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timvandermeijtimvandermeij
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Merge pull request #20941 from calixteman/simple_viewer_test
Add an integration test for the simple viewer
2 parents 869f25a + 741649c commit 6c19752

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‎test/components/simple-viewer.html‎

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<!doctype html>
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<!--
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Copyright 2026 Mozilla Foundation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<html dir="ltr" mozdisallowselectionprint lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" />
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<title>PDF.js — Simple viewer</title>
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<style>
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body {
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background-color: #808080;
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margin: 0;
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padding: 0;
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}
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#viewerContainer {
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overflow: auto;
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position: absolute;
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width: 100%;
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height: 100%;
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}
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</style>
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<link rel="resource" type="application/l10n" href="../../web/locale/locale.json" />
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<link rel="stylesheet" href="../../web/pdf_viewer.css" />
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<script type="importmap">
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{
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"imports": {
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"pdfjs/": "../../src/",
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"pdfjs-lib": "../../src/pdf.js",
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"display-cmap_reader_factory": "../../src/display/cmap_reader_factory.js",
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"display-standard_fontdata_factory": "../../src/display/standard_fontdata_factory.js",
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"display-wasm_factory": "../../src/display/wasm_factory.js",
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"display-fetch_stream": "../../src/display/fetch_stream.js",
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"display-network": "../../src/display/network.js",
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"display-node_stream": "../../src/display/stubs.js",
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"display-node_utils": "../../src/display/stubs.js",
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"fluent-bundle": "../../node_modules/@fluent/bundle/esm/index.js",
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"fluent-dom": "../../node_modules/@fluent/dom/esm/index.js",
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"cached-iterable": "../../node_modules/cached-iterable/src/index.mjs",
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"web-null_l10n": "../../web/genericl10n.js"
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}
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}
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</script>
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<script src="simple-viewer.js" type="module"></script>
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</head>
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<body tabindex="1">
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<div id="viewerContainer">
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<div id="viewer" class="pdfViewer"></div>
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</div>
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</body>
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</html>

‎test/components/simple-viewer.js‎

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/* Copyright 2026 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { getDocument, GlobalWorkerOptions } from "pdfjs-lib";
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import { EventBus } from "../../web/event_utils.js";
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import { GenericL10n } from "../../web/genericl10n.js";
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import { PDFFindController } from "../../web/pdf_find_controller.js";
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import { PDFLinkService } from "../../web/pdf_link_service.js";
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import { PDFScriptingManager } from "../../web/pdf_scripting_manager.js";
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import { PDFViewer } from "../../web/pdf_viewer.js";
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// The workerSrc property shall be specified.
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//
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GlobalWorkerOptions.workerSrc =
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typeof PDFJSDev === "undefined"
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? "../../src/pdf.worker.js"
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: "../../build/pdf.worker.mjs";
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// Some PDFs need external cmaps.
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//
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const CMAP_URL =
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typeof PDFJSDev === "undefined"
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? "../../external/bcmaps/"
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: "../../web/cmaps/";
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const DEFAULT_URL = "../../web/compressed.tracemonkey-pldi-09.pdf";
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const ENABLE_XFA = true;
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const SEARCH_FOR = ""; // try "Mozilla";
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const SANDBOX_BUNDLE_SRC = new URL(
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typeof PDFJSDev === "undefined"
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? "../../src/pdf.sandbox.js"
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: "../../build/pdf.sandbox.mjs",
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window.location
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);
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const fileUrl = new URLSearchParams(location.search).get("file") ?? DEFAULT_URL;
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const container = document.getElementById("viewerContainer");
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const eventBus = new EventBus();
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// (Optionally) enable hyperlinks within PDF files.
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const pdfLinkService = new PDFLinkService({
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eventBus,
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});
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// (Optionally) enable find controller.
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const pdfFindController = new PDFFindController({
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eventBus,
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linkService: pdfLinkService,
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});
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// (Optionally) enable scripting support.
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const pdfScriptingManager = new PDFScriptingManager({
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eventBus,
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sandboxBundleSrc: SANDBOX_BUNDLE_SRC,
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});
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const pdfViewer = new PDFViewer({
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container,
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eventBus,
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l10n: new GenericL10n(navigator.language),
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linkService: pdfLinkService,
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findController: pdfFindController,
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scriptingManager: pdfScriptingManager,
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});
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pdfLinkService.setViewer(pdfViewer);
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pdfScriptingManager.setViewer(pdfViewer);
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eventBus.on("pagesinit", function () {
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// We can use pdfViewer now, e.g. let's change default scale.
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pdfViewer.currentScaleValue = "page-width";
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// We can try searching for things.
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if (SEARCH_FOR) {
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eventBus.dispatch("find", { type: "", query: SEARCH_FOR });
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}
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});
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// Loading document.
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const loadingTask = getDocument({
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url: fileUrl,
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cMapUrl: CMAP_URL,
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enableXfa: ENABLE_XFA,
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});
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const pdfDocument = await loadingTask.promise;
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// Document loaded, specifying document for the viewer and
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// the (optional) linkService.
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pdfViewer.setDocument(pdfDocument);
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pdfLinkService.setDocument(pdfDocument, null);

‎test/integration/jasmine-boot.js‎

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"reorganize_pages_spec.mjs",
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"scripting_spec.mjs",
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"signature_editor_spec.mjs",
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"simple_viewer_spec.mjs",
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"stamp_editor_spec.mjs",
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"text_field_spec.mjs",
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"text_layer_spec.mjs",

‎test/integration/simple_viewer_spec.mjs‎

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/* Copyright 2026 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// Integration tests for the simple viewer (test/components/).
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describe("Simple viewer", () => {
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describe("TextLayerBuilder without abortSignal", () => {
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let pages;
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beforeEach(async () => {
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const origin = new URL(global.integrationBaseUrl).origin;
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pages = await Promise.all(
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global.integrationSessions.map(async session => {
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const page = await session.browser.newPage();
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await page.goto(
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`${origin}/test/components/simple-viewer.html` +
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`?file=/test/pdfs/tracemonkey.pdf`
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);
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await page.bringToFront();
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await page.waitForSelector(
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"[data-page-number='1'] .textLayer .endOfContent"
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);
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await page.waitForSelector(
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"[data-page-number='2'] .textLayer .endOfContent"
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);
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return [session.name, page];
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})
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);
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});
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afterEach(async () => {
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await Promise.all(pages.map(([, page]) => page.close()));
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});
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it("must produce text spans in the text layer", async () => {
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await Promise.all(
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pages.map(async ([browserName, page]) => {
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const count = await page.evaluate(
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() => document.querySelectorAll(".textLayer span").length
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);
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expect(count).withContext(`In ${browserName}`).toBeGreaterThan(0);
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})
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);
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});
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});
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});

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