net/base/net_log_util_unittest.cc

   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 "net/base/net_log_util.h"
   6
   7 #include <set>
   8
   9 #include "base/files/file_path.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/values.h"
  12 #include "net/base/capturing_net_log_observer.h"
  13 #include "net/base/net_errors.h"
  14 #include "net/base/test_completion_callback.h"
  15 #include "net/http/http_cache.h"
  16 #include "net/http/http_transaction.h"
  17 #include "net/test/spawned_test_server/spawned_test_server.h"
  18 #include "net/url_request/url_request_test_util.h"
  19 #include "testing/gtest/include/gtest/gtest.h"
  20
  21 namespace net {
  22
  23 namespace {
  24
  25 // Make sure GetNetConstants doesn't crash.
  26 TEST(NetLogUtil, GetNetConstants) {
  27   scoped_ptr<base::Value> constants(GetNetConstants());
  28 }
  29
  30 // Make sure GetNetInfo doesn't crash when called on contexts with and without
  31 // caches, and they have the same number of elements.
  32 TEST(NetLogUtil, GetNetInfo) {
  33   TestURLRequestContext context;
  34   net::HttpCache* http_cache = context.http_transaction_factory()->GetCache();
  35
  36   // Get NetInfo when there's no cache backend (It's only created on first use).
  37   EXPECT_FALSE(http_cache->GetCurrentBackend());
  38   scoped_ptr<base::DictionaryValue> net_info_without_cache(
  39       GetNetInfo(&context, NET_INFO_ALL_SOURCES));
  40   EXPECT_FALSE(http_cache->GetCurrentBackend());
  41   EXPECT_GT(net_info_without_cache->size(), 0u);
  42
  43   // Fore creation of a cache backend, and get NetInfo again.
  44   disk_cache::Backend* backend = NULL;
  45   EXPECT_EQ(
  46       OK,
  47       context.http_transaction_factory()->GetCache()->GetBackend(
  48           &backend, TestCompletionCallback().callback()));
  49   EXPECT_TRUE(http_cache->GetCurrentBackend());
  50   scoped_ptr<base::DictionaryValue> net_info_with_cache(
  51       GetNetInfo(&context, NET_INFO_ALL_SOURCES));
  52   EXPECT_GT(net_info_with_cache->size(), 0u);
  53
  54   EXPECT_EQ(net_info_without_cache->size(), net_info_with_cache->size());
  55 }
  56
  57 // Make sure CreateNetLogEntriesForActiveObjects works for requests from a
  58 // single URLRequestContext.
  59 TEST(NetLogUtil, CreateNetLogEntriesForActiveObjectsOneContext) {
  60   // Using same context for each iteration makes sure deleted requests don't
  61   // appear in the list, or result in crashes.
  62   TestURLRequestContext context(true);
  63   NetLog net_log;
  64   context.set_net_log(&net_log);
  65   context.Init();
  66   TestDelegate delegate;
  67   for (size_t num_requests = 0; num_requests < 5; ++num_requests) {
  68     ScopedVector<URLRequest> requests;
  69     for (size_t i = 0; i < num_requests; ++i) {
  70       requests.push_back(context.CreateRequest(
  71           GURL("about:life"), DEFAULT_PRIORITY, &delegate, nullptr).release());
  72     }
  73     std::set<URLRequestContext*> contexts;
  74     contexts.insert(&context);
  75     CapturingNetLogObserver capturing_observer;
  76     CreateNetLogEntriesForActiveObjects(contexts, &capturing_observer);
  77     CapturedNetLogEntry::List entry_list;
  78     capturing_observer.GetEntries(&entry_list);
  79     ASSERT_EQ(num_requests, entry_list.size());
  80
  81     for (size_t i = 0; i < num_requests; ++i) {
  82       EXPECT_EQ(entry_list[i].source.id, requests[i]->net_log().source().id);
  83     }
  84   }
  85 }
  86
  87 // Make sure CreateNetLogEntriesForActiveObjects works with multiple
  88 // URLRequestContexts.
  89 TEST(NetLogUtil, CreateNetLogEntriesForActiveObjectsMultipleContexts) {
  90   TestDelegate delegate;
  91   for (size_t num_requests = 0; num_requests < 5; ++num_requests) {
  92     ScopedVector<TestURLRequestContext> contexts;
  93     ScopedVector<URLRequest> requests;
  94     NetLog net_log;
  95     std::set<URLRequestContext*> context_set;
  96     for (size_t i = 0; i < num_requests; ++i) {
  97       contexts.push_back(new TestURLRequestContext(true));
  98       contexts[i]->set_net_log(&net_log);
  99       contexts[i]->Init();
 100       context_set.insert(contexts[i]);
 101       requests.push_back(contexts[i]->CreateRequest(
 102           GURL("about:hats"), DEFAULT_PRIORITY, &delegate, nullptr).release());
 103     }
 104     CapturingNetLogObserver capturing_observer;
 105     CreateNetLogEntriesForActiveObjects(context_set, &capturing_observer);
 106     CapturedNetLogEntry::List entry_list;
 107     capturing_observer.GetEntries(&entry_list);
 108     ASSERT_EQ(num_requests, entry_list.size());
 109
 110     for (size_t i = 0; i < num_requests; ++i) {
 111       EXPECT_EQ(entry_list[i].source.id, requests[i]->net_log().source().id);
 112     }
 113   }
 114 }
 115
 116 }  // namespace
 117
 118 }  // namespace net