// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import type {CrButtonElement, Destination, NativeInitialSettings, PrintPreviewAppElement} from 'chrome://print/print_preview.js';
import {MeasurementSystemUnitType, NativeLayerImpl, PluginProxyImpl, State, whenReady} from 'chrome://print/print_preview.js';
import {assert} from 'chrome://resources/js/assert.js';
import {assertEquals, assertFalse, assertTrue} from 'chrome://webui-test/chai_assert.js';
import {waitBeforeNextRender} from 'chrome://webui-test/polymer_test_util.js';
// <if expr="is_chromeos">
import {setNativeLayerCrosInstance} from './native_layer_cros_stub.js';
// </if>
import {NativeLayerStub} from './native_layer_stub.js';
import {getCddTemplate, getDefaultMediaSize, getDefaultOrientation} from './print_preview_test_utils.js';
import {TestPluginProxy} from './test_plugin_proxy.js';
suite('InvalidSettingsTest', function() {
let page: PrintPreviewAppElement;
let nativeLayer: NativeLayerStub;
const initialSettings: NativeInitialSettings = {
isInKioskAutoPrintMode: false,
isInAppKioskMode: false,
thousandsDelimiter: ',',
decimalDelimiter: '.',
unitType: MeasurementSystemUnitType.IMPERIAL,
previewModifiable: true,
destinationsManaged: false,
previewIsFromArc: false,
documentTitle: 'title',
documentHasSelection: true,
shouldPrintSelectionOnly: false,
uiLocale: 'en-us',
printerName: 'FooDevice',
pdfPrinterDisabled: false,
serializedAppStateStr: null,
serializedDefaultDestinationSelectionRulesStr: null,
};
setup(function() {
nativeLayer = new NativeLayerStub();
NativeLayerImpl.setInstance(nativeLayer);
// <if expr="is_chromeos">
setNativeLayerCrosInstance();
// </if>
document.body.innerHTML = window.trustedTypes!.emptyHTML;
});
/**
* Initializes the page with initial settings and local destinations
* given by |initialSettings| and |localDestinationInfos|. Also creates
* the fake plugin. Moved out of setup so tests can set those parameters
* differently.
*/
function createPage() {
nativeLayer.setInitialSettings(initialSettings);
nativeLayer.setLocalDestinations([
{printerName: 'FooName', deviceName: 'FooDevice'},
{printerName: 'BarName', deviceName: 'BarDevice'},
]);
PluginProxyImpl.setInstance(new TestPluginProxy());
page = document.createElement('print-preview-app');
document.body.appendChild(page);
page.$.documentInfo.init(true, false, 'title', false);
}
// Tests that when a printer cannot be communicated with correctly the
// preview area displays an invalid printer error message and printing
// is disabled. Verifies that the user can recover from this error by
// selecting a different, valid printer.
test('invalid settings error', function() {
createPage();
const barDevice = getCddTemplate('BarDevice');
nativeLayer.setLocalDestinationCapabilities(barDevice);
// FooDevice is the default printer, so will be selected for the initial
// preview request.
nativeLayer.setInvalidPrinterId('FooDevice');
// Expected message
const expectedMessage = 'The selected printer is not available or not ' +
'installed correctly. Check your printer or try selecting another ' +
'printer.';
// Get references to relevant elements.
const previewAreaEl = page.$.previewArea;
const overlay =
previewAreaEl.shadowRoot!.querySelector('.preview-area-overlay-layer')!;
const messageEl =
previewAreaEl.shadowRoot!.querySelector('.preview-area-message')!;
const sidebar = page.shadowRoot!.querySelector('print-preview-sidebar')!;
let printButton: CrButtonElement;
const destinationSettings = sidebar.shadowRoot!.querySelector(
'print-preview-destination-settings')!;
return waitBeforeNextRender(page)
.then(() => {
const parentElement =
sidebar.shadowRoot!.querySelector('print-preview-button-strip')!;
printButton =
parentElement.shadowRoot!.querySelector<CrButtonElement>(
'.action-button')!;
return Promise.all([
whenReady(),
nativeLayer.whenCalled('getInitialSettings'),
]);
})
.then(function() {
destinationSettings.getDestinationStoreForTest()
.startLoadAllDestinations();
// Wait for the preview request.
return Promise.all([
nativeLayer.whenCalled('getPrinterCapabilities'),
nativeLayer.whenCalled('getPreview'),
]);
})
.then(function() {
// Print preview should have failed with invalid settings, since
// FooDevice was set as an invalid printer.
assertFalse(overlay.classList.contains('invisible'));
assertTrue(messageEl.textContent!.includes(expectedMessage));
assertEquals(State.ERROR, page.state);
// Verify that the print button is disabled
assertTrue(printButton.disabled);
// Select should still be enabled so that the user can select a
// new printer.
assertFalse(destinationSettings.$.destinationSelect.disabled);
// Reset
nativeLayer.reset();
// Select a new destination
const barDestination =
destinationSettings.getDestinationStoreForTest()
.destinations()
.find((d: Destination) => d.id === 'BarDevice');
assert(barDestination);
destinationSettings.getDestinationStoreForTest().selectDestination(
barDestination);
// Wait for the preview to be updated.
return nativeLayer.whenCalled('getPreview');
})
.then(function() {
// Message should be gone.
assertTrue(overlay.classList.contains('invisible'));
assertFalse(messageEl.textContent!.includes(expectedMessage));
// Has active print button and successfully 'prints', indicating
assertFalse(printButton.disabled);
assertEquals(State.READY, page.state);
printButton.click();
// This should result in a call to print.
return nativeLayer.whenCalled('doPrint');
})
.then(
/**
* @param {string} printTicket The print ticket print() was
* called for.
*/
function(printTicket) {
// Sanity check some printing argument values.
const ticket = JSON.parse(printTicket);
assertEquals(barDevice.printer!.deviceName, ticket.deviceName);
assertEquals(
getDefaultOrientation(barDevice) === 'LANDSCAPE',
ticket.landscape);
assertEquals(1, ticket.copies);
const mediaDefault = getDefaultMediaSize(barDevice);
assertEquals(
mediaDefault.width_microns, ticket.mediaSize.width_microns);
assertEquals(
mediaDefault.height_microns, ticket.mediaSize.height_microns);
return nativeLayer.whenCalled('dialogClose');
});
});
});
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