peter
f2de8f73aa
net::ERR_NO_BUFFER_SPACE stopped a release at its first page with nothing else running, and the unchanged rerun passed. Every page load of the suite now goes through one helper, held by a test.
83 lines
3.4 KiB
TypeScript
83 lines
3.4 KiB
TypeScript
// The e2e suite's request wrapper (e2e/retryConnect.ts): a connect that never came about is tried
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// again, as every TCP stack would; any other failure, or an answer, goes straight to the test.
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import { readdirSync, readFileSync } from "node:fs";
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import { describe, expect, it, vi } from "vitest";
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import { gotoRetrying, retryConnect } from "../../e2e/retryConnect";
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const noConnection = () => new Error("apiRequestContext.get: connect ETIMEDOUT 127.0.0.1:8080");
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describe("retryConnect", () => {
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it("tries a connect that timed out again, and hands back the answer that came", async () => {
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vi.useFakeTimers();
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const get = vi
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.fn()
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.mockRejectedValueOnce(noConnection())
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.mockRejectedValueOnce(noConnection())
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.mockResolvedValue("ok");
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const api = retryConnect({ get });
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const answer = api.get("/healthz");
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await vi.runAllTimersAsync();
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await expect(answer).resolves.toBe("ok");
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expect(get).toHaveBeenCalledTimes(3);
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expect(get).toHaveBeenLastCalledWith("/healthz");
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vi.useRealTimers();
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});
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it("passes any other failure straight on, untried", async () => {
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const post = vi.fn().mockRejectedValue(new Error("read ECONNRESET"));
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await expect(retryConnect({ post }).post("/auth/password-login")).rejects.toThrow("ECONNRESET");
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expect(post).toHaveBeenCalledTimes(1);
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});
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it("gives up after its last wait, with the connect error", async () => {
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vi.useFakeTimers();
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const get = vi.fn().mockRejectedValue(noConnection());
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const answer = retryConnect({ get }).get("/api/me");
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const settled = expect(answer).rejects.toThrow("ETIMEDOUT");
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await vi.runAllTimersAsync();
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await settled;
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expect(get).toHaveBeenCalledTimes(6); // the first try and five more
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vi.useRealTimers();
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});
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});
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// The text Playwright gave when this stopped a release's e2e at its first page load (2026-11-04).
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const noBuffer = () => new Error("page.goto: net::ERR_NO_BUFFER_SPACE at http://127.0.0.1:8080/");
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describe("gotoRetrying", () => {
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it("tries a page load the machine had no buffer for again", async () => {
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vi.useFakeTimers();
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const goto = vi.fn().mockRejectedValueOnce(noBuffer()).mockResolvedValue("response");
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const answer = gotoRetrying({ goto }, "/feed");
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await vi.runAllTimersAsync();
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await expect(answer).resolves.toBe("response");
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expect(goto).toHaveBeenCalledTimes(2);
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expect(goto).toHaveBeenLastCalledWith("/feed");
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vi.useRealTimers();
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});
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it("passes any other failure straight on, untried", async () => {
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const goto = vi.fn().mockRejectedValue(new Error("page.goto: net::ERR_CONNECTION_REFUSED"));
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await expect(gotoRetrying({ goto }, "/")).rejects.toThrow("ERR_CONNECTION_REFUSED");
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expect(goto).toHaveBeenCalledTimes(1);
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});
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it("gives up after its last wait, with the error", async () => {
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vi.useFakeTimers();
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const goto = vi.fn().mockRejectedValue(noBuffer());
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const settled = expect(gotoRetrying({ goto }, "/")).rejects.toThrow("ERR_NO_BUFFER_SPACE");
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await vi.runAllTimersAsync();
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await settled;
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expect(goto).toHaveBeenCalledTimes(6);
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vi.useRealTimers();
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});
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it("is the only way the suite loads a page", () => {
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const dir = new URL("../../e2e/", import.meta.url);
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const direct = readdirSync(dir)
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.filter((f) => f.endsWith(".ts") && f !== "retryConnect.ts")
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.filter((f) => /\.(goto|reload)\(/.test(readFileSync(new URL(f, dir), "utf-8")));
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expect(direct).toEqual([]);
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});
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});
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