// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'chrome://os-print/js/data/print_ticket_manager.js';
import {PDF_DESTINATION} from 'chrome://os-print/js/data/destination_constants.js';
import {DESTINATION_MANAGER_ACTIVE_DESTINATION_CHANGED, DestinationManager} from 'chrome://os-print/js/data/destination_manager.js';
import {DestinationProviderComposite} from 'chrome://os-print/js/data/destination_provider_composite.js';
import type {PrintPreviewPageHandlerComposite} from 'chrome://os-print/js/data/print_preview_page_handler_composite.js';
import {PRINT_REQUEST_FINISHED_EVENT, PRINT_REQUEST_STARTED_EVENT, PRINT_TICKET_MANAGER_SESSION_INITIALIZED, PRINT_TICKET_MANAGER_TICKET_CHANGED, PrintTicketManager} from 'chrome://os-print/js/data/print_ticket_manager.js';
import {DEFAULT_PARTIAL_PRINT_TICKET} from 'chrome://os-print/js/data/ticket_constants.js';
import {FakeDestinationProvider} from 'chrome://os-print/js/fakes/fake_destination_provider.js';
import {FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL, type FakePrintPreviewPageHandler} from 'chrome://os-print/js/fakes/fake_print_preview_page_handler.js';
import {createCustomEvent} from 'chrome://os-print/js/utils/event_utils.js';
import {getDestinationProvider, getPrintPreviewPageHandler} from 'chrome://os-print/js/utils/mojo_data_providers.js';
import {PrinterStatusReason, PrintTicket} from 'chrome://os-print/js/utils/print_preview_cros_app_types.js';
import {assert} from 'chrome://resources/js/assert.js';
import {assertDeepEquals, assertEquals, assertFalse, assertNotEquals, assertTrue} from 'chrome://webui-test/chromeos/chai_assert.js';
import {MockController} from 'chrome://webui-test/chromeos/mock_controller.m.js';
import {MockTimer} from 'chrome://webui-test/mock_timer.js';
import {eventToPromise} from 'chrome://webui-test/test_util.js';
import {createTestDestination, resetDataManagersAndProviders} from './test_utils.js';
suite('PrintTicketManager', () => {
let printPreviewPageHandler: FakePrintPreviewPageHandler;
let destinationProvider: FakeDestinationProvider;
let mockTimer: MockTimer;
let mockController: MockController;
const partialTicket: Partial<PrintTicket> = {
...DEFAULT_PARTIAL_PRINT_TICKET,
destinationId: '',
previewModifiable: true, // Default to HTML document.
shouldPrintSelectionOnly: false,
printerManuallySelected: false,
};
setup(() => {
resetDataManagersAndProviders();
// Setup fakes for testing.
mockController = new MockController();
mockTimer = new MockTimer();
mockTimer.install();
printPreviewPageHandler =
(getPrintPreviewPageHandler() as PrintPreviewPageHandlerComposite)
.fakePageHandler;
destinationProvider =
(getDestinationProvider() as DestinationProviderComposite)
.fakeDestinationProvider;
});
teardown(() => {
mockController.reset();
mockTimer.uninstall();
resetDataManagersAndProviders();
});
async function waitForInitialDestinationReady(): Promise<void> {
const delay = 1;
destinationProvider.setTestDelay(delay);
// Wait for active destination set to have non-empty value in ticket.
const destinationManager = DestinationManager.getInstance();
const activeDestEvent = eventToPromise(
DESTINATION_MANAGER_ACTIVE_DESTINATION_CHANGED, destinationManager);
destinationManager.initializeSession(FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL);
mockTimer.tick(delay);
await activeDestEvent;
assert(destinationManager.getActiveDestination());
}
async function waitForPrintTicketManagerInitialized(): Promise<void> {
// Ensure ticket manager is configured.
const ticketManager = PrintTicketManager.getInstance();
const initEvent =
eventToPromise(PRINT_TICKET_MANAGER_SESSION_INITIALIZED, ticketManager);
ticketManager.initializeSession(FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL);
await initEvent;
}
test('is a singleton', () => {
const instance1 = PrintTicketManager.getInstance();
const instance2 = PrintTicketManager.getInstance();
assertEquals(instance1, instance2);
});
test('can clear singleton', () => {
const instance1 = PrintTicketManager.getInstance();
PrintTicketManager.resetInstanceForTesting();
const instance2 = PrintTicketManager.getInstance();
assertTrue(instance1 !== instance2);
});
// Verify PrintPreviewPageHandler called when sentPrintRequest triggered.
test('sendPrintRequest calls PrintPreviewPageHandler.print', () => {
const instance = PrintTicketManager.getInstance();
assertEquals(0, printPreviewPageHandler.getCallCount('print'));
instance.initializeSession(FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL);
instance.sendPrintRequest();
assertEquals(1, printPreviewPageHandler.getCallCount('print'));
});
// Verify PrintPreviewPageHandler called when cancelPrintRequest triggered.
test('sendPrintRequest calls PrintPreviewPageHandler.cancel', () => {
const instance = PrintTicketManager.getInstance();
const method = 'cancel';
assertEquals(0, printPreviewPageHandler.getCallCount(method));
instance.cancelPrintRequest();
assertEquals(1, printPreviewPageHandler.getCallCount(method));
});
// Verify PRINT_REQUEST_STARTED_EVENT is dispatched when sentPrintRequest is
// called and PRINT_REQUEST_FINISHED_EVENT is called when
// PrintPreviewPageHandler.print resolves.
test(
'PRINT_REQUEST_STARTED_EVENT and PRINT_REQUEST_FINISHED_EVENT are ' +
' invoked when sentPrintRequest called',
async () => {
const delay = 1;
printPreviewPageHandler.setTestDelay(delay);
const instance = PrintTicketManager.getInstance();
instance.initializeSession(FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL);
let startCount = 0;
instance.addEventListener(PRINT_REQUEST_STARTED_EVENT, () => {
++startCount;
});
let finishCount = 0;
instance.addEventListener(PRINT_REQUEST_FINISHED_EVENT, () => {
++finishCount;
});
const startEvent =
eventToPromise(PRINT_REQUEST_STARTED_EVENT, instance);
const finishEvent =
eventToPromise(PRINT_REQUEST_FINISHED_EVENT, instance);
assertEquals(0, startCount, 'Start should have zero calls');
assertEquals(0, finishCount, 'Finish should have zero calls');
instance.sendPrintRequest();
await startEvent;
assertEquals(1, startCount, 'Start should have one call');
assertEquals(0, finishCount, 'Finish should have zero calls');
// Advance time by test delay to trigger method resolver.
mockTimer.tick(delay);
await finishEvent;
assertEquals(1, startCount, 'Start should have one call');
assertEquals(1, finishCount, 'Finish should have one call');
});
// Verify isPrintRequestInProgress is false until sentPrintRequest is called
// and returns to false when PrintPreviewPageHandler.print resolves.
test(
'isPrintRequestInProgress updates based on sendPrintRequest progress',
async () => {
const delay = 1;
printPreviewPageHandler.setTestDelay(delay);
const instance = PrintTicketManager.getInstance();
const startEvent =
eventToPromise(PRINT_REQUEST_STARTED_EVENT, instance);
const finishEvent =
eventToPromise(PRINT_REQUEST_FINISHED_EVENT, instance);
instance.initializeSession(FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL);
assertFalse(instance.isPrintRequestInProgress(), 'Request not started');
instance.sendPrintRequest();
await startEvent;
assertTrue(instance.isPrintRequestInProgress(), 'Request started');
mockTimer.tick(delay);
await finishEvent;
assertFalse(instance.isPrintRequestInProgress(), 'Request finished');
});
// Verify PrintTicketManager ensures that PrintPreviewPageHandler.print is
// only called if print request is not in progress.
test('ensure only one print request triggered at a time', async () => {
const delay = 1;
printPreviewPageHandler.setTestDelay(delay);
const instance = PrintTicketManager.getInstance();
instance.initializeSession(FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL);
const startEvent = eventToPromise(PRINT_REQUEST_STARTED_EVENT, instance);
const finishEvent = eventToPromise(PRINT_REQUEST_FINISHED_EVENT, instance);
const method = 'print';
let expectedCallCount = 0;
assertEquals(
expectedCallCount, printPreviewPageHandler.getCallCount(method),
'No request sent');
assertFalse(instance.isPrintRequestInProgress(), 'Request not started');
instance.sendPrintRequest();
// After calling `sendPrintRequest` the call count should increment.
++expectedCallCount;
await startEvent;
assertEquals(
expectedCallCount, printPreviewPageHandler.getCallCount(method),
'One request sent');
assertTrue(instance.isPrintRequestInProgress(), 'Request started');
// While request is in progress additional `sendPrintRequest` should not
// call `PrintPreviewPageHandler.print`.
instance.sendPrintRequest();
instance.sendPrintRequest();
instance.sendPrintRequest();
assertEquals(
expectedCallCount, printPreviewPageHandler.getCallCount(method),
'One request sent');
mockTimer.tick(delay);
await finishEvent;
assertEquals(
expectedCallCount, printPreviewPageHandler.getCallCount(method),
'One request sent');
assertFalse(instance.isPrintRequestInProgress(), 'Request finished');
});
// Verify `isSessionInitialized` returns true and triggers
// PRINT_TICKET_MANAGER_SESSION_INITIALIZED event after `initializeSession`
// called.
test(
'initializeSession updates isSessionInitialized and triggers ' +
PRINT_TICKET_MANAGER_SESSION_INITIALIZED,
async () => {
const instance = PrintTicketManager.getInstance();
assertFalse(
instance.isSessionInitialized(),
'Before initializeSession, instance should not be initialized');
// Set initial context.
const sessionInit =
eventToPromise(PRINT_TICKET_MANAGER_SESSION_INITIALIZED, instance);
instance.initializeSession(FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL);
await sessionInit;
assertTrue(
instance.isSessionInitialized(),
'After initializeSession, instance should be initialized');
});
// Verify print ticket created when session initialized using SessionContext.
test(
'initializeSession creates print ticket based on session context', () => {
const instance = PrintTicketManager.getInstance();
let expectedTicket: PrintTicket|null = null;
assertEquals(expectedTicket, instance.getPrintTicket());
instance.initializeSession(FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL);
expectedTicket = {
...partialTicket,
printPreviewId:
FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL.printPreviewToken,
shouldPrintSelectionOnly:
FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL.hasSelection,
} as PrintTicket;
const ticket = instance.getPrintTicket() as PrintTicket;
assertDeepEquals(expectedTicket, ticket);
});
// Verify `sendPrintRequest` requires a valid print ticket.
test(
'sendPrintRequest returns early if the print ticket is not valid', () => {
const delay = 1;
printPreviewPageHandler.setTestDelay(delay);
const instance = PrintTicketManager.getInstance();
assertEquals(null, instance.getPrintTicket());
// Attempt sending while ticket is null to verify print is not called.
instance.sendPrintRequest();
let expectedPrintCallCount = 0;
assertEquals(
expectedPrintCallCount,
printPreviewPageHandler.getCallCount('print'));
// Initialize session will setup the print ticket.
instance.initializeSession(FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL);
instance.sendPrintRequest();
++expectedPrintCallCount;
assertEquals(
expectedPrintCallCount,
printPreviewPageHandler.getCallCount('print'),
'Print request can be sent');
});
// Verify PrintTicket destination values set based on active destination from
// destination manager.
test(
'PrintTicket destination set to DestinationManager active' +
' destination ID',
() => {
const ticketManager = PrintTicketManager.getInstance();
const destinationManager = DestinationManager.getInstance();
const getActiveDestinationFn = mockController.createFunctionMock(
destinationManager, 'getActiveDestination');
getActiveDestinationFn.returnValue = PDF_DESTINATION;
assertEquals(null, ticketManager.getPrintTicket());
ticketManager.initializeSession(FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL);
const ticket = ticketManager.getPrintTicket();
assertNotEquals(null, ticket, 'Ticket configured');
assertEquals(
PDF_DESTINATION.id, ticket!.destinationId,
'destination set from DestinationManager active destination');
assertEquals(
PDF_DESTINATION.printerType, ticket!.printerType,
'printerType set from DestinationManager active destination');
assertFalse(ticket!.printerManuallySelected, 'not manually selected');
assertEquals(
PrinterStatusReason.UNKNOWN_REASON, ticket!.printerStatusReason,
'printerStatusReason fallback to UNKNOWN_REASON if null');
});
// Verify PrintTicket destination set to empty string if no active
// destination available.
test(
'PrintTicket destination set to empty string when DestinationManager' +
' active destination is null',
() => {
const ticketManager = PrintTicketManager.getInstance();
const destinationManager = DestinationManager.getInstance();
const getActiveDestinationFn = mockController.createFunctionMock(
destinationManager, 'getActiveDestination');
getActiveDestinationFn.returnValue = null;
assertEquals(null, ticketManager.getPrintTicket());
ticketManager.initializeSession(FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL);
const ticket = ticketManager.getPrintTicket();
assertNotEquals(null, ticket, 'Ticket configured');
assertEquals('', ticket!.destinationId, 'destination should be empty');
});
// Verify default setting for previewModifiable is based on session context.
test('PrintTicket previewModifiable is set from session context', () => {
const ticketManager = PrintTicketManager.getInstance();
const destinationManager = DestinationManager.getInstance();
const getActiveDestinationFn = mockController.createFunctionMock(
destinationManager, 'getActiveDestination');
getActiveDestinationFn.returnValue = null;
assertEquals(null, ticketManager.getPrintTicket());
// Force isModifiable to false, isModifiable true is tested in prior
// test.
const sessionContextNotModifiable = {
...FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL,
isModifiable: false,
};
ticketManager.initializeSession(sessionContextNotModifiable);
const ticket = ticketManager.getPrintTicket();
assertNotEquals(null, ticket, 'Ticket configured');
assertEquals(
sessionContextNotModifiable.isModifiable, ticket!.previewModifiable,
'previewModifiable should match session context');
});
// Verify default setting for shouldPrintSelectionOnly is based on session
// context.
test(
'PrintTicket shouldPrintSelectionOnly is set from session context',
() => {
const ticketManager = PrintTicketManager.getInstance();
const destinationManager = DestinationManager.getInstance();
const getActiveDestinationFn = mockController.createFunctionMock(
destinationManager, 'getActiveDestination');
getActiveDestinationFn.returnValue = null;
assertEquals(null, ticketManager.getPrintTicket());
// Force hasSelection to false, hasSelection true is tested in prior
// test.
const sessionContextNoSelection = {
...FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL,
hasSelection: false,
};
ticketManager.initializeSession(sessionContextNoSelection);
const ticket = ticketManager.getPrintTicket();
assertNotEquals(null, ticket, 'Ticket configured');
assertEquals(
sessionContextNoSelection.hasSelection,
ticket!.shouldPrintSelectionOnly,
'shouldPrintSelectionOnly should default to match session context');
});
// Verify PrintTicket destination values update on first active destination
// change event if currently empty string and stops listening to active
// destination events after change.
test(
'PrintTicket listens to active destination change until ' +
'print ticket destination set and updates ticket',
async () => {
const ticketManager = PrintTicketManager.getInstance();
const destinationManager = DestinationManager.getInstance();
const getActiveDestinationFn = mockController.createFunctionMock(
destinationManager, 'getActiveDestination');
getActiveDestinationFn.returnValue = null;
assertEquals(null, ticketManager.getPrintTicket());
ticketManager.initializeSession(FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL);
const ticket = ticketManager.getPrintTicket();
assertEquals('', ticket!.destinationId, 'destination should be empty');
getActiveDestinationFn.returnValue = PDF_DESTINATION;
const changeEvent1 = eventToPromise(
DESTINATION_MANAGER_ACTIVE_DESTINATION_CHANGED, destinationManager);
destinationManager.dispatchEvent(
createCustomEvent(DESTINATION_MANAGER_ACTIVE_DESTINATION_CHANGED));
await changeEvent1;
assertEquals(
PDF_DESTINATION.id, ticket!.destinationId,
`destination should be ${PDF_DESTINATION.id}`);
assertEquals(
PDF_DESTINATION.printerType, ticket!.printerType,
`printerType should be ${PDF_DESTINATION.printerType}`);
assertFalse(ticket!.printerManuallySelected, 'not manually selected');
assertEquals(
PrinterStatusReason.UNKNOWN_REASON, ticket!.printerStatusReason,
`printerStatusReason should fall back to UNKNOWN_REASON when null`);
getActiveDestinationFn.returnValue = {
id: 'fake_id',
displayName: 'Fake Destination',
};
const changeEvent2 = eventToPromise(
DESTINATION_MANAGER_ACTIVE_DESTINATION_CHANGED, destinationManager);
destinationManager.dispatchEvent(
createCustomEvent(DESTINATION_MANAGER_ACTIVE_DESTINATION_CHANGED));
await changeEvent2;
assertEquals(
PDF_DESTINATION.id, ticket!.destinationId,
`destination should remain ${PDF_DESTINATION.id}`);
});
// Verify print ticket created uses default partial ticket for initialization
// of settings not configured by session context.
test(
'initializeSession creates print ticket using default value for' +
' settings not configured by session context',
() => {
const instance = PrintTicketManager.getInstance();
let expectedTicket: PrintTicket|null = null;
assertEquals(expectedTicket, instance.getPrintTicket());
instance.initializeSession(FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL);
expectedTicket = {
...partialTicket,
printPreviewId:
FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL.printPreviewToken,
shouldPrintSelectionOnly:
FAKE_PRINT_SESSION_CONTEXT_SUCCESSFUL.hasSelection,
} as PrintTicket;
const ticket = instance.getPrintTicket() as PrintTicket;
assertEquals(
undefined, ticket.advancedSettings,
'Ticket advancedSettings optional property should not be set');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.borderless, ticket.borderless,
'Ticket borderless should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.collate, ticket.collate,
'Ticket collate should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.color, ticket.color,
'Ticket color should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.copies, ticket.copies,
'Ticket copies should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.dpiHorizontal, ticket.dpiHorizontal,
'Ticket dpiHorizontal should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.dpiVertical, ticket.dpiVertical,
'Ticket dpiVertical should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.dpiDefault, ticket.dpiDefault,
'Ticket dpiDefault should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.duplex, ticket.duplex,
'Ticket duplex should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.headerFooterEnabled,
ticket.headerFooterEnabled,
'Ticket landscape should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.landscape, ticket.landscape,
'Ticket landscape should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.marginsType, ticket.marginsType,
'Ticket marginsType should match DEFAULT_PARTIAL_PRINT_TICKET');
assertDeepEquals(
DEFAULT_PARTIAL_PRINT_TICKET.marginsCustom, ticket.marginsCustom,
'Ticket marginsCustom should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
undefined, ticket.marginsCustom,
'Ticket marginsCustom optional property should not be set');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.mediaSize, ticket.mediaSize,
'Ticket mediaSize should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.mediaType, ticket.mediaType,
'Ticket mediaType should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.pageCount, ticket.pageCount,
'Ticket pageCount should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.pagesPerSheet, ticket.pagesPerSheet,
'Ticket pagesPerSheet should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.pageHeight, ticket.pageHeight,
'Ticket pageHeight should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.pageWidth, ticket.pageWidth,
'Ticket pageWidth should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.pinValue, ticket.pinValue,
'Ticket pinValue should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
undefined, ticket.pinValue,
'Ticket pinValue optional property should not be set');
assertEquals(
PrinterStatusReason.UNKNOWN_REASON, ticket.printerStatusReason,
'Ticket printerStatusReason should match ' +
'DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
PrinterStatusReason.UNKNOWN_REASON, ticket.printerStatusReason,
'Ticket printerStatusReason should be ' +
'PrinterStatusReason.UNKNOWN_REASON');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.printerType, ticket.printerType,
'Ticket printerType should match DEFAULT_PARTIAL_PRINT_TICKET');
assertFalse(
ticket.printerManuallySelected,
'Ticket printerManuallySelected not manually selected');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.rasterizePDF, ticket.rasterizePDF,
'Ticket rasterizePDF should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.scaleFactor, ticket.scaleFactor,
'Ticket scaleFactor should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.scalingType, ticket.scalingType,
'Ticket scalingType should match DEFAULT_PARTIAL_PRINT_TICKET');
assertEquals(
DEFAULT_PARTIAL_PRINT_TICKET.shouldPrintBackgrounds,
ticket.shouldPrintBackgrounds,
'Ticket shouldPrintBackgrounds should match ' +
'DEFAULT_PARTIAL_PRINT_TICKET');
});
// Verify setPrintTicketDestination validates the provided ID, updates
// the ticket, and dispatches an event.
test(
'setPrintTicketDestination validates destination id before ' +
'updating ticket and triggering event',
async () => {
await waitForInitialDestinationReady();
await waitForPrintTicketManagerInitialized();
const testDestination = createTestDestination();
const destinationManager = DestinationManager.getInstance();
destinationManager.setDestinationForTesting(testDestination);
const ticketManager = PrintTicketManager.getInstance();
// Simulate request to invalid destinations returns false.
assertFalse(
ticketManager.setPrintTicketDestination(PDF_DESTINATION.id));
assertFalse(
ticketManager.setPrintTicketDestination('unknownDestinationId'));
// Simulate request to valid destination returns true.
const ticketChanged =
eventToPromise(PRINT_TICKET_MANAGER_TICKET_CHANGED, ticketManager);
assertTrue(ticketManager.setPrintTicketDestination(testDestination.id));
// Verify event triggered and expected fields updated.
await ticketChanged;
const ticket = ticketManager.getPrintTicket();
assertEquals(
testDestination.id, ticket!.destinationId,
'ticket destination should be updated');
assertEquals(
testDestination.printerType, ticket!.printerType,
'ticket printerType should be updated');
assertEquals(
testDestination.printerStatusReason, ticket!.printerStatusReason,
'ticket printerStatusReason should be updated');
});
});