net/log/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/log/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/net_errors.h"
  13 #include "net/base/test_completion_callback.h"
  14 #include "net/http/http_cache.h"
  15 #include "net/http/http_transaction.h"
  16 #include "net/log/capturing_net_log_observer.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(OK, context.http_transaction_factory()->GetCache()->GetBackend(
  46                     &backend, TestCompletionCallback().callback()));
  47   EXPECT_TRUE(http_cache->GetCurrentBackend());
  48   scoped_ptr<base::DictionaryValue> net_info_with_cache(
  49       GetNetInfo(&context, NET_INFO_ALL_SOURCES));
  50   EXPECT_GT(net_info_with_cache->size(), 0u);
  51
  52   EXPECT_EQ(net_info_without_cache->size(), net_info_with_cache->size());
  53 }
  54
  55 // Make sure CreateNetLogEntriesForActiveObjects works for requests from a
  56 // single URLRequestContext.
  57 TEST(NetLogUtil, CreateNetLogEntriesForActiveObjectsOneContext) {
  58   // Using same context for each iteration makes sure deleted requests don't
  59   // appear in the list, or result in crashes.
  60   TestURLRequestContext context(true);
  61   NetLog net_log;
  62   context.set_net_log(&net_log);
  63   context.Init();
  64   TestDelegate delegate;
  65   for (size_t num_requests = 0; num_requests < 5; ++num_requests) {
  66     ScopedVector<URLRequest> requests;
  67     for (size_t i = 0; i < num_requests; ++i) {
  68       requests.push_back(context.CreateRequest(GURL("about:life"),
  69                                                DEFAULT_PRIORITY,
  70                                                &delegate).release());
  71     }
  72     std::set<URLRequestContext*> contexts;
  73     contexts.insert(&context);
  74     CapturingNetLogObserver capturing_observer;
  75     CreateNetLogEntriesForActiveObjects(contexts, &capturing_observer);
  76     CapturedNetLogEntry::List entry_list;
  77     capturing_observer.GetEntries(&entry_list);
  78     ASSERT_EQ(num_requests, entry_list.size());
  79
  80     for (size_t i = 0; i < num_requests; ++i) {
  81       EXPECT_EQ(entry_list[i].source.id, requests[i]->net_log().source().id);
  82     }
  83   }
  84 }
  85
  86 // Make sure CreateNetLogEntriesForActiveObjects works with multiple
  87 // URLRequestContexts.
  88 TEST(NetLogUtil, CreateNetLogEntriesForActiveObjectsMultipleContexts) {
  89   TestDelegate delegate;
  90   for (size_t num_requests = 0; num_requests < 5; ++num_requests) {
  91     NetLog net_log;
  92     ScopedVector<TestURLRequestContext> contexts;
  93     ScopedVector<URLRequest> requests;
  94     std::set<URLRequestContext*> context_set;
  95     for (size_t i = 0; i < num_requests; ++i) {
  96       contexts.push_back(new TestURLRequestContext(true));
  97       contexts[i]->set_net_log(&net_log);
  98       contexts[i]->Init();
  99       context_set.insert(contexts[i]);
 100       requests.push_back(
 101           contexts[i]
 102               ->CreateRequest(GURL("about:hats"), DEFAULT_PRIORITY, &delegate)
 103               .release());
 104     }
 105     CapturingNetLogObserver capturing_observer;
 106     CreateNetLogEntriesForActiveObjects(context_set, &capturing_observer);
 107     CapturedNetLogEntry::List entry_list;
 108     capturing_observer.GetEntries(&entry_list);
 109     ASSERT_EQ(num_requests, entry_list.size());
 110
 111     for (size_t i = 0; i < num_requests; ++i) {
 112       EXPECT_EQ(entry_list[i].source.id, requests[i]->net_log().source().id);
 113     }
 114   }
 115 }
 116
 117 }  // namespace
 118
 119 }  // namespace net