Ensuring node modules are up to date for running
This commit is contained in:
Drew Heavner
GitHub
232
node_modules/@nodelib/fs.walk/src/readers/async.spec.ts
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232
node_modules/@nodelib/fs.walk/src/readers/async.spec.ts
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import * as assert from 'assert';
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import * as path from 'path';
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import * as fsScandir from '@nodelib/fs.scandir';
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import * as sinon from 'sinon';
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import Settings from '../settings';
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import * as tests from '../tests';
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import { Entry } from '../types';
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import AsyncReader from './async';
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type ScandirSignature = typeof fsScandir.scandir;
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class TestReader extends AsyncReader {
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protected readonly _scandir: ScandirSignature = sinon.stub() as unknown as ScandirSignature;
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constructor(_root: string, _settings: Settings = new Settings()) {
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super(_root, _settings);
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}
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public get scandir(): sinon.SinonStub {
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return this._scandir as unknown as sinon.SinonStub;
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}
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}
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describe('Readers → Async', () => {
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describe('.read', () => {
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it('should emit "error" event when the first call of scandir is broken', (done) => {
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const reader = new TestReader('non-exist-directory');
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reader.scandir.yields(tests.EPERM_ERRNO);
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reader.onError((error) => {
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assert.ok(error);
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done();
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});
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reader.read();
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});
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it('should emit "end" event when the first call of scandir is broken but this error can be suppressed', (done) => {
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const settings = new Settings({
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errorFilter: (error) => error.code === 'EPERM'
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});
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const reader = new TestReader('non-exist-directory', settings);
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reader.scandir.yields(tests.EPERM_ERRNO);
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reader.onEnd(() => {
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done();
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});
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reader.read();
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});
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it('should do not emit events after first broken scandir call', (done) => {
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const reader = new TestReader('directory');
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const firstFakeDirectoryEntry = tests.buildFakeDirectoryEntry({ name: 'a', path: 'directory/a' });
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const secondFakeDirectoryEntry = tests.buildFakeDirectoryEntry({ name: 'b', path: 'directory/b' });
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reader.scandir.onFirstCall().yields(null, [firstFakeDirectoryEntry, secondFakeDirectoryEntry]);
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reader.scandir.onSecondCall().yieldsAsync(tests.EPERM_ERRNO);
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reader.scandir.onThirdCall().yieldsAsync(tests.EPERM_ERRNO);
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/**
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* If the behavior is broken, then a third scandir call will trigger an unhandled error.
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*/
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reader.onError((error) => {
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assert.ok(error);
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done();
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});
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reader.read();
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});
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it('should return entries', (done) => {
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const reader = new TestReader('directory');
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const fakeDirectoryEntry = tests.buildFakeDirectoryEntry();
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const fakeFileEntry = tests.buildFakeFileEntry();
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reader.scandir.onFirstCall().yields(null, [fakeDirectoryEntry]);
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reader.scandir.onSecondCall().yields(null, [fakeFileEntry]);
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const entries: Entry[] = [];
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reader.onEntry((entry) => entries.push(entry));
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reader.onEnd(() => {
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assert.deepStrictEqual(entries, [fakeDirectoryEntry, fakeFileEntry]);
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done();
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});
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reader.read();
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});
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it('should push to results only directories', (done) => {
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const settings = new Settings({ entryFilter: (entry) => !entry.dirent.isFile() });
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const reader = new TestReader('directory', settings);
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const fakeDirectoryEntry = tests.buildFakeDirectoryEntry();
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const fakeFileEntry = tests.buildFakeFileEntry();
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reader.scandir.onFirstCall().yields(null, [fakeDirectoryEntry]);
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reader.scandir.onSecondCall().yields(null, [fakeFileEntry]);
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const entries: Entry[] = [];
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reader.onEntry((entry) => entries.push(entry));
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reader.onEnd(() => {
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assert.deepStrictEqual(entries, [fakeDirectoryEntry]);
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done();
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});
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reader.read();
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});
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it('should do not read root directory', (done) => {
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const settings = new Settings({ deepFilter: () => false });
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const reader = new TestReader('directory', settings);
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const fakeDirectoryEntry = tests.buildFakeDirectoryEntry();
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const fakeFileEntry = tests.buildFakeFileEntry();
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reader.scandir.onFirstCall().yields(null, [fakeDirectoryEntry]);
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reader.scandir.onSecondCall().yields(null, [fakeFileEntry]);
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const entries: Entry[] = [];
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reader.onEntry((entry) => entries.push(entry));
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reader.onEnd(() => {
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assert.deepStrictEqual(entries, [fakeDirectoryEntry]);
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done();
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});
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reader.read();
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});
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it('should set base path to entry when the `basePath` option is exist', (done) => {
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const settings = new Settings({ basePath: 'base' });
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const reader = new TestReader('directory', settings);
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const fakeDirectoryEntry = tests.buildFakeDirectoryEntry();
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const fakeFileEntry = tests.buildFakeFileEntry();
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reader.scandir.onFirstCall().yields(null, [fakeDirectoryEntry]);
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reader.scandir.onSecondCall().yields(null, [fakeFileEntry]);
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const entries: Entry[] = [];
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reader.onEntry((entry) => entries.push(entry));
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reader.onEnd(() => {
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assert.strictEqual(entries[0].path, path.join('base', fakeDirectoryEntry.name));
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assert.strictEqual(entries[1].path, path.join('base', 'fake', fakeFileEntry.name));
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done();
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});
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reader.read();
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});
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it('should set base path to entry when the `basePath` option is exist and value is an empty string', (done) => {
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const settings = new Settings({ basePath: '' });
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const reader = new TestReader('directory', settings);
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const fakeDirectoryEntry = tests.buildFakeDirectoryEntry();
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const fakeFileEntry = tests.buildFakeFileEntry();
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reader.scandir.onFirstCall().yields(null, [fakeDirectoryEntry]);
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reader.scandir.onSecondCall().yields(null, [fakeFileEntry]);
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const entries: Entry[] = [];
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reader.onEntry((entry) => entries.push(entry));
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reader.onEnd(() => {
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assert.strictEqual(entries[0].path, path.join(fakeDirectoryEntry.name));
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assert.strictEqual(entries[1].path, path.join('fake', fakeFileEntry.name));
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done();
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});
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reader.read();
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});
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});
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describe('.destroy', () => {
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it('should do not emit entries after destroy', (done) => {
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const reader = new TestReader('directory');
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const firstFakeDirectoryEntry = tests.buildFakeDirectoryEntry({ name: 'a', path: 'directory/a' });
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const fakeFileEntry = tests.buildFakeFileEntry();
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reader.scandir.onFirstCall().yields(null, [firstFakeDirectoryEntry]);
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reader.scandir.onSecondCall().yields(null, [fakeFileEntry]);
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reader.onEntry((entry) => {
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if (entry.name === 'a') {
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reader.destroy();
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} else {
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assert.fail('should do not emit entries after destroy');
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}
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});
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reader.onEnd(() => {
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done();
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});
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reader.read();
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});
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it('should mark stream as "destroyed" after first destroy', () => {
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const reader = new TestReader('directory');
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reader.destroy();
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assert.ok(reader.isDestroyed);
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});
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it('should throw an error when trying to destroy reader twice', () => {
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const reader = new TestReader('directory');
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const expectedErrorMessageRe = /The reader is already destroyed/;
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reader.destroy();
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assert.throws(() => reader.destroy(), expectedErrorMessageRe);
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});
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});
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});
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