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9df819de39
Registers a process exit fallback that synchronously writes mouse, focus, bracketed paste, Kitty keyboard, and alternate-screen resets. closes #11170
41 lines
1.7 KiB
TypeScript
41 lines
1.7 KiB
TypeScript
import assert from "node:assert";
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import { spawnSync } from "node:child_process";
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import { describe, it } from "node:test";
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import { fileURLToPath } from "node:url";
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const fixture = fileURLToPath(new URL("./fixtures/exit-without-stop.ts", import.meta.url));
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function runFixture(mode: "exit" | "stop"): string {
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const result = spawnSync(process.execPath, [fixture, mode], {
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encoding: "utf8",
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env: { ...process.env, TMUX: undefined, STY: undefined, ZELLIJ: undefined, TERM: "xterm-256color" },
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stdio: ["pipe", "pipe", "pipe"],
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timeout: 10_000,
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});
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assert.equal(result.status, 0, result.stderr);
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return result.stdout;
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}
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function count(haystack: string, needle: string): number {
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return haystack.split(needle).length - 1;
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}
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// Regression for #11170: exit paths that skip stop() left mouse tracking, focus reporting,
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// the Kitty keyboard protocol, bracketed paste, and the alternate screen enabled.
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describe("terminal restore on process exit", () => {
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it("restores terminal modes when the process exits without stop()", () => {
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const output = runFixture("exit");
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for (const sequence of ["\x1b[?1006l", "\x1b[?1004l", "\x1b[?1003l", "\x1b[?1000l", "\x1b[<u", "\x1b[?2004l"]) {
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assert.equal(count(output, sequence), 1, JSON.stringify(sequence));
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}
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assert.ok(output.indexOf("\x1b[<u") < output.indexOf("\x1b[?1049l"), "Kitty pop must precede leaving alt screen");
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assert.ok(output.endsWith("\x1b[?1049l\x1b[?25h"));
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});
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it("does not restore twice after a normal stop()", () => {
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const output = runFixture("stop");
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for (const sequence of ["\x1b[?1006l", "\x1b[?1004l", "\x1b[<u", "\x1b[?2004l", "\x1b[?1049l"]) {
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assert.equal(count(output, sequence), 1, JSON.stringify(sequence));
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}
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});
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});
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