v/vlib/regex/regex_test.v

500 lines
14 KiB
V
Raw Blame History

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

import regex
/******************************************************************************
*
* Test section
*
******************************************************************************/
struct TestItem {
src string
q string
s int
e int
}
const(
match_test_suite = [
// base OR
TestItem{"a",r"a|b",0,1},
TestItem{"a",r"b|a",0,1},
TestItem{"b",r"a|b",0,1},
TestItem{"b",r"b|a",0,1},
TestItem{"c",r"b|a",-1,0},
// test base
TestItem{"[ciao]",r"(.)ciao(.)",0,6},
TestItem{"[ciao] da me",r"(.)ciao(.)",0,6},
// positive
TestItem{"this is a good.",r"this",0,4},
TestItem{"this is a good.",r"good",10,14},
TestItem{"this is a good.",r"go+d",10,14},
TestItem{"this is a good.",r"g[oae]+d",10,14},
TestItem{"this is a goed.",r"g[oae]+d",10,14},
TestItem{"this is a good.",r"g[oae]*d",10,14},
TestItem{"this is a goaezd.",r"g[ea-cm-z]*d",10,16},
TestItem{"this is a good.",r"this (\w+) a",0,9},
TestItem{"this is a good.",r"this( \w+){2} g",0,11},
TestItem{"this is a good.",r"( ?\w+){,1}",0,4},
TestItem{"this is a good.",r"( ?\w+)+",0,14},
TestItem{"this is a good.",r"this( \w+)+",0,14},
TestItem{"this is a good sample.",r"( ?\w+){,2}",0,7},
TestItem{"this is a good sample.",r"( ?\w+){,3}",0,9},
TestItem{"this is a good sample.",r"( ?\w+){,4}",0,14},
TestItem{"this is a good sample.",r"( ?\w+){,5}",0,21},
TestItem{"this is a good sample.",r"( ?\w+){2,3}",0,9},
TestItem{"this is a good sample.",r"(\s?\w+){2,3}",0,9},
TestItem{"this these those.",r"(th[ei]se?\s|\.)+",0,11},
TestItem{"this these those ",r"(th[eio]se? ?)+",0,17},
TestItem{"this these those ",r"(th[eio]se? )+",0,17},
TestItem{"this,these,those. over",r"(th[eio]se?[,. ])+",0,17},
TestItem{"soday,this,these,those. over",r".+(th[eio]se?[,. ])+",0,23},
TestItem{"cpapaz",r"(c(pa)+z)",0,6},
TestItem{"this is a cpapaz over",r"(c(pa)+z)",10,16},
TestItem{"this is a cpapapez over",r"(c(p[ae])+z)",10,18},
TestItem{"test@post.pip.com",r"[a-z0-9_]+@([a-z0-9_]+\.?)+",0,17},
TestItem{"test1@post.pip.com, pera",r"[\w]+@([\w]+\.)+\w+",0,18},
TestItem{"pippo@pera.com ",r"[a-z0-9_]+@([a-z0-9_]+\.?)+",0,14},
TestItem{"adce aabe",r"(a(ab)+)|(a(dc)+)e",0,4},
TestItem{"zadce aabe",r"(a(ab)+)|(a(dc)+)e",1,5},
TestItem{"abbz accz addz.",r"c|(d)|e|(ab+)",0,3},
TestItem{"this those these ciao",r"((t[hieo]+se?)\s*)+",0,17},
TestItem{"this ciao",r"((t[hieo]+se?)\s*)+",0,5},
TestItem{"this cpapaz adce aabe",r"(c(pa)+z)(\s[\a]+){2}",5,21},
TestItem{"1234this cpapaz adce aabe",r"(c(pa)+z)(\s[\a]+){2}$",9,25},
TestItem{"this cpapaz adce aabe third",r"(c(pa)+z)(\s[\a]+){2}",5,21},
TestItem{"123cpapaz ole. pippo",r"(c(pa)+z)(\s+\a+[\.,]?)+",3,20},
TestItem{"this is a good sample.",r".*i(\w)+",0,4},
TestItem{"soday,this,these,those. over",r".*,(th[eio]se?[,. ])+",0,23},
TestItem{"soday,this,these,thesa.thesi over",r".*,(th[ei]se?[,. ])+(thes[ai][,. ])+",0,29},
TestItem{"cpapaz ole. pippo,",r".*(c(pa)+z)(\s+\a+[\.,]?)+",0,18},
TestItem{"cpapaz ole. pippo",r"(c(pa)+z)(\s+\a+[\.,]?)+",0,17},
TestItem{"cpapaz ole. pippo, 852",r".*(c(pa)+z)(\s+\a+[\.,]?)+",0,18},
TestItem{"123cpapaz ole. pippo",r".*(c(pa)+z)(\s+\a+[\.,]?)+",0,20},
TestItem{"...cpapaz ole. pippo",r".*(c(pa)+z)(\s+\a+[\.,]?)+",0,20},
TestItem{"cpapaz ole. pippo,",r".*c.+ole.*pi",0,14},
TestItem{"cpapaz ole. pipipo,",r".*c.+ole.*p([ip])+o",0,18},
TestItem{"cpapaz ole. pipipo",r"^.*c.+ol?e.*p([ip])+o$",0,18},
TestItem{"abbb",r"ab{2,3}?",0,3},
TestItem{" pippo pera",r"\s(.*)pe(.*)",0,11},
TestItem{" abb",r"\s(.*)",0,4},
TestItem{"/home/us_er/pippo/info-01.txt", r"(/?[-\w_]+)*\.txt$",0,29}
// negative
TestItem{"zthis ciao",r"((t[hieo]+se?)\s*)+",-1,0},
TestItem{"this is a good.",r"thes",-1,0},
TestItem{"test1post.pip.com, pera",r"[\w]+@([\w]+\.)+\w+",-1,0},
TestItem{"this cpapaz adce",r"(c(pa)+z)(\s[\a]+){2}",-1,0},
TestItem{"this cpapaz adce aabe third",r"(c(pa)+z)(\s[\a]+){2}$",-1,0},
TestItem{"1234this cpapaz adce aabe ter",r"(c(pa)+z)(\s[\a]+){2}$",-1,0},
TestItem{"cpapaz ole. pipipo,",r"^.*c.+ol?e.*p([ip])+o$",-1,0},
TestItem{"/home/us_er/pippo/info-01.jpeg", r"(/?[-\w_]+)*\.txt$",-1,0}
// check unicode
TestItem{"this is a test",r".*a [-Ⅵ ]+",0,34},
TestItem{"123 test",r"[-\s]+",3,23},
// new edge cases
TestItem{"12345678", r"[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]",-1,0},
TestItem{"12345678", r"[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]",0,8},
TestItem{"123456789", r"^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]$",0,9}
TestItem{"12345678", r"^\d{8}$",0,8},
TestItem{"12345678", r"^\d{7}$",-1,0},
TestItem{"12345678", r"^\d{9}$",-1,0},
TestItem{"eth", r"(oth)|(eth)",0,3},
TestItem{"et", r"(oth)|(eth)",-1,0},
TestItem{"et", r".*(oth)|(eth)",-1,0},
TestItem{"peoth", r".*(ith)|(eth)",-1,0},
TestItem{"poth", r"(eth)|(oth)",1,4},
TestItem{"poth", r"(oth)|(eth)",1,4},
TestItem{"poth", r".(oth)|(eth)$",0,4},
TestItem{"poth", r"^.(oth)|(eth)$",0,4},
TestItem{"poth", r"^\w+$",0,4},
// test dot_char
TestItem{"8-11 l: qllllqllklhlvtl", r"^(\d+)-(\d+) ([a-z]): (.*)$",0,23},
TestItem{"accccb deer", r"^a(.*)b d(.+)r",0,11},
TestItem{"accccb deer", r"^a(.*)b d(.+)",0,11},
TestItem{"accccb deer", r"^(.*)$",0,11},
TestItem{"accccb deer", r"^a(.*)b d(.+)p",-1,0},
TestItem{"##.#....#.##.####...#.##", r".{18}[.#]",0,19},
TestItem{"#.#......##.#..#..##........##....###...##...######.......#.....#..#......#...#........###.#..#.", r'.*#[.#]{4}##[.#]{4}##[.#]{4}###',0,49},
// test bcksls chars
TestItem{"[ an s. s! ]( wi4ki:something )", r"\[.*\]\( *(\w*:*\w+) *\)",0,31},
TestItem{"[ an s. s! ](wiki:something)", r"\[.*\]\( *(\w*:*\w+) *\)",0,28},
// Crazywulf tests (?:^|[()])(\d+)(*)(\d+)(?:$|[()])
TestItem{"1*1", r"(\d+)([*])(\d+)",0,3},
TestItem{"+1*1", r"^(\d+)([*])(\d+)",-1,0},
TestItem{"*1*1", r"(?:^|[*])(\d+)([*])(\d+)",0,4},
TestItem{"*1*1", r"(?:^|[*()])(\d+)([*])(\d+)",0,4},
TestItem{")1*1", r"(?:^|[*()])(\d+)([*])(\d+)",0,4},
TestItem{"(1*1", r"(?:^|[*()])(\d+)([*])(\d+)",0,4},
TestItem{"*1*1(", r"(?:^|[*()])(\d+)([*])(\d+)(?:$|[*()])",0,5},
TestItem{" 1*1(", r"(?:^|[*()])(\d+)([*])(\d+)(?:$|[*()])",-1,0},
TestItem{"1*1 ", r"(?:^|[*()])(\d+)([*])(\d+)(?:$|[*()])",-1,0},
// particular groups
TestItem{"ababababac", r"ab(.*)(ac)",0,10},
]
)
struct TestItemRe {
src string
q string
rep string
r string
}
const (
match_test_suite_replace = [
// replace tests
TestItemRe{
"oggi pibao è andato a casa di pbababao ed ha trovato pibabababao",
r"(pi?(ba)+o)",
"CIAO",
"oggi CIAO è andato a casa di CIAO ed ha trovato CIAO"
},
TestItemRe{
"Today is a good day and tomorrow will be for sure.",
r"[Tt]o\w+",
"CIAO",
"CIAO is a good day and CIAO will be for sure."
}
]
)
struct TestItemCGroup {
src string
q string
s int
e int
cg []int // [number of items (3*# item), id_group_0, start_0, end_0, id_group_1, start1, start2,... ]
cgn map[string]int
}
const (
cgroups_test_suite = [
TestItemCGroup{
"http://www.ciao.mondo/hello/pippo12_/pera.html",
r"(?P<format>https?)|(?:ftps?)://(?P<token>[\w_]+[\.|/])+",0,42,
[7, 0, 0, 4, 1, 7, 11, 1, 11, 16, 1, 16, 22, 1, 22, 28, 1, 28, 37, 1, 37, 42],
{'format':int(0),'token':1}
},
TestItemCGroup{
"http://www.ciao.mondo/hello/pippo12_/pera.html",
r"(?P<format>https?)|(?P<format>ftps?)://(?P<token>[\w_]+.)+",0,46,
[8, 0, 0, 4, 1, 7, 11, 1, 11, 16, 1, 16, 22, 1, 22, 28, 1, 28, 37, 1, 37, 42, 1, 42, 46]
//[8, 0, 0, 4, 1, 7, 10, 1, 11, 15, 1, 16, 21, 1, 22, 27, 1, 28, 36, 1, 37, 41, 1, 42, 46],
{'format':int(0),'token':1}
},
TestItemCGroup{
"http://www.ciao.mondo/hello/pippo12_/pera.html",
r"(?P<format>https?)|(?P<format>ftps?)://([\w_]+\.)+",0,16,
[3, 0, 0, 4, 1, 7, 11, 1, 11, 16],
{'format':int(0)}
},
TestItemCGroup{
"acc +13 pippo",
r"(\w+)\s(.)([0-9]+) \w+",0,13,
[0, 3, 4, 5, 5, 7],
map[string]int{}
},
TestItemCGroup{
"acc +13",
r"(\w+)\s(.)([0-9]+)",0,7,
[0, 3, 4, 5, 5, 7],
map[string]int{}
},
TestItemCGroup{
"ababababac",
r"ab(.*)(ac)",0,10,
[2, 8, 8, 10],
map[string]int{}
},
]
)
struct Test_find_all {
src string
q string
res []int // [0,4,5,6...]
res_str []string // ['find0','find1'...]
}
const (
find_all_test_suite = [
Test_find_all{
"abcd 1234 efgh 1234 ghkl1234 ab34546df",
r"\d+",
[5, 9, 15, 19, 24, 28, 31, 36],
['1234', '1234', '1234', '34546']
},
Test_find_all{
"abcd 1234 efgh 1234 ghkl1234 ab34546df",
r"\a+",
[0, 4, 10, 14, 20, 24, 29, 31, 36, 38],
['abcd', 'efgh', 'ghkl', 'ab', 'df']
},
Test_find_all{
"oggi pippo è andato a casa di pluto ed ha trovato pippo",
r"p[iplut]+o",
[5, 10, 31, 36, 51, 56],
['pippo', 'pluto', 'pippo']
},
Test_find_all{
"oggi pibao è andato a casa di pbababao ed ha trovato pibabababao",
r"(pi?(ba)+o)",
[5, 10, 31, 39, 54, 65],
['pibao', 'pbababao', 'pibabababao']
},
Test_find_all{
"Today is a good day and tomorrow will be for sure.",
r"[Tt]o\w+",
[0, 5, 24, 32],
['Today', 'tomorrow']
},
Test_find_all{
"pera\nurl = https://github.com/dario/pig.html\npippo",
r"url *= *https?://[\w./]+",
[5, 44],
['url = https://github.com/dario/pig.html']
},
Test_find_all{
"pera\nurl = https://github.com/dario/pig.html\npippo",
r"url *= *https?://.*"+'\n',
[5, 45],
['url = https://github.com/dario/pig.html\n']
},
Test_find_all{
"#.#......##.#..#..##........##....###...##...######.......#.....#..#......#...#........###.#..#.",
r"#[.#]{4}##[.#]{4}##[.#]{4}###",
[29, 49],
['#....###...##...####']
},
Test_find_all{
"#.#......##.#..#..##........##....###...##...######.......#.....#..#......#...#........###.#..#.",
r".*#[.#]{4}##[.#]{4}##[.#]{4}###",
[0, 49],
['#.#......##.#..#..##........##....###...##...####']
}
]
)
const (
debug = false // true for debug println
)
fn test_regex(){
// check capturing groups
for c,to in cgroups_test_suite {
// debug print
if debug {
println("$c [${to.src}] [q${to.q}] (${to.s}, ${to.e})")
}
mut re := regex.regex_opt(to.q) or {
eprintln('err: $err')
assert false
continue
}
if to.cgn.len > 0 {
re.group_csave_flag = true
//re.group_csave = [-1].repeat(3*20+1)
if debug { println("continuous save")}
} else {
if debug { println("NO continuous save")}
}
start, end := re.match_string(to.src)
mut tmp_str := ""
if start >= 0 && end > start{
tmp_str = to.src[start..end]
}
if start != to.s || end != to.e {
//println("#$c [$to.src] q[$to.q] res[$tmp_str] $start, $end")
eprintln("ERROR!")
//C.printf("ERROR!! res:(%d, %d) refh:(%d, %d)\n",start, end, to.s, to.e)
assert false
continue
}
// check cgroups
if to.cgn.len > 0 {
if re.group_csave.len == 0 || re.group_csave[0] != to.cg[0] {
eprintln("Capturing group len error! found: ${re.group_csave[0]} true ground: ${to.cg[0]}")
assert false
continue
}
// check captured groups
mut ln := re.group_csave[0]*3
for ln > 0 {
if re.group_csave[ln] != to.cg[ln] {
eprintln("Capturing group failed on $ln item!")
assert false
}
ln--
}
// check named captured groups
for k in to.cgn.keys() {
if to.cgn[k] != (re.group_map[k]-1) { // we have -1 because the map not found is 0, in groups we start from 0 and we store using +1
eprintln("Named capturing group error! [$k]")
assert false
continue
}
}
} else {
// check normal captured groups
if re.groups.len != to.cg.len {
assert false
}
for ln:=0; ln < re.groups.len; ln++ {
if re.groups[ln] != to.cg[ln] {
eprintln("Capture group doesn't match:")
eprintln("true ground: [${to.cg}]")
eprintln("elaborated : [${re.groups}]")
assert false
}
}
}
}
// check find_all
for c,to in find_all_test_suite {
// debug print
if debug { println("#$c [$to.src] q[$to.q] ($to.res, $to.res_str)") }
mut re := regex.regex_opt(to.q) or {
eprintln('err: $err')
assert false
continue
}
re.reset()
res := re.find_all(to.src)
if res != to.res {
eprintln('err: find_all !!')
if debug { println("#$c exp: $to.res calculated: $res") }
assert false
}
res_str := re.find_all_str(to.src)
if res_str != to.res_str {
eprintln('err: find_all_str !!')
if debug { println("#$c exp: $to.res_str calculated: $res_str") }
assert false
}
}
// check replace
for c,to in match_test_suite_replace{
// debug print
if debug { println("#$c [$to.src] q[$to.q] $to.r") }
mut re := regex.regex_opt(to.q) or {
eprintln('err: $err')
assert false
continue
}
res := re.replace(to.src,to.rep)
if res != to.r {
eprintln("ERROR: replace.")
assert false
continue
}
}
// check match and find
for c,to in match_test_suite {
// debug print
if debug { println("#$c [$to.src] q[$to.q] $to.s $to.e") }
// test the find
if to.s > 0 {
mut re := regex.regex_opt(to.q) or {
eprintln('err: $err')
assert false
continue
}
// q_str := re.get_query()
// eprintln("Query: $q_str")
start,end := re.find(to.src)
if start != to.s || end != to.e {
err_str := re.get_parse_error_string(start)
eprintln("ERROR : $err_str start: ${start} end: ${end}")
assert false
} else {
//tmp_str := text[start..end]
//println("found in [$start, $end] => [$tmp_str]")
assert true
}
continue
}
// test the match
mut re := regex.new()
//re.debug = true
re.compile_opt(to.q) or {
eprintln('err: $err')
assert false
continue
}
//println("#$c [$to.src] q[$to.q]")
start, end := re.match_string(to.src)
mut tmp_str := ""
if start >= 0 && end > start{
tmp_str = to.src[start..end]
}
if start != to.s || end != to.e {
eprintln("#$c [$to.src] q[$to.q] res[$tmp_str] $start, $end")
eprintln("ERROR!")
//C.printf("ERROR!! res:(%d, %d) refh:(%d, %d)\n",start, end, to.s, to.e)
assert false
continue
}
// rerun to test consistency
tmp_str1 := to.src.clone()
start1, end1 := re.match_string(tmp_str1)
if start1 != start || end1 != end {
eprintln("two run ERROR!!")
assert false
continue
}
}
if debug { println("DONE!") }
}
// test regex_base function
fn test_regex_func(){
query := r"\d\dabcd"
test_str := "78abcd"
mut re, re_err, err_pos := regex.regex_base(query)
if re_err == regex.compile_ok {
start, end := re.match_string(test_str)
assert (start == 0) && (end == 6)
} else {
eprintln("Error in query string in pos ${err_pos}")
eprintln("Error: ${re.get_parse_error_string(re_err)}")
assert false
}
}