File: omnibox_popup_selection_unittest.cc

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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/omnibox/browser/omnibox_popup_selection.h"

#include <stddef.h>

#include <memory>
#include <string>

#include "base/test/scoped_feature_list.h"
#include "base/test/task_environment.h"
#include "build/build_config.h"
#include "components/omnibox/browser/autocomplete_match.h"
#include "components/omnibox/browser/autocomplete_result.h"
#include "components/omnibox/browser/fake_autocomplete_provider_client.h"
#include "components/omnibox/browser/mock_aim_eligibility_service.h"
#include "components/omnibox/browser/test_omnibox_client.h"
#include "components/omnibox/common/omnibox_features.h"
#include "components/prefs/testing_pref_service.h"
#include "components/search_engines/template_url_service.h"
#include "testing/gtest/include/gtest/gtest.h"

using LineState = OmniboxPopupSelection::LineState;
using Direction = OmniboxPopupSelection::Direction;
using Step = OmniboxPopupSelection::Step;

class OmniboxPopupSelectionTest : public testing::Test {
 public:
  AutocompleteProviderClient* client() { return &client_; }

  void SetAimEligibility(bool eligibility) {
    MockAimEligibilityService* mock_aim_eligibility_service =
        static_cast<MockAimEligibilityService*>(
            client_.GetAimEligibilityService());
    EXPECT_CALL(*mock_aim_eligibility_service, IsServerEligibilityEnabled())
        .WillRepeatedly(testing::Return(eligibility));
    EXPECT_CALL(*mock_aim_eligibility_service, IsAimLocallyEligible())
        .WillRepeatedly(testing::Return(eligibility));
    EXPECT_CALL(*mock_aim_eligibility_service, IsAimEligible())
        .WillRepeatedly(testing::Return(eligibility));
  }

 protected:
  void SetUp() override {}

  void TearDown() override { SetAimEligibility(false); }

 private:
  FakeAutocompleteProviderClient client_;

  base::test::TaskEnvironment task_environment_;
};

// Desktop has special selection handling for starter pack keyword mode.
#if !BUILDFLAG(IS_ANDROID) && !BUILDFLAG(IS_IOS)
TEST_F(OmniboxPopupSelectionTest, SelectionWithKeywordMode) {
  const std::u16string test_keyword = u"@bookmarks";
  TestOmniboxClient client;
  CHECK(client.GetTemplateURLService());
  client.GetTemplateURLService()->Load();
  client.GetTemplateURLService()->RepairStarterPackEngines();
  CHECK(client.GetTemplateURLService()->GetTemplateURLForKeyword(test_keyword));

  TestingPrefServiceSimple pref_service;
  AutocompleteInput input;
  AutocompleteResult result;
  result.AppendMatches({
      {nullptr, 1000, false, AutocompleteMatchType::SEARCH_SUGGEST},
      {nullptr, 900, false, AutocompleteMatchType::STARTER_PACK},
      {nullptr, 800, false, AutocompleteMatchType::HISTORY_EMBEDDINGS},
  });
  result.match_at(1u)->associated_keyword = std::make_unique<AutocompleteMatch>(
      nullptr, 1000, false, AutocompleteMatchType::SEARCH_WHAT_YOU_TYPED);
  result.match_at(1u)->associated_keyword->keyword = test_keyword;

  auto autocomplete_provider_client = client.CreateAutocompleteProviderClient();
  OmniboxPopupSelection next = OmniboxPopupSelection(0u).GetNextSelection(
      input, result, client.GetTemplateURLService(),
      autocomplete_provider_client.get(), Direction::kForward,
      Step::kWholeLine);
  EXPECT_EQ(next.line, 1u);
  EXPECT_EQ(next.state, LineState::KEYWORD_MODE);

  next = OmniboxPopupSelection(0u).GetNextSelection(
      input, result, client.GetTemplateURLService(),
      autocomplete_provider_client.get(), Direction::kForward,
      Step::kStateOrLine);
  EXPECT_EQ(next.line, 1u);
  EXPECT_EQ(next.state, LineState::KEYWORD_MODE);

  next = OmniboxPopupSelection(1u, LineState::KEYWORD_MODE)
             .GetNextSelection(input, result, client.GetTemplateURLService(),
                               autocomplete_provider_client.get(),
                               Direction::kForward, Step::kWholeLine);
  EXPECT_EQ(next.line, 2u);
  EXPECT_EQ(next.state, LineState::NORMAL);

  next = OmniboxPopupSelection(1u, LineState::KEYWORD_MODE)
             .GetNextSelection(input, result, client.GetTemplateURLService(),
                               autocomplete_provider_client.get(),
                               Direction::kForward, Step::kStateOrLine);
  EXPECT_EQ(next.line, 2u);
  EXPECT_EQ(next.state, LineState::NORMAL);

  next = OmniboxPopupSelection(2u).GetNextSelection(
      input, result, client.GetTemplateURLService(),
      autocomplete_provider_client.get(), Direction::kForward,
      Step::kWholeLine);
  EXPECT_EQ(next.line, 0u);
  EXPECT_EQ(next.state, LineState::NORMAL);

  next = OmniboxPopupSelection(2u).GetNextSelection(
      input, result, client.GetTemplateURLService(),
      autocomplete_provider_client.get(), Direction::kForward,
      Step::kStateOrLine);
  EXPECT_EQ(next.line, 2u);
  EXPECT_EQ(next.state, LineState::FOCUSED_BUTTON_THUMBS_UP);

  next = OmniboxPopupSelection(2u, LineState::FOCUSED_BUTTON_THUMBS_UP)
             .GetNextSelection(input, result, client.GetTemplateURLService(),
                               autocomplete_provider_client.get(),
                               Direction::kForward, Step::kStateOrLine);
  EXPECT_EQ(next.line, 2u);
  EXPECT_EQ(next.state, LineState::FOCUSED_BUTTON_THUMBS_DOWN);

  next = OmniboxPopupSelection(2u, LineState::FOCUSED_BUTTON_THUMBS_DOWN)
             .GetNextSelection(input, result, client.GetTemplateURLService(),
                               autocomplete_provider_client.get(),
                               Direction::kForward, Step::kStateOrLine);
  EXPECT_EQ(next.line, 0u);
  EXPECT_EQ(next.state, LineState::NORMAL);
}

TEST_F(OmniboxPopupSelectionTest, SelectionWithAIMButton) {
  base::test::ScopedFeatureList feature_list;
  feature_list.InitAndEnableFeature(omnibox::kAiModeOmniboxEntryPoint);
  SetAimEligibility(true);

  AutocompleteInput input;
  AutocompleteResult result;
  result.AppendMatches({
      {nullptr, 1000, false, AutocompleteMatchType::SEARCH_SUGGEST},
      {nullptr, 900, false, AutocompleteMatchType::HISTORY_URL},
      {nullptr, 800, false, AutocompleteMatchType::HISTORY_TITLE},
  });

  // In the typed input (non-zero suggest) case, the first match in the list
  // will be selected by default.
  OmniboxPopupSelection initial{0u, LineState::NORMAL};

  {
    // Whole line stepping should skip the AIM button and just select the next
    // match.
    OmniboxPopupSelection next = initial.GetNextSelection(
        input, result, /*template_url_service=*/nullptr,
        /*client=*/client(), Direction::kForward, Step::kWholeLine);
    EXPECT_EQ(next.line, 1u);
    EXPECT_EQ(next.state, LineState::NORMAL);
  }

  {
    // "Line or state" stepping should focus the AIM button associated with the
    // first match.
    OmniboxPopupSelection next = initial.GetNextSelection(
        input, result, /*template_url_service=*/nullptr,
        /*client=*/client(), Direction::kForward, Step::kStateOrLine);
    EXPECT_EQ(next.line, 0u);
    EXPECT_EQ(next.state, LineState::FOCUSED_BUTTON_AIM);

    // Then move to the next regular match.
    next = next.GetNextSelection(
        input, result, /*template_url_service=*/nullptr,
        /*client=*/client(), Direction::kForward, Step::kStateOrLine);
    EXPECT_EQ(next.line, 1u);
    EXPECT_EQ(next.state, LineState::NORMAL);

    // And then the one after that.
    next = next.GetNextSelection(
        input, result, /*template_url_service=*/nullptr,
        /*client=*/client(), Direction::kForward, Step::kStateOrLine);
    EXPECT_EQ(next.line, 2u);
    EXPECT_EQ(next.state, LineState::NORMAL);
  }
}

TEST_F(OmniboxPopupSelectionTest, SelectionWithAIMButtonZeroInput) {
  base::test::ScopedFeatureList feature_list;
  feature_list.InitAndEnableFeature(omnibox::kAiModeOmniboxEntryPoint);
  SetAimEligibility(true);

  AutocompleteInput input;
  // INTERACTION_FOCUS indicates that there is no user input.
  input.set_focus_type(metrics::OmniboxFocusType::INTERACTION_FOCUS);
  AutocompleteResult result;
  result.AppendMatches({
      {nullptr, 1000, false, AutocompleteMatchType::SEARCH_SUGGEST},
      {nullptr, 900, false, AutocompleteMatchType::HISTORY_URL},
      {nullptr, 800, false, AutocompleteMatchType::HISTORY_TITLE},
  });

  // In the zero suggest case, there is no default match, which is represented
  // by a `line` value of `kNoMatch`.
  OmniboxPopupSelection initial{OmniboxPopupSelection::kNoMatch,
                                LineState::NORMAL};

  {
    // Whole line stepping should skip the AIM button and just select the first
    // match.
    OmniboxPopupSelection next = initial.GetNextSelection(
        input, result, /*template_url_service=*/nullptr,
        /*client=*/client(), Direction::kForward, Step::kWholeLine);
    EXPECT_EQ(next.line, 0u);
    EXPECT_EQ(next.state, LineState::NORMAL);
  }

  {
    // "Line or state" stepping should focus the AIM button, which is first in
    // the selection order when we're in zero suggest state.
    OmniboxPopupSelection next = initial.GetNextSelection(
        input, result, /*template_url_service=*/nullptr,
        /*client=*/client(), Direction::kForward, Step::kStateOrLine);
    EXPECT_EQ(next.line, OmniboxPopupSelection::kNoMatch);
    EXPECT_EQ(next.state, LineState::FOCUSED_BUTTON_AIM);

    // Then move to the first regular match.
    next = next.GetNextSelection(
        input, result, /*template_url_service=*/nullptr,
        /*client=*/client(), Direction::kForward, Step::kStateOrLine);
    EXPECT_EQ(next.line, 0u);
    EXPECT_EQ(next.state, LineState::NORMAL);

    // And then the one after that.
    next = next.GetNextSelection(
        input, result, /*template_url_service=*/nullptr,
        /*client=*/client(), Direction::kForward, Step::kStateOrLine);
    EXPECT_EQ(next.line, 1u);
    EXPECT_EQ(next.state, LineState::NORMAL);
  }
}

#endif