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<!DOCTYPE html>
<meta charset="utf-8">
<title>Tests for PaymentRequest.canMakePayment() method</title>
<link rel="help" href="https://w3c.github.io/payment-request/#canmakepayment-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>
<script>
"use strict";
const basicCard = Object.freeze({ supportedMethods: "basic-card" });
const applePay = Object.freeze({
  supportedMethods: "https://apple.com/apple-pay",
  data: {
    version: 3,
    merchantIdentifier: "merchant.com.example",
    countryCode: "US",
    merchantCapabilities: ["supports3DS"],
    supportedNetworks: ["visa"],
  }
});
const defaultMethods = Object.freeze([basicCard, applePay]);
const defaultDetails = Object.freeze({
  total: {
    label: "Total",
    amount: {
      currency: "USD",
      value: "1.00",
    },
  },
});

const unsupportedMethods = [
  { supportedMethods: "this-is-not-supported" },
  { supportedMethods: "https://not.supported" },
];

promise_test(async t => {
  const request = new PaymentRequest(defaultMethods, defaultDetails);
  assert_true(
    await request.canMakePayment(),
    "one of the methods should be supported"
  );
}, `If payment method identifier are supported, resolve promise with true.`);

promise_test(async t => {
  const request = new PaymentRequest(defaultMethods, defaultDetails);
  try {
    assert_true(
      await request.canMakePayment(),
      `canMakePaymentPromise should be true`
    );
    assert_true(
      await request.canMakePayment(),
      `canMakePaymentPromise should be true`
    );
  } catch (err) {
    assert_equals(
      err.name,
      "NotAllowedError",
      "if it throws, then it must be a NotAllowedError."
    );
  }
}, `If request.[[state]] is "created", then return a promise that resolves to true for known method.`);

promise_test(async t => {
  const noneSupported = new PaymentRequest(
    unsupportedMethods,
    defaultDetails
  ).canMakePayment();
  assert_false(await noneSupported, `methods must not be supported`);
}, "All methods are unsupported");

promise_test(async t => {
  const someSupported = new PaymentRequest(
    [...unsupportedMethods, ...defaultMethods],
    defaultDetails
  ).canMakePayment();
  assert_true(await someSupported, `At least one method is expected to be supported.`);
}, `Mix of supported and unsupported methods, at least one method is supported.`);

promise_test(async t => {
  const request = new PaymentRequest(defaultMethods, defaultDetails);
  const [acceptPromise, canMakePaymentPromise] = await test_driver.bless(
    "show payment request",
    () => {
      const acceptPromise = request.show(); // Sets state to "interactive"
      const canMakePaymentPromise = request.canMakePayment();
      return [acceptPromise, canMakePaymentPromise];
    });

  await promise_rejects(t, "InvalidStateError", canMakePaymentPromise);
  request.abort();
  await promise_rejects(t, "AbortError", acceptPromise);

  // The state should be "closed"
  await promise_rejects(t, "InvalidStateError", request.canMakePayment());
}, 'If request.[[state]] is "interactive", then return a promise rejected with an "InvalidStateError" DOMException.');

promise_test(async t => {
  const request = new PaymentRequest(defaultMethods, defaultDetails);
  const [abortPromise, acceptPromise] = await test_driver.bless(
    "show payment request",
    () => {
      const acceptPromise = request.show(); // Sets state to "interactive"
      acceptPromise.catch(() => {}); // no-op, just to silence unhandled rejection in devtools.
      const abortPromise = request.abort();  // Sets state to "closed"
      return [abortPromise, acceptPromise];
    });

  await abortPromise;
  await promise_rejects(t, "AbortError", acceptPromise);
  await promise_rejects(t, "InvalidStateError", request.canMakePayment());
}, 'If request.[[state]] is "closed", then return a promise rejected with an "InvalidStateError" DOMException.');
</script>

<small>
  If you find a buggy test, please <a href="https://github.com/web-platform-tests/wpt/issues">file a bug</a>
  and tag one of the <a href="https://github.com/web-platform-tests/wpt/blob/master/payment-request/META.yml">suggested reviewers</a>.
</small>