Move classes to //components/ntp_tiles.

chrome/browser/android/ntp/most_visited_sites_unittest.cc

-// 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.
-
-#include "chrome/browser/android/ntp/most_visited_sites.h"
-
-#include <stddef.h>
-
-#include <memory>
-#include <vector>
-
-#include "base/macros.h"
-#include "base/memory/ptr_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-struct TitleURL {
-  TitleURL(const std::string& title, const std::string& url)
-      : title(base::UTF8ToUTF16(title)), url(url) {}
-  TitleURL(const base::string16& title, const std::string& url)
-      : title(title), url(url) {}
-
-  base::string16 title;
-  std::string url;
-
-  bool operator==(const TitleURL& other) const {
-    return title == other.title && url == other.url;
-  }
-};
-
-static const size_t kNumSites = 4;
-
-}  // namespace
-
-// This a test for MostVisitedSites::MergeSuggestions(...) method, and thus has
-// the same scope as the method itself. This tests merging popular suggestions
-// with personal suggestions.
-// More important things out of the scope of testing presently:
-// - Removing blacklisted suggestions.
-// - Correct host extraction from the URL.
-// - Ensuring personal suggestions are not duplicated in popular suggestions.
-class MostVisitedSitesTest : public testing::Test {
- protected:
-  void Check(const std::vector<TitleURL>& popular_sites,
-             const std::vector<TitleURL>& whitelist_entry_points,
-             const std::vector<TitleURL>& personal_sites,
-             const std::vector<bool>& expected_sites_is_personal,
-             const std::vector<TitleURL>& expected_sites) {
-    MostVisitedSites::SuggestionsPtrVector personal_suggestions;
-    for (const TitleURL& site : personal_sites)
-      personal_suggestions.push_back(MakeSuggestionFrom(site, true, false));
-    MostVisitedSites::SuggestionsPtrVector whitelist_suggestions;
-    for (const TitleURL& site : whitelist_entry_points)
-      whitelist_suggestions.push_back(MakeSuggestionFrom(site, false, true));
-    MostVisitedSites::SuggestionsPtrVector popular_suggestions;
-    for (const TitleURL& site : popular_sites)
-      popular_suggestions.push_back(MakeSuggestionFrom(site, false, false));
-    MostVisitedSites::SuggestionsPtrVector result_suggestions =
-        MostVisitedSites::MergeSuggestions(&personal_suggestions,
-                                           &whitelist_suggestions,
-                                           &popular_suggestions);
-    std::vector<TitleURL> result_sites;
-    std::vector<bool> result_is_personal;
-    result_sites.reserve(result_suggestions.size());
-    result_is_personal.reserve(result_suggestions.size());
-    for (const auto& suggestion : result_suggestions) {
-      result_sites.push_back(
-          TitleURL(suggestion->title, suggestion->url.spec()));
-      result_is_personal.push_back(suggestion->source !=
-                                   MostVisitedSites::POPULAR);
-    }
-    EXPECT_EQ(expected_sites_is_personal, result_is_personal);
-    EXPECT_EQ(expected_sites, result_sites);
-  }
-  static std::unique_ptr<MostVisitedSites::Suggestion> MakeSuggestionFrom(
-      const TitleURL& title_url,
-      bool is_personal,
-      bool whitelist) {
-    std::unique_ptr<MostVisitedSites::Suggestion> suggestion =
-        base::WrapUnique(new MostVisitedSites::Suggestion());
-    suggestion->title = title_url.title;
-    suggestion->url = GURL(title_url.url);
-    suggestion->source = whitelist ? MostVisitedSites::WHITELIST
-                                   : (is_personal ? MostVisitedSites::TOP_SITES
-                                                  : MostVisitedSites::POPULAR);
-    return suggestion;
-  }
-};
-
-TEST_F(MostVisitedSitesTest, PersonalSites) {
-  std::vector<TitleURL> personal_sites{
-      TitleURL("Site 1", "https://www.site1.com/"),
-      TitleURL("Site 2", "https://www.site2.com/"),
-      TitleURL("Site 3", "https://www.site3.com/"),
-      TitleURL("Site 4", "https://www.site4.com/"),
-  };
-  // Without any popular suggestions, the result after merge should be the
-  // personal suggestions.
-  std::vector<bool> expected_sites_source(kNumSites, true /*personal source*/);
-  Check(std::vector<TitleURL>(), std::vector<TitleURL>(), personal_sites,
-        expected_sites_source, personal_sites);
-}
-
-TEST_F(MostVisitedSitesTest, PopularSites) {
-  std::vector<TitleURL> popular_sites{
-      TitleURL("Site 1", "https://www.site1.com/"),
-      TitleURL("Site 2", "https://www.site2.com/"),
-      TitleURL("Site 3", "https://www.site3.com/"),
-      TitleURL("Site 4", "https://www.site4.com/"),
-  };
-  // Without any personal suggestions, the result after merge should be the
-  // popular suggestions.
-  std::vector<bool> expected_sites_source(kNumSites, false /*popular source*/);
-  Check(popular_sites, std::vector<TitleURL>(), std::vector<TitleURL>(),
-        expected_sites_source, popular_sites);
-}
-
-TEST_F(MostVisitedSitesTest, PersonalPrecedePopularSites) {
-  std::vector<TitleURL> popular_sites{
-      TitleURL("Site 1", "https://www.site1.com/"),
-      TitleURL("Site 2", "https://www.site2.com/"),
-  };
-  std::vector<TitleURL> personal_sites{
-      TitleURL("Site 3", "https://www.site3.com/"),
-      TitleURL("Site 4", "https://www.site4.com/"),
-  };
-  // Personal suggestions should precede popular suggestions.
-  std::vector<TitleURL> expected_sites{
-      TitleURL("Site 3", "https://www.site3.com/"),
-      TitleURL("Site 4", "https://www.site4.com/"),
-      TitleURL("Site 1", "https://www.site1.com/"),
-      TitleURL("Site 2", "https://www.site2.com/"),
-  };
-  std::vector<bool> expected_sites_source{true, true, false, false};
-  Check(popular_sites, std::vector<TitleURL>(), personal_sites,
-        expected_sites_source, expected_sites);
-}