yanchengPowerSupply/node_modules/pdfjs-dist/lib/test/unit/text_layer_spec.js

52 lines
2.1 KiB
JavaScript

/**
* @licstart The following is the entire license notice for the
* JavaScript code in this page
*
* Copyright 2022 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @licend The above is the entire license notice for the
* JavaScript code in this page
*/
"use strict";
var _text_layer = require("../../display/text_layer.js");
var _test_utils = require("./test_utils.js");
var _api = require("../../display/api.js");
var _is_node = require("../../shared/is_node.js");
describe("textLayer", function () {
it("creates textLayer from ReadableStream", async function () {
if (_is_node.isNodeJS) {
pending("document.createDocumentFragment is not supported in Node.js.");
}
const loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)("basicapi.pdf"));
const pdfDocument = await loadingTask.promise;
const page = await pdfDocument.getPage(1);
const textContentItemsStr = [];
const textLayerRenderTask = (0, _text_layer.renderTextLayer)({
textContentStream: page.streamTextContent(),
container: document.createDocumentFragment(),
viewport: page.getViewport(),
textContentItemsStr
});
expect(textLayerRenderTask instanceof _text_layer.TextLayerRenderTask).toEqual(true);
await textLayerRenderTask.promise;
expect(textContentItemsStr).toEqual(["Table Of Content", "", "Chapter 1", " ", "..........................................................", " ", "2", "", "Paragraph 1.1", " ", "......................................................", " ", "3", "", "page 1 / 3"]);
});
});