166 lines
7.9 KiB
JavaScript
166 lines
7.9 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const assert = require("assert");
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const path = require("path");
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const sinon = require("sinon");
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const settings_1 = require("../settings");
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const tests = require("../tests");
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const async_1 = require("./async");
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class TestReader extends async_1.default {
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constructor(_root, _settings = new settings_1.default()) {
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super(_root, _settings);
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this._scandir = sinon.stub();
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}
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get scandir() {
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return this._scandir;
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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_1.default({
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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 = [];
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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_1.default({ 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 = [];
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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_1.default({ 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 = [];
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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_1.default({ 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 = [];
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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_1.default({ 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 = [];
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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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}
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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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