// META: title=Cache.match
// META: global=window,worker
// META: script=./resources/test-helpers.js
// META: script=/common/get-host-info.sub.js
// META: timeout=long

prepopulated_cache_test(simple_entries, function(cache, entries) {
    return cache.match('not-present-in-the-cache')
      .then(function(result) {
          assert_equals(result, undefined,
                        'Cache.match failures should resolve with undefined.');
        });
  }, 'Cache.match with no matching entries');

prepopulated_cache_test(simple_entries, function(cache, entries) {
    return cache.match(entries.a.request.url)
      .then(function(result) {
          assert_response_equals(result, entries.a.response,
                                 'Cache.match should match by URL.');
        });
  }, 'Cache.match with URL');

prepopulated_cache_test(simple_entries, function(cache, entries) {
    return cache.match(entries.a.request)
      .then(function(result) {
          assert_response_equals(result, entries.a.response,
                                 'Cache.match should match by Request.');
        });
  }, 'Cache.match with Request');

prepopulated_cache_test(simple_entries, function(cache, entries) {
    var alt_response = new Response('', {status: 201});

    return self.caches.open('second_matching_cache')
      .then(function(cache) {
          return cache.put(entries.a.request, alt_response.clone());
        })
      .then(function() {
          return cache.match(entries.a.request);
        })
      .then(function(result) {
          assert_response_equals(
            result, entries.a.response,
            'Cache.match should match the first cache.');
        });
  }, 'Cache.match with multiple cache hits');

prepopulated_cache_test(simple_entries, function(cache, entries) {
    return cache.match(new Request(entries.a.request.url))
      .then(function(result) {
          assert_response_equals(result, entries.a.response,
                                 'Cache.match should match by Request.');
        });
  }, 'Cache.match with new Request');

prepopulated_cache_test(simple_entries, function(cache, entries) {
    return cache.match(new Request(entries.a.request.url, {method: 'HEAD'}))
      .then(function(result) {
          assert_equals(result, undefined,
                        'Cache.match should not match HEAD Request.');
        });
  }, 'Cache.match with HEAD');

prepopulated_cache_test(simple_entries, function(cache, entries) {
    return cache.match(entries.a.request,
                       {ignoreSearch: true})
      .then(function(result) {
          assert_response_in_array(
            result,
            [
              entries.a.response,
              entries.a_with_query.response
            ],
            'Cache.match with ignoreSearch should ignore the ' +
            'search parameters of cached request.');
        });
  },
  'Cache.match with ignoreSearch option (request with no search ' +
  'parameters)');

prepopulated_cache_test(simple_entries, function(cache, entries) {
    return cache.match(entries.a_with_query.request,
                       {ignoreSearch: true})
      .then(function(result) {
          assert_response_in_array(
            result,
            [
              entries.a.response,
              entries.a_with_query.response
            ],
            'Cache.match with ignoreSearch should ignore the ' +
            'search parameters of request.');
        });
  },
  'Cache.match with ignoreSearch option (request with search parameter)');

cache_test(function(cache) {
    var request = new Request('http://example.com/');
    var head_request = new Request('http://example.com/', {method: 'HEAD'});
    var response = new Response('foo');
    return cache.put(request.clone(), response.clone())
      .then(function() {
          return cache.match(head_request.clone());
        })
      .then(function(result) {
          assert_equals(
            result, undefined,
            'Cache.match should resolve as undefined with a ' +
            'mismatched method.');
          return cache.match(head_request.clone(),
                             {ignoreMethod: true});
        })
      .then(function(result) {
          assert_response_equals(
            result, response,
            'Cache.match with ignoreMethod should ignore the ' +
            'method of request.');
        });
  }, 'Cache.match supports ignoreMethod');

cache_test(function(cache) {
    var vary_request = new Request('http://example.com/c',
                                   {headers: {'Cookies': 'is-for-cookie'}});
    var vary_response = new Response('', {headers: {'Vary': 'Cookies'}});
    var mismatched_vary_request = new Request('http://example.com/c');

    return cache.put(vary_request.clone(), vary_response.clone())
      .then(function() {
          return cache.match(mismatched_vary_request.clone());
        })
      .then(function(result) {
          assert_equals(
            result, undefined,
            'Cache.match should resolve as undefined with a ' +
            'mismatched vary.');
          return cache.match(mismatched_vary_request.clone(),
                              {ignoreVary: true});
        })
      .then(function(result) {
          assert_response_equals(
            result, vary_response,
            'Cache.match with ignoreVary should ignore the ' +
            'vary of request.');
        });
  }, 'Cache.match supports ignoreVary');

cache_test(function(cache) {
    let has_cache_name = false;
    const opts = {
      get cacheName() {
        has_cache_name = true;
        return undefined;
      }
    };
    return self.caches.open('foo')
      .then(function() {
          return cache.match('bar', opts);
        })
      .then(function() {
          assert_false(has_cache_name,
                       'Cache.match does not support cacheName option ' +
                       'which was removed in CacheQueryOptions.');
        });
  }, 'Cache.match does not support cacheName option');

prepopulated_cache_test(simple_entries, function(cache, entries) {
    return cache.match(entries.cat.request.url + '#mouse')
      .then(function(result) {
          assert_response_equals(result, entries.cat.response,
                                 'Cache.match should ignore URL fragment.');
        });
  }, 'Cache.match with URL containing fragment');

prepopulated_cache_test(simple_entries, function(cache, entries) {
    return cache.match('http')
      .then(function(result) {
          assert_equals(
            result, undefined,
            'Cache.match should treat query as a URL and not ' +
            'just a string fragment.');
        });
  }, 'Cache.match with string fragment "http" as query');

prepopulated_cache_test(vary_entries, function(cache, entries) {
    return cache.match('http://example.com/c')
      .then(function(result) {
          assert_response_in_array(
            result,
            [
              entries.vary_cookie_absent.response
            ],
            'Cache.match should honor "Vary" header.');
        });
  }, 'Cache.match with responses containing "Vary" header');

cache_test(function(cache) {
    var request = new Request('http://example.com');
    var response;
    var request_url = new URL('./resources/simple.txt', location.href).href;
    return fetch(request_url)
      .then(function(fetch_result) {
          response = fetch_result;
          assert_equals(
            response.url, request_url,
            '[https://fetch.spec.whatwg.org/#dom-response-url] ' +
            'Reponse.url should return the URL of the response.');
          return cache.put(request, response.clone());
        })
      .then(function() {
          return cache.match(request.url);
        })
      .then(function(result) {
          assert_response_equals(
            result, response,
            'Cache.match should return a Response object that has the same ' +
            'properties as the stored response.');
          return cache.match(response.url);
        })
      .then(function(result) {
          assert_equals(
            result, undefined,
            'Cache.match should not match cache entry based on response URL.');
        });
  }, 'Cache.match with Request and Response objects with different URLs');

cache_test(function(cache) {
    var request_url = new URL('./resources/simple.txt', location.href).href;
    return fetch(request_url)
      .then(function(fetch_result) {
          return cache.put(new Request(request_url), fetch_result);
        })
      .then(function() {
          return cache.match(request_url);
        })
      .then(function(result) {
          return result.text();
        })
      .then(function(body_text) {
          assert_equals(body_text, 'a simple text file\n',
                        'Cache.match should return a Response object with a ' +
                        'valid body.');
        })
      .then(function() {
          return cache.match(request_url);
        })
      .then(function(result) {
          return result.text();
        })
      .then(function(body_text) {
          assert_equals(body_text, 'a simple text file\n',
                        'Cache.match should return a Response object with a ' +
                        'valid body each time it is called.');
        });
  }, 'Cache.match invoked multiple times for the same Request/Response');

cache_test(function(cache) {
    var request_url = new URL('./resources/simple.txt', location.href).href;
    return fetch(request_url)
      .then(function(fetch_result) {
          return cache.put(new Request(request_url), fetch_result);
        })
      .then(function() {
          return cache.match(request_url);
        })
      .then(function(result) {
          return result.blob();
        })
      .then(function(blob) {
          var sliced = blob.slice(2,8);

          return new Promise(function (resolve, reject) {
              var reader = new FileReader();
              reader.onloadend = function(event) {
                resolve(event.target.result);
              };
              reader.readAsText(sliced);
            });
        })
      .then(function(text) {
          assert_equals(text, 'simple',
                        'A Response blob returned by Cache.match should be ' +
                        'sliceable.' );
        });
  }, 'Cache.match blob should be sliceable');

prepopulated_cache_test(simple_entries, function(cache, entries) {
    var request = new Request(entries.a.request.clone(), {method: 'POST'});
    return cache.match(request)
      .then(function(result) {
          assert_equals(result, undefined,
                        'Cache.match should not find a match');
        });
  }, 'Cache.match with POST Request');

prepopulated_cache_test(simple_entries, function(cache, entries) {
    var response = entries.non_2xx_response.response;
    return cache.match(entries.non_2xx_response.request.url)
      .then(function(result) {
          assert_response_equals(
              result, entries.non_2xx_response.response,
              'Cache.match should return a Response object that has the ' +
                  'same properties as a stored non-2xx response.');
        });
  }, 'Cache.match with a non-2xx Response');

prepopulated_cache_test(simple_entries, function(cache, entries) {
    var response = entries.error_response.response;
    return cache.match(entries.error_response.request.url)
      .then(function(result) {
          assert_response_equals(
              result, entries.error_response.response,
              'Cache.match should return a Response object that has the ' +
                  'same properties as a stored network error response.');
        });
  }, 'Cache.match with a network error Response');

cache_test(function(cache) {
    // This test validates that we can get a Response from the Cache API,
    // clone it, and read just one side of the clone.  This was previously
    // bugged in FF for Responses with large bodies.
    var data = [];
    data.length = 80 * 1024;
    data.fill('F');
    var response;
    return cache.put('/', new Response(data.toString()))
      .then(function(result) {
          return cache.match('/');
        })
      .then(function(r) {
          // Make sure the original response is not GC'd.
          response = r;
          // Return only the clone.  We purposefully test that the other
          // half of the clone does not need to be read here.
          return response.clone().text();
        })
      .then(function(text) {
          assert_equals(text, data.toString(), 'cloned body text can be read correctly');
        });
  }, 'Cache produces large Responses that can be cloned and read correctly.');

cache_test(async (cache) => {
    const url = get_host_info().HTTPS_REMOTE_ORIGIN +
      '/service-workers/cache-storage/resources/simple.txt?pipe=' +
      'header(access-control-allow-origin,*)|' +
      'header(access-control-expose-headers,*)|' +
      'header(foo,bar)|' +
      'header(set-cookie,X)';

    const response = await fetch(url);
    await cache.put(new Request(url), response);
    const cached_response = await cache.match(url);

    const headers = cached_response.headers;
    assert_equals(headers.get('access-control-expose-headers'), '*');
    assert_equals(headers.get('foo'), 'bar');
    assert_equals(headers.get('set-cookie'), null);
  }, 'cors-exposed header should be stored correctly.');

cache_test(async (cache) => {
    // A URL that should load a resource with a known mime type.
    const url = '/service-workers/cache-storage/resources/blank.html';
    const expected_mime_type = 'text/html';

    // Verify we get the expected mime type from the network.  Note,
    // we cannot use an exact match here since some browsers append
    // character encoding information to the blob.type value.
    const net_response = await fetch(url);
    const net_mime_type = (await net_response.blob()).type;
    assert_true(net_mime_type.includes(expected_mime_type),
                'network response should include the expected mime type');

    // Verify we get the exact same mime type when reading the same
    // URL resource back out of the cache.
    await cache.add(url);
    const cache_response = await cache.match(url);
    const cache_mime_type = (await cache_response.blob()).type;
    assert_equals(cache_mime_type, net_mime_type,
                  'network and cache response mime types should match');
  }, 'MIME type should be set from content-header correctly.');

cache_test(async (cache) => {
    const url = '/dummy';
    const original_type = 'text/html';
    const override_type = 'text/plain';
    const init_with_headers = {
      headers: {
        'content-type': original_type
      }
    }

    // Verify constructing a synthetic response with a content-type header
    // gets the correct mime type.
    const response = new Response('hello world', init_with_headers);
    const original_response_type = (await response.blob()).type;
    assert_true(original_response_type.includes(original_type),
                'original response should include the expected mime type');

    // Verify overwriting the content-type header changes the mime type.
    const overwritten_response = new Response('hello world', init_with_headers);
    overwritten_response.headers.set('content-type', override_type);
    const overwritten_response_type = (await overwritten_response.blob()).type;
    assert_equals(overwritten_response_type, override_type,
                  'mime type can be overridden');

    // Verify the Response read from Cache uses the original mime type
    // computed when it was first constructed.
    const tmp = new Response('hello world', init_with_headers);
    tmp.headers.set('content-type', override_type);
    await cache.put(url, tmp);
    const cache_response = await cache.match(url);
    const cache_mime_type = (await cache_response.blob()).type;
    assert_equals(cache_mime_type, override_type,
                  'overwritten and cached response mime types should match');
  }, 'MIME type should reflect Content-Type headers of response.');

cache_test(async (cache) => {
  const url = new URL('./resources/vary.py?vary=foo',
      get_host_info().HTTPS_REMOTE_ORIGIN + self.location.pathname);
  const original_request = new Request(url, { mode: 'no-cors',
                                              headers: { 'foo': 'bar' } });
  const fetch_response = await fetch(original_request);
  assert_equals(fetch_response.type, 'opaque');

  await cache.put(original_request, fetch_response);

  const match_response_1 = await cache.match(original_request);
  assert_not_equals(match_response_1, undefined);

  // Verify that cache.match() finds the entry even if queried with a varied
  // header that does not match the cache key.  Vary headers should be ignored
  // for opaque responses.
  const different_request = new Request(url, { headers: { 'foo': 'CHANGED' } });
  const match_response_2 = await cache.match(different_request);
  assert_not_equals(match_response_2, undefined);
}, 'Cache.match ignores vary headers on opaque response.');

done();