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| 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 "content/browser/loader/offline_policy.h" |
| 6 |
| 7 #include "base/command_line.h" |
| 8 #include "content/public/common/content_switches.h" |
| 9 #include "net/base/load_flags.h" |
| 10 #include "net/http/http_response_info.h" |
| 11 #include "testing/gtest/include/gtest/gtest.h" |
| 12 #include "webkit/glue/resource_type.h" |
| 13 |
| 14 namespace content { |
| 15 |
| 16 class OfflinePolicyTest : public testing::Test { |
| 17 public: |
| 18 virtual void SetUp() { |
| 19 CommandLine::ForCurrentProcess()->AppendSwitch( |
| 20 switches::kEnableOfflineCacheAccess); |
| 21 } |
| 22 |
| 23 protected: |
| 24 OfflinePolicy policy_; |
| 25 }; |
| 26 |
| 27 // Confirm that the initial state of an offline object is to return |
| 28 // LOAD_FROM_CACHE_IF_OFFLINE until it gets changed. |
| 29 TEST_F(OfflinePolicyTest, InitialState) { |
| 30 // Two loads without any reset, no RequestCompleted. |
| 31 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, |
| 32 policy_.GetAdditionalLoadFlags(0, ResourceType::MAIN_FRAME)); |
| 33 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, |
| 34 policy_.GetAdditionalLoadFlags(0, ResourceType::IMAGE)); |
| 35 } |
| 36 |
| 37 // Completion without any network probing doesn't change result value. |
| 38 TEST_F(OfflinePolicyTest, CompletedUncertain) { |
| 39 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, |
| 40 policy_.GetAdditionalLoadFlags(0, ResourceType::MAIN_FRAME)); |
| 41 net::HttpResponseInfo response_info; |
| 42 policy_.RequestCompleted(response_info); |
| 43 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, |
| 44 policy_.GetAdditionalLoadFlags(0, ResourceType::OBJECT)); |
| 45 } |
| 46 |
| 47 // Completion with a failed network probe changes result value. |
| 48 TEST_F(OfflinePolicyTest, CompletedNoNetwork) { |
| 49 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, |
| 50 policy_.GetAdditionalLoadFlags(0, ResourceType::MAIN_FRAME)); |
| 51 net::HttpResponseInfo response_info; |
| 52 response_info.server_data_unavailable = true; |
| 53 policy_.RequestCompleted(response_info); |
| 54 EXPECT_EQ(net::LOAD_ONLY_FROM_CACHE, |
| 55 policy_.GetAdditionalLoadFlags(0, ResourceType::OBJECT)); |
| 56 } |
| 57 |
| 58 // Completion with a successful network probe changes result value. |
| 59 TEST_F(OfflinePolicyTest, CompletedNetwork) { |
| 60 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, |
| 61 policy_.GetAdditionalLoadFlags(0, ResourceType::MAIN_FRAME)); |
| 62 net::HttpResponseInfo response_info; |
| 63 response_info.network_accessed = true; |
| 64 policy_.RequestCompleted(response_info); |
| 65 EXPECT_EQ(0, policy_.GetAdditionalLoadFlags(0, ResourceType::OBJECT)); |
| 66 } |
| 67 |
| 68 // A new navigation resets a state change. |
| 69 TEST_F(OfflinePolicyTest, NewNavigationReset) { |
| 70 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, |
| 71 policy_.GetAdditionalLoadFlags(0, ResourceType::MAIN_FRAME)); |
| 72 net::HttpResponseInfo response_info; |
| 73 response_info.network_accessed = true; |
| 74 policy_.RequestCompleted(response_info); |
| 75 EXPECT_EQ(0, policy_.GetAdditionalLoadFlags(0, ResourceType::OBJECT)); |
| 76 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, |
| 77 policy_.GetAdditionalLoadFlags(0, ResourceType::MAIN_FRAME)); |
| 78 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, |
| 79 policy_.GetAdditionalLoadFlags(0, ResourceType::OBJECT)); |
| 80 } |
| 81 |
| 82 // Cache related flags inhibit the returning of any special flags. |
| 83 TEST_F(OfflinePolicyTest, ConsumerFlagOverride) { |
| 84 EXPECT_EQ(0, policy_.GetAdditionalLoadFlags(net::LOAD_BYPASS_CACHE, |
| 85 ResourceType::MAIN_FRAME)); |
| 86 net::HttpResponseInfo response_info; |
| 87 response_info.server_data_unavailable = true; |
| 88 policy_.RequestCompleted(response_info); |
| 89 EXPECT_EQ(0, policy_.GetAdditionalLoadFlags(net::LOAD_BYPASS_CACHE, |
| 90 ResourceType::OBJECT)); |
| 91 } |
| 92 |
| 93 } |
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