806 lines
22 KiB
V
806 lines
22 KiB
V
import regex
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import rand
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import strings
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/******************************************************************************
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*
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* Test section
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*
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******************************************************************************/
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struct TestItem {
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src string
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q string
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s int
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e int
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}
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const(
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match_test_suite = [
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// minus in CC
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TestItem{"d.def",r"abc.\.[\w\-]{,100}",-1,0},
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TestItem{"abc12345.asd",r"abc.\.[\w\-]{,100}",-1,4},
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TestItem{"abca.exe",r"abc.\.[\w\-]{,100}",0,8},
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TestItem{"abc2.exe-test_12",r"abc.\.[\w\-]{,100}",0,16},
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TestItem{"abcdefGHK",r"[a-f]+\A+",0,9},
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TestItem{"ab-cd-efGHK",r"[a-f\-g]+\A+",0,11},
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// base OR
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TestItem{"a",r"a|b",0,1},
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TestItem{"a",r"b|a",0,1},
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TestItem{"b",r"a|b",0,1},
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TestItem{"b",r"b|a",0,1},
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TestItem{"c",r"b|a",-1,0},
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// test base
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TestItem{"[ciao]",r"(.)ciao(.)",0,6},
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TestItem{"[ciao] da me",r"(.)ciao(.)",0,6},
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// positive
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TestItem{"this is a good.",r"this",0,4},
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TestItem{"this is a good.",r"good",10,14},
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TestItem{"this is a good.",r"go+d",10,14},
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TestItem{"this is a good.",r"g[oae]+d",10,14},
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TestItem{"this is a goed.",r"g[oae]+d",10,14},
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TestItem{"this is a good.",r"g[oae]*d",10,14},
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TestItem{"this is a goaezd.",r"g[ea-cm-z]*d",10,16},
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TestItem{"this is a good.",r"this (\w+) a",0,9},
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TestItem{"this is a good.",r"this( \w+){2} g",0,11},
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TestItem{"this is a good.",r"( ?\w+){,1}",0,4},
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TestItem{"this is a good.",r"( ?\w+)+",0,14},
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TestItem{"this is a good.",r"this( \w+)+",0,14},
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TestItem{"this is a good sample.",r"( ?\w+){,2}",0,7},
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TestItem{"this is a good sample.",r"( ?\w+){,3}",0,9},
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TestItem{"this is a good sample.",r"( ?\w+){,4}",0,14},
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TestItem{"this is a good sample.",r"( ?\w+){,5}",0,21},
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TestItem{"this is a good sample.",r"( ?\w+){2,3}",0,9},
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TestItem{"this is a good sample.",r"(\s?\w+){2,3}",0,9},
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TestItem{"this these those.",r"(th[ei]se?\s|\.)+",0,11},
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TestItem{"this these those ",r"(th[eio]se? ?)+",0,17},
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TestItem{"this these those ",r"(th[eio]se? )+",0,17},
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TestItem{"this,these,those. over",r"(th[eio]se?[,. ])+",0,17},
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TestItem{"soday,this,these,those. over",r".+(th[eio]se?[,. ])+",0,23},
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TestItem{"cpapaz",r"(c(pa)+z)",0,6},
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TestItem{"this is a cpapaz over",r"(c(pa)+z)",10,16},
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TestItem{"this is a cpapapez over",r"(c(p[ae])+z)",10,18},
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TestItem{"test@post.pip.com",r"[a-z0-9_]+@([a-z0-9_]+\.?)+",0,17},
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TestItem{"test1@post.pip.com, pera",r"[\w]+@([\w]+\.)+\w+",0,18},
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TestItem{"pippo@pera.com ",r"[a-z0-9_]+@([a-z0-9_]+\.?)+",0,14},
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TestItem{"adce aabe",r"(a(ab)+)|(a(dc)+)e",0,4},
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TestItem{"zadce aabe",r"(a(ab)+)|(a(dc)+)e",1,5},
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TestItem{"abbz accz addz.",r"c|(d)|e|(ab+)",0,3},
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TestItem{"this those these ciao",r"((t[hieo]+se?)\s*)+",0,17},
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TestItem{"this ciao",r"((t[hieo]+se?)\s*)+",0,5},
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TestItem{"this cpapaz adce aabe",r"(c(pa)+z)(\s[\a]+){2}",5,21},
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TestItem{"1234this cpapaz adce aabe",r"(c(pa)+z)(\s[\a]+){2}$",9,25},
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TestItem{"this cpapaz adce aabe third",r"(c(pa)+z)(\s[\a]+){2}",5,21},
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TestItem{"123cpapaz ole. pippo",r"(c(pa)+z)(\s+\a+[\.,]?)+",3,20},
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TestItem{"this is a good sample.",r".*i(\w)+",0,4},
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TestItem{"soday,this,these,those. over",r".*,(th[eio]se?[,. ])+",0,23},
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TestItem{"soday,this,these,thesa.thesi over",r".*,(th[ei]se?[,. ])+(thes[ai][,. ])+",0,29},
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TestItem{"cpapaz ole. pippo,",r".*(c(pa)+z)(\s+\a+[\.,]?)+",0,18},
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TestItem{"cpapaz ole. pippo",r"(c(pa)+z)(\s+\a+[\.,]?)+",0,17},
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TestItem{"cpapaz ole. pippo, 852",r".*(c(pa)+z)(\s+\a+[\.,]?)+",0,18},
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TestItem{"123cpapaz ole. pippo",r".*(c(pa)+z)(\s+\a+[\.,]?)+",0,20},
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TestItem{"...cpapaz ole. pippo",r".*(c(pa)+z)(\s+\a+[\.,]?)+",0,20},
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TestItem{"cpapaz ole. pippo,",r".*c.+ole.*pi",0,14},
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TestItem{"cpapaz ole. pipipo,",r".*c.+ole.*p([ip])+o",0,18},
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TestItem{"cpapaz ole. pipipo",r"^.*c.+ol?e.*p([ip])+o$",0,18},
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TestItem{"abbb",r"ab{2,3}?",0,3},
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TestItem{" pippo pera",r"\s(.*)pe(.*)",0,11},
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TestItem{" abb",r"\s(.*)",0,4},
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TestItem{"/home/us_er/pippo/info-01.txt", r"(/?[-\w_]+)*\.txt$",0,29}
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// negative
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TestItem{"zthis ciao",r"((t[hieo]+se?)\s*)+",-1,0},
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TestItem{"this is a good.",r"thes",-1,2},
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TestItem{"test1post.pip.com, pera",r"[\w]+@([\w]+\.)+\w+",-1,9},
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TestItem{"this cpapaz adce",r"(c(pa)+z)(\s[\a]+){2}",-1,0},
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TestItem{"this cpapaz adce aabe third",r"(c(pa)+z)(\s[\a]+){2}$",-1,0},
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TestItem{"1234this cpapaz adce aabe ter",r"(c(pa)+z)(\s[\a]+){2}$",-1,0},
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TestItem{"cpapaz ole. pipipo,",r"^.*c.+ol?e.*p([ip])+o$",-1,0},
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TestItem{"/home/us_er/pippo/info-01.jpeg", r"(/?[-\w_]+)*\.txt$",-1,26}
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// check unicode
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TestItem{"this is a Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ Ⅵ test",r".*a [Ⅰ-Ⅵ ]+",0,34},
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TestItem{"123Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ Ⅵ test",r"[Ⅰ-Ⅴ\s]+",3,23},
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// new edge cases
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TestItem{"12345678", r"[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]",-1,8},
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TestItem{"12345678", r"[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]",0,8},
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TestItem{"123456789", r"^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]$",0,9}
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TestItem{"12345678", r"^\d{8}$",0,8},
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TestItem{"12345678", r"^\d{7}$",-1,0},
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TestItem{"12345678", r"^\d{9}$",-1,8},
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TestItem{"eth", r"(oth)|(eth)",0,3},
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TestItem{"et", r"(oth)|(eth)",-1,2},
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TestItem{"et", r".*(oth)|(eth)",-1,2},
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TestItem{"peoth", r".*(ith)|(eth)",-1,5},
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TestItem{"poth", r"(eth)|(oth)",1,4},
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TestItem{"poth", r"(oth)|(eth)",1,4},
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TestItem{"poth", r".(oth)|(eth)$",0,4},
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TestItem{"poth", r"^.(oth)|(eth)$",0,4},
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TestItem{"poth", r"^\w+$",0,4},
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// test dot_char
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TestItem{"8-11 l: qllllqllklhlvtl", r"^(\d+)-(\d+) ([a-z]): (.*)$",0,23},
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TestItem{"accccb deer", r"^a(.*)b d(.+)r",0,11},
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TestItem{"accccb deer", r"^a(.*)b d(.+)",0,11},
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TestItem{"accccb deer", r"^(.*)$",0,11},
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TestItem{"accccb deer", r"^a(.*)b d(.+)p",-1,11},
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TestItem{"##.#....#.##.####...#.##", r".{18}[.#]",0,19},
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TestItem{"#.#......##.#..#..##........##....###...##...######.......#.....#..#......#...#........###.#..#.", r'.*#[.#]{4}##[.#]{4}##[.#]{4}###',0,49},
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// test bcksls chars
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TestItem{"[ an s. s! ]( wi4ki:something )", r"\[.*\]\( *(\w*:*\w+) *\)",0,31},
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TestItem{"[ an s. s! ](wiki:something)", r"\[.*\]\( *(\w*:*\w+) *\)",0,28},
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TestItem{"p_p", r"\w+",0,3},
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TestItem{"p_é", r"\w+",0,2},
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// Crazywulf tests (?:^|[()])(\d+)(*)(\d+)(?:$|[()])
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TestItem{"1*1", r"(\d+)([*])(\d+)",0,3},
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TestItem{"+1*1", r"^(\d+)([*])(\d+)",-1,0},
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TestItem{"*1*1", r"(?:^|[*])(\d+)([*])(\d+)",0,4},
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TestItem{"*1*1", r"(?:^|[*()])(\d+)([*])(\d+)",0,4},
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TestItem{")1*1", r"(?:^|[*()])(\d+)([*])(\d+)",0,4},
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TestItem{"(1*1", r"(?:^|[*()])(\d+)([*])(\d+)",0,4},
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TestItem{"*1*1(", r"(?:^|[*()])(\d+)([*])(\d+)(?:$|[*()])",0,5},
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TestItem{" 1*1(", r"(?:^|[*()])(\d+)([*])(\d+)(?:$|[*()])",-1,0},
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TestItem{"1*1 ", r"(?:^|[*()])(\d+)([*])(\d+)(?:$|[*()])",-1,0},
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// particular groups
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TestItem{"ababababac", r"ab(.*)(ac)",0,10},
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// backslash on finish string
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TestItem{"a", r"\S+",0,1},
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TestItem{"aaaa", r"\S+",0,4},
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TestItem{"aaaa ", r"\S+",0,4},
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]
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)
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struct TestItemRe {
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src string
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q string
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rep string
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r string
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}
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const (
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match_test_suite_replace = [
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// replace tests
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TestItemRe{
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"oggi pibao è andato a casa di pbababao ed ha trovato pibabababao",
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r"(pi?(ba)+o)",
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"CIAO",
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"oggi CIAO è andato a casa di CIAO ed ha trovato CIAO"
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},
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TestItemRe{
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"Today is a good day and tomorrow will be for sure.",
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r"[Tt]o\w+",
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"CIAO",
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"CIAO is a good day and CIAO will be for sure."
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},
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TestItemRe{
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"Today is a good day and tomorrow will be for sure.",
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r"(a\w) ",
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r"[\0] ",
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"Tod[ay] is a good d[ay] and tomorrow will be for sure."
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},
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TestItemRe{
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"Today is a good day and tomorrow will be for sure.",
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r"(a\w) ",
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r"[\0_\0] ",
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"Tod[ay_ay] is a good d[ay_ay] and tomorrow will be for sure."
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},
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TestItemRe{
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"Today is a good day and tomorrow will be for sure.",
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r"(a\w) ",
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r"[\0\1] ",
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"Tod[ay] is a good d[ay] and tomorrow will be for sure."
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},
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]
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match_test_suite_replace_simple = [
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// replace tests
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TestItemRe{
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"oggi pibao è andato a casa di pbababao ed ha trovato pibabababao",
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r"(pi?(ba)+o)",
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"CIAO",
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"oggi CIAO è andato a casa di CIAO ed ha trovato CIAO"
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},
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TestItemRe{
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"Today is a good day and tomorrow will be for sure.",
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r"[Tt]o\w+",
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"CIAO",
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"CIAO is a good day and CIAO will be for sure."
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},
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]
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)
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struct TestItemCGroup {
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src string
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q string
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s int
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e int
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cg []int // [number of items (3*# item), id_group_0, start_0, end_0, id_group_1, start1, start2,... ]
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cgn map[string]int
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}
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const (
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cgroups_test_suite = [
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TestItemCGroup{
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"http://www.ciao.mondo/hello/pippo12_/pera.html",
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r"(?P<format>https?)|(?:ftps?)://(?P<token>[\w_]+[\.|/])+",0,42,
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[7, 0, 0, 4, 1, 7, 11, 1, 11, 16, 1, 16, 22, 1, 22, 28, 1, 28, 37, 1, 37, 42],
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{'format':int(0),'token':1}
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},
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TestItemCGroup{
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"http://www.ciao.mondo/hello/pippo12_/pera.html",
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r"(?P<format>https?)|(?P<format>ftps?)://(?P<token>[\w_]+.)+",0,46,
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[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]
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//[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],
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{'format':int(0),'token':1}
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},
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TestItemCGroup{
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"http://www.ciao.mondo/hello/pippo12_/pera.html",
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r"(?P<format>https?)|(?P<format>ftps?)://([\w_]+\.)+",0,16,
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[3, 0, 0, 4, 1, 7, 11, 1, 11, 16],
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{'format':int(0)}
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},
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TestItemCGroup{
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"acc +13 pippo",
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r"(\w+)\s(.)([0-9]+) \w+",0,13,
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[0, 3, 4, 5, 5, 7],
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map[string]int{}
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},
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TestItemCGroup{
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"acc +13",
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r"(\w+)\s(.)([0-9]+)",0,7,
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[0, 3, 4, 5, 5, 7],
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map[string]int{}
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},
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TestItemCGroup{
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"ababababac",
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r"ab(.*)(ac)",0,10,
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[2, 8, 8, 10],
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map[string]int{}
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},
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]
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)
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struct Test_find_all {
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src string
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q string
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res []int // [0,4,5,6...]
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res_str []string // ['find0','find1'...]
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}
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const (
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find_all_test_suite = [
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Test_find_all{
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"abcd 1234 efgh 1234 ghkl1234 ab34546df",
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r"\d+",
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[5, 9, 15, 19, 24, 28, 31, 36],
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['1234', '1234', '1234', '34546']
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},
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Test_find_all{
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"abcd 1234 efgh 1234 ghkl1234 ab34546df",
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r"\a+",
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[0, 4, 10, 14, 20, 24, 29, 31, 36, 38],
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['abcd', 'efgh', 'ghkl', 'ab', 'df']
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},
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Test_find_all{
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"oggi pippo è andato a casa di pluto ed ha trovato pippo",
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r"p[iplut]+o",
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[5, 10, 31, 36, 51, 56],
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['pippo', 'pluto', 'pippo']
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},
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Test_find_all{
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"oggi pibao è andato a casa di pbababao ed ha trovato pibabababao",
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r"(pi?(ba)+o)",
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[5, 10, 31, 39, 54, 65],
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['pibao', 'pbababao', 'pibabababao']
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},
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Test_find_all{
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"Today is a good day and tomorrow will be for sure.",
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r"[Tt]o\w+",
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[0, 5, 24, 32],
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['Today', 'tomorrow']
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},
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Test_find_all{
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"pera\nurl = https://github.com/dario/pig.html\npippo",
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r"url *= *https?://[\w./]+",
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[5, 44],
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['url = https://github.com/dario/pig.html']
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},
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Test_find_all{
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"pera\nurl = https://github.com/dario/pig.html\npippo",
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r"url *= *https?://.*"+'\n',
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[5, 45],
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['url = https://github.com/dario/pig.html\n']
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},
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Test_find_all{
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"#.#......##.#..#..##........##....###...##...######.......#.....#..#......#...#........###.#..#.",
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r"#[.#]{4}##[.#]{4}##[.#]{4}###",
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[29, 49],
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['#....###...##...####']
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},
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Test_find_all{
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"#.#......##.#..#..##........##....###...##...######.......#.....#..#......#...#........###.#..#.",
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r".*#[.#]{4}##[.#]{4}##[.#]{4}###",
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[0, 49],
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['#.#......##.#..#..##........##....###...##...####']
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},
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Test_find_all{
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"1234 Aa dddd Aaf 12334 Aa opopo Aaf",
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r"Aa.+Aaf",
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[5, 16, 23, 35],
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['Aa dddd Aaf', 'Aa opopo Aaf']
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},
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Test_find_all{
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"@for something @endfor @for something else @endfor altro testo @for body @endfor uno due @for senza dire più @endfor pippo",
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r"@for.+@endfor",
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[0, 22, 23, 50, 63, 80, 89, 117],
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['@for something @endfor', '@for something else @endfor', '@for body @endfor', '@for senza dire più @endfor']
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},
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Test_find_all{
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"+++pippo+++\n elvo +++ pippo2 +++ +++ oggi+++",
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r"\+{3}.*\+{3}",
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[0, 11, 18, 32, 33, 44],
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['+++pippo+++', '+++ pippo2 +++', '+++ oggi+++']
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}
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]
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)
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const (
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debug = true // true for debug println
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)
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fn test_regex(){
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// check capturing groups
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for c,to in cgroups_test_suite {
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// debug print
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if debug {
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println("$c [${to.src}] [q${to.q}] (${to.s}, ${to.e})")
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}
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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[$tmp_str] base:[${to.s},${to.e}] $start, $end")
|
||
eprintln("ERROR!")
|
||
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: $err')
|
||
assert false
|
||
continue
|
||
}
|
||
|
||
res := re.replace(to.src,to.rep)
|
||
if res != to.r {
|
||
eprintln("ERROR: replace.")
|
||
assert false
|
||
continue
|
||
}
|
||
}
|
||
|
||
// check replace simple
|
||
for c,to in match_test_suite_replace_simple{
|
||
// debug print
|
||
if debug { println("#$c [$to.src] q[$to.q] $to.r") }
|
||
|
||
mut re := regex.regex_opt(to.q) or {
|
||
eprintln('err: $err')
|
||
assert false
|
||
continue
|
||
}
|
||
|
||
res := re.replace_simple(to.src,to.rep)
|
||
if res != to.r {
|
||
eprintln("ERROR: replace.")
|
||
assert false
|
||
continue
|
||
}
|
||
}
|
||
|
||
// check match and find
|
||
for c,to in match_test_suite {
|
||
// debug print
|
||
if debug { println("#$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!")
|
||
assert false
|
||
continue
|
||
}
|
||
|
||
// test the match predicate
|
||
if to.s >= 0 {
|
||
assert re.matches_string(to.src)
|
||
} else {
|
||
assert !re.matches_string(to.src)
|
||
}
|
||
|
||
// 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: ${re.get_parse_error_string(re_err)}")
|
||
assert false
|
||
}
|
||
}
|
||
|
||
fn my_repl(re regex.RE, in_txt string, start int, end int) string {
|
||
s0 := re.get_group_by_id(in_txt,0)[0..1] + "X"
|
||
s1 := re.get_group_by_id(in_txt,1)[0..1] + "X"
|
||
s2 := re.get_group_by_id(in_txt,2)[0..1] + "X"
|
||
return "${s0}${s1}${s2}"
|
||
}
|
||
|
||
|
||
// test regex replace function
|
||
fn test_regex_func_replace(){
|
||
filler := "E il primo dei tre regni dell'Oltretomba cristiano visitato da Dante nel corso del viaggio, con la guida di Virgilio."
|
||
txt := r'"content": "They dont necessarily flag "you will be buying these shares on margin!"", "channel_id"'
|
||
query := r'"(content":\s+")(.*)(, "channel_id")'
|
||
mut re := regex.regex_opt(query) or { panic(err) }
|
||
|
||
mut txt1 := ""
|
||
mut txt2 := ""
|
||
|
||
for _ in 0..3 {
|
||
rnd := int(10+rand.u32() % 20)
|
||
txt1 += txt + filler[0..rnd] + "\n"
|
||
txt2 += "cXTX,X" + filler[0..rnd] + "\n"
|
||
}
|
||
|
||
result := re.replace_by_fn(txt1, my_repl)
|
||
if debug {
|
||
eprintln(result)
|
||
eprintln(txt2)
|
||
}
|
||
assert result == txt2
|
||
}
|
||
|
||
fn rest_regex_replace_n(){
|
||
s := "dario 1234 pepep 23454 pera"
|
||
query := r"\d+"
|
||
|
||
mut re := regex.regex_opt(query) or { panic(err) }
|
||
|
||
assert re.replace_n(s, "[repl]", 0) == "dario 1234 pepep 23454 pera"
|
||
assert re.replace_n(s, "[repl]", -1) == "dario 1234 pepep [repl] pera"
|
||
assert re.replace_n(s, "[repl]", 1) == "dario [repl] pepep 23454 pera"
|
||
assert re.replace_n(s, "[repl]", 2) == "dario [repl] pepep [repl] pera"
|
||
assert re.replace_n(s, "[repl]", -2) == "dario [repl] pepep [repl] pera"
|
||
assert re.replace_n(s, "[repl]", 3) == "dario [repl] pepep [repl] pera"
|
||
assert re.replace_n(s, "[repl]", -3) == "dario [repl] pepep [repl] pera"
|
||
|
||
//mut res := re.replace_n(s, "[repl]", -1)
|
||
//println("source: ${s}")
|
||
//println("res : ${res}")
|
||
}
|
||
|
||
// test quantifier wrong sequences
|
||
const(
|
||
test_quantifier_sequences_list = [
|
||
r'+{3}.*+{3}',
|
||
r'+{3}.*?{3}',
|
||
r'+{3}.**{3}',
|
||
r'+{3}.*\+{3}*',
|
||
r'+{3}.*\+{3}+',
|
||
r'+{3}.*\+{3}??',
|
||
r'+{3}.*\+{3}{4}'
|
||
]
|
||
)
|
||
fn test_quantifier_sequences(){
|
||
for pattern in test_quantifier_sequences_list {
|
||
re, re_err, err_pos := regex.regex_base(pattern)
|
||
if re_err != regex.err_syntax_error {
|
||
eprintln("pattern: $pattern => $re_err")
|
||
}
|
||
assert re_err == regex.err_syntax_error
|
||
}
|
||
}
|
||
|
||
// test group index in find
|
||
struct Test_find_groups {
|
||
src string
|
||
q string
|
||
s int // start index
|
||
e int // end index
|
||
res []int // groups indexes
|
||
}
|
||
const (
|
||
find_groups_test_suite = [
|
||
Test_find_groups{
|
||
"aabbbccccdd",
|
||
r"(b+)(c+)",
|
||
2,
|
||
9,
|
||
[2, 5, 5, 9],
|
||
},
|
||
Test_find_groups{
|
||
"aabbbccccdd",
|
||
r"(a+).*(c+)",
|
||
0,
|
||
9,
|
||
[0, 2, 5, 9],
|
||
},
|
||
Test_find_groups{
|
||
"aabbbccccdd",
|
||
r"((b+).*)(d+)",
|
||
2,
|
||
11,
|
||
[2, 9, 2, 5, 9, 11],
|
||
},
|
||
]
|
||
)
|
||
fn test_groups_in_find(){
|
||
for test_obj in find_groups_test_suite {
|
||
src_text := test_obj.src
|
||
query := test_obj.q
|
||
mut re := regex.regex_opt(query) or { panic(err) }
|
||
start, end := re.find(src_text)
|
||
// Debug print do not remove!!
|
||
/*
|
||
println("---------")
|
||
println("src_text:[${src_text}]")
|
||
println("query :[${query}]")
|
||
println("[${start}, ${end}]")
|
||
println(re.groups)
|
||
mut gi := 0
|
||
for gi < re.groups.len {
|
||
if re.groups[gi] >= 0 {
|
||
println('${gi / 2} :[${src_text[re.groups[gi]..re.groups[gi + 1]]}]')
|
||
}
|
||
gi += 2
|
||
}
|
||
*/
|
||
// check
|
||
assert start == test_obj.s
|
||
assert end == test_obj.e
|
||
assert re.groups == test_obj.res
|
||
}
|
||
}
|
||
|
||
const(
|
||
err_query_list = [
|
||
r'([a]|[b])*'
|
||
]
|
||
)
|
||
fn test_errors(){
|
||
mut count := 0
|
||
for query in err_query_list {
|
||
_, err, _ := regex.regex_base(query)
|
||
if err != regex.compile_ok {
|
||
count++
|
||
}
|
||
}
|
||
assert count == err_query_list.len
|
||
}
|
||
|
||
|
||
fn test_long_query() {
|
||
test_len := 32768
|
||
mut buf := strings.new_builder(test_len * 3)
|
||
base_string := rand.string(test_len)
|
||
|
||
for c in base_string {
|
||
buf.write_b(`(`)
|
||
buf.write_b(c)
|
||
buf.write_b(`)`)
|
||
}
|
||
|
||
mut query := buf.str()
|
||
|
||
//println(base_string)
|
||
//println(buf.str())
|
||
|
||
// test 1
|
||
mut re := regex.regex_opt(query) or { panic(err) }
|
||
mut start, mut end := re.match_string(base_string)
|
||
//println("$start, $end")
|
||
assert start >= 0 && end == base_string.len
|
||
|
||
// test 2
|
||
buf.clear()
|
||
for c in base_string {
|
||
buf.write_b(`(`)
|
||
buf.write_b(c)
|
||
}
|
||
for _ in 0..base_string.len {
|
||
buf.write_b(`)`)
|
||
}
|
||
query = buf.str()
|
||
re = regex.regex_opt(query) or { panic(err) }
|
||
start, end = re.match_string(base_string)
|
||
//println("$start, $end")
|
||
assert start >= 0 && end == base_string.len
|
||
}
|
||
|
||
|
||
struct Test_negation_group {
|
||
src string
|
||
res bool
|
||
}
|
||
const(
|
||
negation_groups = [
|
||
Test_negation_group{'automobile',false},
|
||
Test_negation_group{'botomobile',true},
|
||
Test_negation_group{'auto_caravan',false},
|
||
Test_negation_group{'moto_mobile',true},
|
||
Test_negation_group{'pippole',true},
|
||
Test_negation_group{'boring test',false},
|
||
]
|
||
)
|
||
fn test_negation_groups() {
|
||
mut query := r"(?!auto)\w+le"
|
||
mut re := regex.regex_opt(query) or { panic(err) }
|
||
for test in negation_groups {
|
||
start, end := re.match_string(test.src)
|
||
assert (start >= 0) == test.res
|
||
}
|
||
}
|