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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/browser/chromeos/mobile/mobile_activator.h"
      6 
      7 #include "base/message_loop/message_loop.h"
      8 #include "base/values.h"
      9 #include "chromeos/dbus/dbus_thread_manager.h"
     10 #include "chromeos/network/network_handler.h"
     11 #include "chromeos/network/network_state.h"
     12 #include "content/public/browser/browser_thread.h"
     13 #include "testing/gmock/include/gmock/gmock.h"
     14 #include "testing/gtest/include/gtest/gtest.h"
     15 #include "third_party/cros_system_api/dbus/service_constants.h"
     16 
     17 using std::string;
     18 
     19 using content::BrowserThread;
     20 using testing::_;
     21 using testing::Eq;
     22 using testing::Invoke;
     23 using testing::Return;
     24 
     25 namespace {
     26 
     27 const char kTestServicePath[] = "/a/service/path";
     28 
     29 const size_t kNumOTASPStates = 3;
     30 
     31 chromeos::MobileActivator::PlanActivationState kOTASPStates[kNumOTASPStates] = {
     32   chromeos::MobileActivator::PLAN_ACTIVATION_TRYING_OTASP,
     33   chromeos::MobileActivator::PLAN_ACTIVATION_INITIATING_ACTIVATION,
     34   chromeos::MobileActivator::PLAN_ACTIVATION_OTASP,
     35 };
     36 
     37 }  // namespace
     38 namespace chromeos {
     39 
     40 class TestMobileActivator : public MobileActivator {
     41  public:
     42   explicit TestMobileActivator(NetworkState* cellular_network) :
     43         cellular_network_(cellular_network) {
     44     // Provide reasonable defaults for basic things we're usually not testing.
     45     ON_CALL(*this, DCheckOnThread(_))
     46         .WillByDefault(Return());
     47     ON_CALL(*this, GetNetworkState(_))
     48         .WillByDefault(Return(cellular_network_));
     49   }
     50   virtual ~TestMobileActivator() {}
     51 
     52   MOCK_METHOD3(RequestCellularActivation,
     53                void(const NetworkState*,
     54                     const base::Closure&,
     55                     const network_handler::ErrorCallback&));
     56   MOCK_METHOD3(ChangeState, void(const NetworkState*,
     57                                  MobileActivator::PlanActivationState,
     58                                  std::string));
     59   MOCK_METHOD1(GetNetworkState, const NetworkState*(const std::string&));
     60   MOCK_METHOD1(EvaluateCellularNetwork, void(const NetworkState*));
     61   MOCK_METHOD0(SignalCellularPlanPayment, void(void));
     62   MOCK_METHOD0(StartOTASPTimer, void(void));
     63   MOCK_CONST_METHOD0(HasRecentCellularPlanPayment, bool(void));
     64 
     65   void InvokeChangeState(const NetworkState* network,
     66                          MobileActivator::PlanActivationState new_state,
     67                          std::string error_description) {
     68     MobileActivator::ChangeState(network, new_state, error_description);
     69   }
     70 
     71  private:
     72   MOCK_CONST_METHOD1(DCheckOnThread, void(const BrowserThread::ID id));
     73 
     74   NetworkState* cellular_network_;
     75 
     76   DISALLOW_COPY_AND_ASSIGN(TestMobileActivator);
     77 };
     78 
     79 class MobileActivatorTest : public testing::Test {
     80  public:
     81   MobileActivatorTest()
     82       : cellular_network_(string(kTestServicePath)),
     83         mobile_activator_(&cellular_network_) {
     84   }
     85   virtual ~MobileActivatorTest() {}
     86 
     87  protected:
     88   virtual void SetUp() {
     89     DBusThreadManager::InitializeWithStub();
     90     NetworkHandler::Initialize();
     91   }
     92   virtual void TearDown() {
     93     NetworkHandler::Shutdown();
     94     DBusThreadManager::Shutdown();
     95   }
     96 
     97   void set_activator_state(const MobileActivator::PlanActivationState state) {
     98     mobile_activator_.state_ = state;
     99   }
    100   void set_network_activation_state(const std::string& activation_state) {
    101     cellular_network_.activation_state_ = activation_state;
    102   }
    103   void set_connection_state(const std::string& state) {
    104     cellular_network_.connection_state_ = state;
    105   }
    106 
    107   base::MessageLoop message_loop_;
    108   NetworkState cellular_network_;
    109   TestMobileActivator mobile_activator_;
    110  private:
    111   DISALLOW_COPY_AND_ASSIGN(MobileActivatorTest);
    112 };
    113 
    114 TEST_F(MobileActivatorTest, BasicFlowForNewDevices) {
    115   // In a new device, we aren't connected to Verizon, we start at START
    116   // because we haven't paid Verizon (ever), and the modem isn't even partially
    117   // activated.
    118   std::string error_description;
    119   set_activator_state(MobileActivator::PLAN_ACTIVATION_START);
    120   set_connection_state(shill::kStateIdle);
    121   set_network_activation_state(shill::kActivationStateNotActivated);
    122   EXPECT_EQ(MobileActivator::PLAN_ACTIVATION_INITIATING_ACTIVATION,
    123             mobile_activator_.PickNextState(&cellular_network_,
    124                                             &error_description));
    125   // Now behave as if ChangeState() has initiated an activation.
    126   set_activator_state(MobileActivator::PLAN_ACTIVATION_INITIATING_ACTIVATION);
    127   set_network_activation_state(shill::kActivationStateActivating);
    128   // We'll sit in this state while we wait for the OTASP to finish.
    129   EXPECT_EQ(MobileActivator::PLAN_ACTIVATION_INITIATING_ACTIVATION,
    130             mobile_activator_.PickNextState(&cellular_network_,
    131                                             &error_description));
    132   set_network_activation_state(shill::kActivationStatePartiallyActivated);
    133   // We'll sit in this state until we go online as well.
    134   EXPECT_EQ(MobileActivator::PLAN_ACTIVATION_INITIATING_ACTIVATION,
    135             mobile_activator_.PickNextState(&cellular_network_,
    136                                             &error_description));
    137   set_connection_state(shill::kStatePortal);
    138   // After we go online, we go back to START, which acts as a jumping off
    139   // point for the two types of initial OTASP.
    140   EXPECT_EQ(MobileActivator::PLAN_ACTIVATION_START,
    141             mobile_activator_.PickNextState(&cellular_network_,
    142                                             &error_description));
    143   set_activator_state(MobileActivator::PLAN_ACTIVATION_START);
    144   EXPECT_EQ(MobileActivator::PLAN_ACTIVATION_TRYING_OTASP,
    145             mobile_activator_.PickNextState(&cellular_network_,
    146                                             &error_description));
    147   // Very similar things happen while we're trying OTASP.
    148   set_activator_state(MobileActivator::PLAN_ACTIVATION_TRYING_OTASP);
    149   set_network_activation_state(shill::kActivationStateActivating);
    150   EXPECT_EQ(MobileActivator::PLAN_ACTIVATION_TRYING_OTASP,
    151             mobile_activator_.PickNextState(&cellular_network_,
    152                                             &error_description));
    153   set_network_activation_state(shill::kActivationStatePartiallyActivated);
    154   set_connection_state(shill::kStatePortal);
    155   // And when we come back online again and aren't activating, load the portal.
    156   EXPECT_EQ(MobileActivator::PLAN_ACTIVATION_PAYMENT_PORTAL_LOADING,
    157             mobile_activator_.PickNextState(&cellular_network_,
    158                                             &error_description));
    159   // The JS drives us through the payment portal.
    160   set_activator_state(MobileActivator::PLAN_ACTIVATION_SHOWING_PAYMENT);
    161   // The JS also calls us to signal that the portal is done.  This triggers us
    162   // to start our final OTASP via the aptly named StartOTASP().
    163   EXPECT_CALL(mobile_activator_, SignalCellularPlanPayment());
    164   EXPECT_CALL(mobile_activator_,
    165               ChangeState(Eq(&cellular_network_),
    166                           Eq(MobileActivator::PLAN_ACTIVATION_START_OTASP),
    167                           _));
    168   EXPECT_CALL(mobile_activator_,
    169               EvaluateCellularNetwork(Eq(&cellular_network_)));
    170   mobile_activator_.HandleSetTransactionStatus(true);
    171   // Evaluate state will defer to PickNextState to select what to do now that
    172   // we're in START_ACTIVATION.  PickNextState should decide to start a final
    173   // OTASP.
    174   set_activator_state(MobileActivator::PLAN_ACTIVATION_START_OTASP);
    175   EXPECT_EQ(MobileActivator::PLAN_ACTIVATION_OTASP,
    176             mobile_activator_.PickNextState(&cellular_network_,
    177                                             &error_description));
    178   // Similarly to TRYING_OTASP and INITIATING_OTASP above...
    179   set_activator_state(MobileActivator::PLAN_ACTIVATION_OTASP);
    180   set_network_activation_state(shill::kActivationStateActivating);
    181   EXPECT_EQ(MobileActivator::PLAN_ACTIVATION_OTASP,
    182             mobile_activator_.PickNextState(&cellular_network_,
    183                                             &error_description));
    184   set_network_activation_state(shill::kActivationStateActivated);
    185   EXPECT_EQ(MobileActivator::PLAN_ACTIVATION_DONE,
    186             mobile_activator_.PickNextState(&cellular_network_,
    187                                             &error_description));
    188 }
    189 
    190 // A fake for MobileActivator::RequestCellularActivation that always succeeds.
    191 void FakeRequestCellularActivationSuccess(
    192     const NetworkState* network,
    193     const base::Closure& success_callback,
    194     const network_handler::ErrorCallback& error_callback) {
    195   success_callback.Run();
    196 }
    197 
    198 // A fake for MobileActivator::RequestCellularActivation that always fails.
    199 void FakeRequestCellularActivationFailure(
    200     const NetworkState* network,
    201     const base::Closure& success_callback,
    202     const network_handler::ErrorCallback& error_callback) {
    203   scoped_ptr<base::DictionaryValue> value;
    204   error_callback.Run("", value.Pass());
    205 }
    206 
    207 TEST_F(MobileActivatorTest, OTASPScheduling) {
    208   const std::string error;
    209   for (size_t i = 0; i < kNumOTASPStates; ++i) {
    210     // When activation works, we start a timer to watch for success.
    211     EXPECT_CALL(mobile_activator_, RequestCellularActivation(_, _, _))
    212         .Times(1)
    213         .WillOnce(Invoke(FakeRequestCellularActivationSuccess));
    214     EXPECT_CALL(mobile_activator_, StartOTASPTimer())
    215          .Times(1);
    216     set_activator_state(MobileActivator::PLAN_ACTIVATION_START);
    217     mobile_activator_.InvokeChangeState(&cellular_network_,
    218                                         kOTASPStates[i],
    219                                         error);
    220 
    221     // When activation fails, it's an error, unless we're trying for the final
    222     // OTASP, in which case we try again via DELAY_OTASP.
    223     EXPECT_CALL(mobile_activator_, RequestCellularActivation(_, _, _))
    224         .Times(1)
    225         .WillOnce(Invoke(FakeRequestCellularActivationFailure));
    226     if (kOTASPStates[i] == MobileActivator::PLAN_ACTIVATION_OTASP) {
    227       EXPECT_CALL(mobile_activator_, ChangeState(
    228           Eq(&cellular_network_),
    229           Eq(MobileActivator::PLAN_ACTIVATION_DELAY_OTASP),
    230           _));
    231     } else {
    232       EXPECT_CALL(mobile_activator_, ChangeState(
    233           Eq(&cellular_network_),
    234           Eq(MobileActivator::PLAN_ACTIVATION_ERROR),
    235           _));
    236     }
    237     set_activator_state(MobileActivator::PLAN_ACTIVATION_START);
    238     mobile_activator_.InvokeChangeState(&cellular_network_,
    239                                         kOTASPStates[i],
    240                                         error);
    241   }
    242 }
    243 
    244 TEST_F(MobileActivatorTest, ReconnectOnDisconnectFromPaymentPortal) {
    245   // Most states either don't care if we're offline or expect to be offline at
    246   // some point.  For instance the OTASP states expect to go offline during
    247   // activation and eventually come back.  There are a few transitions states
    248   // like START_OTASP and DELAY_OTASP which don't really depend on the state of
    249   // the modem (offline or online) to work correctly.  A few places however,
    250   // like when we're displaying the portal care quite a bit about going
    251   // offline.  Lets test for those cases.
    252   std::string error_description;
    253   set_connection_state(shill::kStateFailure);
    254   set_network_activation_state(shill::kActivationStatePartiallyActivated);
    255   set_activator_state(MobileActivator::PLAN_ACTIVATION_PAYMENT_PORTAL_LOADING);
    256   EXPECT_EQ(MobileActivator::PLAN_ACTIVATION_RECONNECTING,
    257             mobile_activator_.PickNextState(&cellular_network_,
    258                                             &error_description));
    259   set_activator_state(MobileActivator::PLAN_ACTIVATION_SHOWING_PAYMENT);
    260   EXPECT_EQ(MobileActivator::PLAN_ACTIVATION_RECONNECTING,
    261             mobile_activator_.PickNextState(&cellular_network_,
    262                                             &error_description));
    263 }
    264 
    265 TEST_F(MobileActivatorTest, StartAtStart) {
    266   EXPECT_CALL(mobile_activator_, HasRecentCellularPlanPayment())
    267       .WillOnce(Return(false));
    268   EXPECT_CALL(mobile_activator_,
    269               EvaluateCellularNetwork(Eq(&cellular_network_)));
    270   mobile_activator_.StartActivation();
    271   EXPECT_EQ(mobile_activator_.state(), MobileActivator::PLAN_ACTIVATION_START);
    272 }
    273 
    274 }  // namespace chromeos
    275