char/avril

git clone https://git.t4t.associates/char/avril

Charlotte Somsnapshot: embed shared main and worker startup in the CLI688e96e2026-10-19

mod common;

use common::run;

#[test]
fn matches_components_and_returns_named_optional_and_numbered_groups() {
    let output = run(
        r#"
        const p = new URLPattern({ protocol: 'https', hostname: ':sub.example.com',
            pathname: '/books/:id(\\d+){/:slug}?', search: 'q=:term', hash: ':section' });
        const url = 'https://api.example.com/books/42?q=rust#intro';
        const result = p.exec(url);
        console.log(p.protocol, p.username, p.password, p.hostname, p.port, p.pathname, p.search, p.hash, p.hasRegExpGroups);
        console.log(p.test(url), p.test('https://api.example.com/books/no?q=rust#intro'));
        console.log(JSON.stringify(result.inputs), result.hostname.groups.sub, result.pathname.groups.id,
            Object.hasOwn(result.pathname.groups, 'slug'), result.pathname.groups.slug,
            result.search.groups.term, result.hash.groups.section, result.port.groups[0]);
        const second = p.exec('https://www.example.com/books/7/title?q=js#end');
        console.log(second.pathname.groups.slug, result.pathname.groups.id, second !== result,
            second.pathname !== result.pathname, second.pathname.groups !== result.pathname.groups);
        const numbered = new URLPattern({pathname: '/(foo|bar)/*'}).exec({pathname:'/foo/rest/of/path'});
        console.log(JSON.stringify(numbered.pathname));
        console.log(Object.keys(result).join(','), Object.keys(result.pathname).join(','));
        console.log(p.exec('https://api.example.com/nope'));
        console.log(Object.prototype.toString.call(p), Object.getPrototypeOf(result) === Object.prototype,
            Object.getPrototypeOf(result.pathname.groups) === Object.prototype);
    "#,
        &[],
    );
    assert_eq!(
        String::from_utf8(output.stdout).unwrap(),
        concat!(
            "https * * :sub.example.com * /books/:id(\\d+)/:slug? q=:term :section true\n",
            "true false\n",
            "[\"https://api.example.com/books/42?q=rust#intro\"] api 42 true undefined rust intro \n",
            "title 42 true true true\n",
            "{\"groups\":{\"0\":\"foo\",\"1\":\"rest/of/path\"},\"input\":\"/foo/rest/of/path\"}\n",
            "hash,hostname,inputs,password,pathname,port,protocol,search,username groups,input\n",
            "null\n",
            "[object URLPattern] true true\n",
        )
    );
}

#[test]
fn accepts_constructor_overloads_relative_inputs_and_normalized_urls() {
    let output = run(
        r#"
        const p = new URLPattern('./books/:id', 'https://example.com/store/index');
        console.log(p.hostname, p.pathname, p.test('./books/42', 'https://example.com/store/index'));
        console.log(JSON.stringify(p.exec('./books/42', 'https://example.com/store/index').inputs));
        const init = { pathname: './books/:id', baseURL: 'https://example.com/store/index' };
        console.log(new URLPattern(init).test('https://example.com/store/books/42'));
        const international = new URLPattern('https://BÜCHER.example:443/café/:id');
        console.log(international.hostname, international.port, international.pathname,
            international.exec('https://xn--bcher-kva.example/caf%C3%A9/42').pathname.groups.id);
        const ipv6 = new URLPattern({ protocol: 'https', hostname: '[\\:\\:1]', port: '443' });
        console.log(ipv6.test('https://[::1]/'), ipv6.port);
        console.log(new URLPattern(new URL('https://example.com/path')).test('https://example.com/path'));
        console.log(new URLPattern().test(), new URLPattern(null).test(null), new URLPattern(undefined, undefined).test(undefined));
        console.log(JSON.stringify(new URLPattern().exec().inputs));
        console.log(new URLPattern({pathname:'/foo'}).test('/foo'), new URLPattern().test('http://['),
            new URLPattern().exec({baseURL:'invalid'}));
        const dictionary = { pathname: 42, extra: 'ignored' };
        const r = new URLPattern({pathname:':id'}).exec(dictionary);
        console.log(JSON.stringify(r.inputs), r.pathname.groups.id, r.inputs[0] !== dictionary);
        console.log(new URLPattern(42, 'https://example.com/').pathname);
    "#,
        &[],
    );
    assert_eq!(
        String::from_utf8(output.stdout).unwrap(),
        concat!(
            "example.com /store/books/:id true\n",
            "[\"./books/42\",\"https://example.com/store/index\"]\n",
            "true\n",
            "xn--bcher-kva.example  /caf%C3%A9/:id 42\n",
            "true \n",
            "true\ntrue true true\n[{}]\n",
            "false false null\n",
            "[{\"pathname\":\"42\"}] 42 true\n",
            "/42\n",
        )
    );
}

#[test]
fn uses_ecmascript_regexps_unicode_sets_and_component_specific_case_rules() {
    let output = run(
        r#"
        const p = new URLPattern({protocol:'((?=https)https)', pathname:'/((?!admin)[a-z]+)'});
        console.log(p.test('https://example.com/public'), p.test('https://example.com/admin'), p.hasRegExpGroups);
        const sets = new URLPattern({pathname:'/([[a-z]--a])'});
        console.log(sets.test({pathname:'/a'}), sets.exec({pathname:'/z'}).pathname.groups[0]);
        const intersection = new URLPattern({pathname:'/([\\d&&[0-1]])'});
        console.log(intersection.test({pathname:'/0'}), intersection.test({pathname:'/3'}));
        const unicode = new URLPattern({hash:':letter(\\p{Letter}+)' });
        console.log(unicode.exec({hash:'abc'}).hash.groups.letter);
        const opts = {ignoreCase: 'truthy'};
        for (const component of ['protocol','username','password','hostname','pathname','search','hash']) {
            const value = component === 'protocol' ? '(HTTPS)' : 'FOO';
            const input = component === 'protocol' ? 'https' : 'foo';
            console.log(component, new URLPattern({[component]:value}, opts).test({[component]:input}));
        }
        console.log(new URLPattern({pathname:'/x/:id?'}).hasRegExpGroups,
            new URLPattern({pathname:'/x/:id(.*)'}).hasRegExpGroups,
            new URLPattern({pathname:'/x/:id([a-z]+)'}).hasRegExpGroups);
    "#,
        &[],
    );
    assert_eq!(output.stdout, b"true false true\nfalse z\ntrue false\nabc\nprotocol false\nusername false\npassword false\nhostname true\npathname true\nsearch true\nhash true\nfalse false true\n");
}

#[test]
fn validates_patterns_receivers_and_webidl_conversion_without_poisoning_later_calls() {
    let output = run(
        r#"
        const typeError = fn => { try { fn(); } catch (e) { if (e instanceof TypeError) return; throw e; } throw new Error('Expected TypeError'); };
        const p = new URLPattern();
        for (const fn of [() => URLPattern(), () => new URLPattern('/relative'),
            () => new URLPattern({pathname:'()'}), () => new URLPattern({pathname:'/(a(b))'}),
            () => new URLPattern({pathname:'/(a{1,0})'}), () => new URLPattern({pathname:'/:x/:x'}),
            () => new URLPattern({pathname:'\\'}), () => new URLPattern(Symbol()),
            () => new URLPattern({}, 'https://example.com'), () => new URLPattern({}, null, {}),
            () => new URLPattern({}, 1), () => new URLPattern({}, {}, {}),
            () => p.test({}, 'https://example.com'), () => p.exec({}, ''), () => p.test(Symbol()),
            () => URLPattern.prototype.test.call({}), () => URLPattern.prototype.exec.call({}),
            () => Object.getOwnPropertyDescriptor(URLPattern.prototype,'pathname').get.call({}),
            () => Object.getOwnPropertyDescriptor(URLPattern.prototype,'hasRegExpGroups').get.call({}),
        ]) typeError(fn);
        console.log(new URLPattern({pathname:'/x'}).test('https://example.com/x'));
        const order = [];
        const input = new Proxy({}, {get(_, key) {order.push(key); return undefined;}});
        new URLPattern(input, {get ignoreCase() {order.push('ignoreCase'); return false;}});
        console.log(order.join(','));
        console.log(new URLPattern({pathname:'/\uD800'}).pathname);
        const r = p.exec({pathname:'\uD800'}); console.log(r.inputs[0].pathname === '\uFFFD');
        class Child extends URLPattern {}
        console.log(new Child({pathname:'/x'}) instanceof Child, URLPattern.length, p.test.length, p.exec.length);
        const descriptor = Object.getOwnPropertyDescriptor(URLPattern.prototype,'pathname');
        console.log(descriptor.enumerable, descriptor.configurable, descriptor.set, descriptor.get.name);
    "#,
        &[],
    );
    assert_eq!(output.stdout, b"true\nbaseURL,hash,hostname,password,pathname,port,protocol,search,username,ignoreCase\n/%EF%BF%BD\ntrue\ntrue 0 0 0\ntrue true undefined get pathname\n");
}

#[test]
fn captures_primordials_and_materializes_groups_without_prototype_setters() {
    let output = run(
        r#"
        const p = new URLPattern({pathname:'/:__proto__/:constructor/:id'});
        const re = RegExp.prototype, strings = String.prototype, weak = WeakMap.prototype;
        const poison = () => {throw new Error('Poisoned intrinsic');};
        globalThis.RegExp = poison; globalThis.URL = poison; globalThis.String = poison; globalThis.WeakMap = poison;
        re.exec = poison; strings.toWellFormed = poison; weak.get = poison; weak.set = poison;
        Object.defineProperty(Object.prototype,'id',{set:poison,configurable:true});
        Object.defineProperty(Array.prototype,'1',{set:poison,configurable:true});
        Object.defineProperty(p,'pathname',{value:'overridden'});
        const r = p.exec('https://example.com/first/second/third');
        const fresh = new URLPattern({protocol:'((?=https)https)', pathname:'/x/:id'});
        const matched = fresh.exec('https://example.com/x/42');
        delete Array.prototype[1]; delete Object.prototype.id;
        console.log(r.pathname.groups.__proto__, r.pathname.groups.constructor, r.pathname.groups.id,
            Object.getPrototypeOf(r.pathname.groups) === Object.prototype, Object.hasOwn(r.pathname.groups,'__proto__'));
        console.log(fresh.test('https://example.com/x/7'), matched.pathname.groups.id,
            new URLPattern({pathname:'/x'}).test('https://example.com/x'));
    "#,
        &[],
    );
    assert_eq!(
        output.stdout,
        b"first second third true true\ntrue 42 true\n"
    );
}

#[test]
fn native_protocol_checks_never_call_user_regexp_exec() {
    let output = run(
        r#"
        const original = Object.getOwnPropertyDescriptor(RegExp.prototype, 'exec');
        let calls = 0;
        const build = () => [
            new URLPattern({protocol:'(https)', pathname:'x y'}).pathname,
            new URLPattern({protocol:'(foo)', pathname:'x y'}).pathname,
        ].join('|');
        const baseline = build();
        for (const replacement of [() => {calls++; return {};}, () => {calls++; throw new Error('Poisoned exec');},
            () => {calls++; new URLPattern({protocol:'(x)'}); return null;}]) {
            Object.defineProperty(RegExp.prototype, 'exec', {value:replacement, writable:true, configurable:true});
            if (build() !== baseline) throw new Error('User exec changed parsing');
        }
        Object.defineProperty(RegExp.prototype, 'exec', {get() {calls++; throw new Error('Poisoned exec getter');}, configurable:true});
        if (build() !== baseline) throw new Error('User getter changed parsing');
        Object.defineProperty(RegExp.prototype, 'exec', original);
        console.log(baseline, calls);
    "#,
        &[],
    );
    assert_eq!(output.stdout, b"x%20y|x y 0\n");
}