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// Copyright (c) 2011 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 "base/basictypes.h"
#include "base/metrics/histogram.h"
#include "googleurl/src/gurl.h"
#include "net/socket_stream/socket_stream_metrics.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
using base::Histogram;
using base::StatisticsRecorder;
namespace net {
TEST(SocketStreamMetricsTest, Initialize) {
if (!StatisticsRecorder::IsActive()) {
// Create the recorder if not yet started, as SocketStreamMetrics
// relys on the StatisticsRecorder to be present. This is useful when
// tests are run with --gtest_filter='SocketStreamMetricsTest*'.
static StatisticsRecorder *recorder = NULL;
recorder = new StatisticsRecorder;
}
}
TEST(SocketStreamMetricsTest, ProtocolType) {
Histogram* histogram;
// First we'll preserve the original values. We need to do this
// as histograms can get affected by other tests. In particular,
// SocketStreamTest and WebSocketTest can affect the histograms.
Histogram::SampleSet original;
if (StatisticsRecorder::FindHistogram(
"Net.SocketStream.ProtocolType", &histogram)) {
histogram->SnapshotSample(&original);
}
SocketStreamMetrics unknown(GURL("unknown://www.example.com/"));
SocketStreamMetrics ws1(GURL("ws://www.example.com/"));
SocketStreamMetrics ws2(GURL("ws://www.example.com/"));
SocketStreamMetrics wss1(GURL("wss://www.example.com/"));
SocketStreamMetrics wss2(GURL("wss://www.example.com/"));
SocketStreamMetrics wss3(GURL("wss://www.example.com/"));
ASSERT_TRUE(StatisticsRecorder::FindHistogram(
"Net.SocketStream.ProtocolType", &histogram));
EXPECT_EQ(Histogram::kUmaTargetedHistogramFlag, histogram->flags());
Histogram::SampleSet sample;
histogram->SnapshotSample(&sample);
original.Resize(*histogram); // Ensure |original| size is same as |sample|.
sample.Subtract(original); // Cancel the original values.
EXPECT_EQ(1, sample.counts(SocketStreamMetrics::PROTOCOL_UNKNOWN));
EXPECT_EQ(2, sample.counts(SocketStreamMetrics::PROTOCOL_WEBSOCKET));
EXPECT_EQ(3, sample.counts(SocketStreamMetrics::PROTOCOL_WEBSOCKET_SECURE));
}
TEST(SocketStreamMetricsTest, ConnectionType) {
Histogram* histogram;
// First we'll preserve the original values.
Histogram::SampleSet original;
if (StatisticsRecorder::FindHistogram(
"Net.SocketStream.ConnectionType", &histogram)) {
histogram->SnapshotSample(&original);
}
SocketStreamMetrics metrics(GURL("ws://www.example.com/"));
for (int i = 0; i < 1; ++i)
metrics.OnStartConnection();
for (int i = 0; i < 2; ++i)
metrics.OnTunnelProxy();
for (int i = 0; i < 3; ++i)
metrics.OnSOCKSProxy();
for (int i = 0; i < 4; ++i)
metrics.OnSSLConnection();
ASSERT_TRUE(StatisticsRecorder::FindHistogram(
"Net.SocketStream.ConnectionType", &histogram));
EXPECT_EQ(Histogram::kUmaTargetedHistogramFlag, histogram->flags());
Histogram::SampleSet sample;
histogram->SnapshotSample(&sample);
original.Resize(*histogram);
sample.Subtract(original);
EXPECT_EQ(1, sample.counts(SocketStreamMetrics::ALL_CONNECTIONS));
EXPECT_EQ(2, sample.counts(SocketStreamMetrics::TUNNEL_CONNECTION));
EXPECT_EQ(3, sample.counts(SocketStreamMetrics::SOCKS_CONNECTION));
EXPECT_EQ(4, sample.counts(SocketStreamMetrics::SSL_CONNECTION));
}
TEST(SocketStreamMetricsTest, OtherNumbers) {
Histogram* histogram;
// First we'll preserve the original values.
int64 original_received_bytes = 0;
int64 original_received_counts = 0;
int64 original_sent_bytes = 0;
int64 original_sent_counts = 0;
Histogram::SampleSet original;
if (StatisticsRecorder::FindHistogram(
"Net.SocketStream.ReceivedBytes", &histogram)) {
histogram->SnapshotSample(&original);
original_received_bytes = original.sum();
}
if (StatisticsRecorder::FindHistogram(
"Net.SocketStream.ReceivedCounts", &histogram)) {
histogram->SnapshotSample(&original);
original_received_counts = original.sum();
}
if (StatisticsRecorder::FindHistogram(
"Net.SocketStream.SentBytes", &histogram)) {
histogram->SnapshotSample(&original);
original_sent_bytes = original.sum();
}
if (StatisticsRecorder::FindHistogram(
"Net.SocketStream.SentCounts", &histogram)) {
histogram->SnapshotSample(&original);
original_sent_counts = original.sum();
}
SocketStreamMetrics metrics(GURL("ws://www.example.com/"));
metrics.OnWaitConnection();
metrics.OnStartConnection();
metrics.OnConnected();
metrics.OnRead(1);
metrics.OnRead(10);
metrics.OnWrite(2);
metrics.OnWrite(20);
metrics.OnWrite(200);
metrics.OnClose();
Histogram::SampleSet sample;
// ConnectionLatency.
ASSERT_TRUE(StatisticsRecorder::FindHistogram(
"Net.SocketStream.ConnectionLatency", &histogram));
EXPECT_EQ(Histogram::kUmaTargetedHistogramFlag, histogram->flags());
// We don't check the contents of the histogram as it's time sensitive.
// ConnectionEstablish.
ASSERT_TRUE(StatisticsRecorder::FindHistogram(
"Net.SocketStream.ConnectionEstablish", &histogram));
EXPECT_EQ(Histogram::kUmaTargetedHistogramFlag, histogram->flags());
// We don't check the contents of the histogram as it's time sensitive.
// Duration.
ASSERT_TRUE(StatisticsRecorder::FindHistogram(
"Net.SocketStream.Duration", &histogram));
EXPECT_EQ(Histogram::kUmaTargetedHistogramFlag, histogram->flags());
// We don't check the contents of the histogram as it's time sensitive.
// ReceivedBytes.
ASSERT_TRUE(StatisticsRecorder::FindHistogram(
"Net.SocketStream.ReceivedBytes", &histogram));
EXPECT_EQ(Histogram::kUmaTargetedHistogramFlag, histogram->flags());
histogram->SnapshotSample(&sample);
EXPECT_EQ(11, sample.sum() - original_received_bytes); // 11 bytes read.
// ReceivedCounts.
ASSERT_TRUE(StatisticsRecorder::FindHistogram(
"Net.SocketStream.ReceivedCounts", &histogram));
EXPECT_EQ(Histogram::kUmaTargetedHistogramFlag, histogram->flags());
histogram->SnapshotSample(&sample);
EXPECT_EQ(2, sample.sum() - original_received_counts); // 2 read requests.
// SentBytes.
ASSERT_TRUE(StatisticsRecorder::FindHistogram(
"Net.SocketStream.SentBytes", &histogram));
EXPECT_EQ(Histogram::kUmaTargetedHistogramFlag, histogram->flags());
histogram->SnapshotSample(&sample);
EXPECT_EQ(222, sample.sum() - original_sent_bytes); // 222 bytes sent.
// SentCounts.
ASSERT_TRUE(StatisticsRecorder::FindHistogram(
"Net.SocketStream.SentCounts", &histogram));
EXPECT_EQ(Histogram::kUmaTargetedHistogramFlag, histogram->flags());
histogram->SnapshotSample(&sample);
EXPECT_EQ(3, sample.sum() - original_sent_counts); // 3 write requests.
}
} // namespace net
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