Add pdf-reader annotation creation test

(cherry picked from commit af436d34a8)

chrome/content/zotero/xpcom/reader.js

@@ -1684,6 +1684,7 @@ class Reader {
 		if (!openInBackground) {
 			reader._window.focus();
 		}
+		return reader;
 	}
 
 	/**

test/tests/pdfReaderTest.js

@@ -0,0 +1,70 @@
+"use strict";
+
+describe("PDF Reader", function () {
+	var win, zp;
+
+	before(function* () {
+		win = yield loadZoteroPane();
+		zp = win.ZoteroPane;
+	});
+
+	after(function () {
+		win.close();
+	});
+
+	describe('Reader', function () {
+		it('should create annotations', async function () {
+			var attachment = await importFileAttachment('test.pdf');
+			var reader = await Zotero.Reader.open(attachment.itemID);
+			// TODO: Implement a promise that would be resolved when pdf-reader is completely loaded
+			var n = 0;
+			while (!reader._iframeWindow.wrappedJSObject.PDFViewerApplication.pdfDocument && n++ < 50) {
+				await Zotero.Promise.delay(100);
+			}
+			await reader._iframeWindow.wrappedJSObject.viewerInstance._viewer._pdfjsPromise;
+			await reader._iframeWindow.wrappedJSObject.viewerInstance._viewer._annotationsStore.addAnnotation(
+				Components.utils.cloneInto({
+					type: 'highlight',
+					color: '#ffd400',
+					sortIndex: '00000|003305|00000',
+					position: {
+						pageIndex: 0,
+						rects: [[0, 0, 100, 100]]
+					},
+					text: 'test'
+				}, reader._iframeWindow)
+			);
+			await reader._iframeWindow.wrappedJSObject.viewerInstance._viewer._annotationsStore.addAnnotation(
+				Components.utils.cloneInto({
+					type: 'note',
+					color: '#ffd400',
+					sortIndex: '00000|003305|00000',
+					comment: 'test',
+					position: {
+						pageIndex: 0,
+						rects: [[0, 0, 100, 100]]
+					},
+					text: 'test'
+				}, reader._iframeWindow)
+			);
+			await reader._iframeWindow.wrappedJSObject.viewerInstance._viewer._annotationsStore.addAnnotation(
+				Components.utils.cloneInto({
+					type: 'image',
+					color: '#ffd400',
+					sortIndex: '00000|003305|00000',
+					comment: 'test',
+					position: {
+						pageIndex: 0,
+						rects: [[0, 0, 100, 100]]
+					}
+				}, reader._iframeWindow)
+			);
+			// TODO: Try to avoid pdf-reader annotation saving debounce which is now 1000ms
+			await Zotero.Promise.delay(1500);
+			var annotations = attachment.getAnnotations();
+			assert.equal(annotations.length, 3);
+		});
+
+		// TODO: Add annotation update and deletion tests
+	});
+});