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      1 //
      2 // Copyright (C) 2012 The Android Open Source Project
      3 //
      4 // Licensed under the Apache License, Version 2.0 (the "License");
      5 // you may not use this file except in compliance with the License.
      6 // You may obtain a copy of the License at
      7 //
      8 //      http://www.apache.org/licenses/LICENSE-2.0
      9 //
     10 // Unless required by applicable law or agreed to in writing, software
     11 // distributed under the License is distributed on an "AS IS" BASIS,
     12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 // See the License for the specific language governing permissions and
     14 // limitations under the License.
     15 //
     16 
     17 #include "shill/scope_logger.h"
     18 
     19 #include <base/bind.h>
     20 #include <base/memory/weak_ptr.h>
     21 
     22 #include "shill/logging.h"
     23 
     24 #include <gmock/gmock.h>
     25 #include <gtest/gtest.h>
     26 
     27 using ::testing::_;
     28 
     29 namespace shill {
     30 
     31 class ScopeLoggerTest : public testing::Test {
     32  protected:
     33   ScopeLoggerTest() {}
     34 
     35   void TearDown() {
     36     logger_.set_verbose_level(0);
     37     logger_.DisableAllScopes();
     38   }
     39 
     40   ScopeLogger logger_;
     41 };
     42 
     43 TEST_F(ScopeLoggerTest, DefaultConstruction) {
     44   for (int scope = 0; scope < ScopeLogger::kNumScopes; ++scope) {
     45     for (int verbose_level = 0; verbose_level < 5; ++verbose_level) {
     46       EXPECT_FALSE(logger_.IsLogEnabled(
     47           static_cast<ScopeLogger::Scope>(scope), verbose_level));
     48     }
     49   }
     50 }
     51 
     52 TEST_F(ScopeLoggerTest, GetAllScopeNames) {
     53   EXPECT_EQ("binder+"
     54             "cellular+"
     55             "connection+"
     56             "crypto+"
     57             "daemon+"
     58             "dbus+"
     59             "device+"
     60             "dhcp+"
     61             "dns+"
     62             "ethernet+"
     63             "http+"
     64             "httpproxy+"
     65             "inet+"
     66             "link+"
     67             "manager+"
     68             "metrics+"
     69             "modem+"
     70             "portal+"
     71             "power+"
     72             "ppp+"
     73             "pppoe+"
     74             "profile+"
     75             "property+"
     76             "resolver+"
     77             "route+"
     78             "rtnl+"
     79             "service+"
     80             "storage+"
     81             "task+"
     82             "vpn+"
     83             "wifi+"
     84             "wimax",
     85       logger_.GetAllScopeNames());
     86 }
     87 
     88 TEST_F(ScopeLoggerTest, GetEnabledScopeNames) {
     89   EXPECT_EQ("", logger_.GetEnabledScopeNames());
     90 
     91   logger_.SetScopeEnabled(ScopeLogger::kWiFi, true);
     92   EXPECT_EQ("wifi", logger_.GetEnabledScopeNames());
     93 
     94   logger_.SetScopeEnabled(ScopeLogger::kService, true);
     95   EXPECT_EQ("service+wifi", logger_.GetEnabledScopeNames());
     96 
     97   logger_.SetScopeEnabled(ScopeLogger::kVPN, true);
     98   EXPECT_EQ("service+vpn+wifi", logger_.GetEnabledScopeNames());
     99 
    100   logger_.SetScopeEnabled(ScopeLogger::kWiFi, false);
    101   EXPECT_EQ("service+vpn", logger_.GetEnabledScopeNames());
    102 }
    103 
    104 TEST_F(ScopeLoggerTest, EnableScopesByName) {
    105   logger_.EnableScopesByName("");
    106   EXPECT_EQ("", logger_.GetEnabledScopeNames());
    107 
    108   logger_.EnableScopesByName("+wifi");
    109   EXPECT_EQ("wifi", logger_.GetEnabledScopeNames());
    110 
    111   logger_.EnableScopesByName("+service");
    112   EXPECT_EQ("service+wifi", logger_.GetEnabledScopeNames());
    113 
    114   logger_.EnableScopesByName("+vpn+wifi");
    115   EXPECT_EQ("service+vpn+wifi", logger_.GetEnabledScopeNames());
    116 
    117   logger_.EnableScopesByName("-wifi");
    118   EXPECT_EQ("service+vpn", logger_.GetEnabledScopeNames());
    119 
    120   logger_.EnableScopesByName("-vpn-service+wifi");
    121   EXPECT_EQ("wifi", logger_.GetEnabledScopeNames());
    122 
    123   logger_.EnableScopesByName("+-wifi-");
    124   EXPECT_EQ("", logger_.GetEnabledScopeNames());
    125 
    126   logger_.EnableScopesByName("-vpn+vpn+wifi-wifi");
    127   EXPECT_EQ("vpn", logger_.GetEnabledScopeNames());
    128 
    129   logger_.EnableScopesByName("wifi");
    130   EXPECT_EQ("wifi", logger_.GetEnabledScopeNames());
    131 
    132   logger_.EnableScopesByName("");
    133   EXPECT_EQ("", logger_.GetEnabledScopeNames());
    134 }
    135 
    136 TEST_F(ScopeLoggerTest, EnableScopesByNameWithUnknownScopeName) {
    137   logger_.EnableScopesByName("foo");
    138   EXPECT_EQ("", logger_.GetEnabledScopeNames());
    139 
    140   logger_.EnableScopesByName("wifi+foo+vpn");
    141   EXPECT_EQ("vpn+wifi", logger_.GetEnabledScopeNames());
    142 }
    143 
    144 TEST_F(ScopeLoggerTest, SetScopeEnabled) {
    145   EXPECT_FALSE(logger_.IsLogEnabled(ScopeLogger::kService, 0));
    146 
    147   logger_.SetScopeEnabled(ScopeLogger::kService, true);
    148   EXPECT_TRUE(logger_.IsLogEnabled(ScopeLogger::kService, 0));
    149 
    150   logger_.SetScopeEnabled(ScopeLogger::kService, false);
    151   EXPECT_FALSE(logger_.IsLogEnabled(ScopeLogger::kService, 0));
    152 }
    153 
    154 TEST_F(ScopeLoggerTest, SetVerboseLevel) {
    155   ScopeLogger* logger = ScopeLogger::GetInstance();
    156   logger->SetScopeEnabled(ScopeLogger::kService, true);
    157   EXPECT_TRUE(logger->IsLogEnabled(ScopeLogger::kService, 0));
    158   EXPECT_FALSE(logger->IsLogEnabled(ScopeLogger::kService, 1));
    159   EXPECT_FALSE(logger->IsLogEnabled(ScopeLogger::kService, 2));
    160   EXPECT_TRUE(SLOG_IS_ON(Service, 0));
    161   EXPECT_FALSE(SLOG_IS_ON(Service, 1));
    162   EXPECT_FALSE(SLOG_IS_ON(Service, 2));
    163 
    164   logger->set_verbose_level(1);
    165   EXPECT_TRUE(logger->IsLogEnabled(ScopeLogger::kService, 0));
    166   EXPECT_TRUE(logger->IsLogEnabled(ScopeLogger::kService, 1));
    167   EXPECT_FALSE(logger->IsLogEnabled(ScopeLogger::kService, 2));
    168   EXPECT_TRUE(SLOG_IS_ON(Service, 0));
    169   EXPECT_TRUE(SLOG_IS_ON(Service, 1));
    170   EXPECT_FALSE(SLOG_IS_ON(Service, 2));
    171 
    172   logger->set_verbose_level(2);
    173   EXPECT_TRUE(logger->IsLogEnabled(ScopeLogger::kService, 0));
    174   EXPECT_TRUE(logger->IsLogEnabled(ScopeLogger::kService, 1));
    175   EXPECT_TRUE(logger->IsLogEnabled(ScopeLogger::kService, 2));
    176   EXPECT_TRUE(SLOG_IS_ON(Service, 0));
    177   EXPECT_TRUE(SLOG_IS_ON(Service, 1));
    178   EXPECT_TRUE(SLOG_IS_ON(Service, 2));
    179 
    180   logger->set_verbose_level(0);
    181   logger->SetScopeEnabled(ScopeLogger::kService, false);
    182 }
    183 
    184 class ScopeChangeTarget {
    185  public:
    186   ScopeChangeTarget() : weak_ptr_factory_(this) {}
    187   virtual ~ScopeChangeTarget() {}
    188   MOCK_METHOD1(Callback, void(bool enabled));
    189   ScopeLogger::ScopeEnableChangedCallback GetCallback() {
    190     return base::Bind(
    191         &ScopeChangeTarget::Callback, weak_ptr_factory_.GetWeakPtr());
    192   }
    193 
    194  private:
    195   base::WeakPtrFactory<ScopeChangeTarget> weak_ptr_factory_;
    196 };
    197 
    198 TEST_F(ScopeLoggerTest, LogScopeCallback) {
    199   ScopeChangeTarget target0;
    200   logger_.RegisterScopeEnableChangedCallback(
    201       ScopeLogger::kWiFi, target0.GetCallback());
    202   EXPECT_CALL(target0, Callback(_)).Times(0);
    203   // Call for a scope other than registered-for.
    204   logger_.EnableScopesByName("+vpn");
    205   // Change to the same value as default.
    206   logger_.EnableScopesByName("-wifi");
    207   testing::Mock::VerifyAndClearExpectations(&target0);
    208 
    209   EXPECT_CALL(target0, Callback(true)).Times(1);
    210   logger_.EnableScopesByName("+wifi");
    211   testing::Mock::VerifyAndClearExpectations(&target0);
    212 
    213   EXPECT_CALL(target0, Callback(false)).Times(1);
    214   logger_.EnableScopesByName("");
    215   testing::Mock::VerifyAndClearExpectations(&target0);
    216 
    217   // Change to the same value as last set.
    218   EXPECT_CALL(target0, Callback(_)).Times(0);
    219   logger_.EnableScopesByName("-wifi");
    220   testing::Mock::VerifyAndClearExpectations(&target0);
    221 
    222   ScopeChangeTarget target1;
    223   logger_.RegisterScopeEnableChangedCallback(
    224       ScopeLogger::kWiFi, target1.GetCallback());
    225   EXPECT_CALL(target0, Callback(true)).Times(1);
    226   EXPECT_CALL(target1, Callback(true)).Times(1);
    227   logger_.EnableScopesByName("+wifi");
    228 }
    229 
    230 }  // namespace shill
    231