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import fs from 'fs';
import * as Path from 'node:path';
import * as os from 'node:os';
import { Executable, XUtil } from '../../utils';
import { CMap, CoreCachedFc, CoreSemaphor, CoreTimeCache } from '../../classes';
import { DefaultLogger } from '../../modules';
export default function jestUtils() {
describe('utils', () => {
test('exec', async () => {
const cmd = await XUtil.exec('echo', ['helloWorld'], { shell: true });
expect(cmd.exitCode === null || cmd.exitCode === 0).toBeTruthy();
});
test('CoreSemaphor', async () => {
const sem = new CoreSemaphor(1);
expect(sem.hasFree()).toBeTruthy();
const free = await sem.request();
expect(sem.hasFree()).toBeFalsy();
free();
expect(sem.hasFree()).toBeTruthy();
});
test('CoreCachedFC', async () => {
let counter = 0;
const cached = new CoreCachedFc(2000, async () => {
counter += 1;
return counter;
});
let res = await cached.get();
expect(res).toBe(1);
res = await cached.get();
expect(res).toBe(1);
await XUtil.sleep(2000);
res = await cached.get();
expect(res).toBe(2);
});
test('CoreTimeCache', async () => {
const cached = new CoreTimeCache<{ a: number }>(
'test',
{
getLogger: () => new DefaultLogger(),
},
500,
);
cached.set('123', { a: 1 }, 1000);
expect(cached.get('123')?.a).toBe(1);
cached.extend('123', 500);
await XUtil.sleep(2500);
expect(cached.get('123')?.a).toBeUndefined();
cached.set('123', { a: 1 }, 1000);
expect(cached.has('123')).toBeTruthy();
cached.flash();
expect(cached.get('123')?.a).toBeUndefined();
cached.set('123', { a: 1 }, 1000);
expect(cached.has('123')).toBeTruthy();
cached.delete('123');
expect(cached.get('123')?.a).toBeUndefined();
cached.stop();
});
test('CMap', async () => {
let map = new CMap<string, number>();
map.set('fist', 0);
map.set('second', 1);
expect(map.toKeyArray()).toHaveLength(2);
expect(map.toValueArray()).toHaveLength(2);
expect(map.map((x) => x)).toHaveLength(2);
map.clear();
expect(map.size).toBe(0);
map = new CMap<string, number>([
['first', 1],
['first', 1],
['sec', 2],
['third', 3],
]);
expect(map.size).toBe(3);
for (const [k, v] of map) {
expect(v).toBe(map.get(k));
}
expect(map.values()).toBeDefined();
expect(map.has('no')).toBeFalsy();
expect(map.has('first')).toBeTruthy();
expect(map[Symbol.iterator]()).toBeDefined();
expect(map.keys()).toBeDefined();
expect(map.entries()).toBeDefined();
map.deleteSelected((value) => {
return value > 1;
});
expect(map.size).toBe(1);
expect(
map.merge(
new CMap<string, number>([
['first', 2],
['second', 3],
]),
).size,
).toBe(2);
expect(
map.merge(
new CMap<string, number>([
['first', 4],
['second', 5],
]),
true,
).size,
).toBe(2);
expect(map.get('first')).toBe(2);
});
test('numPrint - single digit gets leading zero', () => {
expect(XUtil.numPrint(5)).toBe('05');
expect(XUtil.numPrint(0)).toBe('00');
expect(XUtil.numPrint(9)).toBe('09');
});
test('numPrint - double digit stays as-is', () => {
expect(XUtil.numPrint(10)).toBe('10');
expect(XUtil.numPrint(99)).toBe('99');
});
test('getTimeStamp returns formatted string', () => {
const ts = XUtil.getTimeStamp();
expect(typeof ts).toBe('string');
expect(ts).toMatch(/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/);
});
test('workerFactoryFromArray processes all items', async () => {
const arr = [1, 2, 3, 4, 5];
const result = await XUtil.workerFactoryFromArray(
2,
arr,
async (item) => ({
i: item.i,
dat: item.dat * 2,
}),
);
expect(result).toHaveLength(5);
expect(result.sort((a, b) => a - b)).toEqual([2, 4, 6, 8, 10]);
});
test('workerFactoryFromArray - empty array', async () => {
const result = await XUtil.workerFactoryFromArray(
2,
[],
async (item) => ({
i: item.i,
dat: item.dat,
}),
);
expect(result).toHaveLength(0);
});
test('workerFactoryWithProducer processes items', async () => {
const items = [10, 20, 30];
let idx = 0;
const result = await XUtil.workerFactoryWithProducer(
2,
async () => {
const cur = idx++;
if (cur >= items.length) return null;
return { i: cur, dat: items[cur] };
},
async (item) => ({ i: item.i, dat: item.dat + 1 }),
);
expect(result).toHaveLength(3);
});
test('calcDirSize - sums file sizes recursively', async () => {
const tmpDir = fs.mkdtempSync(Path.join(os.tmpdir(), 'xutil-test-'));
fs.writeFileSync(Path.join(tmpDir, 'a.txt'), 'hello');
const sub = Path.join(tmpDir, 'sub');
fs.mkdirSync(sub);
fs.writeFileSync(Path.join(sub, 'b.txt'), 'world!');
const size = await XUtil.calcDirSize(tmpDir);
expect(size).toBeGreaterThan(0);
fs.rmSync(tmpDir, { recursive: true, force: true });
});
test('calcDirSize - excludes specified entries', async () => {
const tmpDir = fs.mkdtempSync(Path.join(os.tmpdir(), 'xutil-test-'));
fs.writeFileSync(Path.join(tmpDir, 'keep.txt'), 'keep');
fs.writeFileSync(Path.join(tmpDir, 'skip.txt'), 'skip this file');
const sizeWithout = await XUtil.calcDirSize(tmpDir, ['skip.txt']);
const sizeFull = await XUtil.calcDirSize(tmpDir);
expect(sizeFull).toBeGreaterThan(sizeWithout);
fs.rmSync(tmpDir, { recursive: true, force: true });
});
test('getEntityNames - throws for object without Entity metadata', () => {
expect(() => XUtil.getEntityNames({} as any)).toThrow('InvalidClassMeta');
});
describe('Executable callbacks', () => {
test('onStdOut callback receives data', async () => {
const received: string[] = [];
const exe = new Executable('echo', {
shell: true,
onStdOut: (d) => received.push(d),
});
const result = await exe.run(['hello_callback']);
expect(result.exitCode === null || result.exitCode === 0).toBe(true);
expect(received.length).toBeGreaterThan(0);
});
test('onStdErr callback receives data on error', async () => {
const received: string[] = [];
const exe = new Executable('ls', {
shell: true,
onStdErr: (d) => received.push(d),
});
const result = await exe.run(['/nonexistent_path_xyz_abc']);
expect(result.error).toBe(true);
expect(received.length).toBeGreaterThan(0);
});
});
});
}
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