- ';
- }
- --- request
- GET /re
- --- response_body eval
- ("a" x 8000) . ("b" x 998) . " b" . ("a" x 8000) . ("b" x 998) . " b\n2\n"
- --- no_error_log
- [error]
- === TEST 18: named pattern repl w/ callback
- --- config
- location /re {
- content_by_lua '
- local repl = function (m)
- return "[" .. m[0] .. "," .. m["first"] .. "]"
- end
- local s, n = ngx.re.gsub("hello, world", "(?<first>[a-z])[a-z]+", repl)
- ngx.say(s)
- ngx.say(n)
- ';
- }
- --- request
- GET /re
- --- response_body
- [hello,h], [world,w]
- 2
- === TEST 19: $0 without parens
- --- config
- location /re {
- content_by_lua '
- local s, n = ngx.re.gsub("a b c d", [[\w]], "[$0]")
- ngx.say(s)
- ngx.say(n)
- ';
- }
- --- request
- GET /re
- --- response_body
- [a] [b] [c] [d]
- 4
- --- no_error_log
- [error]
- === TEST 20: bad UTF-8
- --- config
- location = /t {
- content_by_lua '
- local target = "你好"
- local regex = "你好"
- -- Note the D here
- local s, n, err = ngx.re.gsub(string.sub(target, 1, 4), regex, "", "u")
- if s then
- ngx.say(s, ": ", n)
- else
- ngx.say("error: ", err)
- end
- ';
- }
- --- request
- GET /t
- --- response_body_like chop
- error: pcre_exec\(\) failed: -10
- --- no_error_log
- [error]
- === TEST 21: UTF-8 mode without UTF-8 sequence checks
- --- config
- location /re {
- content_by_lua '
- local s, n, err = ngx.re.gsub("你好", ".", "a", "U")
- if s then
- ngx.say("s: ", s)
- end
- ';
- }
- --- stap
- probe process("$LIBPCRE_PATH").function("pcre_compile") {
- printf("compile opts: %x\n", $options)
- }
- probe process("$LIBPCRE_PATH").function("pcre_exec") {
- printf("exec opts: %x\n", $options)
- }
- --- stap_out
- compile opts: 800
- exec opts: 2000
- exec opts: 2000
- exec opts: 2000
- --- request
- GET /re
- --- response_body
- s: aa
- --- no_error_log
- [error]
- === TEST 22: UTF-8 mode with UTF-8 sequence checks
- --- config
- location /re {
- content_by_lua '
- local s, n, err = ngx.re.gsub("你好", ".", "a", "u")
- if s then
- ngx.say("s: ", s)
- end
- ';
- }
- --- stap
- probe process("$LIBPCRE_PATH").function("pcre_compile") {
- printf("compile opts: %x\n", $options)
- }
- probe process("$LIBPCRE_PATH").function("pcre_exec") {
- printf("exec opts: %x\n", $options)
- }
- --- stap_out
- compile opts: 800
- exec opts: 0
- exec opts: 0
- exec opts: 0
- --- request
- GET /re
- --- response_body
- s: aa
- --- no_error_log
- [error]
- === TEST 23: just hit match limit
- --- http_config
- lua_regex_match_limit 5600;
- --- config
- location /re {
- content_by_lua_file html/a.lua;
- }
- --- user_files
- >>> a.lua
- local re = [==[(?i:([\s'\"`´’‘\(\)]*)?([\d\w]+)([\s'\"`´’‘\(\)]*)?(?:=|<=>|r?like|sounds\s+like|regexp)([\s'\"`´’‘\(\)]*)?\2|([\s'\"`´’‘\(\)]*)?([\d\w]+)([\s'\"`´’‘\(\)]*)?(?:!=|<=|>=|<>|<|>|\^|is\s+not|not\s+like|not\s+regexp)([\s'\"`´’‘\(\)]*)?(?!\6)([\d\w]+))]==]
- s = string.rep([[ABCDEFG]], 10)
- local start = ngx.now()
- local res, cnt, err = ngx.re.gsub(s, re, "", "o")
- --[[
- ngx.update_time()
- local elapsed = ngx.now() - start
- ngx.say(elapsed, " sec elapsed.")
- ]]
- if err then
- ngx.say("error: ", err)
- return
- end
- ngx.say("gsub: ", cnt)
- --- request
- GET /re
- --- response_body
- error: pcre_exec() failed: -8
- === TEST 24: just not hit match limit
- --- http_config
- lua_regex_match_limit 5700;
- --- config
- location /re {
- content_by_lua_file html/a.lua;
- }
- --- user_files
- >>> a.lua
- local re = [==[(?i:([\s'\"`´’‘\(\)]*)?([\d\w]+)([\s'\"`´’‘\(\)]*)?(?:=|<=>|r?like|sounds\s+like|regexp)([\s'\"`´’‘\(\)]*)?\2|([\s'\"`´’‘\(\)]*)?([\d\w]+)([\s'\"`´’‘\(\)]*)?(?:!=|<=|>=|<>|<|>|\^|is\s+not|not\s+like|not\s+regexp)([\s'\"`´’‘\(\)]*)?(?!\6)([\d\w]+))]==]
- local s = string.rep([[ABCDEFG]], 10)
- local start = ngx.now()
- local res, cnt, err = ngx.re.gsub(s, re, "", "o")
- --[[
- ngx.update_time()
- local elapsed = ngx.now() - start
- ngx.say(elapsed, " sec elapsed.")
- ]]
- if err then
- ngx.say("error: ", err)
- return
- end
- ngx.say("gsub: ", cnt)
- --- request
- GET /re
- --- response_body
- gsub: 0
- --- timeout: 10