[quickview] Add a QuickView popup PDF file integration test

Bug: 1168436
Change-Id: I59adea182ac7dfaa4dfd2b24e64eb032c83e3b2b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2631397Reviewed-by: Luciano Pacheco <lucmult@chromium.org>
Commit-Queue: Noel Gordon <noel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#845416}

chrome/browser/chromeos/file_manager/file_manager_browsertest.cc

@@ -504,6 +504,7 @@ WRAPPED_INSTANTIATE_TEST_SUITE_P(
         TestCase("openQuickViewVideo"),
         TestCase("openQuickViewVideoOnDrive"),
         TestCase("openQuickViewPdf"),
+        TestCase("openQuickViewPdfPopup"),
         TestCase("openQuickViewPdfPreviewsDisabled"),
         TestCase("openQuickViewKeyboardUpDownChangesView"),
         TestCase("openQuickViewKeyboardLeftRightChangesView"),

ui/file_manager/integration_tests/file_manager/quick_view.js

@@ -899,6 +899,63 @@
     chrome.test.assertEq('application/pdf', mimeType);
   };
 
+  /**
+   * Tests opening Quick View on a PDF document that opens a popup JS dialog.
+   */
+  testcase.openQuickViewPdfPopup = async () => {
+    const caller = getCaller();
+
+    /**
+     * The PDF <webview> resides in the #quick-view shadow DOM, as a child of
+     * the #dialog element.
+     */
+    const webView = ['#quick-view', '#dialog[open] webview.content'];
+
+    // Open Files app on Downloads containing ENTRIES.popupPdf.
+    const appId = await setupAndWaitUntilReady(
+        RootPath.DOWNLOADS, [ENTRIES.popupPdf], []);
+
+    // Open the file in Quick View.
+    await openQuickView(appId, ENTRIES.popupPdf.nameText);
+
+    // Wait for the Quick View <webview> to load and display its content.
+    function checkWebViewPdfLoaded(elements) {
+      let haveElements = Array.isArray(elements) && elements.length === 1;
+      if (haveElements) {
+        haveElements = elements[0].styles.display.includes('block');
+      }
+      if (!haveElements || !elements[0].attributes.src) {
+        return pending(caller, 'Waiting for <webview> to load.');
+      }
+      return;
+    }
+    await repeatUntil(async () => {
+      return checkWebViewPdfLoaded(await remoteCall.callRemoteTestUtil(
+          'deepQueryAllElements', appId, [webView, ['display']]));
+    });
+
+    // Get the <webview> embed type attribute.
+    function checkPdfEmbedType(type) {
+      const haveElements = Array.isArray(type) && type.length === 1;
+      if (!haveElements || !type[0].toString().includes('pdf')) {
+        return pending(caller, 'Waiting for plugin <embed> type.');
+      }
+      return type[0];
+    }
+    const type = await repeatUntil(async () => {
+      const getType = 'window.document.querySelector("embed").type';
+      return checkPdfEmbedType(await remoteCall.callRemoteTestUtil(
+          'deepExecuteScriptInWebView', appId, [webView, getType]));
+    });
+
+    // Check: the <webview> embed type should be PDF mime type.
+    chrome.test.assertEq('application/pdf', type);
+
+    // Check: the correct mimeType should be displayed.
+    const mimeType = await getQuickViewMetadataBoxField(appId, 'Type');
+    chrome.test.assertEq('application/pdf', mimeType);
+  };
+
   /**
    * Tests that Quick View does not display a PDF file preview when that is
    * disabled by system settings (preferences).

ui/file_manager/integration_tests/test_util.js

@@ -771,6 +771,17 @@ const ENTRIES = {
     typeText: 'PDF document',
   }),
 
+  popupPdf: new TestEntryInfo({
+    type: EntryType.FILE,
+    sourceFileName: 'popup.pdf',
+    targetPath: 'popup.pdf',
+    mimeType: 'application/pdf',
+    lastModifiedTime: 'Jul 4, 2000, 10:42 AM',
+    nameText: 'popup.pdf',
+    sizeText: '538 bytes',
+    typeText: 'PDF document',
+  }),
+
   imgPdf: new TestEntryInfo({
     type: EntryType.FILE,
     sourceFileName: 'img.pdf',