src/chrome/browser/policy/policy_prefs_browsertest.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 <algorithm>
   6 #include <cstdlib>
   7 #include <map>
   8 #include <sstream>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/basictypes.h"
  13 #include "base/file_util.h"
  14 #include "base/files/file_path.h"
  15 #include "base/json/json_reader.h"
  16 #include "base/logging.h"
  17 #include "base/memory/scoped_ptr.h"
  18 #include "base/memory/scoped_vector.h"
  19 #include "base/memory/weak_ptr.h"
  20 #include "base/prefs/pref_service.h"
  21 #include "base/run_loop.h"
  22 #include "base/stl_util.h"
  23 #include "base/strings/string_util.h"
  24 #include "base/strings/utf_string_conversions.h"
  25 #include "base/values.h"
  26 #include "chrome/browser/browser_process.h"
  27 #include "chrome/browser/profiles/profile.h"
  28 #include "chrome/browser/search_engines/template_url_service_factory.h"
  29 #include "chrome/browser/ui/browser.h"
  30 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  31 #include "chrome/test/base/in_process_browser_test.h"
  32 #include "chrome/test/base/ui_test_utils.h"
  33 #include "components/policy/core/browser/browser_policy_connector.h"
  34 #include "components/policy/core/common/external_data_fetcher.h"
  35 #include "components/policy/core/common/external_data_manager.h"
  36 #include "components/policy/core/common/mock_configuration_policy_provider.h"
  37 #include "components/policy/core/common/policy_details.h"
  38 #include "components/policy/core/common/policy_map.h"
  39 #include "components/policy/core/common/schema.h"
  40 #include "content/public/browser/web_contents.h"
  41 #include "content/public/test/browser_test_utils.h"
  42 #include "policy/policy_constants.h"
  43 #include "testing/gmock/include/gmock/gmock.h"
  44 #include "testing/gtest/include/gtest/gtest.h"
  45 #include "url/gurl.h"
  46
  47 using testing::Return;
  48 using testing::_;
  49
  50 namespace policy {
  51
  52 namespace {
  53
  54 const char kMainSettingsPage[] = "chrome://settings-frame";
  55
  56 const char kCrosSettingsPrefix[] = "cros.";
  57
  58 // Contains the details of a single test case verifying that the controlled
  59 // setting indicators for a pref affected by a policy work correctly. This is
  60 // part of the data loaded from chrome/test/data/policy/policy_test_cases.json.
  61 class IndicatorTestCase {
  62  public:
  63   IndicatorTestCase(const base::DictionaryValue& policy,
  64                     const std::string& value,
  65                     bool readonly)
  66       : policy_(policy.DeepCopy()), value_(value), readonly_(readonly) {}
  67   ~IndicatorTestCase() {}
  68
  69   const base::DictionaryValue& policy() const { return *policy_; }
  70
  71   const std::string& value() const { return value_; }
  72
  73   bool readonly() const { return readonly_; }
  74
  75  private:
  76   scoped_ptr<base::DictionaryValue> policy_;
  77   std::string value_;
  78   bool readonly_;
  79
  80   DISALLOW_COPY_AND_ASSIGN(IndicatorTestCase);
  81 };
  82
  83 // Contains the testing details for a single pref affected by a policy. This is
  84 // part of the data loaded from chrome/test/data/policy/policy_test_cases.json.
  85 class PrefMapping {
  86  public:
  87   PrefMapping(const std::string& pref,
  88               bool is_local_state,
  89               const std::string& indicator_test_setup_js,
  90               const std::string& indicator_selector)
  91       : pref_(pref),
  92         is_local_state_(is_local_state),
  93         indicator_test_setup_js_(indicator_test_setup_js),
  94         indicator_selector_(indicator_selector) {
  95   }
  96   ~PrefMapping() {}
  97
  98   const std::string& pref() const { return pref_; }
  99
 100   bool is_local_state() const { return is_local_state_; }
 101
 102   const std::string& indicator_test_setup_js() const {
 103     return indicator_test_setup_js_;
 104   }
 105
 106   const std::string& indicator_selector() const {
 107     return indicator_selector_;
 108   }
 109
 110   const ScopedVector<IndicatorTestCase>& indicator_test_cases() const {
 111     return indicator_test_cases_;
 112   }
 113   void AddIndicatorTestCase(IndicatorTestCase* test_case) {
 114     indicator_test_cases_.push_back(test_case);
 115   }
 116
 117  private:
 118   std::string pref_;
 119   bool is_local_state_;
 120   std::string indicator_test_setup_js_;
 121   std::string indicator_selector_;
 122   ScopedVector<IndicatorTestCase> indicator_test_cases_;
 123
 124   DISALLOW_COPY_AND_ASSIGN(PrefMapping);
 125 };
 126
 127 // Contains the testing details for a single policy. This is part of the data
 128 // loaded from chrome/test/data/policy/policy_test_cases.json.
 129 class PolicyTestCase {
 130  public:
 131   PolicyTestCase(const std::string& name,
 132                  bool is_official_only,
 133                  bool can_be_recommended,
 134                  const std::string& indicator_selector)
 135       : name_(name),
 136         is_official_only_(is_official_only),
 137         can_be_recommended_(can_be_recommended),
 138         indicator_selector_(indicator_selector) {}
 139   ~PolicyTestCase() {}
 140
 141   const std::string& name() const { return name_; }
 142
 143   bool is_official_only() const { return is_official_only_; }
 144
 145   bool can_be_recommended() const { return can_be_recommended_; }
 146
 147   bool IsOsSupported() const {
 148 #if defined(OS_WIN)
 149     const std::string os("win");
 150 #elif defined(OS_MACOSX)
 151     const std::string os("mac");
 152 #elif defined(OS_CHROMEOS)
 153     const std::string os("chromeos");
 154 #elif defined(OS_LINUX)
 155     const std::string os("linux");
 156 #else
 157 #error "Unknown platform"
 158 #endif
 159     return std::find(supported_os_.begin(), supported_os_.end(), os) !=
 160         supported_os_.end();
 161   }
 162   void AddSupportedOs(const std::string& os) { supported_os_.push_back(os); }
 163
 164   bool IsSupported() const {
 165 #if !defined(OFFICIAL_BUILD)
 166     if (is_official_only())
 167       return false;
 168 #endif
 169     return IsOsSupported();
 170   }
 171
 172   const base::DictionaryValue& test_policy() const { return test_policy_; }
 173   void SetTestPolicy(const base::DictionaryValue& policy) {
 174     test_policy_.Clear();
 175     test_policy_.MergeDictionary(&policy);
 176   }
 177
 178   const ScopedVector<PrefMapping>& pref_mappings() const {
 179     return pref_mappings_;
 180   }
 181   void AddPrefMapping(PrefMapping* pref_mapping) {
 182     pref_mappings_.push_back(pref_mapping);
 183   }
 184
 185   const std::string& indicator_selector() const { return indicator_selector_; }
 186
 187  private:
 188   std::string name_;
 189   bool is_official_only_;
 190   bool can_be_recommended_;
 191   std::vector<std::string> supported_os_;
 192   base::DictionaryValue test_policy_;
 193   ScopedVector<PrefMapping> pref_mappings_;
 194   std::string indicator_selector_;
 195
 196   DISALLOW_COPY_AND_ASSIGN(PolicyTestCase);
 197 };
 198
 199 // Parses all policy test cases and makes then available in a map.
 200 class PolicyTestCases {
 201  public:
 202   typedef std::map<std::string, PolicyTestCase*> PolicyTestCaseMap;
 203   typedef PolicyTestCaseMap::const_iterator iterator;
 204
 205   PolicyTestCases() {
 206     base::FilePath path = ui_test_utils::GetTestFilePath(
 207         base::FilePath(FILE_PATH_LITERAL("policy")),
 208         base::FilePath(FILE_PATH_LITERAL("policy_test_cases.json")));
 209     std::string json;
 210     if (!base::ReadFileToString(path, &json)) {
 211       ADD_FAILURE();
 212       return;
 213     }
 214     int error_code = -1;
 215     std::string error_string;
 216     base::DictionaryValue* dict = NULL;
 217     scoped_ptr<base::Value> value(base::JSONReader::ReadAndReturnError(
 218         json, base::JSON_PARSE_RFC, &error_code, &error_string));
 219     if (!value.get() || !value->GetAsDictionary(&dict)) {
 220       ADD_FAILURE() << "Error parsing policy_test_cases.json: " << error_string;
 221       return;
 222     }
 223     Schema chrome_schema = Schema::Wrap(GetChromeSchemaData());
 224     if (!chrome_schema.valid()) {
 225       ADD_FAILURE();
 226       return;
 227     }
 228     for (Schema::Iterator it = chrome_schema.GetPropertiesIterator();
 229          !it.IsAtEnd(); it.Advance()) {
 230       PolicyTestCase* policy_test_case = GetPolicyTestCase(dict, it.key());
 231       if (policy_test_case)
 232         policy_test_cases_[it.key()] = policy_test_case;
 233     }
 234   }
 235
 236   ~PolicyTestCases() {
 237     STLDeleteValues(&policy_test_cases_);
 238   }
 239
 240   const PolicyTestCase* Get(const std::string& name) const {
 241     const iterator it = policy_test_cases_.find(name);
 242     return it == end() ? NULL : it->second;
 243   }
 244
 245   const PolicyTestCaseMap& map() const { return policy_test_cases_; }
 246   iterator begin() const { return policy_test_cases_.begin(); }
 247   iterator end() const { return policy_test_cases_.end(); }
 248
 249  private:
 250   PolicyTestCase* GetPolicyTestCase(const base::DictionaryValue* tests,
 251                                     const std::string& name) {
 252     const base::DictionaryValue* policy_test_dict = NULL;
 253     if (!tests->GetDictionary(name, &policy_test_dict))
 254       return NULL;
 255     bool is_official_only = false;
 256     policy_test_dict->GetBoolean("official_only", &is_official_only);
 257     bool can_be_recommended = false;
 258     policy_test_dict->GetBoolean("can_be_recommended", &can_be_recommended);
 259     std::string indicator_selector;
 260     policy_test_dict->GetString("indicator_selector", &indicator_selector);
 261     PolicyTestCase* policy_test_case = new PolicyTestCase(name,
 262                                                           is_official_only,
 263                                                           can_be_recommended,
 264                                                           indicator_selector);
 265     const base::ListValue* os_list = NULL;
 266     if (policy_test_dict->GetList("os", &os_list)) {
 267       for (size_t i = 0; i < os_list->GetSize(); ++i) {
 268         std::string os;
 269         if (os_list->GetString(i, &os))
 270           policy_test_case->AddSupportedOs(os);
 271       }
 272     }
 273     const base::DictionaryValue* policy = NULL;
 274     if (policy_test_dict->GetDictionary("test_policy", &policy))
 275       policy_test_case->SetTestPolicy(*policy);
 276     const base::ListValue* pref_mappings = NULL;
 277     if (policy_test_dict->GetList("pref_mappings", &pref_mappings)) {
 278       for (size_t i = 0; i < pref_mappings->GetSize(); ++i) {
 279         const base::DictionaryValue* pref_mapping_dict = NULL;
 280         std::string pref;
 281         if (!pref_mappings->GetDictionary(i, &pref_mapping_dict) ||
 282             !pref_mapping_dict->GetString("pref", &pref)) {
 283           ADD_FAILURE() << "Malformed pref_mappings entry in "
 284                         << "policy_test_cases.json.";
 285           continue;
 286         }
 287         bool is_local_state = false;
 288         pref_mapping_dict->GetBoolean("local_state", &is_local_state);
 289         std::string indicator_test_setup_js;
 290         pref_mapping_dict->GetString("indicator_test_setup_js",
 291                                      &indicator_test_setup_js);
 292         std::string indicator_selector;
 293         pref_mapping_dict->GetString("indicator_selector", &indicator_selector);
 294         PrefMapping* pref_mapping = new PrefMapping(
 295             pref, is_local_state, indicator_test_setup_js, indicator_selector);
 296         const base::ListValue* indicator_tests = NULL;
 297         if (pref_mapping_dict->GetList("indicator_tests", &indicator_tests)) {
 298           for (size_t i = 0; i < indicator_tests->GetSize(); ++i) {
 299             const base::DictionaryValue* indicator_test_dict = NULL;
 300             const base::DictionaryValue* policy = NULL;
 301             if (!indicator_tests->GetDictionary(i, &indicator_test_dict) ||
 302                 !indicator_test_dict->GetDictionary("policy", &policy)) {
 303               ADD_FAILURE() << "Malformed indicator_tests entry in "
 304                             << "policy_test_cases.json.";
 305               continue;
 306             }
 307             std::string value;
 308             indicator_test_dict->GetString("value", &value);
 309             bool readonly = false;
 310             indicator_test_dict->GetBoolean("readonly", &readonly);
 311             pref_mapping->AddIndicatorTestCase(
 312                 new IndicatorTestCase(*policy, value, readonly));
 313           }
 314         }
 315         policy_test_case->AddPrefMapping(pref_mapping);
 316       }
 317     }
 318     return policy_test_case;
 319   }
 320
 321   PolicyTestCaseMap policy_test_cases_;
 322
 323   DISALLOW_COPY_AND_ASSIGN(PolicyTestCases);
 324 };
 325
 326 // Returns a pseudo-random integer distributed in [0, range).
 327 int GetRandomNumber(int range) {
 328   return rand() % range;
 329 }
 330
 331 // Splits all known policies into subsets of the given |chunk_size|. The
 332 // policies are shuffled so that there is no correlation between their initial
 333 // alphabetic ordering and the assignment to chunks. This ensures that the
 334 // expected number of policies with long-running test cases is equal for each
 335 // subset. The shuffle algorithm uses a fixed seed, ensuring that no randomness
 336 // is introduced into the testing process.
 337 std::vector<std::vector<std::string> > SplitPoliciesIntoChunks(int chunk_size) {
 338   Schema chrome_schema = Schema::Wrap(GetChromeSchemaData());
 339   if (!chrome_schema.valid())
 340     ADD_FAILURE();
 341
 342   std::vector<std::string> policies;
 343   for (Schema::Iterator it = chrome_schema.GetPropertiesIterator();
 344        !it.IsAtEnd(); it.Advance()) {
 345     policies.push_back(it.key());
 346   }
 347
 348   // Use a fixed random seed to obtain a reproducible shuffle.
 349   srand(1);
 350   std::random_shuffle(policies.begin(), policies.end(), GetRandomNumber);
 351
 352   std::vector<std::vector<std::string> > chunks;
 353   std::vector<std::string>::const_iterator it = policies.begin();
 354   const std::vector<std::string>::const_iterator end = policies.end();
 355   for ( ; end - it >= chunk_size; it += chunk_size)
 356     chunks.push_back(std::vector<std::string>(it, it + chunk_size));
 357   if (it != end)
 358     chunks.push_back(std::vector<std::string>(it, end));
 359   return chunks;
 360 }
 361
 362 void VerifyControlledSettingIndicators(Browser* browser,
 363                                        const std::string& selector,
 364                                        const std::string& value,
 365                                        const std::string& controlled_by,
 366                                        bool readonly) {
 367   std::stringstream javascript;
 368   javascript << "var nodes = document.querySelectorAll("
 369              << "    'span.controlled-setting-indicator"
 370              <<          selector.c_str() << "');"
 371              << "var indicators = [];"
 372              << "for (var i = 0; i < nodes.length; i++) {"
 373              << "  var node = nodes[i];"
 374              << "  var indicator = {};"
 375              << "  indicator.value = node.value || '';"
 376              << "  indicator.controlledBy = node.controlledBy || '';"
 377              << "  indicator.readOnly = node.readOnly || false;"
 378              << "  indicator.visible ="
 379              << "      window.getComputedStyle(node).display != 'none';"
 380              << "  indicators.push(indicator)"
 381              << "}"
 382              << "domAutomationController.send(JSON.stringify(indicators));";
 383   content::WebContents* contents =
 384       browser->tab_strip_model()->GetActiveWebContents();
 385   std::string json;
 386   // Retrieve the state of all controlled setting indicators matching the
 387   // |selector| as JSON.
 388   ASSERT_TRUE(content::ExecuteScriptAndExtractString(contents, javascript.str(),
 389                                                      &json));
 390   scoped_ptr<base::Value> value_ptr(base::JSONReader::Read(json));
 391   const base::ListValue* indicators = NULL;
 392   ASSERT_TRUE(value_ptr.get());
 393   ASSERT_TRUE(value_ptr->GetAsList(&indicators));
 394   // Verify that controlled setting indicators representing |value| are visible
 395   // and have the correct state while those not representing |value| are
 396   // invisible.
 397   if (!controlled_by.empty()) {
 398     EXPECT_GT(indicators->GetSize(), 0u)
 399         << "Expected to find at least one controlled setting indicator.";
 400   }
 401   bool have_visible_indicators = false;
 402   for (base::ListValue::const_iterator indicator = indicators->begin();
 403        indicator != indicators->end(); ++indicator) {
 404     const base::DictionaryValue* properties = NULL;
 405     ASSERT_TRUE((*indicator)->GetAsDictionary(&properties));
 406     std::string indicator_value;
 407     std::string indicator_controlled_by;
 408     bool indicator_readonly;
 409     bool indicator_visible;
 410     EXPECT_TRUE(properties->GetString("value", &indicator_value));
 411     EXPECT_TRUE(properties->GetString("controlledBy",
 412                                       &indicator_controlled_by));
 413     EXPECT_TRUE(properties->GetBoolean("readOnly", &indicator_readonly));
 414     EXPECT_TRUE(properties->GetBoolean("visible", &indicator_visible));
 415     if (!controlled_by.empty() && (indicator_value == value)) {
 416       EXPECT_EQ(controlled_by, indicator_controlled_by);
 417       EXPECT_EQ(readonly, indicator_readonly);
 418       EXPECT_TRUE(indicator_visible);
 419       have_visible_indicators = true;
 420     } else {
 421       EXPECT_FALSE(indicator_visible);
 422     }
 423   }
 424   if (!controlled_by.empty()) {
 425     EXPECT_TRUE(have_visible_indicators)
 426         << "Expected to find at least one visible controlled setting "
 427         << "indicator.";
 428   }
 429 }
 430
 431 }  // namespace
 432
 433 TEST(PolicyPrefsTestCoverageTest, AllPoliciesHaveATestCase) {
 434   // Verifies that all known policies have a test case in the JSON file.
 435   // This test fails when a policy is added to
 436   // components/policy/resources/policy_templates.json but a test case is not
 437   // added to chrome/test/data/policy/policy_test_cases.json.
 438   Schema chrome_schema = Schema::Wrap(GetChromeSchemaData());
 439   ASSERT_TRUE(chrome_schema.valid());
 440
 441   PolicyTestCases policy_test_cases;
 442   for (Schema::Iterator it = chrome_schema.GetPropertiesIterator();
 443        !it.IsAtEnd(); it.Advance()) {
 444     EXPECT_TRUE(ContainsKey(policy_test_cases.map(), it.key()))
 445         << "Missing policy test case for: " << it.key();
 446   }
 447 }
 448
 449 // Base class for tests that change policy.
 450 class PolicyPrefsTest : public InProcessBrowserTest {
 451  protected:
 452   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
 453     EXPECT_CALL(provider_, IsInitializationComplete(_))
 454         .WillRepeatedly(Return(true));
 455     BrowserPolicyConnector::SetPolicyProviderForTesting(&provider_);
 456   }
 457
 458   virtual void SetUpOnMainThread() OVERRIDE {
 459     ui_test_utils::WaitForTemplateURLServiceToLoad(
 460         TemplateURLServiceFactory::GetForProfile(browser()->profile()));
 461   }
 462
 463   virtual void TearDownOnMainThread() OVERRIDE {
 464     ClearProviderPolicy();
 465   }
 466
 467   void ClearProviderPolicy() {
 468     provider_.UpdateChromePolicy(PolicyMap());
 469     base::RunLoop().RunUntilIdle();
 470   }
 471
 472   void SetProviderPolicy(const base::DictionaryValue& policies,
 473                          PolicyLevel level) {
 474     PolicyMap policy_map;
 475     for (base::DictionaryValue::Iterator it(policies);
 476          !it.IsAtEnd(); it.Advance()) {
 477       const PolicyDetails* policy_details = GetChromePolicyDetails(it.key());
 478       ASSERT_TRUE(policy_details);
 479       policy_map.Set(
 480           it.key(),
 481           level,
 482           POLICY_SCOPE_USER,
 483           it.value().DeepCopy(),
 484           policy_details->max_external_data_size ?
 485               new ExternalDataFetcher(base::WeakPtr<ExternalDataManager>(),
 486                                       it.key()) :
 487               NULL);
 488     }
 489     provider_.UpdateChromePolicy(policy_map);
 490     base::RunLoop().RunUntilIdle();
 491   }
 492
 493   MockConfigurationPolicyProvider provider_;
 494 };
 495
 496 // Verifies that policies make their corresponding preferences become managed,
 497 // and that the user can't override that setting.
 498 IN_PROC_BROWSER_TEST_F(PolicyPrefsTest, PolicyToPrefsMapping) {
 499   PrefService* local_state = g_browser_process->local_state();
 500   PrefService* user_prefs = browser()->profile()->GetPrefs();
 501
 502   const PolicyTestCases test_cases;
 503   for (PolicyTestCases::iterator it = test_cases.begin();
 504        it != test_cases.end(); ++it) {
 505     const ScopedVector<PrefMapping>& pref_mappings =
 506         it->second->pref_mappings();
 507     if (!it->second->IsSupported() || pref_mappings.empty())
 508       continue;
 509
 510     LOG(INFO) << "Testing policy: " << it->first;
 511
 512     for (ScopedVector<PrefMapping>::const_iterator
 513              pref_mapping = pref_mappings.begin();
 514          pref_mapping != pref_mappings.end();
 515          ++pref_mapping) {
 516       // Skip Chrome OS preferences that use a different backend and cannot be
 517       // retrieved through the prefs mechanism.
 518       if (StartsWithASCII((*pref_mapping)->pref(), kCrosSettingsPrefix, true))
 519         continue;
 520
 521       PrefService* prefs = (*pref_mapping)->is_local_state() ?
 522           local_state : user_prefs;
 523       // The preference must have been registered.
 524       const PrefService::Preference* pref =
 525           prefs->FindPreference((*pref_mapping)->pref().c_str());
 526       ASSERT_TRUE(pref);
 527
 528       // Verify that setting the policy overrides the pref.
 529       ClearProviderPolicy();
 530       prefs->ClearPref((*pref_mapping)->pref().c_str());
 531       EXPECT_TRUE(pref->IsDefaultValue());
 532       EXPECT_TRUE(pref->IsUserModifiable());
 533       EXPECT_FALSE(pref->IsUserControlled());
 534       EXPECT_FALSE(pref->IsManaged());
 535
 536       SetProviderPolicy(it->second->test_policy(), POLICY_LEVEL_MANDATORY);
 537       EXPECT_FALSE(pref->IsDefaultValue());
 538       EXPECT_FALSE(pref->IsUserModifiable());
 539       EXPECT_FALSE(pref->IsUserControlled());
 540       EXPECT_TRUE(pref->IsManaged());
 541     }
 542   }
 543 }
 544
 545 class PolicyPrefIndicatorTest
 546     : public PolicyPrefsTest,
 547       public testing::WithParamInterface<std::vector<std::string> > {
 548 };
 549
 550 // Verifies that controlled setting indicators correctly show whether a pref's
 551 // value is recommended or enforced by a corresponding policy.
 552 IN_PROC_BROWSER_TEST_P(PolicyPrefIndicatorTest, CheckPolicyIndicators) {
 553   const PolicyTestCases test_cases;
 554   PrefService* local_state = g_browser_process->local_state();
 555   PrefService* user_prefs = browser()->profile()->GetPrefs();
 556
 557   ui_test_utils::NavigateToURL(browser(), GURL(kMainSettingsPage));
 558
 559   for (std::vector<std::string>::const_iterator it = GetParam().begin();
 560        it != GetParam().end(); ++it) {
 561     const PolicyTestCase* policy_test_case = test_cases.Get(*it);
 562     ASSERT_TRUE(policy_test_case) << "PolicyTestCase not found for " << *it;
 563     if (!policy_test_case->IsSupported())
 564       continue;
 565     const ScopedVector<PrefMapping>& pref_mappings =
 566         policy_test_case->pref_mappings();
 567     if (policy_test_case->indicator_selector().empty()) {
 568       bool has_pref_indicator_tests = false;
 569       for (ScopedVector<PrefMapping>::const_iterator
 570                pref_mapping = pref_mappings.begin();
 571            pref_mapping != pref_mappings.end();
 572            ++pref_mapping) {
 573         if (!(*pref_mapping)->indicator_test_cases().empty()) {
 574           has_pref_indicator_tests = true;
 575           break;
 576         }
 577       }
 578       if (!has_pref_indicator_tests)
 579         continue;
 580     }
 581
 582     LOG(INFO) << "Testing policy: " << *it;
 583
 584     if (!policy_test_case->indicator_selector().empty()) {
 585       // Check that no controlled setting indicator is visible when no value is
 586       // set by policy.
 587       ClearProviderPolicy();
 588       VerifyControlledSettingIndicators(browser(),
 589                                         policy_test_case->indicator_selector(),
 590                                         std::string(),
 591                                         std::string(),
 592                                         false);
 593       // Check that the appropriate controlled setting indicator is shown when a
 594       // value is enforced by policy.
 595       SetProviderPolicy(policy_test_case->test_policy(),
 596                         POLICY_LEVEL_MANDATORY);
 597       VerifyControlledSettingIndicators(browser(),
 598                                         policy_test_case->indicator_selector(),
 599                                         std::string(),
 600                                         "policy",
 601                                         false);
 602     }
 603
 604     for (ScopedVector<PrefMapping>::const_iterator
 605              pref_mapping = pref_mappings.begin();
 606          pref_mapping != pref_mappings.end();
 607          ++pref_mapping) {
 608       const ScopedVector<IndicatorTestCase>&
 609           indicator_test_cases = (*pref_mapping)->indicator_test_cases();
 610       if (indicator_test_cases.empty())
 611         continue;
 612
 613       if (!(*pref_mapping)->indicator_test_setup_js().empty()) {
 614         ASSERT_TRUE(content::ExecuteScript(
 615             browser()->tab_strip_model()->GetActiveWebContents(),
 616             (*pref_mapping)->indicator_test_setup_js()));
 617       }
 618
 619       std::string indicator_selector = (*pref_mapping)->indicator_selector();
 620       if (indicator_selector.empty())
 621         indicator_selector = "[pref=\"" + (*pref_mapping)->pref() + "\"]";
 622       for (ScopedVector<IndicatorTestCase>::const_iterator
 623                indicator_test_case = indicator_test_cases.begin();
 624            indicator_test_case != indicator_test_cases.end();
 625            ++indicator_test_case) {
 626         // Check that no controlled setting indicator is visible when no value
 627         // is set by policy.
 628         ClearProviderPolicy();
 629         VerifyControlledSettingIndicators(
 630             browser(), indicator_selector, std::string(), std::string(), false);
 631         // Check that the appropriate controlled setting indicator is shown when
 632         // a value is enforced by policy.
 633         SetProviderPolicy((*indicator_test_case)->policy(),
 634                           POLICY_LEVEL_MANDATORY);
 635         VerifyControlledSettingIndicators(browser(), indicator_selector,
 636                                           (*indicator_test_case)->value(),
 637                                           "policy",
 638                                           (*indicator_test_case)->readonly());
 639
 640         if (!policy_test_case->can_be_recommended())
 641           continue;
 642
 643         PrefService* prefs = (*pref_mapping)->is_local_state() ?
 644             local_state : user_prefs;
 645         // The preference must have been registered.
 646         const PrefService::Preference* pref =
 647             prefs->FindPreference((*pref_mapping)->pref().c_str());
 648         ASSERT_TRUE(pref);
 649
 650         // Check that the appropriate controlled setting indicator is shown when
 651         // a value is recommended by policy and the user has not overridden the
 652         // recommendation.
 653         SetProviderPolicy((*indicator_test_case)->policy(),
 654                           POLICY_LEVEL_RECOMMENDED);
 655         VerifyControlledSettingIndicators(browser(), indicator_selector,
 656                                           (*indicator_test_case)->value(),
 657                                           "recommended",
 658                                           (*indicator_test_case)->readonly());
 659         // Check that the appropriate controlled setting indicator is shown when
 660         // a value is recommended by policy and the user has overridden the
 661         // recommendation.
 662         prefs->Set((*pref_mapping)->pref().c_str(), *pref->GetValue());
 663         VerifyControlledSettingIndicators(browser(), indicator_selector,
 664                                           (*indicator_test_case)->value(),
 665                                           "hasRecommendation",
 666                                           (*indicator_test_case)->readonly());
 667         prefs->ClearPref((*pref_mapping)->pref().c_str());
 668       }
 669     }
 670   }
 671 }
 672
 673 INSTANTIATE_TEST_CASE_P(PolicyPrefIndicatorTestInstance,
 674                         PolicyPrefIndicatorTest,
 675                         testing::ValuesIn(SplitPoliciesIntoChunks(50)));
 676
 677 }  // namespace policy