wehub-resource-sync
46 lines
2.9 KiB
JavaScript
46 lines
2.9 KiB
JavaScript
// tests/providers/_html-entities.test.mjs — direct coverage for the shared
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// entity decoder (providers/_html-entities.mjs), extracted out of
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// deutschebahn.mjs / hecklerkoch.mjs so the numeric-entity guard can't drift
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// out of sync between copies again (#1555). CodeRabbit asked for this as a
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// dedicated, provider-independent test for a "safety-critical" shared module.
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import { pass, fail, ROOT } from '../helpers.mjs';
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import { join } from 'path';
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import { pathToFileURL } from 'url';
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console.log('\nProvider — _html-entities (shared HTML entity decoder)');
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try {
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const { decodeEntities } = await import(pathToFileURL(join(ROOT, 'providers/_html-entities.mjs')).href);
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if (decodeEntities('Program & Release') === 'Program & Release') pass('decodeEntities decodes named entities (&)');
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else fail(`named entity wrong: ${JSON.stringify(decodeEntities('Program & Release'))}`);
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if (decodeEntities('für Zürich') === 'für Zürich') pass('decodeEntities decodes decimal and hex numeric entities');
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else fail(`numeric entity wrong: ${JSON.stringify(decodeEntities('für Zürich'))}`);
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if (decodeEntities('Zürich') === 'Zürich') pass('decodeEntities decodes an uppercase hex marker (&#X..;)');
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else fail(`uppercase hex entity wrong: ${JSON.stringify(decodeEntities('Zürich'))}`);
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// A numeric entity above 0x10FFFF is the one that actually throws
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// RangeError out of String.fromCodePoint; a lone surrogate half
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// (0xD800-0xDFFF) does not throw by itself but is rejected defensively
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// since it isn't a valid Unicode scalar value. Both must degrade to the
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// literal source text rather than crash.
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if (decodeEntities('Huge�Entity') === 'Huge�Entity') pass('decodeEntities degrades an out-of-range numeric entity (no RangeError crash)');
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else fail(`out-of-range entity wrong: ${JSON.stringify(decodeEntities('Huge�Entity'))}`);
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if (decodeEntities('Bad�Entity') === 'Bad�Entity') pass('decodeEntities degrades a lone surrogate half');
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else fail(`surrogate entity wrong: ${JSON.stringify(decodeEntities('Bad�Entity'))}`);
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if (decodeEntities('Negative&#-1;Entity') === 'Negative&#-1;Entity') pass('decodeEntities leaves a non-matching negative entity untouched');
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else fail(`negative entity wrong: ${JSON.stringify(decodeEntities('Negative&#-1;Entity'))}`);
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// Regression: the hex-charset alternative used to match decimal-looking
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// bodies too ("#x?[0-9a-fA-F]+"), so parseInt(…, 10) silently stopped at
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// the first hex letter and dropped the rest — "a2;" decoded to "\x01"
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// and swallowed "a2" instead of passing the malformed entity through.
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if (decodeEntities('Xa2;Y') === 'Xa2;Y') pass('decodeEntities does not let hex letters leak into the decimal branch');
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else fail(`decimal/hex leak regression: ${JSON.stringify(decodeEntities('Xa2;Y'))}`);
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} catch (e) {
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fail(`_html-entities tests crashed: ${e.message}`);
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}
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