chrome/browser/profiles/profile_dependency_manager_unittest.cc

   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 "testing/gtest/include/gtest/gtest.h"
   6
   7 #include "chrome/browser/profiles/profile_dependency_manager.h"
   8 #include "chrome/browser/profiles/profile_keyed_service_factory.h"
   9
  10 class ProfileDependencyManagerUnittests : public ::testing::Test {
  11  protected:
  12   // To get around class access:
  13   void DependOn(ProfileKeyedServiceFactory* child,
  14                 ProfileKeyedServiceFactory* parent) {
  15     child->DependsOn(parent);
  16   }
  17
  18   ProfileDependencyManager* manager() { return &dependency_manager_; }
  19
  20   std::vector<std::string>* shutdown_order() { return &shutdown_order_; }
  21
  22  private:
  23   ProfileDependencyManager dependency_manager_;
  24
  25   std::vector<std::string> shutdown_order_;
  26 };
  27
  28 class TestService : public ProfileKeyedServiceFactory {
  29  public:
  30   TestService(const std::string& name,
  31               std::vector<std::string>* fill_on_shutdown,
  32               ProfileDependencyManager* manager)
  33       : ProfileKeyedServiceFactory("TestService", manager),
  34         name_(name),
  35         fill_on_shutdown_(fill_on_shutdown) {
  36   }
  37
  38   virtual ProfileKeyedService* BuildServiceInstanceFor(
  39       Profile* profile) const OVERRIDE {
  40     ADD_FAILURE() << "This isn't part of the tests!";
  41     return NULL;
  42   }
  43
  44   virtual void ProfileShutdown(Profile* profile) OVERRIDE {
  45     fill_on_shutdown_->push_back(name_);
  46   }
  47
  48  private:
  49   const std::string name_;
  50   std::vector<std::string>* fill_on_shutdown_;
  51 };
  52
  53 // Tests that we can deal with a single component.
  54 TEST_F(ProfileDependencyManagerUnittests, SingleCase) {
  55   TestService service("service", shutdown_order(), manager());
  56
  57   manager()->DestroyProfileServices(NULL);
  58
  59   ASSERT_EQ(1U, shutdown_order()->size());
  60   EXPECT_STREQ("service", (*shutdown_order())[0].c_str());
  61 }
  62
  63 // Tests that we get a simple one component depends on the other case.
  64 TEST_F(ProfileDependencyManagerUnittests, SimpleDependency) {
  65   TestService parent("parent", shutdown_order(), manager());
  66   TestService child("child", shutdown_order(), manager());
  67   DependOn(&child, &parent);
  68
  69   manager()->DestroyProfileServices(NULL);
  70
  71   ASSERT_EQ(2U, shutdown_order()->size());
  72   EXPECT_STREQ("child", (*shutdown_order())[0].c_str());
  73   EXPECT_STREQ("parent", (*shutdown_order())[1].c_str());
  74 }
  75
  76 // Tests two children, one parent
  77 TEST_F(ProfileDependencyManagerUnittests, TwoChildrenOneParent) {
  78   TestService parent("parent", shutdown_order(), manager());
  79   TestService child1("child1", shutdown_order(), manager());
  80   TestService child2("child2", shutdown_order(), manager());
  81   DependOn(&child1, &parent);
  82   DependOn(&child2, &parent);
  83
  84   manager()->DestroyProfileServices(NULL);
  85
  86   ASSERT_EQ(3U, shutdown_order()->size());
  87   EXPECT_STREQ("child2", (*shutdown_order())[0].c_str());
  88   EXPECT_STREQ("child1", (*shutdown_order())[1].c_str());
  89   EXPECT_STREQ("parent", (*shutdown_order())[2].c_str());
  90 }
  91
  92 // Tests an M configuration
  93 TEST_F(ProfileDependencyManagerUnittests, MConfiguration) {
  94   TestService parent1("parent1", shutdown_order(), manager());
  95   TestService parent2("parent2", shutdown_order(), manager());
  96
  97   TestService child_of_1("child_of_1", shutdown_order(), manager());
  98   DependOn(&child_of_1, &parent1);
  99
 100   TestService child_of_12("child_of_12", shutdown_order(), manager());
 101   DependOn(&child_of_12, &parent1);
 102   DependOn(&child_of_12, &parent2);
 103
 104   TestService child_of_2("child_of_2", shutdown_order(), manager());
 105   DependOn(&child_of_2, &parent2);
 106
 107   manager()->DestroyProfileServices(NULL);
 108
 109   ASSERT_EQ(5U, shutdown_order()->size());
 110   EXPECT_STREQ("child_of_2", (*shutdown_order())[0].c_str());
 111   EXPECT_STREQ("child_of_12", (*shutdown_order())[1].c_str());
 112   EXPECT_STREQ("child_of_1", (*shutdown_order())[2].c_str());
 113   EXPECT_STREQ("parent2", (*shutdown_order())[3].c_str());
 114   EXPECT_STREQ("parent1", (*shutdown_order())[4].c_str());
 115 }
 116
 117 // Tests that it can deal with a simple diamond.
 118 TEST_F(ProfileDependencyManagerUnittests, DiamondConfiguration) {
 119   TestService parent("parent", shutdown_order(), manager());
 120
 121   TestService middle_row_1("middle_row_1", shutdown_order(), manager());
 122   DependOn(&middle_row_1, &parent);
 123
 124   TestService middle_row_2("middle_row_2", shutdown_order(), manager());
 125   DependOn(&middle_row_2, &parent);
 126
 127   TestService bottom("bottom", shutdown_order(), manager());
 128   DependOn(&bottom, &middle_row_1);
 129   DependOn(&bottom, &middle_row_2);
 130
 131   manager()->DestroyProfileServices(NULL);
 132
 133   ASSERT_EQ(4U, shutdown_order()->size());
 134   EXPECT_STREQ("bottom", (*shutdown_order())[0].c_str());
 135   EXPECT_STREQ("middle_row_2", (*shutdown_order())[1].c_str());
 136   EXPECT_STREQ("middle_row_1", (*shutdown_order())[2].c_str());
 137   EXPECT_STREQ("parent", (*shutdown_order())[3].c_str());
 138 }
 139
 140 // A final test that works with a more complex graph.
 141 TEST_F(ProfileDependencyManagerUnittests, ComplexGraph) {
 142   TestService everything_depends_on_me("everything_depends_on_me",
 143                                        shutdown_order(), manager());
 144
 145   TestService intermediary_service("intermediary_service",
 146                                    shutdown_order(), manager());
 147   DependOn(&intermediary_service, &everything_depends_on_me);
 148
 149   TestService specialized_service("specialized_service",
 150                                   shutdown_order(), manager());
 151   DependOn(&specialized_service, &everything_depends_on_me);
 152   DependOn(&specialized_service, &intermediary_service);
 153
 154   TestService other_root("other_root", shutdown_order(), manager());
 155
 156   TestService other_intermediary("other_intermediary",
 157                                  shutdown_order(), manager());
 158   DependOn(&other_intermediary, &other_root);
 159
 160   TestService bottom("bottom", shutdown_order(), manager());
 161   DependOn(&bottom, &specialized_service);
 162   DependOn(&bottom, &other_intermediary);
 163
 164   manager()->DestroyProfileServices(NULL);
 165
 166   ASSERT_EQ(6U, shutdown_order()->size());
 167   EXPECT_STREQ("bottom", (*shutdown_order())[0].c_str());
 168   EXPECT_STREQ("specialized_service", (*shutdown_order())[1].c_str());
 169   EXPECT_STREQ("other_intermediary", (*shutdown_order())[2].c_str());
 170   EXPECT_STREQ("intermediary_service", (*shutdown_order())[3].c_str());
 171   EXPECT_STREQ("other_root", (*shutdown_order())[4].c_str());
 172   EXPECT_STREQ("everything_depends_on_me", (*shutdown_order())[5].c_str());
 173 }