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<!DOCTYPE html>
<meta charset="utf-8">
<title>Test for PaymentRequest.show(optional promise) method</title>
<link rel="help" href="https://w3c.github.io/browser-payment-api/#show-method">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
"use strict";
setup({
  allow_uncaught_exception: true,
  explicit_done: true,
  explicit_timeout: true,
});

// DATA USED BY TESTS
// PaymentMethods
const validMethods = Object.freeze([
  {
    supportedMethods: "valid-but-wont-ever-match",
  },
  {
    supportedMethods: "basic-card",
  },
  {
    supportedMethods: "https://apple.com/apple-pay",
    data: {
      version: 3,
      merchantIdentifier: "merchant.com.example",
      countryCode: "US",
      merchantCapabilities: ["supports3DS"],
      supportedNetworks: ["visa"],
    }
  },
]);

// Amounts
const failAmount = Object.freeze({
  currency: "USD",
  value: "1.00",
});
const passAmount = Object.freeze({
  currency: "CAD",
  value: "50.00",
});
const neutralAmount = Object.freeze({
  currency: "AUD",
  value: "0.00",
});

// Labels
const failLabel = "💥 TEST HAS FAILED 💥";
const passLabel = "✅ TEST HAS PASSED ✅";
const neutralLabel = "Ignore this label";
// Totals
const failTotal = Object.freeze({
  label: failLabel,
  amount: failAmount,
});
const passTotal = Object.freeze({
  label: passLabel,
  amount: passAmount,
});
const neutralTotal = Object.freeze({
  label: neutralLabel,
  amount: passAmount,
});

// PaymentItem
const failPaymentItem = Object.freeze({
  amount: failAmount,
  label: failLabel,
});
const failPaymentItems = Object.freeze([failPaymentItem]);

const passPaymentItem = Object.freeze({
  amount: passAmount,
  label: passLabel,
});
const passPaymentItems = Object.freeze([passPaymentItem]);

// PaymentShippingOptions
const failShippingOption = Object.freeze({
  id: "fail",
  label: failLabel,
  amount: failAmount,
});
const failShippingOptions = Object.freeze([failShippingOption]);

const neutralShippingOption = Object.freeze({
  id: "neutral",
  label: neutralLabel,
  amount: neutralAmount,
});

const updatedShippingOption1 = Object.freeze({
  id: "updated-1",
  label: `${passLabel} - option 1`,
  amount: passAmount,
});
const updatedShippingOption2 = Object.freeze({
  id: "updated-2",
  label: `${passLabel} - option 2 (MUST BE SELECTED!)`,
  amount: passAmount,
  selected: true,
});
const passShippingOptions = Object.freeze([
  updatedShippingOption1,
  updatedShippingOption2,
]);

// Modifiers
// create a modifier objects for each validMethods
// and single additional display item
const failModifiers = validMethods.map(modifier => {
  const label = `${failLabel} - (${modifier.supportedMethods})`;
  return {
    ...modifier,
    total: {
      ...failTotal,
      label,
    },
    additionalDisplayItems: [
      {
        ...failPaymentItem,
        label,
      },
    ],
  };
});
// Updates the total for each, and changes the additionalDisplayItems
const passModifiers = failModifiers.map(modifier => {
  const label = `${passLabel} - (${modifier.supportedMethods})`;
  return {
    ...modifier,
    total: {
      ...passTotal,
      label,
    },
    additionalDisplayItems: [
      {
        ...passPaymentItem,
        label,
      },
    ],
  };
});

// PaymentDetailsInit
const failDetails = Object.freeze({
  displayItems: failPaymentItems,
  id: "this cannot be changed",
  modifiers: failModifiers,
  shippingOptions: failShippingOptions,
  total: failTotal,
});

const neutralDetails = Object.freeze({
  displayItems: [],
  modifiers: [],
  shippingOptions: [neutralShippingOption],
  total: neutralTotal,
});

function smokeTest() {
  promise_test(async t => {
    const request = new PaymentRequest(validMethods, failDetails);
    await promise_rejects(
      t,
      new TypeError(),
      request.show({
        total: "This throws a TypeError",
      }),
      "expected TypeError"
    );
  }, "smoke test - checks if the optional details are supported on show() method");
}

function runUpdateDetailsAlgorithm(
  buttonElement,
  details,
  options = {
    requestShipping: true,
  },
  initialDetails = failDetails,
) {
  const testAssertion = buttonElement.textContent.trim();
  buttonElement.disabled = true;
  promise_test(async t => {
    const request = new PaymentRequest(validMethods, initialDetails, options);
    const detailsPromise = Promise.resolve(details);
    const acceptPromise = request.show(detailsPromise);
    assert_equals(request.id, "this cannot be changed", "id must never change.");
    await promise_rejects(
      t,
      "AbortError",
      acceptPromise,
      "expected AbortError"
    );
  }, testAssertion);
}
</script>
<h2>
  PaymentRequest <code>.show(optional detailsPromise)</code> tests
</h2>
<p>
  These test cause <code>detailsPromise</code> to resolve successfully with some updated value. As such, that will cause
  something in the payment sheet to change. Each test describes what is expected to change - if anything.
</p>
<p>
  <strong>Instructions:</strong> Click on each button in sequence from top to bottom without refreshing the page. The payment
  sheet will be shown. If required, confirm that the expected value appears in the payment sheet. Finally, manually abort/cancel
  the payment request by closing the payment sheet.
</p>
<ol>
  <li><button onclick="smokeTest()">If the payment sheet is shown, the test has failed.</button></li>
  <li><button onclick="
    const details = {
      ...neutralDetails,
      id: 'fail',
    };
    runUpdateDetailsAlgorithm(this, details);
  ">
    When the payment sheet is shown, the provided `id` must have no effect on the payment request.
  </button></li>
  <li><button onclick="
    const details = {
      ...neutralDetails,
      total: passTotal
    };
    runUpdateDetailsAlgorithm(this, details);
  ">
    When the payment sheet is shown, the total must be CAD$50 with the label "✅ TEST HAS PASSED ✅".
  </button></li>
  <li><button onclick="
    const details = {
      ...neutralDetails,
      displayItems: passPaymentItems,
    };
    runUpdateDetailsAlgorithm(this, details);
    ">
    When the payment sheet is shown, there must be a one display item with a value of CAD$50 with the label "✅ TEST HAS PASSED ✅".
    </button>
  </li>
  <li><button onclick="
    const auItem = {
      ...passPaymentItem,
      amount: { value: '40', currency: 'AUD'},
      pending: true
    }
    const details = {
      ...neutralDetails,
      displayItems: passPaymentItems.concat(auItem),
    };
    runUpdateDetailsAlgorithm(this, details);
    ">
    When the payment sheet is shown, there must be
    two display items: One with a value of CAD$50, another with
    value AUD$40 that is pending.
    </button>
  </li>
  <li><button onclick="
    const details = {
      ...neutralDetails,
      shippingOptions: [updatedShippingOption1],
    };
    runUpdateDetailsAlgorithm(this, details);
    ">
    When the payment sheet is shown, there must be a one shipping option
    with a value of CAD$50.
    </button>
  </li>
  <li><button onclick="
    const details = {
      ...neutralDetails,
      shippingOptions: passShippingOptions,
    };
    runUpdateDetailsAlgorithm(this, details);
    ">
    When the payment sheet is shown, there must be
    two shipping options: One with a value of CAD$50, another with
    value AUD$40 that is selected.
    </button>
  </li>
  <li><button onclick="
    const details = {
      ...neutralDetails,
      modifiers: passModifiers,
    };
    runUpdateDetailsAlgorithm(this, details);
    ">
    When the payment sheet is shown, the total should be CAD$50.
  </button>
  </li>
  <li>
    <button onclick="
      const details = {
        ...neutralDetails,
        shippingOptions: [],
        error: passLabel,
      };
      runUpdateDetailsAlgorithm(this, details);
    ">
    When the payment sheet is shown, the string "✅ TEST HAS PASSED ✅" should be shown
    somewhere in the user interface. Alternatively, the payment sheet must indicate to the
    end user that it's not possible to ship their order.
    </button>
  </li>
  <li>
    <button onclick="
      const details = {
        ...neutralDetails,
        error: failLabel,
      };
      runUpdateDetailsAlgorithm(this, details, {requestShipping: false});
    ">
    When the payment sheet is shown, there should not be any errors shown.
    </button>
  </li>
  <li>
    <button onclick="
      const initialDetails = {total: passTotal, id: 'this cannot be changed'};
      const updatedDetails = {};
      runUpdateDetailsAlgorithm(
            this, updatedDetails, {requestShipping: false}, initialDetails);
    ">
    Resolving the show promise with empty details will preserve the details from
    the constructor. When the payment sheet is shown, the string
    "✅ TEST HAS PASSED ✅" should be shown.
    </button>
  </li>
  <li>
    <button onclick="done();">Done!</button>
  </li>
</ol>

<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>