Split BrowsingHistoryHandler out of history_ui.cc

chrome/browser/ui/webui/history_ui_unittest.cc

-// Copyright (c) 2013 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/ui/webui/history_ui.h"
-
-#include "base/strings/utf_string_conversions.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-struct TestResult {
-  std::string url;
-  int64 hour_offset;  // Visit time in hours past the baseline time.
-};
-
-// Duplicates on the same day in the local timezone are removed, so set a
-// baseline time in local time.
-const base::Time baseline_time = base::Time::UnixEpoch().LocalMidnight();
-
-// For each item in |results|, create a new Value representing the visit, and
-// insert it into |list_value|.
-void AddQueryResults(
-    TestResult* test_results,
-    int test_results_size,
-    std::vector<BrowsingHistoryHandler::HistoryEntry>* results) {
-  for (int i = 0; i < test_results_size; ++i) {
-    BrowsingHistoryHandler::HistoryEntry entry;
-    entry.time = baseline_time +
-                 base::TimeDelta::FromHours(test_results[i].hour_offset);
-    entry.url = GURL(test_results[i].url);
-    entry.all_timestamps.insert(entry.time.ToInternalValue());
-    results->push_back(entry);
-  }
-}
-
-// Returns true if |result| matches the test data given by |correct_result|,
-// otherwise returns false.
-bool ResultEquals(
-    const BrowsingHistoryHandler::HistoryEntry& result,
-    const TestResult& correct_result) {
-  base::Time correct_time =
-      baseline_time + base::TimeDelta::FromHours(correct_result.hour_offset);
-
-  return result.time == correct_time && result.url == GURL(correct_result.url);
-}
-
-}  // namespace
-
-// Tests that the MergeDuplicateResults method correctly removes duplicate
-// visits to the same URL on the same day.
-TEST(HistoryUITest, MergeDuplicateResults) {
-  {
-    // Basic test that duplicates on the same day are removed.
-    TestResult test_data[] = {
-      { "http://google.com", 0 },
-      { "http://google.de", 1 },
-      { "http://google.com", 2 },
-      { "http://google.com", 3 }  // Most recent.
-    };
-    std::vector<BrowsingHistoryHandler::HistoryEntry> results;
-    AddQueryResults(test_data, arraysize(test_data), &results);
-    BrowsingHistoryHandler::MergeDuplicateResults(&results);
-
-    ASSERT_EQ(2U, results.size());
-    EXPECT_TRUE(ResultEquals(results[0], test_data[3]));
-    EXPECT_TRUE(ResultEquals(results[1], test_data[1]));
-  }
-
-  {
-    // Test that a duplicate URL on the next day is not removed.
-    TestResult test_data[] = {
-      { "http://google.com", 0 },
-      { "http://google.com", 23 },
-      { "http://google.com", 24 },  // Most recent.
-    };
-    std::vector<BrowsingHistoryHandler::HistoryEntry> results;
-    AddQueryResults(test_data, arraysize(test_data), &results);
-    BrowsingHistoryHandler::MergeDuplicateResults(&results);
-
-    ASSERT_EQ(2U, results.size());
-    EXPECT_TRUE(ResultEquals(results[0], test_data[2]));
-    EXPECT_TRUE(ResultEquals(results[1], test_data[1]));
-  }
-
-  {
-    // Test multiple duplicates across multiple days.
-    TestResult test_data[] = {
-      // First day.
-      { "http://google.de", 0 },
-      { "http://google.com", 1 },
-      { "http://google.de", 2 },
-      { "http://google.com", 3 },
-
-      // Second day.
-      { "http://google.de", 24 },
-      { "http://google.com", 25 },
-      { "http://google.de", 26 },
-      { "http://google.com", 27 },  // Most recent.
-    };
-    std::vector<BrowsingHistoryHandler::HistoryEntry> results;
-    AddQueryResults(test_data, arraysize(test_data), &results);
-    BrowsingHistoryHandler::MergeDuplicateResults(&results);
-
-    ASSERT_EQ(4U, results.size());
-    EXPECT_TRUE(ResultEquals(results[0], test_data[7]));
-    EXPECT_TRUE(ResultEquals(results[1], test_data[6]));
-    EXPECT_TRUE(ResultEquals(results[2], test_data[3]));
-    EXPECT_TRUE(ResultEquals(results[3], test_data[2]));
-  }
-
-  {
-    // Test that timestamps for duplicates are properly saved.
-    TestResult test_data[] = {
-      { "http://google.com", 0 },
-      { "http://google.de", 1 },
-      { "http://google.com", 2 },
-      { "http://google.com", 3 }  // Most recent.
-    };
-    std::vector<BrowsingHistoryHandler::HistoryEntry> results;
-    AddQueryResults(test_data, arraysize(test_data), &results);
-    BrowsingHistoryHandler::MergeDuplicateResults(&results);
-
-    ASSERT_EQ(2U, results.size());
-    EXPECT_TRUE(ResultEquals(results[0], test_data[3]));
-    EXPECT_TRUE(ResultEquals(results[1], test_data[1]));
-    EXPECT_EQ(3u, results[0].all_timestamps.size());
-    EXPECT_EQ(1u, results[1].all_timestamps.size());
-  }
-}