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pj
c77b78d63b
Selector matching is written once per runtime: internal/hierarchy over the dump, web-runtime.ts over the DOM. Nothing made the two agree, and a selector that resolves on one and not the other is silent, since an empty match yields no action and the run still passes.
34 lines
1.0 KiB
TypeScript
34 lines
1.0 KiB
TypeScript
/// <reference lib="dom" />
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// The V8 host's selector matcher, read back match by match.
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//
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// internal/driver/chrome/selector_parity_test.go bundles this probe into a live
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// page and compares what it returns against what internal/hierarchy resolves
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// from the dump of the SAME page. Selector matching is written once per runtime,
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// and only a comparison over one page can say whether the two mean the same
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// thing by one selector. buildAx is the shipped `state.ax`, so the answer comes
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// from production code rather than a copy of it.
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import { __testing__ } from "../src/web-runtime.ts";
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const { buildAx } = __testing__;
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interface Handle {
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id?: string;
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}
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interface Ax {
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findAll(selector: unknown): Handle[];
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}
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function selectorMatches(selector: string): string[] {
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const ax = buildAx() as Ax;
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return ax.findAll(selector).map((element) => element.id ?? "");
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}
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type SelectorGlobal = {
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__sanderlingSelectorMatches__: (selector: string) => string[];
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};
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(globalThis as unknown as SelectorGlobal).__sanderlingSelectorMatches__ = selectorMatches;
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