chrome/browser/ui/omnibox/omnibox_pedals_unittest.cc

// Copyright 2020 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.

#include "base/environment.h"
#include "base/strings/utf_string_conversions.h"
#include "components/omnibox/browser/mock_autocomplete_provider_client.h"
#include "components/omnibox/browser/omnibox_pedal_provider.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/resource/resource_bundle.h"

// Note: Pedals have their own components unit tests, which should be
// the preferred place for testing the classes. The tests here are for
// testing things that depend on Chrome resources, for example the localization
// pak files generated by chrome:packed_resources.

TEST(OmniboxPedals, DataLoadsForAllLocales) {
  // Locale selection is platform sensitive. On Linux, environment is used.
  std::unique_ptr<base::Environment> env = base::Environment::Create();
  MockAutocompleteProviderClient client;

  struct TestCase {
    std::string locale;
    std::string trigger;
  };
  const TestCase test_cases[] = {
      // clang-format off
      {"am", "ሰርዝ ታሪክ"},
      {"de", "leeren cache"},
      {"en", "clear history"},
      {"fr", "supprime historique"},
      {"ja", "消す 履歴"},
      {"zh-CN", "清除 数据"},
      // clang-format on
  };
  for (const TestCase& test_case : test_cases) {
    // Prepare the shared ResourceBundle with data for tested locale.
    env->SetVar("LANG", test_case.locale);
    ui::ResourceBundle::GetSharedInstance().ReloadLocaleResources(
        test_case.locale);

    // Instantiating the provider loads concept data from shared ResourceBundle.
    OmniboxPedalProvider provider(client);

    EXPECT_EQ(provider.FindPedalMatch(base::UTF8ToUTF16("")), nullptr);
#if defined(OS_CHROMEOS)
    // TODO(orinj): Get ChromeOS to use the right dataset, but for now make this
    //  a soft failure so as to not block all other platforms. To ensure this
    //  is not going to cause failure in production, still test that English
    //  triggering functions. Data is there; it works; but warn about locale.
    if (!provider.FindPedalMatch(base::UTF8ToUTF16(test_case.trigger))) {
      EXPECT_NE(provider.FindPedalMatch(base::UTF8ToUTF16("clear history")),
                nullptr);
      LOG(WARNING) << "ChromeOS using English for locale " << test_case.locale;
      continue;
    }
#endif
    EXPECT_NE(provider.FindPedalMatch(base::UTF8ToUTF16(test_case.trigger)),
              nullptr)
        << "locale: " << test_case.locale;
  }
}