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// Copyright 2014 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/answers_cache.h"
#include "base/strings/utf_string_conversions.h"
#include "testing/gtest/include/gtest/gtest.h"
TEST(AnswersCacheTest, CacheStartsEmpty) {
AnswersCache cache(1);
EXPECT_TRUE(cache.empty());
}
TEST(AnswersCacheTest, UpdatePopulatesCache) {
AnswersCache cache(1);
cache.UpdateRecentAnswers(u"weather los angeles",
omnibox::ANSWER_TYPE_WEATHER);
EXPECT_FALSE(cache.empty());
}
TEST(AnswersCacheTest, GetWillRetrieveMatchingInfo) {
AnswersCache cache(1);
std::u16string full_query_text = u"weather los angeles";
omnibox::AnswerType query_type = omnibox::ANSWER_TYPE_WEATHER;
cache.UpdateRecentAnswers(full_query_text, query_type);
// Partial prefixes retrieve info.
AnswersQueryData data = cache.GetTopAnswerEntry(full_query_text.substr(0, 8));
EXPECT_EQ(full_query_text, data.full_query_text);
EXPECT_EQ(query_type, data.query_type);
// Mismatched prefix retrieves empty data.
data = cache.GetTopAnswerEntry(full_query_text.substr(1, 8));
EXPECT_TRUE(data.full_query_text.empty());
EXPECT_EQ(omnibox::ANSWER_TYPE_UNSPECIFIED, data.query_type);
// Full match retrieves info.
data = cache.GetTopAnswerEntry(full_query_text);
EXPECT_EQ(full_query_text, data.full_query_text);
EXPECT_EQ(query_type, data.query_type);
}
TEST(AnswersCacheTest, MatchMostRecent) {
AnswersCache cache(2);
std::u16string query_weather_la = u"weather los angeles";
std::u16string query_weather_lv = u"weather las vegas";
omnibox::AnswerType query_type = omnibox::ANSWER_TYPE_WEATHER;
cache.UpdateRecentAnswers(query_weather_lv, query_type);
cache.UpdateRecentAnswers(query_weather_la, query_type);
// "weather los angeles" is most recent match to "weather l".
AnswersQueryData data = cache.GetTopAnswerEntry(u"weather l");
EXPECT_EQ(query_weather_la, data.full_query_text);
// Update recency for "weather las vegas".
cache.GetTopAnswerEntry(query_weather_lv);
// "weather las vegas" should now be the most recent match to "weather l".
data = cache.GetTopAnswerEntry(u"weather l");
EXPECT_EQ(query_weather_lv, data.full_query_text);
}
TEST(AnswersCacheTest, LeastRecentItemIsEvicted) {
AnswersCache cache(2);
std::u16string query_weather_la = u"weather los angeles";
std::u16string query_weather_lv = u"weather las vegas";
std::u16string query_weather_lb = u"weather long beach";
omnibox::AnswerType query_type = omnibox::ANSWER_TYPE_WEATHER;
cache.UpdateRecentAnswers(query_weather_lb, query_type);
cache.UpdateRecentAnswers(query_weather_lv, query_type);
EXPECT_FALSE(
cache.GetTopAnswerEntry(query_weather_lb).full_query_text.empty());
EXPECT_FALSE(
cache.GetTopAnswerEntry(query_weather_lv).full_query_text.empty());
EXPECT_TRUE(
cache.GetTopAnswerEntry(query_weather_la).full_query_text.empty());
cache.UpdateRecentAnswers(query_weather_la, query_type);
EXPECT_TRUE(
cache.GetTopAnswerEntry(query_weather_lb).full_query_text.empty());
EXPECT_FALSE(
cache.GetTopAnswerEntry(query_weather_lv).full_query_text.empty());
EXPECT_FALSE(
cache.GetTopAnswerEntry(query_weather_la).full_query_text.empty());
}
TEST(AnswersCacheTest, DuplicateEntries) {
AnswersCache cache(2);
std::u16string query_weather_lv = u"weather las vegas";
std::u16string query_weather_lb = u"weather long beach";
std::u16string query_weather_l = u"weather l";
omnibox::AnswerType query_type = omnibox::ANSWER_TYPE_WEATHER;
cache.UpdateRecentAnswers(query_weather_lb, query_type);
cache.UpdateRecentAnswers(query_weather_lv, query_type);
// Test that duplicate entries update recency.
cache.UpdateRecentAnswers(query_weather_lb, query_type);
EXPECT_EQ(query_weather_lb,
cache.GetTopAnswerEntry(query_weather_l).full_query_text);
// Test duplicate do not evict other entries. LV should still be in cache.
cache.UpdateRecentAnswers(query_weather_lb, query_type);
EXPECT_FALSE(
cache.GetTopAnswerEntry(query_weather_lv).full_query_text.empty());
}
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