chrome/browser/resources/downloads/search_service_unittest.gtestjs

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

/**
 * @param {!Array<string>} list
 * @return {string}
 */
function str(list) {
  return JSON.stringify(list);
}

var SearchServiceUnitTest = class extends testing.Test {
  /** @override */
  get extraLibraries() {
    return [
      '../../../../ui/webui/resources/js/cr.js',
      'browser_proxy.js',
      'search_service.js',
    ];
  }
}

TEST_F('SearchServiceUnitTest', 'splitTerms', function() {
  const SearchService = downloads.SearchService;
  assertEquals(str([]), str(SearchService.splitTerms('')));
  assertEquals(str([]), str(SearchService.splitTerms('  ')));
  assertEquals(str(['a']), str(SearchService.splitTerms('a')));
  assertEquals(str(['a b']), str(SearchService.splitTerms('a b')));
  assertEquals(str(['a', 'b']), str(SearchService.splitTerms('a "b"')));
  assertEquals(str(['a', 'b', 'c']), str(SearchService.splitTerms('a "b" c')));
  assertEquals(str(['a', 'b b', 'c']),
               str(SearchService.splitTerms('a "b b" c')));
});

TEST_F('SearchServiceUnitTest', 'searchWithSimilarTerms', function() {
  // TODO(calamity): Replace this with an downloads.mojom.PageHandlerProxy()
  // once we can include generated files from inside a gtestjs.
  downloads.BrowserProxy.instance_ = {handler: {}};
  class TestSearchService extends downloads.SearchService {
    loadMore() { /* Remove call to backend. */ }
  }

  const searchService = new TestSearchService();

  assertTrue(searchService.search('a'));
  assertFalse(searchService.search('a '));  // Same term + space should no-op.
});