| // Copyright (c) 2011 The Chromium OS 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 "shill/wifi.h" |
| |
| #include <netinet/ether.h> |
| #include <linux/if.h> |
| |
| #include <map> |
| #include <string> |
| #include <vector> |
| |
| #include <base/memory/scoped_ptr.h> |
| #include <base/string_number_conversions.h> |
| #include <base/string_util.h> |
| #include <dbus-c++/dbus.h> |
| #include <chromeos/dbus/service_constants.h> |
| #include <gmock/gmock.h> |
| #include <gtest/gtest.h> |
| |
| #include "shill/dbus_adaptor.h" |
| #include "shill/manager.h" |
| #include "shill/mock_device.h" |
| #include "shill/mock_dhcp_config.h" |
| #include "shill/mock_dhcp_provider.h" |
| #include "shill/mock_manager.h" |
| #include "shill/mock_supplicant_interface_proxy.h" |
| #include "shill/mock_supplicant_process_proxy.h" |
| #include "shill/nice_mock_control.h" |
| #include "shill/property_store_unittest.h" |
| #include "shill/proxy_factory.h" |
| #include "shill/wifi_endpoint.h" |
| #include "shill/wifi.h" |
| #include "shill/wifi_service.h" |
| |
| using std::map; |
| using std::string; |
| using std::vector; |
| using ::testing::_; |
| using ::testing::AnyNumber; |
| using ::testing::DefaultValue; |
| using ::testing::InSequence; |
| using ::testing::NiceMock; |
| using ::testing::Return; |
| using ::testing::Test; |
| using ::testing::Throw; |
| |
| namespace shill { |
| |
| class WiFiPropertyTest : public PropertyStoreTest { |
| public: |
| WiFiPropertyTest() |
| : device_(new WiFi(&control_interface_, NULL, NULL, "wifi", "", 0)) { |
| } |
| virtual ~WiFiPropertyTest() {} |
| |
| protected: |
| DeviceRefPtr device_; |
| }; |
| |
| TEST_F(WiFiPropertyTest, Contains) { |
| EXPECT_TRUE(device_->store()->Contains(flimflam::kNameProperty)); |
| EXPECT_FALSE(device_->store()->Contains("")); |
| } |
| |
| TEST_F(WiFiPropertyTest, Dispatch) { |
| { |
| ::DBus::Error error; |
| EXPECT_TRUE(DBusAdaptor::DispatchOnType(device_->store(), |
| flimflam::kBgscanMethodProperty, |
| PropertyStoreTest::kStringV, |
| &error)); |
| } |
| { |
| ::DBus::Error error; |
| EXPECT_TRUE(DBusAdaptor::DispatchOnType( |
| device_->store(), |
| flimflam::kBgscanSignalThresholdProperty, |
| PropertyStoreTest::kInt32V, |
| &error)); |
| } |
| { |
| ::DBus::Error error; |
| EXPECT_TRUE(DBusAdaptor::DispatchOnType(device_->store(), |
| flimflam::kScanIntervalProperty, |
| PropertyStoreTest::kUint16V, |
| &error)); |
| } |
| // Ensure that an attempt to write a R/O property returns InvalidArgs error. |
| { |
| ::DBus::Error error; |
| EXPECT_FALSE(DBusAdaptor::DispatchOnType(device_->store(), |
| flimflam::kScanningProperty, |
| PropertyStoreTest::kBoolV, |
| &error)); |
| EXPECT_EQ(invalid_args_, error.name()); |
| } |
| } |
| |
| class WiFiMainTest : public Test { |
| public: |
| WiFiMainTest() |
| : manager_(&control_interface_, NULL, NULL), |
| wifi_(new WiFi(&control_interface_, |
| &dispatcher_, |
| &manager_, |
| kDeviceName, |
| kDeviceAddress, |
| 0)), |
| supplicant_process_proxy_(new NiceMock<MockSupplicantProcessProxy>()), |
| supplicant_interface_proxy_( |
| new NiceMock<MockSupplicantInterfaceProxy>(wifi_)), |
| dhcp_config_(new MockDHCPConfig(&control_interface_, |
| &dispatcher_, |
| &dhcp_provider_, |
| kDeviceName, |
| &glib_)), |
| proxy_factory_(this) { |
| ProxyFactory::set_factory(&proxy_factory_); |
| ::testing::DefaultValue< ::DBus::Path>::Set("/default/path"); |
| } |
| virtual ~WiFiMainTest() { |
| // must Stop WiFi instance, to clear its list of services. |
| // otherwise, the WiFi instance will not be deleted. (because |
| // services reference a WiFi instance, creating a cycle.) |
| wifi_->Stop(); |
| } |
| |
| virtual void SetUp() { |
| wifi_->set_dhcp_provider(&dhcp_provider_); |
| } |
| |
| protected: |
| class TestProxyFactory : public ProxyFactory { |
| public: |
| explicit TestProxyFactory(WiFiMainTest *test) : test_(test) {} |
| |
| virtual SupplicantProcessProxyInterface *CreateSupplicantProcessProxy( |
| const char *dbus_path, const char *dbus_addr) { |
| return test_->supplicant_process_proxy_.release(); |
| } |
| |
| virtual SupplicantInterfaceProxyInterface *CreateSupplicantInterfaceProxy( |
| const WiFiRefPtr &wifi, |
| const DBus::Path &object_path, |
| const char *dbus_addr) { |
| return test_->supplicant_interface_proxy_.release(); |
| } |
| |
| private: |
| WiFiMainTest *test_; |
| }; |
| |
| const WiFi::EndpointMap &GetEndpointMap() { |
| return wifi_->endpoint_by_bssid_; |
| } |
| const WiFi::ServiceMap &GetServiceMap() { |
| return wifi_->service_by_private_id_; |
| } |
| // note: the tests need the proxies referenced by WiFi (not the |
| // proxies instantiated by WiFiMainTest), to ensure that WiFi |
| // sets up its proxies correctly. |
| SupplicantProcessProxyInterface *GetSupplicantProcessProxy() { |
| return wifi_->supplicant_process_proxy_.get(); |
| } |
| SupplicantInterfaceProxyInterface *GetSupplicantInterfaceProxy() { |
| return wifi_->supplicant_interface_proxy_.get(); |
| } |
| void InitiateConnect(WiFiService *service) { |
| wifi_->ConnectTo(service); |
| } |
| bool IsLinkUp() { |
| return wifi_->link_up_; |
| } |
| void ReportBSS(const ::DBus::Path &bss_path, |
| const string &ssid, |
| const string &bssid, |
| int16_t signal_strength, |
| const char *mode); |
| void ReportLinkUp() { |
| wifi_->LinkEvent(IFF_LOWER_UP, IFF_LOWER_UP); |
| } |
| void ReportScanDone() { |
| wifi_->ScanDoneTask(); |
| } |
| void StartWiFi() { |
| wifi_->Start(); |
| } |
| void StopWiFi() { |
| wifi_->Stop(); |
| } |
| MockManager *manager() { |
| return &manager_; |
| } |
| const WiFiConstRefPtr wifi() const { |
| return wifi_; |
| } |
| |
| EventDispatcher dispatcher_; |
| |
| private: |
| NiceMockControl control_interface_; |
| MockGLib glib_; |
| MockManager manager_; |
| WiFiRefPtr wifi_; |
| |
| // protected fields interspersed between private fields, due to |
| // initialization order |
| protected: |
| static const char kDeviceName[]; |
| static const char kDeviceAddress[]; |
| static const char kNetworkModeAdHoc[]; |
| static const char kNetworkModeInfrastructure[]; |
| |
| scoped_ptr<MockSupplicantProcessProxy> supplicant_process_proxy_; |
| scoped_ptr<MockSupplicantInterfaceProxy> supplicant_interface_proxy_; |
| MockDHCPProvider dhcp_provider_; |
| scoped_refptr<MockDHCPConfig> dhcp_config_; |
| |
| private: |
| TestProxyFactory proxy_factory_; |
| }; |
| |
| const char WiFiMainTest::kDeviceName[] = "wlan0"; |
| const char WiFiMainTest::kDeviceAddress[] = "00:01:02:03:04:05"; |
| const char WiFiMainTest::kNetworkModeAdHoc[] = "ad-hoc"; |
| const char WiFiMainTest::kNetworkModeInfrastructure[] = "infrastructure"; |
| |
| void WiFiMainTest::ReportBSS(const ::DBus::Path &bss_path, |
| const string &ssid, |
| const string &bssid, |
| int16_t signal_strength, |
| const char *mode) { |
| map<string, ::DBus::Variant> bss_properties; |
| |
| { |
| DBus::MessageIter writer(bss_properties["SSID"].writer()); |
| writer << vector<uint8_t>(ssid.begin(), ssid.end()); |
| } |
| { |
| string bssid_nosep; |
| vector<uint8_t> bssid_bytes; |
| RemoveChars(bssid, ":", &bssid_nosep); |
| base::HexStringToBytes(bssid_nosep, &bssid_bytes); |
| |
| DBus::MessageIter writer(bss_properties["BSSID"].writer()); |
| writer << bssid_bytes; |
| } |
| bss_properties["Signal"].writer().append_int16(signal_strength); |
| bss_properties["Mode"].writer().append_string(mode); |
| wifi_->BSSAdded(bss_path, bss_properties); |
| } |
| |
| TEST_F(WiFiMainTest, ProxiesSetUpDuringStart) { |
| EXPECT_TRUE(GetSupplicantProcessProxy() == NULL); |
| EXPECT_TRUE(GetSupplicantInterfaceProxy() == NULL); |
| |
| StartWiFi(); |
| EXPECT_FALSE(GetSupplicantProcessProxy() == NULL); |
| EXPECT_FALSE(GetSupplicantInterfaceProxy() == NULL); |
| } |
| |
| TEST_F(WiFiMainTest, CleanStart) { |
| EXPECT_CALL(*supplicant_process_proxy_, CreateInterface(_)); |
| EXPECT_CALL(*supplicant_process_proxy_, GetInterface(_)) |
| .Times(AnyNumber()) |
| .WillRepeatedly(Throw( |
| DBus::Error( |
| "fi.w1.wpa_supplicant1.InterfaceUnknown", |
| "test threw fi.w1.wpa_supplicant1.InterfaceUnknown"))); |
| EXPECT_CALL(*supplicant_interface_proxy_, Scan(_)); |
| StartWiFi(); |
| dispatcher_.DispatchPendingEvents(); |
| } |
| |
| TEST_F(WiFiMainTest, Restart) { |
| EXPECT_CALL(*supplicant_process_proxy_, CreateInterface(_)) |
| .Times(AnyNumber()) |
| .WillRepeatedly(Throw( |
| DBus::Error( |
| "fi.w1.wpa_supplicant1.InterfaceExists", |
| "test thew fi.w1.wpa_supplicant1.InterfaceExists"))); |
| EXPECT_CALL(*supplicant_process_proxy_, GetInterface(_)); |
| EXPECT_CALL(*supplicant_interface_proxy_, Scan(_)); |
| StartWiFi(); |
| dispatcher_.DispatchPendingEvents(); |
| } |
| |
| TEST_F(WiFiMainTest, StartClearsState) { |
| EXPECT_CALL(*supplicant_interface_proxy_, RemoveAllNetworks()); |
| EXPECT_CALL(*supplicant_interface_proxy_, FlushBSS(_)); |
| StartWiFi(); |
| } |
| |
| TEST_F(WiFiMainTest, ScanResults) { |
| StartWiFi(); |
| ReportBSS("bss0", "ssid0", "00:00:00:00:00:00", 0, kNetworkModeAdHoc); |
| ReportBSS( |
| "bss1", "ssid1", "00:00:00:00:00:01", 1, kNetworkModeInfrastructure); |
| ReportBSS( |
| "bss2", "ssid2", "00:00:00:00:00:02", 2, kNetworkModeInfrastructure); |
| ReportBSS( |
| "bss3", "ssid3", "00:00:00:00:00:03", 3, kNetworkModeInfrastructure); |
| ReportBSS("bss4", "ssid4", "00:00:00:00:00:04", 4, kNetworkModeAdHoc); |
| EXPECT_EQ(5, GetEndpointMap().size()); |
| } |
| |
| TEST_F(WiFiMainTest, ScanResultsWithUpdates) { |
| StartWiFi(); |
| ReportBSS("bss0", "ssid0", "00:00:00:00:00:00", 0, kNetworkModeAdHoc); |
| ReportBSS( |
| "bss1", "ssid1", "00:00:00:00:00:01", 1, kNetworkModeInfrastructure); |
| ReportBSS( |
| "bss2", "ssid2", "00:00:00:00:00:02", 2, kNetworkModeInfrastructure); |
| ReportBSS( |
| "bss1", "ssid1", "00:00:00:00:00:01", 3, kNetworkModeInfrastructure); |
| ReportBSS("bss0", "ssid0", "00:00:00:00:00:00", 4, kNetworkModeAdHoc); |
| EXPECT_EQ(3, GetEndpointMap().size()); |
| ASSERT_TRUE(ContainsKey(GetEndpointMap(), "000000000000")); |
| EXPECT_EQ(4, GetEndpointMap().find("000000000000")->second-> |
| signal_strength()); |
| } |
| |
| TEST_F(WiFiMainTest, ScanCompleted) { |
| StartWiFi(); |
| ReportBSS("bss0", "ssid0", "00:00:00:00:00:00", 0, kNetworkModeAdHoc); |
| ReportBSS( |
| "bss1", "ssid1", "00:00:00:00:00:01", 1, kNetworkModeInfrastructure); |
| ReportBSS( |
| "bss2", "ssid2", "00:00:00:00:00:02", 2, kNetworkModeInfrastructure); |
| EXPECT_CALL(*manager(), RegisterService(_)) |
| .Times(3); |
| ReportScanDone(); |
| EXPECT_EQ(3, GetServiceMap().size()); |
| } |
| |
| TEST_F(WiFiMainTest, Connect) { |
| MockSupplicantInterfaceProxy &supplicant_interface_proxy = |
| *supplicant_interface_proxy_; |
| |
| StartWiFi(); |
| ReportBSS("bss0", "ssid0", "00:00:00:00:00:00", 0, kNetworkModeAdHoc); |
| ReportScanDone(); |
| |
| { |
| InSequence s; |
| DBus::Path fake_path("/fake/path"); |
| WiFiService *service(GetServiceMap().begin()->second); |
| |
| EXPECT_CALL(supplicant_interface_proxy, AddNetwork(_)) |
| .WillOnce(Return(fake_path)); |
| EXPECT_CALL(supplicant_interface_proxy, SelectNetwork(fake_path)); |
| InitiateConnect(service); |
| EXPECT_EQ(static_cast<Service *>(service), |
| wifi()->selected_service_.get()); |
| } |
| } |
| |
| TEST_F(WiFiMainTest, LinkEvent) { |
| EXPECT_FALSE(IsLinkUp()); |
| EXPECT_CALL(dhcp_provider_, CreateConfig(_)). |
| WillOnce(Return(dhcp_config_)); |
| ReportLinkUp(); |
| } |
| |
| } // namespace shill |