/
pcre2_test.v
181 lines (151 loc) · 5.43 KB
/
pcre2_test.v
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module pcre2_tests
import pcre2
fn test_compile() {
mut r := pcre2.compile(r'foo')!
defer {
r.free() // Only necessary if autofree is not enabled.
}
assert r.pattern == r'foo'
assert r.subpattern_count == 0
assert r.str().starts_with(r'RegEx{ pattern: foo, subpattern_count: 0,')
r = pcre2.compile(r'a(b)c(d)')!
assert r.pattern == r'a(b)c(d)'
assert r.subpattern_count == 2
r = pcre2.compile(r'^\\?\.((?:\s*[a-zA-Z][\w\-]*)+)*(?:\s*)?(#[a-zA-Z][\w\-]*\s*)?(?:\s*)?(?:"(.+?)")?(?:\s*)?(\[.+])?(?:\s*)?([+-][ \w+-]+)?$')!
assert r.pattern == r'^\\?\.((?:\s*[a-zA-Z][\w\-]*)+)*(?:\s*)?(#[a-zA-Z][\w\-]*\s*)?(?:\s*)?(?:"(.+?)")?(?:\s*)?(\[.+])?(?:\s*)?([+-][ \w+-]+)?$'
assert r.subpattern_count == 5
assert r.str().starts_with(r'RegEx{ pattern: ^\\?\.((?:\s*[a-zA-Z][\w\-]*)+)*(?:\s*)?(#[a-zA-Z][\w\-]*\s*)?(?:\s*)?(?:"(.+?)")?(?:\s*)?(\[.+])?(?:\s*)?([+-][ \w+-]+)?$, subpattern_count: 5,')
if _ := pcre2.compile(r'\') {
assert false, 'should have returned an error'
} else {
assert err.msg() == 'pcre2_compile(): pattern: "\\": error 101 "\\ at end of pattern" at offset 1'
}
}
fn test_must_compile() {
pcre2.must_compile(r'x')
pcre2.must_compile(r'^\\?\.((?:\s*[a-zA-Z][\w\-]*)+)*(?:\s*)?(#[a-zA-Z][\w\-]*\s*)?(?:\s*)?(?:"(.+?)")?(?:\s*)?(\[.+])?(?:\s*)?([+-][ \w+-]+)!$')
}
fn test_escape_meta() {
assert pcre2.escape_meta(r'\.+*?()|[]{}^$') == r'\\\.\+\*\?\(\)\|\[\]\{\}\^\$'
assert pcre2.escape_meta(r'(🚀)') == r'\(🚀\)'
}
fn test_is_nil() {
mut r := pcre2.compile(r'foo')!
assert !r.is_nil()
r = pcre2.Regex{}
assert r.is_nil()
}
fn test_replace() {
// Token test for public API wrapper functions, see pcre2_internal_test.v
mut r := pcre2.must_compile(r'(x|y|z)')
assert r.replace_all('z y x', '"$1"') == '"z" "y" "x"'
assert r.replace_one('z y x', '"$1"') == '"z" y x'
assert r.replace_one_fn('z yx', fn (m string) string {
return '<${m}>'
}) == '<z> yx'
assert r.replace_all_fn('z yx', fn (m string) string {
return '<${m}>'
}) == '<z> <y><x>'
r = pcre2.must_compile(r'(([a-z]+)(\d+))')
assert r.replace_one_submatch_fn('abc456 xyz123', fn (m []string) string {
return '${m[2]} ${m[3]} ${m[1]}'
}) == 'abc 456 abc456 xyz123'
assert r.replace_all_submatch_fn('abc456 xyz123', fn (m []string) string {
return '${m[2]} ${m[3]} ${m[1]}'
}) == 'abc 456 abc456 xyz 123 xyz123'
}
fn test_extended() {
mut r := pcre2.compile(r'baz')!
mut subject := 'baz baz'
mut s := r.replace_all_extended(subject, 'foo')
assert s == 'foo foo'
s = r.replace_one_extended(subject, 'foo')
assert s == 'foo baz'
subject = 'qux'
s = r.replace_one_extended(subject, 'foo')
assert s == 'qux'
s = r.replace_all_extended(subject, 'foo')
assert s == 'qux'
r = pcre2.must_compile(r'\b([dn].*?)\b')
subject = 'Lorem nisi dis diam a cras placerat natoque'
s = r.replace_all_extended(subject, r'\U$1')
assert s == 'Lorem NISI DIS DIAM a cras placerat NATOQUE'
s = r.replace_one_extended(subject, r'\U$1')
assert s == 'Lorem NISI dis diam a cras placerat natoque'
}
fn test_is_match() {
mut r := pcre2.compile(r'foo')!
assert !r.is_match('')
assert !r.is_match('bar')
assert r.is_match('foo')
assert r.is_match('baz foo')
r = pcre2.compile(r'x|(y)|(z)')!
assert !r.is_match('u')
assert r.is_match('x')
assert r.is_match('y')
assert r.is_match('z')
}
fn test_find_index() {
mut r := pcre2.must_compile(r'x([yz])')
assert r.find_all_index('an xy') == [[3, 5, 4, 5]]
assert r.find_all_index('an xy and xz') == [[3, 5, 4, 5],
[10, 12, 11, 12]]
if _ := r.find_one_index('') {
assert false, 'should have returned none'
}
assert r.find_one_index('an xy and xz')? == [3, 5, 4, 5]
r = pcre2.must_compile(r'x((\d+)|(\w+))')
assert r.find_one_index('x123 xABC')? == [0, 4, 1, 4, 1, 4, -1, -1]
assert r.find_all_index('x123 xABC') == [[0, 4, 1, 4, 1, 4, -1, -1],
[5, 9, 6, 9, -1, -1, 6, 9]]
}
fn test_find_submatch() {
mut r := pcre2.must_compile(r'x([yz])')
assert r.find_all_submatch('an xy') == [['xy', 'y']]
assert r.find_all_submatch('an xy and xz') == [['xy', 'y'],
['xz', 'z']]
if _ := r.find_one_submatch('') {
assert false, 'should have returned none'
}
assert r.find_one_submatch('an xy and xz')? == ['xy', 'y']
r = pcre2.must_compile('^x$')
assert r.find_one_submatch('x')? == ['x']
// r = pcre2.must_compile('^(?!.+)$')
r = pcre2.must_compile('^$')
assert r.is_match('')
assert r.find_one_submatch('')? == ['']
r = pcre2.must_compile('(.*?)((foo)+)')
mut submatches := []string{}
for subject in ['My name is foo', 'Mine is foofoo', 'Mine is baz'] {
if m := r.find_one_submatch(subject) {
submatches << m
} else {
submatches << 'No match'
}
}
assert submatches == ['My name is foo', 'My name is ', 'foo', 'foo', 'Mine is foofoo', 'Mine is ',
'foofoo', 'foo', 'No match']
}
fn test_find() {
mut r := pcre2.must_compile(r'\d')
if _ := r.find_one('abcdeg') {
assert false, 'should have returned none'
} else {
assert err is none, 'should have returned none'
}
assert r.find_all('1 abc 9 de 5 g') == ['1', '9', '5']
assert r.find_one('1 abc 9 de 5 g')? == '1'
}
fn test_split() {
r := pcre2.compile(r'foo|bar')!
mut subject := 'foobar boo steelbar toolbox foot tooooot'
assert r.split_all(subject) == ['', '', ' boo steel', ' toolbox ', 't tooooot']
assert r.split_one(subject)? == ['', 'bar boo steelbar toolbox foot tooooot']
subject = ''
assert r.split_all(subject) == ['']
if _ := r.split_one(subject) {
assert false, 'should have returned none'
}
subject = 'qux'
assert r.split_all(subject) == ['qux']
}