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// Copyright (c) 2006-2008 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 <string>
#include "base/string_util.h"
#include "base/time.h"
#include "chrome/browser/metrics/metrics_log.h"
#include "googleurl/src/gurl.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::TimeDelta;
namespace {
class MetricsLogTest : public testing::Test {
};
};
TEST(MetricsLogTest, EmptyRecord) {
std::string expected_output = "<log clientid=\"bogus client ID\"/>";
MetricsLog log("bogus client ID", 0);
log.CloseLog();
int size = log.GetEncodedLogSize();
ASSERT_GT(size, 0);
std::string encoded;
ASSERT_TRUE(log.GetEncodedLog(WriteInto(&encoded, size), size));
ASSERT_EQ(expected_output, encoded);
}
namespace {
class NoTimeMetricsLog : public MetricsLog {
public:
NoTimeMetricsLog(std::string client_id, int session_id):
MetricsLog(client_id, session_id) {}
virtual ~NoTimeMetricsLog() {}
// Override this so that output is testable.
virtual std::string GetCurrentTimeString() {
return std::string();
}
};
}; // namespace
TEST(MetricsLogTest, WindowEvent) {
std::string expected_output =
"<log clientid=\"bogus client ID\">\n"
" <window action=\"create\" windowid=\"0\" session=\"0\" time=\"\"/>\n"
" <window action=\"open\" windowid=\"1\" parent=\"0\" "
"session=\"0\" time=\"\"/>\n"
" <window action=\"close\" windowid=\"1\" parent=\"0\" "
"session=\"0\" time=\"\"/>\n"
" <window action=\"destroy\" windowid=\"0\" session=\"0\" time=\"\"/>\n"
"</log>";
NoTimeMetricsLog log("bogus client ID", 0);
log.RecordWindowEvent(MetricsLog::WINDOW_CREATE, 0, -1);
log.RecordWindowEvent(MetricsLog::WINDOW_OPEN, 1, 0);
log.RecordWindowEvent(MetricsLog::WINDOW_CLOSE, 1, 0);
log.RecordWindowEvent(MetricsLog::WINDOW_DESTROY, 0, -1);
log.CloseLog();
ASSERT_EQ(4, log.num_events());
int size = log.GetEncodedLogSize();
ASSERT_GT(size, 0);
std::string encoded;
ASSERT_TRUE(log.GetEncodedLog(WriteInto(&encoded, size), size));
ASSERT_EQ(expected_output, encoded);
}
TEST(MetricsLogTest, LoadEvent) {
std::string expected_output =
"<log clientid=\"bogus client ID\">\n"
" <document action=\"load\" docid=\"1\" window=\"3\" loadtime=\"7219\" "
"origin=\"link\" "
"session=\"0\" time=\"\"/>\n"
"</log>";
NoTimeMetricsLog log("bogus client ID", 0);
log.RecordLoadEvent(3, GURL("http://google.com"), PageTransition::LINK,
1, TimeDelta::FromMilliseconds(7219));
log.CloseLog();
ASSERT_EQ(1, log.num_events());
int size = log.GetEncodedLogSize();
ASSERT_GT(size, 0);
std::string encoded;
ASSERT_TRUE(log.GetEncodedLog(WriteInto(&encoded, size), size));
ASSERT_EQ(expected_output, encoded);
}
// Make sure our ID hashes are the same as what we see on the server side.
TEST(MetricsLogTest, CreateHash) {
static const struct {
std::string input;
std::string output;
} cases[] = {
{"Back", "0x0557fa923dcee4d0"},
{"Forward", "0x67d2f6740a8eaebf"},
{"NewTab", "0x290eb683f96572f1"},
};
for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); i++) {
std::string hash_string = MetricsLog::CreateHash(cases[i].input);
// Convert to hex string
// We're only checking the first 8 bytes, because that's what
// the metrics server uses.
std::string hash_hex = "0x";
for (size_t j = 0; j < 8; j++) {
StringAppendF(&hash_hex, "%02x",
static_cast<uint8>(hash_string.data()[j]));
}
EXPECT_EQ(cases[i].output, hash_hex);
}
};
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