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network_change_notifier_chromeos_unittest.cc
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network_change_notifier_chromeos_unittest.cc
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// Copyright (c) 2012 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 "chromeos/network/network_change_notifier_chromeos.h"
#include <stddef.h>
#include <string>
#include "base/message_loop/message_loop.h"
#include "base/strings/string_split.h"
#include "chromeos/network/network_change_notifier_factory_chromeos.h"
#include "chromeos/network/network_state.h"
#include "net/base/network_change_notifier.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace chromeos {
namespace {
const char kDnsServers1[] = "192.168.0.1,192.168.0.2";
const char kDnsServers2[] = "192.168.3.1,192.168.3.2";
const char kIpAddress1[] = "192.168.1.1";
const char kIpAddress2[] = "192.168.1.2";
const char kService1[] = "/service/1";
const char kService2[] = "/service/2";
const char kService3[] = "/service/3";
// These values come from
// http://w3c.github.io/netinfo/#underlying-connection-technology. For types
// that have unknown subtypes (wifi and ethernet) positive infinity is used as
// per the spec.
const double kExpectedNoneMaxBandwidth = 0;
const double kExpectedWifiMaxBandwidth =
std::numeric_limits<double>::infinity();
const double kExpectedEthernetMaxBandwidth =
std::numeric_limits<double>::infinity();
const double kExpectedLteMaxBandwidth = 100;
const double kExpectedEvdoMaxBandwidth = 2.46;
const double kExpectedHspaMaxBandwidth = 3.6;
struct NotifierState {
net::NetworkChangeNotifier::ConnectionType type;
const char* service_path;
const char* ip_address;
const char* dns_servers;
double max_bandwidth;
};
struct DefaultNetworkState {
bool is_connected;
const char* type;
const char* network_technology;
const char* service_path;
const char* ip_address;
const char* dns_servers;
};
struct NotifierUpdateTestCase {
const char* test_description;
NotifierState initial_state;
DefaultNetworkState default_network_state;
NotifierState expected_state;
bool expected_type_changed;
bool expected_ip_changed;
bool expected_dns_changed;
bool expected_max_bandwidth_changed;
};
} // namespace
using net::NetworkChangeNotifier;
TEST(NetworkChangeNotifierChromeosTest, ConnectionTypeFromShill) {
struct TypeMapping {
const char* shill_type;
const char* technology;
NetworkChangeNotifier::ConnectionType connection_type;
};
TypeMapping type_mappings[] = {
{ shill::kTypeEthernet, "", NetworkChangeNotifier::CONNECTION_ETHERNET },
{ shill::kTypeWifi, "", NetworkChangeNotifier::CONNECTION_WIFI },
{ shill::kTypeWimax, "", NetworkChangeNotifier::CONNECTION_4G },
{ "unknown type", "unknown technology",
NetworkChangeNotifier::CONNECTION_UNKNOWN },
{ shill::kTypeCellular, shill::kNetworkTechnology1Xrtt,
NetworkChangeNotifier::CONNECTION_2G },
{ shill::kTypeCellular, shill::kNetworkTechnologyGprs,
NetworkChangeNotifier::CONNECTION_2G },
{ shill::kTypeCellular, shill::kNetworkTechnologyEdge,
NetworkChangeNotifier::CONNECTION_2G },
{ shill::kTypeCellular, shill::kNetworkTechnologyEvdo,
NetworkChangeNotifier::CONNECTION_3G },
{ shill::kTypeCellular, shill::kNetworkTechnologyGsm,
NetworkChangeNotifier::CONNECTION_3G },
{ shill::kTypeCellular, shill::kNetworkTechnologyUmts,
NetworkChangeNotifier::CONNECTION_3G },
{ shill::kTypeCellular, shill::kNetworkTechnologyHspa,
NetworkChangeNotifier::CONNECTION_3G },
{ shill::kTypeCellular, shill::kNetworkTechnologyHspaPlus,
NetworkChangeNotifier::CONNECTION_4G },
{ shill::kTypeCellular, shill::kNetworkTechnologyLte,
NetworkChangeNotifier::CONNECTION_4G },
{ shill::kTypeCellular, shill::kNetworkTechnologyLteAdvanced,
NetworkChangeNotifier::CONNECTION_4G },
{ shill::kTypeCellular, "unknown technology",
NetworkChangeNotifier::CONNECTION_2G }
};
for (size_t i = 0; i < arraysize(type_mappings); ++i) {
NetworkChangeNotifier::ConnectionType type =
NetworkChangeNotifierChromeos::ConnectionTypeFromShill(
type_mappings[i].shill_type, type_mappings[i].technology);
EXPECT_EQ(type_mappings[i].connection_type, type);
}
}
class NetworkChangeNotifierChromeosUpdateTest : public testing::Test {
protected:
NetworkChangeNotifierChromeosUpdateTest() : default_network_("") {
}
~NetworkChangeNotifierChromeosUpdateTest() override {}
void SetNotifierState(const NotifierState& notifier_state) {
notifier_.connection_type_ = notifier_state.type;
notifier_.service_path_ = notifier_state.service_path;
notifier_.ip_address_ = notifier_state.ip_address;
notifier_.max_bandwidth_mbps_ = notifier_state.max_bandwidth;
std::vector<std::string> dns_servers =
base::SplitString(notifier_state.dns_servers, ",",
base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
notifier_.dns_servers_ = dns_servers;
}
void VerifyNotifierState(const NotifierState& notifier_state) {
EXPECT_EQ(notifier_state.type, notifier_.connection_type_);
EXPECT_EQ(notifier_state.service_path, notifier_.service_path_);
EXPECT_EQ(notifier_state.ip_address, notifier_.ip_address_);
EXPECT_EQ(notifier_state.max_bandwidth, notifier_.max_bandwidth_mbps_);
std::vector<std::string> dns_servers =
base::SplitString(notifier_state.dns_servers, ",",
base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
EXPECT_EQ(dns_servers, notifier_.dns_servers_);
}
// Sets the default network state used for notifier updates.
void SetDefaultNetworkState(
const DefaultNetworkState& default_network_state) {
default_network_.visible_ = true;
if (default_network_state.is_connected)
default_network_.connection_state_ = shill::kStateOnline;
else
default_network_.connection_state_ = shill::kStateConfiguration;
default_network_.type_ = default_network_state.type;
default_network_.network_technology_ =
default_network_state.network_technology;
default_network_.path_ = default_network_state.service_path;
default_network_.ip_address_ = default_network_state.ip_address;
std::vector<std::string> dns_servers =
base::SplitString(default_network_state.dns_servers, ",",
base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
default_network_.dns_servers_ = dns_servers;
}
// Process an default network update based on the state of |default_network_|.
void ProcessDefaultNetworkUpdate(bool* type_changed,
bool* ip_changed,
bool* dns_changed,
bool* max_bandwidth_changed) {
notifier_.UpdateState(&default_network_, type_changed, ip_changed,
dns_changed, max_bandwidth_changed);
}
private:
base::MessageLoop message_loop_;
NetworkState default_network_;
NetworkChangeNotifierChromeos notifier_;
};
NotifierUpdateTestCase test_cases[] = {
{"Online -> Offline",
{NetworkChangeNotifier::CONNECTION_ETHERNET,
kService1,
kIpAddress1,
kDnsServers1,
kExpectedEthernetMaxBandwidth},
{false, shill::kTypeEthernet, "", kService1, "", ""},
{NetworkChangeNotifier::CONNECTION_NONE,
"",
"",
"",
kExpectedNoneMaxBandwidth},
true,
true,
true,
true},
{"Offline -> Offline",
{NetworkChangeNotifier::CONNECTION_NONE,
"",
"",
"",
kExpectedNoneMaxBandwidth},
{false, shill::kTypeEthernet, "", kService1, kIpAddress1, kDnsServers1},
{NetworkChangeNotifier::CONNECTION_NONE,
"",
"",
"",
kExpectedNoneMaxBandwidth},
false,
false,
false,
false},
{"Offline -> Online",
{NetworkChangeNotifier::CONNECTION_NONE,
"",
"",
"",
kExpectedNoneMaxBandwidth},
{true, shill::kTypeEthernet, "", kService1, kIpAddress1, kDnsServers1},
{NetworkChangeNotifier::CONNECTION_ETHERNET,
kService1,
kIpAddress1,
kDnsServers1,
kExpectedEthernetMaxBandwidth},
true,
true,
true,
true},
{"Online -> Online (new default service, different connection type)",
{NetworkChangeNotifier::CONNECTION_ETHERNET,
kService1,
kIpAddress1,
kDnsServers1,
kExpectedEthernetMaxBandwidth},
{true, shill::kTypeWifi, "", kService2, kIpAddress1, kDnsServers1},
{NetworkChangeNotifier::CONNECTION_WIFI,
kService2,
kIpAddress1,
kDnsServers1,
kExpectedWifiMaxBandwidth},
true,
true,
true,
false},
{"Online -> Online (new default service, same connection type)",
{NetworkChangeNotifier::CONNECTION_WIFI,
kService2,
kIpAddress1,
kDnsServers1,
kExpectedWifiMaxBandwidth},
{true, shill::kTypeWifi, "", kService3, kIpAddress1, kDnsServers1},
{NetworkChangeNotifier::CONNECTION_WIFI,
kService3,
kIpAddress1,
kDnsServers1,
kExpectedWifiMaxBandwidth},
false,
true,
true,
false},
{"Online -> Online (same default service, first IP address update)",
{NetworkChangeNotifier::CONNECTION_WIFI,
kService3,
"",
kDnsServers1,
kExpectedWifiMaxBandwidth},
{true, shill::kTypeWifi, "", kService3, kIpAddress2, kDnsServers1},
{NetworkChangeNotifier::CONNECTION_WIFI,
kService3,
kIpAddress2,
kDnsServers1,
kExpectedWifiMaxBandwidth},
false,
false,
false,
false},
{"Online -> Online (same default service, new IP address, same DNS)",
{NetworkChangeNotifier::CONNECTION_WIFI,
kService3,
kIpAddress1,
kDnsServers1,
kExpectedWifiMaxBandwidth},
{true, shill::kTypeWifi, "", kService3, kIpAddress2, kDnsServers1},
{NetworkChangeNotifier::CONNECTION_WIFI,
kService3,
kIpAddress2,
kDnsServers1,
kExpectedWifiMaxBandwidth},
false,
true,
false,
false},
{"Online -> Online (same default service, same IP address, new DNS)",
{NetworkChangeNotifier::CONNECTION_WIFI,
kService3,
kIpAddress2,
kDnsServers1,
kExpectedWifiMaxBandwidth},
{true, shill::kTypeWifi, "", kService3, kIpAddress2, kDnsServers2},
{NetworkChangeNotifier::CONNECTION_WIFI,
kService3,
kIpAddress2,
kDnsServers2,
kExpectedWifiMaxBandwidth},
false,
false,
true,
false},
{"Online -> Online (change of technology but not connection type)",
{NetworkChangeNotifier::CONNECTION_3G,
kService3,
kIpAddress2,
kDnsServers1,
kExpectedEvdoMaxBandwidth},
{true,
shill::kTypeCellular,
shill::kNetworkTechnologyHspa,
kService3,
kIpAddress2,
kDnsServers1},
{NetworkChangeNotifier::CONNECTION_3G,
kService3,
kIpAddress2,
kDnsServers1,
kExpectedHspaMaxBandwidth},
false,
false,
false,
true},
{"Online -> Online (change of technology and connection type)",
{NetworkChangeNotifier::CONNECTION_3G,
kService3,
kIpAddress2,
kDnsServers1,
kExpectedEvdoMaxBandwidth},
{true,
shill::kTypeCellular,
shill::kNetworkTechnologyLte,
kService3,
kIpAddress2,
kDnsServers1},
{NetworkChangeNotifier::CONNECTION_4G,
kService3,
kIpAddress2,
kDnsServers1,
kExpectedLteMaxBandwidth},
true,
false,
false,
true}};
TEST_F(NetworkChangeNotifierChromeosUpdateTest, UpdateDefaultNetwork) {
for (size_t i = 0; i < arraysize(test_cases); ++i) {
SCOPED_TRACE(test_cases[i].test_description);
SetNotifierState(test_cases[i].initial_state);
SetDefaultNetworkState(test_cases[i].default_network_state);
bool type_changed = false, ip_changed = false, dns_changed = false,
max_bandwidth_changed = false;
ProcessDefaultNetworkUpdate(&type_changed, &ip_changed, &dns_changed,
&max_bandwidth_changed);
VerifyNotifierState(test_cases[i].expected_state);
EXPECT_EQ(test_cases[i].expected_type_changed, type_changed);
EXPECT_EQ(test_cases[i].expected_ip_changed, ip_changed);
EXPECT_EQ(test_cases[i].expected_dns_changed, dns_changed);
EXPECT_EQ(test_cases[i].expected_max_bandwidth_changed,
max_bandwidth_changed);
}
}
} // namespace chromeos