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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/common/resource_type.h" | |
| 13 | |
| 14 namespace content { | |
| 15 | |
| 16 class OfflinePolicyTest : public testing::Test { | |
| 17 protected: | |
| 18 virtual void SetUp() { | |
| 19 CommandLine::ForCurrentProcess()->AppendSwitch( | |
| 20 switches::kEnableOfflineCacheAccess); | |
| 21 policy_ = new OfflinePolicy; | |
| 22 } | |
| 23 | |
| 24 virtual void TearDown() { | |
| 25 delete policy_; | |
| 26 policy_ = NULL; | |
| 27 } | |
| 28 | |
| 29 OfflinePolicy* policy_; | |
| 30 }; | |
| 31 | |
| 32 // Confirm that the initial state of an offline object is to return | |
| 33 // LOAD_FROM_CACHE_IF_OFFLINE until it gets changed. | |
| 34 TEST_F(OfflinePolicyTest, InitialState) { | |
| 35 // Two loads without any reset, no UpdateStateForSuccessfullyStartedRequest. | |
| 36 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, | |
| 37 policy_->GetAdditionalLoadFlags(0, true)); | |
| 38 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, | |
| 39 policy_->GetAdditionalLoadFlags(0, false)); | |
| 40 } | |
| 41 | |
| 42 // Completion without any network probing doesn't change result value. | |
| 43 TEST_F(OfflinePolicyTest, CompletedUncertain) { | |
| 44 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, | |
| 45 policy_->GetAdditionalLoadFlags(0, true)); | |
| 46 net::HttpResponseInfo response_info; | |
| 47 policy_->UpdateStateForSuccessfullyStartedRequest(response_info); | |
| 48 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, | |
| 49 policy_->GetAdditionalLoadFlags(0, false)); | |
| 50 } | |
| 51 | |
| 52 // Completion with a failed network probe changes result value. | |
| 53 TEST_F(OfflinePolicyTest, CompletedNoNetwork) { | |
| 54 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, | |
| 55 policy_->GetAdditionalLoadFlags(0, true)); | |
| 56 net::HttpResponseInfo response_info; | |
| 57 response_info.server_data_unavailable = true; | |
| 58 policy_->UpdateStateForSuccessfullyStartedRequest(response_info); | |
| 59 EXPECT_EQ(net::LOAD_ONLY_FROM_CACHE, | |
| 60 policy_->GetAdditionalLoadFlags(0, false)); | |
| 61 } | |
| 62 | |
| 63 // Completion with a successful network probe changes result value. | |
| 64 TEST_F(OfflinePolicyTest, CompletedNetwork) { | |
| 65 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, | |
| 66 policy_->GetAdditionalLoadFlags(0, true)); | |
| 67 net::HttpResponseInfo response_info; | |
| 68 response_info.network_accessed = true; | |
| 69 policy_->UpdateStateForSuccessfullyStartedRequest(response_info); | |
| 70 EXPECT_EQ(0, policy_->GetAdditionalLoadFlags(0, false)); | |
| 71 } | |
| 72 | |
| 73 // A new navigation resets a state change. | |
| 74 TEST_F(OfflinePolicyTest, NewNavigationReset) { | |
| 75 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, | |
| 76 policy_->GetAdditionalLoadFlags(0, true)); | |
| 77 net::HttpResponseInfo response_info; | |
| 78 response_info.network_accessed = true; | |
| 79 policy_->UpdateStateForSuccessfullyStartedRequest(response_info); | |
| 80 EXPECT_EQ(0, policy_->GetAdditionalLoadFlags(0, false)); | |
| 81 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, | |
| 82 policy_->GetAdditionalLoadFlags(0, true)); | |
| 83 EXPECT_EQ(net::LOAD_FROM_CACHE_IF_OFFLINE, | |
| 84 policy_->GetAdditionalLoadFlags(0, false)); | |
| 85 } | |
| 86 | |
| 87 // Cache related flags inhibit the returning of any special flags. | |
| 88 TEST_F(OfflinePolicyTest, ConsumerFlagOverride) { | |
| 89 EXPECT_EQ(0, policy_->GetAdditionalLoadFlags(net::LOAD_BYPASS_CACHE, true)); | |
| 90 net::HttpResponseInfo response_info; | |
| 91 response_info.server_data_unavailable = true; | |
| 92 policy_->UpdateStateForSuccessfullyStartedRequest(response_info); | |
| 93 EXPECT_EQ(0, policy_->GetAdditionalLoadFlags(net::LOAD_BYPASS_CACHE, false)); | |
| 94 } | |
| 95 | |
| 96 } | |
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