chrome/browser/ui/webui/policy_ui_browsertest.cc

   1 // Copyright (c) 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 <vector>
   6
   7 #include "base/callback.h"
   8 #include "base/files/scoped_temp_dir.h"
   9 #include "base/json/json_reader.h"
  10 #include "base/run_loop.h"
  11 #include "base/values.h"
  12 #include "chrome/browser/extensions/extension_service.h"
  13 #include "chrome/browser/extensions/test_extension_system.h"
  14 #include "chrome/browser/profiles/profile.h"
  15 #include "chrome/browser/ui/browser.h"
  16 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  17 #include "chrome/common/url_constants.h"
  18 #include "chrome/test/base/in_process_browser_test.h"
  19 #include "chrome/test/base/ui_test_utils.h"
  20 #include "components/policy/core/browser/browser_policy_connector.h"
  21 #include "components/policy/core/common/external_data_fetcher.h"
  22 #include "components/policy/core/common/mock_configuration_policy_provider.h"
  23 #include "components/policy/core/common/policy_map.h"
  24 #include "components/policy/core/common/policy_types.h"
  25 #include "components/policy/core/common/schema.h"
  26 #include "content/public/browser/web_contents.h"
  27 #include "content/public/test/browser_test_utils.h"
  28 #include "extensions/common/extension_builder.h"
  29 #include "grit/components_strings.h"
  30 #include "policy/policy_constants.h"
  31 #include "testing/gmock/include/gmock/gmock.h"
  32 #include "testing/gtest/include/gtest/gtest.h"
  33 #include "ui/base/l10n/l10n_util.h"
  34 #include "url/gurl.h"
  35
  36 using testing::Return;
  37 using testing::_;
  38
  39 namespace {
  40
  41 std::vector<std::string> PopulateExpectedPolicy(
  42     const std::string& name,
  43     const std::string& value,
  44     const policy::PolicyMap::Entry* metadata,
  45     bool unknown) {
  46   std::vector<std::string> expected_policy;
  47
  48   // Populate expected scope.
  49   if (metadata) {
  50     expected_policy.push_back(l10n_util::GetStringUTF8(
  51         metadata->scope == policy::POLICY_SCOPE_MACHINE ?
  52             IDS_POLICY_SCOPE_DEVICE : IDS_POLICY_SCOPE_USER));
  53   } else {
  54     expected_policy.push_back(std::string());
  55   }
  56
  57   // Populate expected level.
  58   if (metadata) {
  59     expected_policy.push_back(l10n_util::GetStringUTF8(
  60         metadata->level == policy::POLICY_LEVEL_RECOMMENDED ?
  61             IDS_POLICY_LEVEL_RECOMMENDED : IDS_POLICY_LEVEL_MANDATORY));
  62   } else {
  63     expected_policy.push_back(std::string());
  64   }
  65
  66   // Populate expected policy name.
  67   expected_policy.push_back(name);
  68
  69   // Populate expected policy value.
  70   expected_policy.push_back(value);
  71
  72   // Populate expected status.
  73   if (unknown)
  74     expected_policy.push_back(l10n_util::GetStringUTF8(IDS_POLICY_UNKNOWN));
  75   else if (metadata)
  76     expected_policy.push_back(l10n_util::GetStringUTF8(IDS_POLICY_OK));
  77   else
  78     expected_policy.push_back(l10n_util::GetStringUTF8(IDS_POLICY_UNSET));
  79
  80   // Populate expected expanded policy value.
  81   expected_policy.push_back(value);
  82
  83   return expected_policy;
  84 }
  85
  86 }  // namespace
  87
  88 class PolicyUITest : public InProcessBrowserTest {
  89  public:
  90   PolicyUITest();
  91   ~PolicyUITest() override;
  92
  93  protected:
  94   // InProcessBrowserTest implementation.
  95   void SetUpInProcessBrowserTestFixture() override;
  96
  97   void UpdateProviderPolicy(const policy::PolicyMap& policy);
  98
  99   void VerifyPolicies(const std::vector<std::vector<std::string> >& expected);
 100
 101  protected:
 102   policy::MockConfigurationPolicyProvider provider_;
 103
 104  private:
 105   DISALLOW_COPY_AND_ASSIGN(PolicyUITest);
 106 };
 107
 108 PolicyUITest::PolicyUITest() {
 109 }
 110
 111 PolicyUITest::~PolicyUITest() {
 112 }
 113
 114 void PolicyUITest::SetUpInProcessBrowserTestFixture() {
 115   EXPECT_CALL(provider_, IsInitializationComplete(_))
 116       .WillRepeatedly(Return(true));
 117   policy::BrowserPolicyConnector::SetPolicyProviderForTesting(&provider_);
 118 }
 119
 120 void PolicyUITest::UpdateProviderPolicy(const policy::PolicyMap& policy) {
 121  provider_.UpdateChromePolicy(policy);
 122  base::RunLoop loop;
 123  loop.RunUntilIdle();
 124 }
 125
 126 void PolicyUITest::VerifyPolicies(
 127     const std::vector<std::vector<std::string> >& expected_policies) {
 128   ui_test_utils::NavigateToURL(browser(), GURL("chrome://policy"));
 129
 130   // Retrieve the text contents of the policy table cells for all policies.
 131   const std::string javascript =
 132       "var entries = document.querySelectorAll("
 133       "    'section.policy-table-section > * > tbody');"
 134       "var policies = [];"
 135       "for (var i = 0; i < entries.length; ++i) {"
 136       "  var items = entries[i].querySelectorAll('tr > td');"
 137       "  var values = [];"
 138       "  for (var j = 0; j < items.length; ++j) {"
 139       "    var item = items[j];"
 140       "    var children = item.getElementsByTagName('div');"
 141       "    if (children.length == 1)"
 142       "      item = children[0];"
 143       "    children = item.getElementsByTagName('span');"
 144       "    if (children.length == 1)"
 145       "      item = children[0];"
 146       "    values.push(item.textContent);"
 147       "  }"
 148       "  policies.push(values);"
 149       "}"
 150       "domAutomationController.send(JSON.stringify(policies));";
 151   content::WebContents* contents =
 152       browser()->tab_strip_model()->GetActiveWebContents();
 153   std::string json;
 154   ASSERT_TRUE(content::ExecuteScriptAndExtractString(contents, javascript,
 155                                                      &json));
 156   scoped_ptr<base::Value> value_ptr(base::JSONReader::Read(json));
 157   const base::ListValue* actual_policies = NULL;
 158   ASSERT_TRUE(value_ptr.get());
 159   ASSERT_TRUE(value_ptr->GetAsList(&actual_policies));
 160
 161   // Verify that the cells contain the expected strings for all policies.
 162   ASSERT_EQ(expected_policies.size(), actual_policies->GetSize());
 163   for (size_t i = 0; i < expected_policies.size(); ++i) {
 164     const std::vector<std::string> expected_policy = expected_policies[i];
 165     const base::ListValue* actual_policy;
 166     ASSERT_TRUE(actual_policies->GetList(i, &actual_policy));
 167     ASSERT_EQ(expected_policy.size(), actual_policy->GetSize());
 168     for (size_t j = 0; j < expected_policy.size(); ++j) {
 169       std::string value;
 170       ASSERT_TRUE(actual_policy->GetString(j, &value));
 171       EXPECT_EQ(expected_policy[j], value);
 172     }
 173   }
 174 }
 175
 176 IN_PROC_BROWSER_TEST_F(PolicyUITest, SendPolicyNames) {
 177   // Verifies that the names of known policies are sent to the UI and processed
 178   // there correctly by checking that the policy table contains all policies in
 179   // the correct order.
 180
 181   // Expect that the policy table contains all known policies in alphabetical
 182   // order and none of the policies have a set value.
 183   std::vector<std::vector<std::string> > expected_policies;
 184   policy::Schema chrome_schema =
 185       policy::Schema::Wrap(policy::GetChromeSchemaData());
 186   ASSERT_TRUE(chrome_schema.valid());
 187   for (policy::Schema::Iterator it = chrome_schema.GetPropertiesIterator();
 188        !it.IsAtEnd(); it.Advance()) {
 189     expected_policies.push_back(
 190         PopulateExpectedPolicy(it.key(), std::string(), NULL, false));
 191   }
 192
 193   // Retrieve the contents of the policy table from the UI and verify that it
 194   // matches the expectation.
 195   VerifyPolicies(expected_policies);
 196 }
 197
 198 IN_PROC_BROWSER_TEST_F(PolicyUITest, SendPolicyValues) {
 199   // Verifies that policy values are sent to the UI and processed there
 200   // correctly by setting the values of four known and one unknown policy and
 201   // checking that the policy table contains the policy names, values and
 202   // metadata in the correct order.
 203   policy::PolicyMap values;
 204   std::map<std::string, std::string> expected_values;
 205
 206   // Set the values of four existing policies.
 207   base::ListValue* restore_on_startup_urls = new base::ListValue;
 208   restore_on_startup_urls->Append(new base::StringValue("aaa"));
 209   restore_on_startup_urls->Append(new base::StringValue("bbb"));
 210   restore_on_startup_urls->Append(new base::StringValue("ccc"));
 211   values.Set(policy::key::kRestoreOnStartupURLs,
 212              policy::POLICY_LEVEL_MANDATORY,
 213              policy::POLICY_SCOPE_USER,
 214              restore_on_startup_urls,
 215              NULL);
 216   expected_values[policy::key::kRestoreOnStartupURLs] = "aaa,bbb,ccc";
 217   values.Set(policy::key::kHomepageLocation,
 218              policy::POLICY_LEVEL_MANDATORY,
 219              policy::POLICY_SCOPE_MACHINE,
 220              new base::StringValue("http://google.com"),
 221              NULL);
 222   expected_values[policy::key::kHomepageLocation] = "http://google.com";
 223   values.Set(policy::key::kRestoreOnStartup,
 224              policy::POLICY_LEVEL_RECOMMENDED,
 225              policy::POLICY_SCOPE_USER,
 226              new base::FundamentalValue(4),
 227              NULL);
 228   expected_values[policy::key::kRestoreOnStartup] = "4";
 229   values.Set(policy::key::kShowHomeButton,
 230              policy::POLICY_LEVEL_RECOMMENDED,
 231              policy::POLICY_SCOPE_MACHINE,
 232              new base::FundamentalValue(true),
 233              NULL);
 234   expected_values[policy::key::kShowHomeButton] = "true";
 235   // Set the value of a policy that does not exist.
 236   const std::string kUnknownPolicy = "NoSuchThing";
 237   values.Set(kUnknownPolicy,
 238              policy::POLICY_LEVEL_MANDATORY,
 239              policy::POLICY_SCOPE_USER,
 240              new base::FundamentalValue(true),
 241              NULL);
 242   expected_values[kUnknownPolicy] = "true";
 243   UpdateProviderPolicy(values);
 244
 245   // Expect that the policy table contains, in order:
 246   // * All known policies whose value has been set, in alphabetical order.
 247   // * The unknown policy.
 248   // * All known policies whose value has not been set, in alphabetical order.
 249   std::vector<std::vector<std::string> > expected_policies;
 250   size_t first_unset_position = 0;
 251   policy::Schema chrome_schema =
 252       policy::Schema::Wrap(policy::GetChromeSchemaData());
 253   ASSERT_TRUE(chrome_schema.valid());
 254   for (policy::Schema::Iterator props = chrome_schema.GetPropertiesIterator();
 255        !props.IsAtEnd(); props.Advance()) {
 256     std::map<std::string, std::string>::const_iterator it =
 257         expected_values.find(props.key());
 258     const std::string value =
 259         it == expected_values.end() ? std::string() : it->second;
 260     const policy::PolicyMap::Entry* metadata = values.Get(props.key());
 261     expected_policies.insert(
 262         metadata ? expected_policies.begin() + first_unset_position++ :
 263                    expected_policies.end(),
 264         PopulateExpectedPolicy(props.key(), value, metadata, false));
 265   }
 266   expected_policies.insert(
 267       expected_policies.begin() + first_unset_position++,
 268       PopulateExpectedPolicy(kUnknownPolicy,
 269                              expected_values[kUnknownPolicy],
 270                              values.Get(kUnknownPolicy),
 271                              true));
 272
 273   // Retrieve the contents of the policy table from the UI and verify that it
 274   // matches the expectation.
 275   VerifyPolicies(expected_policies);
 276 }
 277
 278 IN_PROC_BROWSER_TEST_F(PolicyUITest, ExtensionLoadAndSendPolicy) {
 279   ui_test_utils::NavigateToURL(browser(), GURL(chrome::kChromeUIPolicyURL));
 280   base::ScopedTempDir temp_dir_;
 281   ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 282
 283   const std::string newly_added_policy_name = "new_policy";
 284   std::string json_data = "{\"type\": \"object\",\"properties\": {\"" +
 285                           newly_added_policy_name +
 286                           "\": { \"type\": \"string\"}}}";
 287
 288   const std::string schema_file = "schema.json";
 289   base::FilePath schema_path = temp_dir_.path().AppendASCII(schema_file);
 290   base::WriteFile(schema_path, json_data.data(), json_data.size());
 291
 292   // Build extension that contains the policy schema.
 293   extensions::DictionaryBuilder storage;
 294   storage.Set("managed_schema", schema_file);
 295
 296   extensions::DictionaryBuilder manifest;
 297   manifest.Set("name", "test")
 298       .Set("version", "1")
 299       .Set("manifest_version", 2)
 300       .Set("storage", storage);
 301
 302   extensions::ExtensionBuilder builder;
 303   builder.SetPath(temp_dir_.path());
 304   builder.SetManifest(manifest);
 305
 306   // Install extension.
 307   ExtensionService* service = extensions::ExtensionSystem::Get(
 308                                   browser()->profile())->extension_service();
 309   EXPECT_CALL(provider_, RefreshPolicies());
 310   service->OnExtensionInstalled(builder.Build().get(), syncer::StringOrdinal(),
 311                                 0);
 312
 313   std::vector<std::vector<std::string>> expected_policies;
 314   policy::Schema chrome_schema =
 315       policy::Schema::Wrap(policy::GetChromeSchemaData());
 316   ASSERT_TRUE(chrome_schema.valid());
 317
 318   for (policy::Schema::Iterator it = chrome_schema.GetPropertiesIterator();
 319        !it.IsAtEnd(); it.Advance()) {
 320     expected_policies.push_back(
 321         PopulateExpectedPolicy(it.key(), std::string(), NULL, false));
 322   }
 323   // Add newly added policy to expected policy list.
 324   expected_policies.push_back(PopulateExpectedPolicy(
 325       newly_added_policy_name, std::string(), NULL, false));
 326
 327   // Verify if policy UI includes policy that extension have.
 328   VerifyPolicies(expected_policies);
 329 }