extensions/browser/management_policy_unittest.cc

   1 // Copyright 2013 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 "base/strings/utf_string_conversions.h"
   6 #include "extensions/browser/management_policy.h"
   7 #include "extensions/browser/test_management_policy.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9
  10 typedef extensions::TestManagementPolicyProvider TestProvider;
  11 using extensions::Extension;
  12
  13 class ManagementPolicyTest : public testing::Test {
  14  public:
  15   virtual void SetUp() {
  16     allow_all_.SetProhibitedActions(TestProvider::ALLOW_ALL);
  17     no_modify_status_.SetProhibitedActions(
  18         TestProvider::PROHIBIT_MODIFY_STATUS);
  19     no_load_.SetProhibitedActions(TestProvider::PROHIBIT_LOAD);
  20     must_remain_enabled_.SetProhibitedActions(
  21         TestProvider::MUST_REMAIN_ENABLED);
  22     must_remain_disabled_.SetProhibitedActions(
  23         TestProvider::MUST_REMAIN_DISABLED);
  24     must_remain_disabled_.SetDisableReason(Extension::DISABLE_SIDELOAD_WIPEOUT);
  25     restrict_all_.SetProhibitedActions(TestProvider::PROHIBIT_MODIFY_STATUS |
  26                                        TestProvider::PROHIBIT_LOAD |
  27                                        TestProvider::MUST_REMAIN_ENABLED);
  28   }
  29
  30  protected:
  31   extensions::ManagementPolicy policy_;
  32
  33   TestProvider allow_all_;
  34   TestProvider no_modify_status_;
  35   TestProvider no_load_;
  36   TestProvider must_remain_enabled_;
  37   TestProvider must_remain_disabled_;
  38   TestProvider restrict_all_;
  39 };
  40
  41 TEST_F(ManagementPolicyTest, RegisterAndUnregister) {
  42   EXPECT_EQ(0, policy_.GetNumProviders());
  43   policy_.RegisterProvider(&allow_all_);
  44   EXPECT_EQ(1, policy_.GetNumProviders());
  45   policy_.RegisterProvider(&allow_all_);
  46   EXPECT_EQ(1, policy_.GetNumProviders());
  47
  48   policy_.RegisterProvider(&no_modify_status_);
  49   EXPECT_EQ(2, policy_.GetNumProviders());
  50   policy_.UnregisterProvider(&allow_all_);
  51   EXPECT_EQ(1, policy_.GetNumProviders());
  52   policy_.UnregisterProvider(&allow_all_);
  53   EXPECT_EQ(1, policy_.GetNumProviders());
  54   policy_.UnregisterProvider(&no_modify_status_);
  55   EXPECT_EQ(0, policy_.GetNumProviders());
  56
  57   policy_.RegisterProvider(&allow_all_);
  58   policy_.RegisterProvider(&no_modify_status_);
  59   EXPECT_EQ(2, policy_.GetNumProviders());
  60   policy_.UnregisterAllProviders();
  61   EXPECT_EQ(0, policy_.GetNumProviders());
  62 }
  63
  64 TEST_F(ManagementPolicyTest, UserMayLoad) {
  65   // No providers registered.
  66   base::string16 error;
  67   // The extension and location are irrelevant to the
  68   // TestManagementPolicyProviders.
  69   EXPECT_TRUE(policy_.UserMayLoad(NULL, &error));
  70   EXPECT_TRUE(error.empty());
  71
  72   // One provider, no relevant restriction.
  73   policy_.RegisterProvider(&no_modify_status_);
  74   EXPECT_TRUE(policy_.UserMayLoad(NULL, &error));
  75   EXPECT_TRUE(error.empty());
  76
  77   // Two providers, no relevant restrictions.
  78   policy_.RegisterProvider(&must_remain_enabled_);
  79   EXPECT_TRUE(policy_.UserMayLoad(NULL, &error));
  80   EXPECT_TRUE(error.empty());
  81
  82   // Three providers, one with a relevant restriction.
  83   policy_.RegisterProvider(&no_load_);
  84   EXPECT_FALSE(policy_.UserMayLoad(NULL, &error));
  85   EXPECT_FALSE(error.empty());
  86
  87   // Remove the restriction.
  88   policy_.UnregisterProvider(&no_load_);
  89   error.clear();
  90   EXPECT_TRUE(policy_.UserMayLoad(NULL, &error));
  91   EXPECT_TRUE(error.empty());
  92 }
  93 TEST_F(ManagementPolicyTest, UserMayModifySettings) {
  94   // No providers registered.
  95   base::string16 error;
  96   EXPECT_TRUE(policy_.UserMayModifySettings(NULL, &error));
  97   EXPECT_TRUE(error.empty());
  98
  99   // One provider, no relevant restriction.
 100   policy_.RegisterProvider(&allow_all_);
 101   EXPECT_TRUE(policy_.UserMayModifySettings(NULL, &error));
 102   EXPECT_TRUE(error.empty());
 103
 104   // Two providers, no relevant restrictions.
 105   policy_.RegisterProvider(&no_load_);
 106   EXPECT_TRUE(policy_.UserMayModifySettings(NULL, &error));
 107   EXPECT_TRUE(error.empty());
 108
 109   // Three providers, one with a relevant restriction.
 110   policy_.RegisterProvider(&no_modify_status_);
 111   EXPECT_FALSE(policy_.UserMayModifySettings(NULL, &error));
 112   EXPECT_FALSE(error.empty());
 113
 114   // Remove the restriction.
 115   policy_.UnregisterProvider(&no_modify_status_);
 116   error.clear();
 117   EXPECT_TRUE(policy_.UserMayModifySettings(NULL, &error));
 118   EXPECT_TRUE(error.empty());
 119 }
 120
 121 TEST_F(ManagementPolicyTest, MustRemainEnabled) {
 122   // No providers registered.
 123   base::string16 error;
 124   EXPECT_FALSE(policy_.MustRemainEnabled(NULL, &error));
 125   EXPECT_TRUE(error.empty());
 126
 127   // One provider, no relevant restriction.
 128   policy_.RegisterProvider(&allow_all_);
 129   EXPECT_FALSE(policy_.MustRemainEnabled(NULL, &error));
 130   EXPECT_TRUE(error.empty());
 131
 132   // Two providers, no relevant restrictions.
 133   policy_.RegisterProvider(&no_modify_status_);
 134   EXPECT_FALSE(policy_.MustRemainEnabled(NULL, &error));
 135   EXPECT_TRUE(error.empty());
 136
 137   // Three providers, one with a relevant restriction.
 138   policy_.RegisterProvider(&must_remain_enabled_);
 139   EXPECT_TRUE(policy_.MustRemainEnabled(NULL, &error));
 140   EXPECT_FALSE(error.empty());
 141
 142   // Remove the restriction.
 143   policy_.UnregisterProvider(&must_remain_enabled_);
 144   error.clear();
 145   EXPECT_FALSE(policy_.MustRemainEnabled(NULL, &error));
 146   EXPECT_TRUE(error.empty());
 147 }
 148
 149 TEST_F(ManagementPolicyTest, MustRemainDisabled) {
 150   // No providers registered.
 151   base::string16 error;
 152   EXPECT_FALSE(policy_.MustRemainDisabled(NULL, NULL, &error));
 153   EXPECT_TRUE(error.empty());
 154
 155   // One provider, no relevant restriction.
 156   policy_.RegisterProvider(&allow_all_);
 157   EXPECT_FALSE(policy_.MustRemainDisabled(NULL, NULL, &error));
 158   EXPECT_TRUE(error.empty());
 159
 160   // Two providers, no relevant restrictions.
 161   policy_.RegisterProvider(&no_modify_status_);
 162   EXPECT_FALSE(policy_.MustRemainDisabled(NULL, NULL, &error));
 163   EXPECT_TRUE(error.empty());
 164
 165   // Three providers, one with a relevant restriction.
 166   Extension::DisableReason reason = Extension::DISABLE_NONE;
 167   policy_.RegisterProvider(&must_remain_disabled_);
 168   EXPECT_TRUE(policy_.MustRemainDisabled(NULL, &reason, &error));
 169   EXPECT_FALSE(error.empty());
 170   EXPECT_EQ(Extension::DISABLE_SIDELOAD_WIPEOUT, reason);
 171
 172   // Remove the restriction.
 173   policy_.UnregisterProvider(&must_remain_disabled_);
 174   error.clear();
 175   EXPECT_FALSE(policy_.MustRemainDisabled(NULL, NULL, &error));
 176   EXPECT_TRUE(error.empty());
 177 }
 178
 179 // Tests error handling in the ManagementPolicy.
 180 TEST_F(ManagementPolicyTest, ErrorHandling) {
 181   // The error parameter should be unchanged if no restriction was found.
 182   std::string original_error = "Ceci est en effet une erreur.";
 183   base::string16 original_error16 = base::UTF8ToUTF16(original_error);
 184   base::string16 error = original_error16;
 185   EXPECT_TRUE(policy_.UserMayLoad(NULL, &error));
 186   EXPECT_EQ(original_error, base::UTF16ToUTF8(error));
 187   EXPECT_TRUE(policy_.UserMayModifySettings(NULL, &error));
 188   EXPECT_EQ(original_error, base::UTF16ToUTF8(error));
 189   EXPECT_FALSE(policy_.MustRemainEnabled(NULL, &error));
 190   EXPECT_EQ(original_error, base::UTF16ToUTF8(error));
 191
 192   // Ensure no crashes if no error message was requested.
 193   EXPECT_TRUE(policy_.UserMayLoad(NULL, NULL));
 194   EXPECT_TRUE(policy_.UserMayModifySettings(NULL, NULL));
 195   EXPECT_FALSE(policy_.MustRemainEnabled(NULL, NULL));
 196   policy_.RegisterProvider(&restrict_all_);
 197   EXPECT_FALSE(policy_.UserMayLoad(NULL, NULL));
 198   EXPECT_FALSE(policy_.UserMayModifySettings(NULL, NULL));
 199   EXPECT_TRUE(policy_.MustRemainEnabled(NULL, NULL));
 200
 201   // Make sure returned error is correct.
 202   error = original_error16;
 203   EXPECT_FALSE(policy_.UserMayLoad(NULL, &error));
 204   EXPECT_EQ(base::UTF8ToUTF16(TestProvider::expected_error()), error);
 205   error = original_error16;
 206   EXPECT_FALSE(policy_.UserMayModifySettings(NULL, &error));
 207   EXPECT_EQ(base::UTF8ToUTF16(TestProvider::expected_error()), error);
 208   error = original_error16;
 209   EXPECT_TRUE(policy_.MustRemainEnabled(NULL, &error));
 210   EXPECT_EQ(base::UTF8ToUTF16(TestProvider::expected_error()), error);
 211 }