src/chrome/browser/extensions/api/dns/mock_host_resolver_creator.cc

   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/extensions/api/dns/mock_host_resolver_creator.h"
   6
   7 #include "chrome/test/base/in_process_browser_test.h"
   8 #include "content/public/browser/browser_thread.h"
   9 #include "net/dns/mock_host_resolver.h"
  10
  11 using content::BrowserThread;
  12
  13 namespace extensions {
  14
  15 const std::string MockHostResolverCreator::kHostname = "www.sowbug.com";
  16 const std::string MockHostResolverCreator::kAddress = "9.8.7.6";
  17
  18 MockHostResolverCreator::MockHostResolverCreator()
  19   : resolver_event_(true, false),
  20     mock_host_resolver_(NULL) {
  21 }
  22
  23 MockHostResolverCreator::~MockHostResolverCreator() {
  24 }
  25
  26 net::MockHostResolver* MockHostResolverCreator::CreateMockHostResolver() {
  27   DCHECK(!mock_host_resolver_);
  28   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  29
  30   bool result = BrowserThread::PostTask(
  31       BrowserThread::IO, FROM_HERE,
  32       base::Bind(&MockHostResolverCreator::CreateMockHostResolverOnIOThread,
  33                  this));
  34   DCHECK(result);
  35
  36   base::TimeDelta max_time = base::TimeDelta::FromSeconds(5);
  37   resolver_event_.TimedWait(max_time);
  38
  39   return mock_host_resolver_;
  40 }
  41
  42 void MockHostResolverCreator::CreateMockHostResolverOnIOThread() {
  43   mock_host_resolver_ = new net::MockHostResolver();
  44   mock_host_resolver_->rules()->AddRule(kHostname, kAddress);
  45   mock_host_resolver_->rules()->AddSimulatedFailure("this.hostname.is.bogus");
  46   resolver_event_.Signal();
  47 }
  48
  49 void MockHostResolverCreator::DeleteMockHostResolver() {
  50   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  51   if (!mock_host_resolver_)
  52     return;
  53   resolver_event_.Reset();
  54   bool result = BrowserThread::PostTask(
  55       BrowserThread::IO, FROM_HERE,
  56       base::Bind(&MockHostResolverCreator::DeleteMockHostResolverOnIOThread,
  57                  this));
  58   DCHECK(result);
  59
  60   base::TimeDelta max_time = base::TimeDelta::FromSeconds(5);
  61   ASSERT_TRUE(resolver_event_.TimedWait(max_time));
  62 }
  63
  64 void MockHostResolverCreator::DeleteMockHostResolverOnIOThread() {
  65   delete(mock_host_resolver_);
  66   mock_host_resolver_ = NULL;
  67   resolver_event_.Signal();
  68 }
  69
  70 }  // namespace extensions