lobster/test/diff_last.test.ts
2026-05-04 01:56:15 +01:00

71 lines
1.8 KiB
TypeScript

import test from "node:test";
import assert from "node:assert/strict";
import os from "node:os";
import path from "node:path";
import { mkdtempSync } from "node:fs";
import { createDefaultRegistry } from "../src/commands/registry.js";
function streamOf(items) {
return (async function* () {
for (const item of items) yield item;
})();
}
test("diff.last reports changed on first run and not changed on same input", async () => {
const tmp = mkdtempSync(path.join(os.tmpdir(), "lobster-diff-"));
const env = { ...process.env, LOBSTER_STATE_DIR: tmp };
const registry = createDefaultRegistry();
const cmd = registry.get("diff.last");
const first = await cmd.run({
input: streamOf([{ a: 1 }]),
args: { _: [], key: "k" },
ctx: {
stdin: process.stdin,
stdout: process.stdout,
stderr: process.stderr,
env,
registry,
mode: "tool",
render: { json() {}, lines() {} },
},
});
const out1 = [];
for await (const it of first.output) out1.push(it);
assert.equal(out1[0].changed, true);
const second = await cmd.run({
input: streamOf([{ a: 1 }]),
args: { _: [], key: "k" },
ctx: {
stdin: process.stdin,
stdout: process.stdout,
stderr: process.stderr,
env,
registry,
mode: "tool",
render: { json() {}, lines() {} },
},
});
const out2 = [];
for await (const it of second.output) out2.push(it);
assert.equal(out2[0].changed, false);
const third = await cmd.run({
input: streamOf([{ a: 2 }]),
args: { _: [], key: "k" },
ctx: {
stdin: process.stdin,
stdout: process.stdout,
stderr: process.stderr,
env,
registry,
mode: "tool",
render: { json() {}, lines() {} },
},
});
const out3 = [];
for await (const it of third.output) out3.push(it);
assert.equal(out3[0].changed, true);
});