chrome-devtools-frontend

// Copyright 2023 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import * as Platform from '../../core/platform/platform.js'; import * as TextUtils from './text_utils.js'; describe('ContentData', () => { const {ContentData} = TextUtils.ContentData; type ContentDataOrError = TextUtils.ContentData.ContentDataOrError; const {MimeType} = Platform.MimeType; it('throws an error when trying to encode text content into base64', () => { const contentData = new ContentData('a simple text', false, MimeType.HTML); assert.throws(() => contentData.base64); }); it('decodes text based on the provided encoding', () => { const contentData = new ContentData( '//48ACEARABPAEMAVABZAFAARQAgAGgAdABtAGwAPgAKADwAcAA+AEkA8QB0AOsAcgBuAOIAdABpAPQAbgDgAGwAaQB6AOYAdABpAPgAbgADJjTYBt88AC8AcAA+AAoA', true, MimeType.HTML, 'utf-16'); assert.strictEqual(contentData.text, '<!DOCTYPE html>\nIñtërnâtiônàlizætiøn☃𝌆\n'); }); it('throws an error when trying to decode data not considered text content', () => { const contentData = new ContentData('AQIDBA==', true, 'application/wasm'); assert.throws(() => contentData.text); }); it('treats an empty string for charset as utf-8', () => { const contentData = new ContentData( 'PCFET0NUWVBFIGh0bWw+CjxwPknDsXTDq3Juw6J0acO0bsOgbGl6w6Z0acO4buKYg/CdjIY8L3A+Cg==', true, MimeType.HTML, ''); assert.strictEqual(contentData.text, '<!DOCTYPE html>\nIñtërnâtiônàlizætiøn☃𝌆\n'); }); it('falls back to default mime types if none is provided', () => { const textData = new ContentData('foo', false, ''); assert.strictEqual(textData.mimeType, 'text/plain'); const binaryData = new ContentData('AQIDBA==', true, ''); assert.strictEqual(binaryData.mimeType, 'application/octet-stream'); }); it('converts to a data URL', () => { const textContent = new ContentData('a simple text', false, MimeType.HTML); assert.strictEqual(textContent.asDataUrl(), 'data:text/html;charset=utf-8,a%20simple%20text'); const binaryData = new ContentData('AQIDBA==', true, 'application/wasm'); assert.strictEqual(binaryData.asDataUrl(), 'data:application/wasm;base64,AQIDBA=='); const textAsBase64Utf16 = new ContentData( '//48ACEARABPAEMAVABZAFAARQAgAGgAdABtAGwAPgAKADwAcAA+AEkA8QB0AOsAcgBuAOIAdABpAPQAbgDgAGwAaQB6AOYAdABpAPgAbgADJjTYBt88AC8AcAA+AAoA', true, MimeType.HTML, 'utf-16'); assert.strictEqual( textAsBase64Utf16.asDataUrl(), 'data:text/html;charset=utf-16;base64,//48ACEARABPAEMAVABZAFAARQAgAGgAdABtAGwAPgAKADwAcAA+AEkA8QB0AOsAcgBuAOIAdABpAPQAbgDgAGwAaQB6AOYAdABpAPgAbgADJjTYBt88AC8AcAA+AAoA'); }); it('does include utf-8 charset for already decoded text in the data URL', () => { const textWithCharsetContent = new ContentData('a simple text', false, MimeType.HTML, 'utf-16'); assert.strictEqual(textWithCharsetContent.asDataUrl(), 'data:text/html;charset=utf-8,a%20simple%20text'); }); it('converts to DeferredContent', () => { const textContent = new ContentData('a simple text', false, MimeType.HTML); const deferredTextContent = textContent.asDeferedContent(); assert.isFalse(deferredTextContent.isEncoded); assert.strictEqual(deferredTextContent.content, 'a simple text'); const binaryData = new ContentData('AQIDBA==', true, 'application/wasm'); const deferredBinaryData = binaryData.asDeferedContent(); assert.isTrue(deferredBinaryData.isEncoded); assert.strictEqual(deferredBinaryData.content, 'AQIDBA=='); const binaryTextData = new ContentData( 'PCFET0NUWVBFIGh0bWw+CjxwPknDsXTDq3Juw6J0acO0bsOgbGl6w6Z0acO4buKYg/CdjIY8L3A+Cg==', true, MimeType.HTML, 'utf-8'); const deferredBinaryTextData = binaryTextData.asDeferedContent(); assert.isFalse(deferredBinaryTextData.isEncoded); assert.strictEqual(deferredBinaryTextData.content, '<!DOCTYPE html>\nIñtërnâtiônàlizætiøn☃𝌆\n'); const unknownTextData = new ContentData('foobar', false, 'some/weird-text-mime'); const deferredUnknownTextData = unknownTextData.asDeferedContent(); assert.isFalse(deferredUnknownTextData.isEncoded); assert.strictEqual(deferredUnknownTextData.content, 'foobar'); }); it('converts ContentDataOrError to DeferredContent', () => { const textContent: ContentDataOrError = new ContentData('a simple text', false, MimeType.HTML); const deferredTextContent = ContentData.asDeferredContent(textContent); assert.isFalse(deferredTextContent.isEncoded); assert.strictEqual(deferredTextContent.content, 'a simple text'); const error: ContentDataOrError = {error: 'something went wrong'}; const deferedErrorContent = ContentData.asDeferredContent(error); // TypeScript somehow doesn't think DeferredContent.error is a thing. assert.property(deferedErrorContent, 'error'); assert.propertyVal(deferedErrorContent, 'error', 'something went wrong'); }); describe('contentEqualTo', () => { it('ignores mime type', () => { const textContent1 = new ContentData('a simple text', false, MimeType.HTML); const textContent2 = new ContentData('a simple text', false, MimeType.CSS); assert.isTrue(textContent1.contentEqualTo(textContent2)); }); it('ignores charset', () => { // Charset is only used for decoding, so creating a text ContentData with non-utf8 is fine. const textContent1 = new ContentData('a simple text', false, MimeType.PLAIN, 'utf-8'); const textContent2 = new ContentData('a simple text', false, MimeType.PLAIN, 'utf-16'); assert.isTrue(textContent1.contentEqualTo(textContent2)); }); it('compares content accurately', () => { const textContent1 = new ContentData('a simple text', false, MimeType.PLAIN); const textContent2 = new ContentData('another text', false, MimeType.PLAIN); const textContent3 = new ContentData('another text', false, MimeType.PLAIN); assert.isFalse(textContent1.contentEqualTo(textContent2)); assert.isFalse(textContent1.contentEqualTo(textContent3)); assert.isTrue(textContent2.contentEqualTo(textContent3)); const binaryContent1 = new ContentData('AQIDBA==', true, 'application/wasm'); const binaryContent2 = new ContentData('AGFzbQEAAAA=', true, 'application/wasm'); const binaryContent3 = new ContentData('AQIDBA==', true, 'application/wasm'); assert.isFalse(binaryContent1.contentEqualTo(binaryContent2)); assert.isTrue(binaryContent1.contentEqualTo(binaryContent3)); assert.isFalse(binaryContent2.contentEqualTo(binaryContent3)); }); it('compares content when one is text and the other is binary', () => { const content1 = new ContentData( 'PCFET0NUWVBFIGh0bWw+CjxwPknDsXTDq3Juw6J0acO0bsOgbGl6w6Z0acO4buKYg/CdjIY8L3A+Cg==', true, MimeType.HTML); const content2 = new ContentData('<!DOCTYPE html>\nIñtërnâtiônàlizætiøn☃𝌆\n', false, MimeType.HTML); assert.isTrue(content1.contentEqualTo(content2)); }); }); describe('isTextContent', () => { it('returns true for binary mime types if it was created with text data', () => { const content = new ContentData('a simple text', false, 'application/octet-stream', 'utf-8'); assert.isTrue(content.isTextContent); }); }); });