Split up chrome/browser/policy subdirectory

chrome/browser/policy/component_cloud_policy_updater_unittest.cc

Index: chrome/browser/policy/component_cloud_policy_updater_unittest.cc
diff --git a/chrome/browser/policy/component_cloud_policy_updater_unittest.cc b/chrome/browser/policy/component_cloud_policy_updater_unittest.cc
deleted file mode 100644
index b7b883472fe880095f72a9f96caebc542391c814..0000000000000000000000000000000000000000
--- a/chrome/browser/policy/component_cloud_policy_updater_unittest.cc
+++ /dev/null
@@ -1,447 +0,0 @@
-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/policy/component_cloud_policy_updater.h"
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/files/scoped_temp_dir.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/sha1.h"
-#include "base/test/test_pending_task.h"
-#include "base/test/test_simple_task_runner.h"
-#include "base/time.h"
-#include "chrome/browser/policy/cloud_policy_constants.h"
-#include "chrome/browser/policy/component_cloud_policy_store.h"
-#include "chrome/browser/policy/policy_builder.h"
-#include "chrome/browser/policy/proto/chrome_extension_policy.pb.h"
-#include "chrome/browser/policy/proto/device_management_backend.pb.h"
-#include "chrome/browser/policy/resource_cache.h"
-#include "net/base/net_errors.h"
-#include "net/url_request/test_url_fetcher_factory.h"
-#include "net/url_request/url_fetcher_delegate.h"
-#include "net/url_request/url_request_context_getter.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace em = enterprise_management;
-
-using testing::Mock;
-
-namespace policy {
-
-namespace {
-
-const char kTestExtension[] = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
-const char kTestExtension2[] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
-const char kTestDownload[] = "http://example.com/getpolicy?id=123";
-const char kTestDownload2[] = "http://example.com/getpolicy?id=456";
-const char kTestDownload3[] = "http://example.com/getpolicy?id=789";
-const char kTestPolicy[] =
-    "{"
-    "  \"Name\": {"
-    "    \"Value\": \"disabled\""
-    "  },"
-    "  \"Second\": {"
-    "    \"Value\": \"maybe\","
-    "    \"Level\": \"Recommended\""
-    "  }"
-    "}";
-
-class MockComponentCloudPolicyStoreDelegate
-    : public ComponentCloudPolicyStore::Delegate {
- public:
-  virtual ~MockComponentCloudPolicyStoreDelegate() {}
-
-  MOCK_METHOD0(OnComponentCloudPolicyStoreUpdated, void());
-};
-
-}  // namespace
-
-class ComponentCloudPolicyUpdaterTest : public testing::Test {
- protected:
-  virtual void SetUp() OVERRIDE {
-    ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
-    cache_.reset(new ResourceCache(temp_dir_.path()));
-    store_.reset(new ComponentCloudPolicyStore(&store_delegate_, cache_.get()));
-    store_->SetCredentials(ComponentPolicyBuilder::kFakeUsername,
-                           ComponentPolicyBuilder::kFakeToken);
-    fetcher_factory_.set_remove_fetcher_on_delete(true);
-    scoped_refptr<net::URLRequestContextGetter> request_context;
-    task_runner_ = new base::TestSimpleTaskRunner();
-    updater_.reset(new ComponentCloudPolicyUpdater(
-        task_runner_, request_context, store_.get()));
-    ASSERT_FALSE(GetCurrentFetcher());
-    ASSERT_TRUE(store_->policy().begin() == store_->policy().end());
-
-    builder_.policy_data().set_policy_type(
-        dm_protocol::kChromeExtensionPolicyType);
-    builder_.policy_data().set_settings_entity_id(kTestExtension);
-    builder_.payload().set_download_url(kTestDownload);
-    builder_.payload().set_secure_hash(base::SHA1HashString(kTestPolicy));
-
-    PolicyNamespace ns(POLICY_DOMAIN_EXTENSIONS, kTestExtension);
-    PolicyMap& policy = expected_bundle_.Get(ns);
-    policy.Set("Name", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
-               base::Value::CreateStringValue("disabled"));
-    policy.Set("Second", POLICY_LEVEL_RECOMMENDED, POLICY_SCOPE_USER,
-               base::Value::CreateStringValue("maybe"));
-  }
-
-  net::TestURLFetcher* GetCurrentFetcher() {
-    return fetcher_factory_.GetFetcherByID(0);
-  }
-
-  // Many tests also verify that a second fetcher is scheduled once the first
-  // completes, either successfully or with a failure. This helper starts two
-  // fetches immediately, so that the second is queued.
-  void StartTwoFetches() {
-    updater_->UpdateExternalPolicy(CreateResponse());
-
-    builder_.payload().set_download_url(kTestDownload2);
-    builder_.policy_data().set_settings_entity_id(kTestExtension2);
-    updater_->UpdateExternalPolicy(CreateResponse());
-  }
-
-  scoped_ptr<em::PolicyFetchResponse> CreateResponse() {
-    builder_.Build();
-    return make_scoped_ptr(new em::PolicyFetchResponse(builder_.policy()));
-  }
-
-  std::string CreateSerializedResponse() {
-    builder_.Build();
-    return builder_.GetBlob();
-  }
-
-  base::ScopedTempDir temp_dir_;
-  scoped_ptr<ResourceCache> cache_;
-  scoped_ptr<ComponentCloudPolicyStore> store_;
-  MockComponentCloudPolicyStoreDelegate store_delegate_;
-  net::TestURLFetcherFactory fetcher_factory_;
-  scoped_refptr<base::TestSimpleTaskRunner> task_runner_;
-  scoped_ptr<ComponentCloudPolicyUpdater> updater_;
-  ComponentPolicyBuilder builder_;
-  PolicyBundle expected_bundle_;
-};
-
-TEST_F(ComponentCloudPolicyUpdaterTest, FetchAndCache) {
-  StartTwoFetches();
-
-  // The first fetch was scheduled; complete it.
-  net::TestURLFetcher* fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload), fetcher->GetOriginalURL());
-  fetcher->set_response_code(200);
-  fetcher->SetResponseString(kTestPolicy);
-  EXPECT_CALL(store_delegate_, OnComponentCloudPolicyStoreUpdated());
-  fetcher->delegate()->OnURLFetchComplete(fetcher);
-  Mock::VerifyAndClearExpectations(&store_delegate_);
-
-  // The second fetch was scheduled.
-  fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload2), fetcher->GetOriginalURL());
-
-  // The policy is being served.
-  EXPECT_TRUE(store_->policy().Equals(expected_bundle_));
-
-  // No retries have been scheduled.
-  EXPECT_TRUE(task_runner_->GetPendingTasks().empty());
-}
-
-TEST_F(ComponentCloudPolicyUpdaterTest, LargeResponse) {
-  std::string long_download("http://example.com/get?id=");
-  long_download.append(20 * 1024, '1');
-  builder_.payload().set_download_url(long_download);
-  updater_->UpdateExternalPolicy(CreateResponse());
-
-  builder_.policy_data().set_settings_entity_id(kTestExtension2);
-  builder_.payload().set_download_url(kTestDownload2);
-  updater_->UpdateExternalPolicy(CreateResponse());
-
-  // The first request was dropped, and the second was started.
-  net::TestURLFetcher* fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload2), fetcher->GetOriginalURL());
-
-  // No retry is scheduled for the first request, because the policy was
-  // rejected (too large).
-  EXPECT_TRUE(task_runner_->GetPendingTasks().empty());
-}
-
-TEST_F(ComponentCloudPolicyUpdaterTest, InvalidPolicy) {
-  builder_.policy_data().set_username("wronguser@example.com");
-  updater_->UpdateExternalPolicy(CreateResponse());
-
-  builder_.policy_data().set_username(ComponentPolicyBuilder::kFakeUsername);
-  builder_.policy_data().set_settings_entity_id(kTestExtension2);
-  builder_.payload().set_download_url(kTestDownload2);
-  updater_->UpdateExternalPolicy(CreateResponse());
-
-  // The first request was dropped, and the second was started.
-  net::TestURLFetcher* fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload2), fetcher->GetOriginalURL());
-
-  // No retry is scheduled for the first request, because the policy was
-  // rejected (invalid).
-  EXPECT_TRUE(task_runner_->GetPendingTasks().empty());
-}
-
-TEST_F(ComponentCloudPolicyUpdaterTest, AlreadyCached) {
-  PolicyNamespace ns(POLICY_DOMAIN_EXTENSIONS, kTestExtension);
-  EXPECT_CALL(store_delegate_, OnComponentCloudPolicyStoreUpdated());
-  EXPECT_TRUE(store_->Store(ns,
-                            CreateSerializedResponse(),
-                            base::SHA1HashString(kTestPolicy),
-                            kTestPolicy));
-  Mock::VerifyAndClearExpectations(&store_delegate_);
-
-  // Seeing the same policy data again won't trigger a new fetch.
-  updater_->UpdateExternalPolicy(CreateResponse());
-  EXPECT_FALSE(GetCurrentFetcher());
-
-  // And no retry is scheduled either.
-  EXPECT_TRUE(task_runner_->GetPendingTasks().empty());
-}
-
-TEST_F(ComponentCloudPolicyUpdaterTest, LargeFetch) {
-  StartTwoFetches();
-
-  net::TestURLFetcher* fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload), fetcher->GetOriginalURL());
-  fetcher->delegate()->OnURLFetchDownloadProgress(fetcher, 6 * 1024 * 1024, -1);
-
-  // The second fetch was scheduled next.
-  fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload2), fetcher->GetOriginalURL());
-
-  // A retry is scheduled for the first fetcher.
-  EXPECT_EQ(1u, task_runner_->GetPendingTasks().size());
-}
-
-TEST_F(ComponentCloudPolicyUpdaterTest, FetchFailed) {
-  StartTwoFetches();
-
-  net::TestURLFetcher* fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload), fetcher->GetOriginalURL());
-  fetcher->set_status(net::URLRequestStatus(net::URLRequestStatus::FAILED,
-                                            net::ERR_NETWORK_CHANGED));
-  fetcher->delegate()->OnURLFetchComplete(fetcher);
-
-  // The second fetch was scheduled next.
-  fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload2), fetcher->GetOriginalURL());
-
-  // A retry is scheduled for the first fetcher.
-  EXPECT_EQ(1u, task_runner_->GetPendingTasks().size());
-}
-
-TEST_F(ComponentCloudPolicyUpdaterTest, ServerFailed) {
-  StartTwoFetches();
-
-  net::TestURLFetcher* fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload), fetcher->GetOriginalURL());
-  fetcher->set_response_code(500);
-  fetcher->delegate()->OnURLFetchComplete(fetcher);
-
-  // The second fetch was scheduled next.
-  fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload2), fetcher->GetOriginalURL());
-
-  // A retry is scheduled for the first fetcher.
-  EXPECT_EQ(1u, task_runner_->GetPendingTasks().size());
-}
-
-TEST_F(ComponentCloudPolicyUpdaterTest, RetryLimit) {
-  updater_->UpdateExternalPolicy(CreateResponse());
-
-  // Failing due to client errors retries up to 3 times.
-  for (int i = 0; i < 3; ++i) {
-    net::TestURLFetcher* fetcher = GetCurrentFetcher();
-    ASSERT_TRUE(fetcher);
-    EXPECT_EQ(GURL(kTestDownload), fetcher->GetOriginalURL());
-
-    // Make it fail with a 400 (bad request) client error.
-    fetcher->set_response_code(400);
-    fetcher->delegate()->OnURLFetchComplete(fetcher);
-
-    // A retry is scheduled.
-    EXPECT_EQ(1u, task_runner_->GetPendingTasks().size());
-    // Make it retry immediately.
-    task_runner_->RunPendingTasks();
-    EXPECT_TRUE(task_runner_->GetPendingTasks().empty());
-  }
-
-  net::TestURLFetcher* fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload), fetcher->GetOriginalURL());
-
-  // Make the last retry fail too; it won't retry anymore.
-  fetcher->set_response_code(400);
-  fetcher->delegate()->OnURLFetchComplete(fetcher);
-  EXPECT_TRUE(task_runner_->GetPendingTasks().empty());
-}
-
-TEST_F(ComponentCloudPolicyUpdaterTest, RetryWithBackoff) {
-  updater_->UpdateExternalPolicy(CreateResponse());
-
-  base::TimeDelta expected_delay = base::TimeDelta::FromSeconds(60);
-  const base::TimeDelta delay_cap = base::TimeDelta::FromHours(12);
-
-  // The backoff delay is capped at 12 hours, which is reached after 10 retries:
-  // 60 * 2^10 == 61440 > 43200 == 12 * 60 * 60
-  for (int i = 0; i < 20; ++i) {
-    net::TestURLFetcher* fetcher = GetCurrentFetcher();
-    ASSERT_TRUE(fetcher);
-    EXPECT_EQ(GURL(kTestDownload), fetcher->GetOriginalURL());
-
-    // Make it fail with a 500 server error.
-    fetcher->set_response_code(500);
-    fetcher->delegate()->OnURLFetchComplete(fetcher);
-
-    // A retry is scheduled. The delay is twice the last delay, with random
-    // jitter from 80% to 100%.
-    ASSERT_EQ(1u, task_runner_->GetPendingTasks().size());
-    const base::TestPendingTask& task = task_runner_->GetPendingTasks().front();
-    EXPECT_GT(task.delay,
-              base::TimeDelta::FromMilliseconds(
-                  0.799 * expected_delay.InMilliseconds()));
-    EXPECT_LE(task.delay, expected_delay);
-
-    if (i < 10) {
-      // The delay cap hasn't been reached yet.
-      EXPECT_LT(expected_delay, delay_cap);
-      expected_delay *= 2;
-
-      if (i == 9) {
-        // The last doubling reached the cap.
-        EXPECT_GT(expected_delay, delay_cap);
-        expected_delay = delay_cap;
-      }
-    }
-
-    // Make it retry immediately.
-    task_runner_->RunPendingTasks();
-    EXPECT_TRUE(task_runner_->GetPendingTasks().empty());
-  }
-}
-
-TEST_F(ComponentCloudPolicyUpdaterTest, DataValidationFails) {
-  StartTwoFetches();
-
-  net::TestURLFetcher* fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload), fetcher->GetOriginalURL());
-  fetcher->set_response_code(200);
-  fetcher->SetResponseString("{ won't hash }");
-  fetcher->delegate()->OnURLFetchComplete(fetcher);
-
-  // The second fetch was scheduled next.
-  fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload2), fetcher->GetOriginalURL());
-
-  // A retry is scheduled for the first fetcher.
-  EXPECT_EQ(1u, task_runner_->GetPendingTasks().size());
-}
-
-TEST_F(ComponentCloudPolicyUpdaterTest, FetchUpdatedData) {
-  updater_->UpdateExternalPolicy(CreateResponse());
-
-  // Same extension, but the download location has changed.
-  builder_.payload().set_download_url(kTestDownload2);
-  updater_->UpdateExternalPolicy(CreateResponse());
-
-  // The first was cancelled and overridden by the second.
-  net::TestURLFetcher* fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload2), fetcher->GetOriginalURL());
-
-  // No retries are scheduled.
-  EXPECT_TRUE(task_runner_->GetPendingTasks().empty());
-}
-
-TEST_F(ComponentCloudPolicyUpdaterTest, FetchUpdatedDataWithoutPolicy) {
-  // Fetch the initial policy data.
-  updater_->UpdateExternalPolicy(CreateResponse());
-
-  net::TestURLFetcher* fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload), fetcher->GetOriginalURL());
-  fetcher->set_response_code(200);
-  fetcher->SetResponseString(kTestPolicy);
-  EXPECT_CALL(store_delegate_, OnComponentCloudPolicyStoreUpdated());
-  fetcher->delegate()->OnURLFetchComplete(fetcher);
-  Mock::VerifyAndClearExpectations(&store_delegate_);
-  EXPECT_FALSE(GetCurrentFetcher());
-
-  // The policy is being served.
-  EXPECT_TRUE(store_->policy().Equals(expected_bundle_));
-
-  // Same extension, but the download location has changed and is empty, meaning
-  // that no policy should be served anymore.
-  EXPECT_CALL(store_delegate_, OnComponentCloudPolicyStoreUpdated());
-  builder_.payload().clear_download_url();
-  builder_.payload().clear_secure_hash();
-  updater_->UpdateExternalPolicy(CreateResponse());
-  Mock::VerifyAndClearExpectations(&store_delegate_);
-
-  // No fetcher was started for that.
-  EXPECT_FALSE(GetCurrentFetcher());
-
-  // And the policy has been removed.
-  const PolicyBundle empty_bundle;
-  EXPECT_TRUE(store_->policy().Equals(empty_bundle));
-}
-
-TEST_F(ComponentCloudPolicyUpdaterTest, InvalidatedJob) {
-  StartTwoFetches();
-
-  // Start a new fetch for the second extension with a new download URL; the
-  // queued job is invalidated.
-  builder_.payload().set_download_url(kTestDownload3);
-  updater_->UpdateExternalPolicy(CreateResponse());
-
-  // The first request is still pending.
-  net::TestURLFetcher* fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload), fetcher->GetOriginalURL());
-
-  // Make it fail.
-  fetcher->set_response_code(500);
-  fetcher->delegate()->OnURLFetchComplete(fetcher);
-
-  // Now the second job was invalidated, and the third job (for the same
-  // extension) is the next one.
-  fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-  EXPECT_EQ(GURL(kTestDownload3), fetcher->GetOriginalURL());
-}
-
-TEST_F(ComponentCloudPolicyUpdaterTest, NoPolicy) {
-  // Start a fetch with a valid download url.
-  updater_->UpdateExternalPolicy(CreateResponse());
-  net::TestURLFetcher* fetcher = GetCurrentFetcher();
-  ASSERT_TRUE(fetcher);
-
-  // Now update the policy fetch response before the fetch completes. The new
-  // data does not have a download url.
-  builder_.payload().Clear();
-  updater_->UpdateExternalPolicy(CreateResponse());
-
-  // The download has been cancelled.
-  fetcher = GetCurrentFetcher();
-  ASSERT_FALSE(fetcher);
-}
-
-}  // namespace policy