<!DOCTYPE html>
<meta charset="utf-8" />
<title>Tests for PaymentRequestEvent.changePaymentMethod()</title>
<link
rel="help"
href="https://w3c.github.io/payment-handler/#changepaymentmethod-method"
/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<p>If the payment sheet is shown, please authorize the mock payment.</p>
<script>
const methodName = window.location.origin
+ '/payment-handler/change-payment-method-manual-manifest.json';
promise_test(async (t) => {
const request = new PaymentRequest([{supportedMethods: methodName}], {
total: {label: 'Total', amount: {currency: 'USD', value: '0.01'}},
});
// Intentionally do not respond to the 'paymentmethodchange' event.
const response = await test_driver.bless('showing a payment sheet', () =>
request.show()
);
const complete_promise = response.complete('success');
assert_equals(response.details.changePaymentMethodReturned, null);
return complete_promise;
}, 'If updateWith(details) is not run, changePaymentMethod() returns null.');
promise_test(async (t) => {
const request = new PaymentRequest([{supportedMethods: methodName}], {
total: {label: 'Total', amount: {currency: 'USD', value: '0.01'}},
});
request.addEventListener('paymentmethodchange', (event) => {
assert_equals(event.methodName, methodName);
assert_equals(event.methodDetails.country, 'US');
event.updateWith(Promise.reject('Error'));
});
const response_promise = test_driver.bless(
'showing a payment sheet',
() => request.show()
);
return promise_rejects_dom(t, 'AbortError', response_promise);
}, 'If updateWith(details) is rejected, abort the PaymentRequest.show().');
promise_test(async (t) => {
const request = new PaymentRequest([{supportedMethods: methodName}], {
total: {label: 'Total', amount: {currency: 'USD', value: '0.01'}},
});
request.addEventListener('paymentmethodchange', (event) => {
assert_equals(event.methodName, methodName);
assert_equals(event.methodDetails.country, 'US');
event.updateWith(
new Promise(() => {
throw 'Error for test';
})
);
});
const response_promise = test_driver.bless(
'showing a payment sheet',
() => request.show()
);
return promise_rejects_dom(t, 'AbortError', response_promise);
}, 'If updateWith(details) throws inside of the promise, abort the PaymentRequest.show().');
promise_test(async (t) => {
const request = new PaymentRequest([{supportedMethods: methodName}], {
total: {label: 'Total', amount: {currency: 'USD', value: '0.01'}},
});
request.addEventListener('paymentmethodchange', (event) => {
assert_equals(event.methodName, methodName);
assert_equals(event.methodDetails.country, 'US');
event.updateWith({
total: {label: 'Total', amount: {currency: 'GBP', value: '0.02'}},
error: 'Error for test',
modifiers: [
{
supportedMethods: methodName,
data: {soup: 'potato'},
total: {
label: 'Modified total',
amount: {currency: 'EUR', value: '0.03'},
},
additionalDisplayItems: [
{
label: 'Modified display item',
amount: {currency: 'INR', value: '0.06'},
},
],
},
{
supportedMethods: methodName + '2',
data: {soup: 'tomato'},
total: {
label: 'Modified total #2',
amount: {currency: 'CHF', value: '0.07'},
},
additionalDisplayItems: [
{
label: 'Modified display item #2',
amount: {currency: 'CAD', value: '0.08'},
},
],
},
],
paymentMethodErrors: {country: 'Unsupported country'},
displayItems: [
{
label: 'Display item',
amount: {currency: 'CNY', value: '0.04'},
},
],
shippingOptions: [
{
label: 'Shipping option',
id: 'id',
amount: {currency: 'JPY', value: '0.05'},
},
],
});
});
const response = await test_driver.bless('showing a payment sheet', () =>
request.show()
);
const complete_promise = response.complete('success');
const changePaymentMethodReturned =
response.details.changePaymentMethodReturned;
assert_equals(changePaymentMethodReturned.total.currency, 'GBP');
assert_equals(changePaymentMethodReturned.total.value, '0.02');
assert_equals(changePaymentMethodReturned.total.label, undefined);
assert_equals(changePaymentMethodReturned.error, 'Error for test');
assert_equals(changePaymentMethodReturned.modifiers.length, 1);
assert_equals(changePaymentMethodReturned.displayItems, undefined);
assert_equals(changePaymentMethodReturned.shippingOptions, undefined);
assert_equals(
changePaymentMethodReturned.paymentMethodErrors.country,
'Unsupported country'
);
const modifier = changePaymentMethodReturned.modifiers[0];
assert_equals(modifier.supportedMethods, methodName);
assert_equals(modifier.data.soup, 'potato');
assert_equals(modifier.total.label, '');
assert_equals(modifier.total.amount.currency, 'EUR');
assert_equals(modifier.total.amount.value, '0.03');
assert_equals(modifier.additionalDisplayItems, undefined);
return complete_promise;
}, 'The changePaymentMethod() returns some details from the "paymentmethodchange" event\'s updateWith(details) call.');
</script>
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