- The client's resume thresholds equal the server's (read from both sources). - The session stop's URL matches the route the server serves it on. - The player stops its server session by its item and its own id on an unload and on close, and keeps it when the page only goes into the back/forward cache.
32 lines
1.7 KiB
TypeScript
32 lines
1.7 KiB
TypeScript
import { readFileSync } from "node:fs";
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import { expect, it } from "vitest";
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// One rule, two languages, no shared wire format — so a test is the only thing that holds them
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// together. Which point a library item keeps is the server's (`routes/_common.kept_position`); the
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// client repeats it (`lib/resume.ts`) for the shared link, which has no server side, and for the
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// library row it patches before the server has answered. A server-only change left the row showing
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// a Continue point the server had already cleared, and a link resuming at points the library no
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// longer keeps. Both must be EQUAL: neither direction is merely conservative here.
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//
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// Read from source rather than imported, as in plexFinishMargin.contract.test.ts.
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function constantIn(path: string, pattern: RegExp): number {
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const source = readFileSync(new URL(path, import.meta.url), "utf8");
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const m = pattern.exec(source);
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// If this fails the constant was renamed or moved — find it and re-point this test, because the
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// rule it guards did not go away.
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expect(m, `${pattern} not found in ${path}`).not.toBeNull();
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return Number(m![1]);
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}
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const SERVER = "../../../backend/app/routes/_common.py";
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it.each([
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["the least position that counts as started", "PROGRESS_MIN_SECONDS", "PROGRESS_MIN_S"],
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["the margin before the end that counts as finished", "FINISH_MARGIN_SECONDS", "FINISH_MARGIN_S"],
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])("keeps %s the same as the server", (_what, server, client) => {
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const backend = constantIn(SERVER, new RegExp(`^${server}\\s*=\\s*(\\d+)`, "m"));
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const frontend = constantIn("./resume.ts", new RegExp(`^const ${client}\\s*=\\s*(\\d+)`, "m"));
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expect(backend).toBeGreaterThan(0);
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expect(frontend).toBe(backend);
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});
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