CacheStorage: Expand cache.keys() method.

third_party/WebKit/LayoutTests/http/tests/cachestorage/script-tests/cache-keys.js

+if (self.importScripts) {
+    importScripts('/resources/testharness.js');
+    importScripts('../resources/test-helpers.js');
+}
+
+prepopulated_cache_test(simple_entries, function(cache, entries) {
+    return cache.keys('not-present-in-the-cache')
+      .then(function(result) {
+          assert_request_array_equals(
+            result, [],
+            'Cache.keys should resolve with an empty array on failure.');
+        });
+  }, 'Cache.keys with no matching entries');
+
+prepopulated_cache_test(simple_entries, function(cache, entries) {
+    return cache.keys(entries.a.request.url)
+      .then(function(result) {
+          assert_request_array_equals(result, [entries.a.request],
+                                      'Cache.keys should match by URL.');
+        });
+  }, 'Cache.keys with URL');
+
+prepopulated_cache_test(simple_entries, function(cache, entries) {
+    return cache.keys(entries.a.request)
+      .then(function(result) {
+          assert_request_array_equals(
+            result, [entries.a.request],
+            'Cache.keys should match by Request.');
+        });
+  }, 'Cache.keys with Request');
+
+prepopulated_cache_test(simple_entries, function(cache, entries) {
+    return cache.keys(new Request(entries.a.request.url))
+      .then(function(result) {
+          assert_request_array_equals(
+            result, [entries.a.request],
+            'Cache.keys should match by Request.');
+        });
+  }, 'Cache.keys with new Request');
+
+prepopulated_cache_test(simple_entries, function(cache, entries) {
+    return cache.keys(entries.a.request, {ignoreSearch: true})
+      .then(function(result) {
+          // TODO(zino): Should use assert_request_array_equals() instead of
+          // assert_request_array_equivalent() once keys() returns request
+          // keys in key insertion order. Please see http://crbug.com/627821.
+          assert_request_array_equivalent(
+            result,
+            [
+              entries.a.request,
+              entries.a_with_query.request
+            ],
+            'Cache.keys with ignoreSearch should ignore the ' +
+            'search parameters of cached request.');
+        });
+  },
+  'Cache.keys with ignoreSearch option (request with no search ' +
+  'parameters)');
+
+prepopulated_cache_test(simple_entries, function(cache, entries) {
+    return cache.keys(entries.a_with_query.request, {ignoreSearch: true})
+      .then(function(result) {
+          // TODO(zino): Should use assert_request_array_equals() instead of
+          // assert_request_array_equivalent() if once keys() returns request
+          // keys in key insertion order. Please see http://crbug.com/627821.
+          assert_request_array_equivalent(
+            result,
+            [
+              entries.a.request,
+              entries.a_with_query.request
+            ],
+            'Cache.keys with ignoreSearch should ignore the ' +
+            'search parameters of request.');
+        });
+  },
+  'Cache.keys with ignoreSearch option (request with search parameters)');
+
+prepopulated_cache_test(simple_entries, function(cache, entries) {
+    return cache.keys(entries.cat.request.url + '#mouse')
+      .then(function(result) {
+          assert_request_array_equals(
+            result,
+            [
+              entries.cat.request,
+            ],
+            'Cache.keys should ignore URL fragment.');
+        });
+  }, 'Cache.keys with URL containing fragment');
+
+prepopulated_cache_test(simple_entries, function(cache, entries) {
+    return cache.keys('http')
+      .then(function(result) {
+          assert_request_array_equals(
+            result, [],
+            'Cache.keys should treat query as a URL and not ' +
+            'just a string fragment.');
+        });
+  }, 'Cache.keys with string fragment "http" as query');
+
+prepopulated_cache_test(simple_entries, function(cache, entries) {
+    return cache.keys()
+      .then(function(result) {
+          // TODO(zino): Should use assert_request_array_equals() instead of
+          // assert_request_array_equivalent() once keys() returns request
+          // keys in key insertion order. Please see http://crbug.com/627821.
+          assert_request_array_equivalent(
+            result,
+            [
+              entries.a.request,
+              entries.b.request,
+              entries.a_with_query.request,
+              entries.A.request,
+              entries.a_https.request,
+              entries.a_org.request,
+              entries.cat.request,
+              entries.catmandu.request,
+              entries.cat_num_lives.request,
+              entries.cat_in_the_hat.request,
+              entries.non_2xx_response.request,
+              entries.error_response.request
+            ],
+            'Cache.keys without parameters should match all entries.');
+        });
+  }, 'Cache.keys without parameters');
+
+done();