christianandClaude Opus 5.5
8dc5194438
- save() follows symlinks, keeps permissions, uses a unique temp file and cleans it up on failure
- load() rejects entries that aren't {id, text, done}
- add() finds the max id with reduce (no spread limit)
- CLI accepts only plain digits as ids and reports save errors readably
- Ignore *.tmp
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
88 lines
2.9 KiB
JavaScript
88 lines
2.9 KiB
JavaScript
import { test } from "node:test";
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import assert from "node:assert/strict";
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import { spawnSync } from "node:child_process";
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import { mkdtempSync, writeFileSync, readFileSync, existsSync, chmodSync } from "node:fs";
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import { tmpdir } from "node:os";
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import { join, dirname } from "node:path";
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import { fileURLToPath } from "node:url";
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const CLI = fileURLToPath(new URL("../src/cli.js", import.meta.url));
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function run(file, ...args) {
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return spawnSync(process.execPath, [CLI, ...args], {
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env: { ...process.env, TODO_FILE: file },
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encoding: "utf8",
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});
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}
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const tempFile = () => join(mkdtempSync(join(tmpdir(), "todo-")), "todos.json");
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test("ls with no file prints the empty message and writes nothing", () => {
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const file = tempFile();
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const res = run(file, "ls");
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assert.equal(res.status, 0);
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assert.equal(res.stdout.trim(), "Nothing to do.");
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assert.equal(existsSync(file), false);
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});
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test("add with no text fails without saving", () => {
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const file = tempFile();
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const res = run(file, "add", " ");
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assert.equal(res.status, 1);
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assert.match(res.stderr, /Missing todo text/);
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assert.equal(existsSync(file), false);
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});
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for (const [label, args, message] of [
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["missing id", [], /Invalid id: \(missing\)/],
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["non-numeric id", ["abc"], /Invalid id: abc/],
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["hex id", ["0x1"], /Invalid id: 0x1/],
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["exponent id", ["1e0"], /Invalid id: 1e0/],
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["decimal id", ["1.0"], /Invalid id: 1\.0/],
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["padded id", [" 1 "], /Invalid id: 1 /],
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["empty id", [""], /Invalid id: \n/],
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["unknown id", ["99"], /No todo with id 99/],
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]) {
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for (const cmd of ["done", "rm"]) {
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test(`${cmd} with ${label} fails and leaves the file unchanged`, () => {
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const file = tempFile();
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run(file, "add", "a");
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const before = readFileSync(file, "utf8");
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const res = run(file, cmd, ...args);
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assert.equal(res.status, 1);
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assert.match(res.stderr, message);
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assert.equal(readFileSync(file, "utf8"), before);
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});
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}
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}
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test("unknown command prints usage even when the file is corrupt", () => {
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const file = tempFile();
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writeFileSync(file, "{ not json");
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const res = run(file, "--help");
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assert.equal(res.status, 1);
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assert.match(res.stderr, /Unknown command: --help\nUsage:/);
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});
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test("a failed save gives a readable error instead of a stack trace", () => {
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const file = tempFile();
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chmodSync(dirname(file), 0o500);
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try {
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const res = run(file, "add", "a");
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assert.equal(res.status, 1);
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assert.match(res.stderr, /^Could not save /);
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assert.doesNotMatch(res.stderr, /at .*\.js:\d+/);
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} finally {
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chmodSync(dirname(file), 0o700);
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}
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});
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test("a corrupt file gives a readable error instead of a stack trace", () => {
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const file = tempFile();
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writeFileSync(file, "{ not json");
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const res = run(file, "ls");
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assert.equal(res.status, 1);
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assert.match(res.stderr, /^Could not read /);
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assert.doesNotMatch(res.stderr, /at .*\.js:\d+/);
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});
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