1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
content / public / test / resource_load_observer.cc [blame]
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/public/test/resource_load_observer.h"
#include <string>
#include <vector>
#include "base/path_service.h"
#include "base/run_loop.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/common/content_paths.h"
#include "content/shell/browser/shell.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace content {
ResourceLoadObserver::ResourceLoadEntry::ResourceLoadEntry(
blink::mojom::ResourceLoadInfoPtr resource_load_info,
bool resource_is_associated_with_main_frame)
: resource_load_info(std::move(resource_load_info)),
resource_is_associated_with_main_frame(
resource_is_associated_with_main_frame) {}
ResourceLoadObserver::ResourceLoadEntry::~ResourceLoadEntry() = default;
ResourceLoadObserver::ResourceLoadEntry::ResourceLoadEntry(
ResourceLoadObserver::ResourceLoadEntry&&) = default;
ResourceLoadObserver::ResourceLoadEntry&
ResourceLoadObserver::ResourceLoadEntry::operator=(
ResourceLoadObserver::ResourceLoadEntry&&) = default;
ResourceLoadObserver::ResourceLoadObserver(Shell* shell)
: WebContentsObserver(shell->web_contents()) {}
ResourceLoadObserver::ResourceLoadObserver(WebContents* web_contents)
: WebContentsObserver(web_contents) {}
ResourceLoadObserver::~ResourceLoadObserver() = default;
// Use this method with the SCOPED_TRACE macro, so it shows the caller context
// if it fails.
void ResourceLoadObserver::CheckResourceLoaded(
const GURL& original_url,
const GURL& referrer,
const std::string& load_method,
network::mojom::RequestDestination request_destination,
const base::FilePath::StringPieceType& served_file_name,
const std::string& mime_type,
const std::string& ip_address,
bool was_cached,
bool first_network_request,
const base::TimeTicks& before_request,
const base::TimeTicks& after_request) {
bool resource_load_info_found = false;
for (const auto& resource_load_entry : resource_load_entries_) {
const auto& resource_load_info = resource_load_entry.resource_load_info;
if (resource_load_info->original_url != original_url) {
continue;
}
resource_load_info_found = true;
int64_t file_size = -1;
if (!served_file_name.empty()) {
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath test_dir;
ASSERT_TRUE(base::PathService::Get(content::DIR_TEST_DATA, &test_dir));
base::FilePath served_file = test_dir.Append(served_file_name);
ASSERT_TRUE(GetFileSize(served_file, &file_size));
}
EXPECT_EQ(referrer, resource_load_info->referrer);
EXPECT_EQ(load_method, resource_load_info->method);
EXPECT_EQ(request_destination, resource_load_info->request_destination);
if (!first_network_request) {
EXPECT_GT(resource_load_info->request_id, 0);
}
EXPECT_EQ(mime_type, resource_load_info->mime_type);
ASSERT_TRUE(resource_load_info->network_info->remote_endpoint);
EXPECT_EQ(ip_address, resource_load_info->network_info->remote_endpoint
->ToStringWithoutPort());
EXPECT_EQ(was_cached, resource_load_info->was_cached);
// Simple sanity check of the load timing info.
auto CheckTime = [before_request, after_request](auto actual) {
EXPECT_LE(before_request, actual);
EXPECT_GT(after_request, actual);
};
const net::LoadTimingInfo& timing = resource_load_info->load_timing_info;
CheckTime(timing.request_start);
CheckTime(timing.receive_headers_end);
CheckTime(timing.send_start);
CheckTime(timing.send_end);
if (!was_cached) {
CheckTime(timing.connect_timing.domain_lookup_start);
CheckTime(timing.connect_timing.domain_lookup_end);
CheckTime(timing.connect_timing.connect_start);
CheckTime(timing.connect_timing.connect_end);
}
if (file_size != -1) {
EXPECT_EQ(file_size, resource_load_info->raw_body_bytes);
EXPECT_LT(file_size, resource_load_info->total_received_bytes);
}
}
EXPECT_TRUE(resource_load_info_found);
}
// Returns the resource with the given url if found, otherwise nullptr.
blink::mojom::ResourceLoadInfoPtr* ResourceLoadObserver::GetResource(
const GURL& original_url) {
for (auto& entry : resource_load_entries_) {
if (entry.resource_load_info->original_url == original_url) {
return &entry.resource_load_info;
}
}
return nullptr;
}
void ResourceLoadObserver::Reset() {
resource_load_entries_.clear();
memory_cached_loaded_urls_.clear();
}
void ResourceLoadObserver::WaitForResourceCompletion(const GURL& original_url) {
// If we've already seen the resource, return immediately.
for (const auto& entry : resource_load_entries_) {
if (entry.resource_load_info->original_url == original_url) {
return;
}
}
// Otherwise wait for it.
base::RunLoop loop;
waiting_original_url_ = original_url;
waiting_callback_ = loop.QuitClosure();
loop.Run();
}
// WebContentsObserver implementation:
void ResourceLoadObserver::ResourceLoadComplete(
content::RenderFrameHost* render_frame_host,
const GlobalRequestID& request_id,
const blink::mojom::ResourceLoadInfo& resource_load_info) {
EXPECT_NE(nullptr, render_frame_host);
resource_load_entries_.emplace_back(ResourceLoadEntry(
resource_load_info.Clone(), render_frame_host->IsInPrimaryMainFrame()));
// Sorts entries with request start time since the resource loading time is
// not deterministic.
std::sort(resource_load_entries_.begin(), resource_load_entries_.end(),
[](auto& a, auto& b) {
return a.resource_load_info->load_timing_info.request_start <
b.resource_load_info->load_timing_info.request_start;
});
// Have we been waiting for this resource? If so, run the callback.
if (waiting_original_url_.is_valid() &&
resource_load_info.original_url == waiting_original_url_) {
waiting_original_url_ = GURL();
std::move(waiting_callback_).Run();
}
}
void ResourceLoadObserver::DidLoadResourceFromMemoryCache(
content::RenderFrameHost* render_frame_host,
const GURL& url,
const std::string& mime_type,
network::mojom::RequestDestination request_destination) {
memory_cached_loaded_urls_.push_back(url);
}
} // namespace content