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      1 // Copyright 2014 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 "base/memory/ref_counted.h"
      6 #include "base/memory/scoped_ptr.h"
      7 #include "base/values.h"
      8 #include "content/public/browser/notification_service.h"
      9 #include "content/public/test/test_utils.h"
     10 #include "extensions/browser/api/dns/dns_api.h"
     11 #include "extensions/browser/api/dns/host_resolver_wrapper.h"
     12 #include "extensions/browser/api/dns/mock_host_resolver_creator.h"
     13 #include "extensions/browser/api_test_utils.h"
     14 #include "extensions/browser/notification_types.h"
     15 #include "extensions/common/extension.h"
     16 #include "extensions/common/test_util.h"
     17 #include "extensions/shell/test/shell_apitest.h"
     18 #include "net/base/net_errors.h"
     19 
     20 using extensions::api_test_utils::RunFunctionAndReturnSingleResult;
     21 
     22 namespace extensions {
     23 
     24 class DnsApiTest : public ShellApiTest {
     25  public:
     26   DnsApiTest() : resolver_creator_(new MockHostResolverCreator()) {}
     27 
     28  private:
     29   virtual void SetUpOnMainThread() OVERRIDE {
     30     ShellApiTest::SetUpOnMainThread();
     31     HostResolverWrapper::GetInstance()->SetHostResolverForTesting(
     32         resolver_creator_->CreateMockHostResolver());
     33   }
     34 
     35   virtual void TearDownOnMainThread() OVERRIDE {
     36     HostResolverWrapper::GetInstance()->SetHostResolverForTesting(NULL);
     37     resolver_creator_->DeleteMockHostResolver();
     38     ShellApiTest::TearDownOnMainThread();
     39   }
     40 
     41   // The MockHostResolver asserts that it's used on the same thread on which
     42   // it's created, which is actually a stronger rule than its real counterpart.
     43   // But that's fine; it's good practice.
     44   scoped_refptr<MockHostResolverCreator> resolver_creator_;
     45 };
     46 
     47 IN_PROC_BROWSER_TEST_F(DnsApiTest, DnsResolveIPLiteral) {
     48   scoped_refptr<DnsResolveFunction> resolve_function(new DnsResolveFunction());
     49   scoped_refptr<Extension> empty_extension = test_util::CreateEmptyExtension();
     50 
     51   resolve_function->set_extension(empty_extension.get());
     52   resolve_function->set_has_callback(true);
     53 
     54   scoped_ptr<base::Value> result(RunFunctionAndReturnSingleResult(
     55       resolve_function.get(), "[\"127.0.0.1\"]", browser_context()));
     56   base::DictionaryValue* dict = NULL;
     57   ASSERT_TRUE(result->GetAsDictionary(&dict));
     58 
     59   int result_code = 0;
     60   EXPECT_TRUE(dict->GetInteger("resultCode", &result_code));
     61   EXPECT_EQ(net::OK, result_code);
     62 
     63   std::string address;
     64   EXPECT_TRUE(dict->GetString("address", &address));
     65   EXPECT_EQ("127.0.0.1", address);
     66 }
     67 
     68 IN_PROC_BROWSER_TEST_F(DnsApiTest, DnsResolveHostname) {
     69   scoped_refptr<DnsResolveFunction> resolve_function(new DnsResolveFunction());
     70   scoped_refptr<Extension> empty_extension = test_util::CreateEmptyExtension();
     71 
     72   resolve_function->set_extension(empty_extension.get());
     73   resolve_function->set_has_callback(true);
     74 
     75   std::string function_arguments("[\"");
     76   function_arguments += MockHostResolverCreator::kHostname;
     77   function_arguments += "\"]";
     78   scoped_ptr<base::Value> result(RunFunctionAndReturnSingleResult(
     79       resolve_function.get(), function_arguments, browser_context()));
     80   base::DictionaryValue* dict = NULL;
     81   ASSERT_TRUE(result->GetAsDictionary(&dict));
     82 
     83   int result_code = 0;
     84   EXPECT_TRUE(dict->GetInteger("resultCode", &result_code));
     85   EXPECT_EQ(net::OK, result_code);
     86 
     87   std::string address;
     88   EXPECT_TRUE(dict->GetString("address", &address));
     89   EXPECT_EQ(MockHostResolverCreator::kAddress, address);
     90 }
     91 
     92 IN_PROC_BROWSER_TEST_F(DnsApiTest, DnsExtension) {
     93   ASSERT_TRUE(RunAppTest("api_test/dns/api")) << message_;
     94 }
     95 
     96 }  // namespace extensions
     97