57 lines
2.5 KiB
JavaScript
57 lines
2.5 KiB
JavaScript
const { test } = require('node:test');
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const assert = require('node:assert');
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const { selectOrphanTmps } = require('../lib/orphan-tmp');
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const BASE = 'electron-config.json';
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const aliveSet = new Set([100, 200]);
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const isAlive = (pid) => aliveSet.has(pid);
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test('selects only dead-pid <base>.<pid>.tmp orphans', () => {
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const files = [
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'electron-config.json',
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'electron-config.json.bak',
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'electron-config.json.tmp',
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'electron-config.json.100.tmp',
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'electron-config.json.200.tmp',
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'electron-config.json.999.tmp',
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'electron-config.json.4242.tmp',
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'something-else.500.tmp',
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'electron-config.json.abc.tmp'
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];
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const orphans = selectOrphanTmps(files, { baseName: BASE, currentPid: 7, isAlive });
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assert.deepEqual(orphans.sort(), ['electron-config.json.4242.tmp', 'electron-config.json.999.tmp']);
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});
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test('never selects the current process tmp', () => {
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const files = ['electron-config.json.7.tmp'];
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assert.deepEqual(selectOrphanTmps(files, { baseName: BASE, currentPid: 7, isAlive: () => false }), []);
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});
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test('never selects the FIXED <base>.tmp (used by async _atomicWrite)', () => {
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const files = ['electron-config.json.tmp'];
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assert.deepEqual(selectOrphanTmps(files, { baseName: BASE, currentPid: 7, isAlive: () => false }), []);
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});
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test('never selects the live config or its .bak', () => {
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const files = ['electron-config.json', 'electron-config.json.bak'];
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assert.deepEqual(selectOrphanTmps(files, { baseName: BASE, currentPid: 7, isAlive: () => false }), []);
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});
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test('alive pid (incl. EPERM-as-alive) is skipped, preventing deletion of a concurrent instance tmp', () => {
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const files = ['electron-config.json.100.tmp', 'electron-config.json.300.tmp'];
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const orphans = selectOrphanTmps(files, { baseName: BASE, currentPid: 7, isAlive: (p) => p === 100 });
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assert.deepEqual(orphans, ['electron-config.json.300.tmp']);
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});
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test('robust to junk / missing inputs', () => {
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assert.deepEqual(selectOrphanTmps(null, { baseName: BASE, currentPid: 1, isAlive }), []);
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assert.deepEqual(selectOrphanTmps(['x', 42, null, undefined], { baseName: BASE, currentPid: 1, isAlive }), []);
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assert.deepEqual(selectOrphanTmps(['electron-config.json.5.tmp'], {}), []);
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assert.deepEqual(selectOrphanTmps(['electron-config.json.5.tmp'], { baseName: '', currentPid: 1, isAlive }), []);
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});
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test('does not match a different base that shares a prefix', () => {
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const files = ['electron-config.json.backup.5.tmp'];
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assert.deepEqual(selectOrphanTmps(files, { baseName: BASE, currentPid: 7, isAlive: () => false }), []);
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});
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