Files
sproutclaw/packages/tui/test/terminal.test.ts
2026-04-15 18:43:37 +02:00

77 lines
3.0 KiB
TypeScript

import assert from "node:assert";
import { describe, it } from "node:test";
import { ProcessTerminal } from "../src/terminal.js";
function withEnv(name: string, value: string | undefined, fn: () => void): void {
const previous = process.env[name];
if (value === undefined) delete process.env[name];
else process.env[name] = value;
try {
fn();
} finally {
if (previous === undefined) delete process.env[name];
else process.env[name] = previous;
}
}
describe("ProcessTerminal", () => {
it("should skip the Kitty query inside Zellij and enable modifyOtherKeys immediately", () => {
const terminal = new ProcessTerminal();
const writes: string[] = [];
const stdinOnCalls: Array<{ event: string | symbol; listener: (...args: unknown[]) => void }> = [];
const stdinRemoveCalls: Array<{ event: string | symbol; listener: (...args: unknown[]) => void }> = [];
const stdoutRemoveCalls: Array<{ event: string | symbol; listener: (...args: unknown[]) => void }> = [];
const originalStdoutWrite = process.stdout.write;
const originalStdinOn = process.stdin.on;
const originalStdinRemoveListener = process.stdin.removeListener;
const originalStdinPause = process.stdin.pause;
const originalStdoutRemoveListener = process.stdout.removeListener;
process.stdout.write = ((chunk: string | Uint8Array) => {
writes.push(typeof chunk === "string" ? chunk : Buffer.from(chunk).toString("utf8"));
return true;
}) as typeof process.stdout.write;
process.stdin.on = ((event: string | symbol, listener: (...args: unknown[]) => void) => {
stdinOnCalls.push({ event, listener });
return process.stdin;
}) as typeof process.stdin.on;
process.stdin.removeListener = ((event: string | symbol, listener: (...args: unknown[]) => void) => {
stdinRemoveCalls.push({ event, listener });
return process.stdin;
}) as typeof process.stdin.removeListener;
process.stdin.pause = (() => process.stdin) as typeof process.stdin.pause;
process.stdout.removeListener = ((event: string | symbol, listener: (...args: unknown[]) => void) => {
stdoutRemoveCalls.push({ event, listener });
return process.stdout;
}) as typeof process.stdout.removeListener;
try {
withEnv("ZELLIJ", "1", () => {
(
terminal as unknown as {
queryAndEnableKittyProtocol(): void;
}
).queryAndEnableKittyProtocol();
});
assert.deepStrictEqual(writes, ["\x1b[>4;2m"]);
assert.strictEqual(stdinOnCalls.length, 1);
assert.strictEqual(stdinOnCalls[0]?.event, "data");
terminal.stop();
assert.deepStrictEqual(writes, ["\x1b[>4;2m", "\x1b[?2004l", "\x1b[>4;0m"]);
assert.strictEqual(stdinRemoveCalls.length, 1);
assert.strictEqual(stdinRemoveCalls[0]?.event, "data");
assert.strictEqual(stdoutRemoveCalls.length, 0);
} finally {
process.stdout.write = originalStdoutWrite;
process.stdin.on = originalStdinOn;
process.stdin.removeListener = originalStdinRemoveListener;
process.stdin.pause = originalStdinPause;
process.stdout.removeListener = originalStdoutRemoveListener;
}
});
});