peter
134ec9a68e
The send, the draft and the screenshots take the session's row lock, so an autosave or a paste during a send waits for it and then sees it, and two sends cannot open two issues. A save keeps the delivery's progress; a failed edit that shows the screenshots is finished by the retry; an answer that is not the tracker's API (a redirect, a proxy page) is refused, not a crash that loses the issue's record. Only an attempt that opened an issue counts toward the pace. Screenshots: deleting one after the send is refused, a user's storage is capped across sessions, new sessions and zip exports are paced, images are stored uncompressed in the zip. One liveness rule, one session view, one image type table. Logging: a session's elevation is tracked apart from the user's own, so the browser's own requests (no header) no longer lower the floor a session needs; Stop ends it at once. Composer: an image pasted anywhere is taken; what is still unsaved is saved on close, and "saved" is shown only when it is; the draft is held while it is sent; a failed screenshot read says so instead of reading as none; focus moves to what stays; the preview follows the text size. Pill: the step prompt and a running Stop survive the pill moving between hosts, the prompt keeps the dialog's Tab trap, the toast region lets clicks through, other tabs hear of a Start or Stop, the last seconds are sent before the cap, a capture with no frame is an error.
56 lines
2.0 KiB
TypeScript
56 lines
2.0 KiB
TypeScript
// @vitest-environment jsdom
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//
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// E16: one screenshot of this tab. The browser's picker is stubbed (jsdom has no Screen Capture API):
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// a cancelled or refused picker is the user saying no (null, no error); anything else is an error;
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// a tab that was shared but gave no frame is an error too, not a silent nothing; and the capture is
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// stopped whatever happened — nothing keeps sharing the tab after one frame.
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import { afterEach, describe, expect, it, vi } from "vitest";
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import { captureTab } from "./captureTab";
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function stubPicker(result: () => Promise<MediaStream>) {
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Object.defineProperty(navigator, "mediaDevices", {
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configurable: true,
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value: { getDisplayMedia: vi.fn(result) },
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});
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}
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function fakeStream() {
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const track = { stop: vi.fn() };
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return { stream: { getTracks: () => [track] } as unknown as MediaStream, track };
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}
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afterEach(() => {
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vi.restoreAllMocks();
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Reflect.deleteProperty(navigator, "mediaDevices");
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});
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describe("captureTab", () => {
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it.each(["NotAllowedError", "AbortError"])(
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"a %s from the picker is the user saying no",
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async (name) => {
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stubPicker(() => Promise.reject(new DOMException("no", name)));
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await expect(captureTab()).resolves.toBeNull();
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},
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);
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it("any other failure of the picker is an error", async () => {
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stubPicker(() => Promise.reject(new DOMException("broken", "NotReadableError")));
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await expect(captureTab()).rejects.toMatchObject({ name: "NotReadableError" });
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});
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it("a shared tab that gives no frame is an error, and the capture is stopped", async () => {
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vi.useFakeTimers();
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const { stream, track } = fakeStream();
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stubPicker(() => Promise.resolve(stream));
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vi.spyOn(HTMLMediaElement.prototype, "play").mockResolvedValue();
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// jsdom's video never has a size: no frame arrives.
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const result = captureTab();
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const settled = expect(result).rejects.toMatchObject({ name: "NoFrameError" });
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await vi.advanceTimersByTimeAsync(2_000);
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await settled;
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expect(track.stop).toHaveBeenCalled();
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vi.useRealTimers();
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});
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});
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