link-header-redirect-resolution.https.window.js

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /payment-method-manifest/link-header-redirect-resolution.https.window.html - WPT Dashboard Interop Dashboard

// META: spec=https://w3c.github.io/payment-method-manifest/#fetch-pmm

// META: title=Relative Link header target is resolved against final post-redirect response URL

// META: script=/common/utils.js

// META: script=/payment-method-manifest/resources/helpers.js

promise_test(async t => {

  const testId = token();

  const targetUrl = createPaymentMethodIdentifierUrl(testId, {

    link: `<payment-method-manifest.py?id=${

        testId}>; rel="payment-method-manifest"`,

});

  const pmiUrl =

      createPaymentMethodIdentifierUrl(testId, {redirect_location: targetUrl});

  const request = new PaymentRequest(

      [{supportedMethods: pmiUrl}],

      {total: {label: 'Total', amount: {currency: 'USD', value: '1.00'}}});

  try {

    await request.canMakePayment();

  } catch (err) {

    // It is fine for this call to fail; server logs are still captured and

    // inspected below.

  // 3 requests expected:

  // 1. HEAD to initial PMI URL (redirects 302 to targetUrl)

  // 2. HEAD to targetUrl (returns 200 + relative Link header)

  // 3. GET to manifest URL resolved relative to targetUrl, not initial URL

  const logs = await waitForServerAccessLogs(t, testId, 3);

  assert_equals(

      logs.length, 3,

      'Browser must follow redirect and fetch manifest via relative Link header');

  assert_equals(logs[0].endpoint, 'payment-method-identifier',

                'First request must hit initial PMI URL');

  assert_equals(logs[0].method, 'HEAD', 'First request must use HEAD method');

  assert_equals(logs[1].endpoint, 'payment-method-identifier',

                'Second request must hit post-redirect target PMI URL');

  assert_equals(logs[1].method, 'HEAD', 'Second request must use HEAD method');

  assert_equals(logs[2].endpoint, 'payment-method-manifest',

                'Third request must fetch manifest');

  assert_equals(logs[2].method, 'GET', 'Manifest request must use GET method');

  const expectedManifestUrl = createPaymentMethodManifestUrl(testId);

  assert_equals(

      logs[2].url, expectedManifestUrl,

      'Manifest URL must be resolved relative to final post-redirect PMI URL');

}, 'Relative Link header target is resolved against final post-redirect response URL');