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
|
#include "../fixtures/util.hpp"
#include "mock_file_source.hpp"
#include <mbgl/storage/request.hpp>
#include <mbgl/util/io.hpp>
#include <mbgl/util/thread.hpp>
#include <algorithm>
namespace {
const uint64_t timeout = 1000000;
}
namespace mbgl {
class MockFileSource::Impl {
public:
Impl(Type type, const std::string& match)
: type_(type), match_(match), timer_(util::RunLoop::getLoop()) {
timer_.start(timeout, timeout, [this] { dispatchPendingRequests(); });
timer_.unref();
}
~Impl() {
timer_.stop();
}
void setOnRequestDelayedCallback(std::function<void(void)> callback) {
requestEnqueuedCallback_ = callback;
}
void handleRequest(Request* req);
void cancelRequest(Request* req);
private:
void replyWithSuccess(Request* req) const;
void replyWithSuccessWithDelay(Request* req);
void replyWithFailure(Request* req) const;
void replyWithCorruptedData(Request* req) const;
void dispatchPendingRequests();
Type type_;
std::string match_;
std::vector<Request*> pendingRequests_;
uv::timer timer_;
std::function<void(void)> requestEnqueuedCallback_;
};
void MockFileSource::Impl::replyWithSuccess(Request* req) const {
std::shared_ptr<Response> res = std::make_shared<Response>();
try {
res->data = std::make_shared<const std::string>(std::move(util::read_file(req->resource.url)));
} catch (const std::exception& err) {
res->error = std::make_unique<Response::Error>(Response::Error::Reason::Other, err.what());
}
req->notify(res);
}
void MockFileSource::Impl::replyWithSuccessWithDelay(Request* req) {
if (req->resource.url.find(match_) == std::string::npos) {
replyWithSuccess(req);
return;
}
pendingRequests_.push_back(req);
requestEnqueuedCallback_();
}
void MockFileSource::Impl::replyWithFailure(Request* req) const {
if (req->resource.url.find(match_) == std::string::npos) {
replyWithSuccess(req);
return;
}
std::shared_ptr<Response> res = std::make_shared<Response>();
res->error = std::make_unique<Response::Error>(Response::Error::Reason::Other, "Failed by the test case");
req->notify(res);
}
void MockFileSource::Impl::replyWithCorruptedData(Request* req) const {
if (req->resource.url.find(match_) == std::string::npos) {
replyWithSuccess(req);
return;
}
std::shared_ptr<Response> res = std::make_shared<Response>();
auto data = std::make_shared<std::string>(std::move(util::read_file(req->resource.url)));
data->insert(0, "CORRUPTED");
res->data = std::move(data);
req->notify(res);
}
void MockFileSource::Impl::handleRequest(Request* req) {
switch (type_) {
case Type::Success:
replyWithSuccess(req);
break;
case Type::SuccessWithDelay:
replyWithSuccessWithDelay(req);
break;
case Type::RequestFail:
replyWithFailure(req);
break;
case Type::RequestWithCorruptedData:
replyWithCorruptedData(req);
break;
default:
EXPECT_TRUE(false) << "Should never be reached.";
}
}
void MockFileSource::Impl::cancelRequest(Request* req) {
auto it = std::find(pendingRequests_.begin(), pendingRequests_.end(), req);
if (it != pendingRequests_.end()) {
pendingRequests_.erase(it);
} else {
// There is no request for this URL anymore. Likely, the request already completed
// before we got around to process the cancelation request.
}
req->destruct();
}
void MockFileSource::Impl::dispatchPendingRequests() {
for (auto req : pendingRequests_) {
replyWithSuccess(req);
}
pendingRequests_.clear();
}
MockFileSource::MockFileSource(Type type, const std::string& match)
: thread_(std::make_unique<util::Thread<Impl>>(util::ThreadContext{"FileSource", util::ThreadType::Unknown, util::ThreadPriority::Low}, type, match)) {
}
void MockFileSource::setOnRequestDelayedCallback(std::function<void(void)> callback) {
thread_->invokeSync(&Impl::setOnRequestDelayedCallback, callback);
}
Request* MockFileSource::request(const Resource& resource, uv_loop_t* loop, Callback callback) {
Request* req = new Request(resource, loop, std::move(callback));
thread_->invoke(&Impl::handleRequest, req);
return req;
}
void MockFileSource::cancel(Request* req) {
req->cancel();
thread_->invoke(&Impl::cancelRequest, req);
}
}
|
