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| 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 "chrome/browser/net/dns_probe_job.h" | |
| 6 | |
| 7 #include "base/basictypes.h" | |
| 8 #include "base/message_loop.h" | |
| 9 #include "base/run_loop.h" | |
| 10 #include "net/base/net_log.h" | |
| 11 #include "net/dns/dns_client.h" | |
| 12 #include "net/dns/dns_config_service.h" | |
| 13 #include "net/dns/dns_protocol.h" | |
| 14 #include "net/dns/dns_test_util.h" | |
| 15 #include "testing/gtest/include/gtest/gtest.h" | |
| 16 | |
| 17 using net::DnsClient; | |
| 18 using net::DnsConfig; | |
| 19 using net::IPAddressNumber; | |
| 20 using net::IPEndPoint; | |
| 21 using net::ParseIPLiteralToNumber; | |
| 22 using net::MockDnsClientRule; | |
| 23 using net::MockDnsClientRuleList; | |
| 24 using net::NetLog; | |
| 25 | |
| 26 namespace chrome_browser_net { | |
| 27 | |
| 28 namespace { | |
| 29 | |
| 30 class DnsProbeJobTest : public testing::Test { | |
| 31 public: | |
| 32 void RunProbe(MockDnsClientRule::Result expected_good_result, | |
| 33 MockDnsClientRule::Result expected_bad_result); | |
| 34 | |
| 35 protected: | |
| 36 void OnProbeFinished(DnsProbeJob* job, DnsProbeJob::Result result); | |
| 37 | |
| 38 bool callback_called_; | |
| 39 DnsProbeJob::Result callback_result_; | |
| 40 }; | |
| 41 | |
| 42 // Runs a probe and waits for the callback. |good_result| and |bad_result| | |
| 43 // are the result of the good and bad transactions that the DnsProbeJob will | |
| 44 // receive. | |
| 45 void DnsProbeJobTest::RunProbe(MockDnsClientRule::Result good_result, | |
| 46 MockDnsClientRule::Result bad_result) { | |
| 47 DnsConfig config; | |
| 48 config.nameservers.clear(); | |
| 49 IPAddressNumber dns_ip; | |
| 50 ParseIPLiteralToNumber("192.168.1.1", &dns_ip); | |
| 51 const uint16 kDnsPort = net::dns_protocol::kDefaultPort; | |
| 52 config.nameservers.push_back(IPEndPoint(dns_ip, kDnsPort)); | |
| 53 | |
| 54 const uint16 kTypeA = net::dns_protocol::kTypeA; | |
| 55 MockDnsClientRuleList rules; | |
| 56 rules.push_back(MockDnsClientRule("google.com", kTypeA, good_result)); | |
| 57 rules.push_back(MockDnsClientRule(std::string(), kTypeA, bad_result)); | |
| 58 | |
| 59 scoped_ptr<DnsClient> dns_client = CreateMockDnsClient(config, rules); | |
| 60 dns_client->SetConfig(config); | |
| 61 | |
| 62 NetLog* net_log = NULL; | |
| 63 DnsProbeJob::CallbackType callback = base::Bind( | |
| 64 &DnsProbeJobTest::OnProbeFinished, | |
| 65 base::Unretained(this)); | |
| 66 | |
| 67 // Need to set these before creating job, because it can call the callback | |
| 68 // synchronously in the constructor if both transactions fail to start. | |
| 69 callback_called_ = false; | |
| 70 callback_result_ = DnsProbeJob::SERVERS_UNKNOWN; | |
| 71 | |
| 72 // DnsProbeJob needs somewhere to post the callback. | |
| 73 scoped_ptr<base::MessageLoop> message_loop_(new base::MessageLoopForIO()); | |
| 74 | |
| 75 scoped_ptr<DnsProbeJob> job( | |
| 76 DnsProbeJob::CreateJob(dns_client.Pass(), callback, net_log)); | |
| 77 | |
| 78 // Force callback to run. | |
| 79 base::RunLoop run_loop; | |
| 80 run_loop.RunUntilIdle(); | |
| 81 } | |
| 82 | |
| 83 void DnsProbeJobTest::OnProbeFinished(DnsProbeJob* job, | |
| 84 DnsProbeJob::Result result) { | |
| 85 EXPECT_FALSE(callback_called_); | |
| 86 | |
| 87 callback_called_ = true; | |
| 88 callback_result_ = result; | |
| 89 } | |
| 90 | |
| 91 struct TestCase { | |
| 92 MockDnsClientRule::Result good_result; | |
| 93 MockDnsClientRule::Result bad_result; | |
| 94 DnsProbeJob::Result expected_probe_result; | |
| 95 }; | |
| 96 | |
| 97 TEST_F(DnsProbeJobTest, Test) { | |
| 98 static const TestCase kTestCases[] = { | |
| 99 { MockDnsClientRule::OK, | |
| 100 MockDnsClientRule::EMPTY, | |
| 101 DnsProbeJob::SERVERS_CORRECT }, | |
| 102 { MockDnsClientRule::EMPTY, | |
| 103 MockDnsClientRule::EMPTY, | |
| 104 DnsProbeJob::SERVERS_INCORRECT }, | |
| 105 // TODO(ttuttle): Test that triggers QUERY_DNS_ERROR. | |
| 106 // (Need to add another mock behavior to MockDnsClient.) | |
| 107 { MockDnsClientRule::FAIL_ASYNC, | |
| 108 MockDnsClientRule::FAIL_ASYNC, | |
| 109 DnsProbeJob::SERVERS_FAILING }, | |
| 110 { MockDnsClientRule::FAIL_SYNC, | |
| 111 MockDnsClientRule::FAIL_SYNC, | |
| 112 DnsProbeJob::SERVERS_FAILING }, | |
| 113 { MockDnsClientRule::TIMEOUT, | |
| 114 MockDnsClientRule::TIMEOUT, | |
| 115 DnsProbeJob::SERVERS_UNREACHABLE }, | |
| 116 }; | |
| 117 for (size_t i = 0; i < arraysize(kTestCases); i++) { | |
| 118 const TestCase* test_case = &kTestCases[i]; | |
| 119 RunProbe(test_case->good_result, test_case->bad_result); | |
| 120 EXPECT_TRUE(callback_called_); | |
| 121 EXPECT_EQ(test_case->expected_probe_result, callback_result_); | |
| 122 } | |
| 123 } | |
| 124 | |
| 125 } // namespace | |
| 126 | |
| 127 } // namespace chrome_browser_net | |
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