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// Copyright 2012 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/no_state_prefetch/browser/no_state_prefetch_history.h"
#include <stddef.h>
#include <memory>
#include "base/values.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace prerender {
namespace {
bool ListEntryMatches(const base::Value::List& list,
size_t index,
const char* expected_url,
FinalStatus expected_final_status,
Origin expected_origin,
const std::string& expected_end_time) {
if (index >= list.size()) {
return false;
}
const base::Value& value = list[index];
if (!value.is_dict()) {
return false;
}
const base::Value::Dict& dict = value.GetDict();
if (dict.size() != 4u) {
return false;
}
const std::string* url = dict.FindString("url");
if (!url) {
return false;
}
if (*url != expected_url) {
return false;
}
const std::string* final_status = dict.FindString("final_status");
if (!final_status) {
return false;
}
if (*final_status != NameFromFinalStatus(expected_final_status)) {
return false;
}
const std::string* origin = dict.FindString("origin");
if (!origin) {
return false;
}
if (*origin != NameFromOrigin(expected_origin)) {
return false;
}
const std::string* end_time = dict.FindString("end_time");
if (!end_time) {
return false;
}
if (*end_time != expected_end_time) {
return false;
}
return true;
}
TEST(NoStatePrefetchHistoryTest, GetAsValue) {
// Create a history with only 2 values.
NoStatePrefetchHistory history(2);
// Make sure an empty list exists when retrieving as value.
base::Value::List entry_value = history.CopyEntriesAsValue();
EXPECT_TRUE(entry_value.empty());
// Base time used for all events. Each event is given a time 1 millisecond
// after that of the previous one.
base::Time epoch_start = base::Time::UnixEpoch();
// Add a single entry and make sure that it matches up.
const char* const kFirstUrl = "http://www.alpha.com/";
const FinalStatus kFirstFinalStatus = FINAL_STATUS_USED;
const Origin kFirstOrigin = ORIGIN_LINK_REL_PRERENDER_CROSSDOMAIN;
NoStatePrefetchHistory::Entry entry_first(GURL(kFirstUrl), kFirstFinalStatus,
kFirstOrigin, epoch_start);
history.AddEntry(entry_first);
entry_value = history.CopyEntriesAsValue();
EXPECT_EQ(1u, entry_value.size());
EXPECT_TRUE(ListEntryMatches(entry_value, 0u, kFirstUrl, kFirstFinalStatus,
kFirstOrigin, "0"));
// Add a second entry and make sure both first and second appear.
const char* const kSecondUrl = "http://www.beta.com/";
const FinalStatus kSecondFinalStatus = FINAL_STATUS_DUPLICATE;
const Origin kSecondOrigin = ORIGIN_SAME_ORIGIN_SPECULATION;
NoStatePrefetchHistory::Entry entry_second(
GURL(kSecondUrl), kSecondFinalStatus, kSecondOrigin,
epoch_start + base::Milliseconds(1));
history.AddEntry(entry_second);
entry_value = history.CopyEntriesAsValue();
EXPECT_EQ(2u, entry_value.size());
EXPECT_TRUE(ListEntryMatches(entry_value, 0u, kSecondUrl, kSecondFinalStatus,
kSecondOrigin, "1"));
EXPECT_TRUE(ListEntryMatches(entry_value, 1u, kFirstUrl, kFirstFinalStatus,
kFirstOrigin, "0"));
// Add a third entry and make sure that the first one drops off.
const char* const kThirdUrl = "http://www.gamma.com/";
const FinalStatus kThirdFinalStatus = FINAL_STATUS_AUTH_NEEDED;
const Origin kThirdOrigin = ORIGIN_LINK_REL_PRERENDER_CROSSDOMAIN;
NoStatePrefetchHistory::Entry entry_third(
GURL(kThirdUrl), kThirdFinalStatus, kThirdOrigin,
epoch_start + base::Milliseconds(2));
history.AddEntry(entry_third);
entry_value = history.CopyEntriesAsValue();
EXPECT_EQ(2u, entry_value.size());
EXPECT_TRUE(ListEntryMatches(entry_value, 0u, kThirdUrl, kThirdFinalStatus,
kThirdOrigin, "2"));
EXPECT_TRUE(ListEntryMatches(entry_value, 1u, kSecondUrl, kSecondFinalStatus,
kSecondOrigin, "1"));
// Make sure clearing history acts as expected.
history.Clear();
entry_value = history.CopyEntriesAsValue();
EXPECT_TRUE(entry_value.empty());
}
} // namespace
} // namespace prerender
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