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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/renderer/api_binding_test_util.h"
#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
#include "base/strings/string_util.h"
#include "base/values.h"
#include "content/public/child/v8_value_converter.h"
#include "gin/converter.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace extensions {
namespace {
// Common call function implementation. Calls the given |function| with the
// specified |receiver| and arguments. If the call succeeds (doesn't throw an
// error), populates |out_value| with the returned result. If the call does
// throw, populates |out_error| with the thrown error.
// Returns true if the function runs without throwing an error.
bool RunFunctionImpl(v8::Local<v8::Function> function,
v8::Local<v8::Context> context,
v8::Local<v8::Value> receiver,
int argc,
v8::Local<v8::Value> argv[],
v8::Local<v8::Value>* out_value,
std::string* out_error) {
v8::TryCatch try_catch(context->GetIsolate());
v8::MaybeLocal<v8::Value> maybe_result =
function->Call(context, receiver, argc, argv);
if (try_catch.HasCaught()) {
*out_error = gin::V8ToString(try_catch.Message()->Get());
return false;
}
v8::Local<v8::Value> result;
if (!maybe_result.ToLocal(&result)) {
*out_error = "Could not convert result to v8::Local.";
return false;
}
*out_value = result;
return true;
}
} // namespace
std::string ReplaceSingleQuotes(base::StringPiece str) {
std::string result;
base::ReplaceChars(str.as_string(), "'", "\"", &result);
return result;
}
std::unique_ptr<base::Value> ValueFromString(base::StringPiece str) {
std::unique_ptr<base::Value> value =
base::JSONReader::Read(ReplaceSingleQuotes(str));
EXPECT_TRUE(value) << str;
return value;
}
std::unique_ptr<base::ListValue> ListValueFromString(base::StringPiece str) {
return base::ListValue::From(ValueFromString(str));
}
std::unique_ptr<base::DictionaryValue> DictionaryValueFromString(
base::StringPiece str) {
return base::DictionaryValue::From(ValueFromString(str));
}
std::string ValueToString(const base::Value& value) {
std::string json;
EXPECT_TRUE(base::JSONWriter::Write(value, &json));
return json;
}
v8::Local<v8::Value> V8ValueFromScriptSource(v8::Local<v8::Context> context,
base::StringPiece source) {
v8::MaybeLocal<v8::Script> maybe_script = v8::Script::Compile(
context, gin::StringToV8(context->GetIsolate(), source));
v8::Local<v8::Script> script;
if (!maybe_script.ToLocal(&script))
return v8::Local<v8::Value>();
return script->Run();
}
v8::Local<v8::Function> FunctionFromString(v8::Local<v8::Context> context,
base::StringPiece source) {
v8::Local<v8::Value> value = V8ValueFromScriptSource(context, source);
v8::Local<v8::Function> function;
EXPECT_TRUE(gin::ConvertFromV8(context->GetIsolate(), value, &function));
return function;
}
std::unique_ptr<base::Value> V8ToBaseValue(v8::Local<v8::Value> value,
v8::Local<v8::Context> context) {
std::unique_ptr<content::V8ValueConverter> converter(
content::V8ValueConverter::create());
return converter->FromV8Value(value, context);
}
v8::Local<v8::Value> RunFunction(v8::Local<v8::Function> function,
v8::Local<v8::Context> context,
v8::Local<v8::Value> receiver,
int argc,
v8::Local<v8::Value> argv[]) {
std::string error;
v8::Local<v8::Value> result;
EXPECT_TRUE(
RunFunctionImpl(function, context, receiver, argc, argv, &result, &error))
<< error;
EXPECT_FALSE(result.IsEmpty());
return result;
}
v8::Local<v8::Value> RunFunction(v8::Local<v8::Function> function,
v8::Local<v8::Context> context,
int argc,
v8::Local<v8::Value> argv[]) {
return RunFunction(function, context, v8::Undefined(context->GetIsolate()),
argc, argv);
}
v8::Local<v8::Value> RunFunctionOnGlobal(v8::Local<v8::Function> function,
v8::Local<v8::Context> context,
int argc,
v8::Local<v8::Value> argv[]) {
return RunFunction(function, context, context->Global(), argc, argv);
}
void RunFunctionOnGlobalAndIgnoreResult(v8::Local<v8::Function> function,
v8::Local<v8::Context> context,
int argc,
v8::Local<v8::Value> argv[]) {
RunFunction(function, context, context->Global(), argc, argv);
}
v8::Global<v8::Value> RunFunctionOnGlobalAndReturnHandle(
v8::Local<v8::Function> function,
v8::Local<v8::Context> context,
int argc,
v8::Local<v8::Value> argv[]) {
return v8::Global<v8::Value>(
context->GetIsolate(),
RunFunction(function, context, context->Global(), argc, argv));
}
void RunFunctionAndExpectError(v8::Local<v8::Function> function,
v8::Local<v8::Context> context,
v8::Local<v8::Value> receiver,
int argc,
v8::Local<v8::Value> argv[],
const std::string& expected_error) {
std::string error;
v8::Local<v8::Value> result;
EXPECT_FALSE(RunFunctionImpl(function, context, receiver, argc, argv, &result,
&error));
EXPECT_TRUE(result.IsEmpty());
EXPECT_EQ(expected_error, error);
}
void RunFunctionAndExpectError(v8::Local<v8::Function> function,
v8::Local<v8::Context> context,
int argc,
v8::Local<v8::Value> argv[],
const std::string& expected_error) {
RunFunctionAndExpectError(function, context,
v8::Undefined(context->GetIsolate()), argc, argv,
expected_error);
}
v8::Local<v8::Value> GetPropertyFromObject(v8::Local<v8::Object> object,
v8::Local<v8::Context> context,
base::StringPiece key) {
v8::Local<v8::Value> result;
EXPECT_TRUE(object->Get(context, gin::StringToV8(context->GetIsolate(), key))
.ToLocal(&result));
return result;
}
std::unique_ptr<base::Value> GetBaseValuePropertyFromObject(
v8::Local<v8::Object> object,
v8::Local<v8::Context> context,
base::StringPiece key) {
return V8ToBaseValue(GetPropertyFromObject(object, context, key), context);
}
std::string GetStringPropertyFromObject(v8::Local<v8::Object> object,
v8::Local<v8::Context> context,
base::StringPiece key) {
v8::Local<v8::Value> v8_val = GetPropertyFromObject(object, context, key);
if (v8_val.IsEmpty())
return "empty";
if (v8_val->IsNull())
return "null";
if (v8_val->IsUndefined())
return "undefined";
if (v8_val->IsFunction())
return "function";
std::unique_ptr<base::Value> json_prop = V8ToBaseValue(v8_val, context);
DCHECK(json_prop) << key;
return ValueToString(*json_prop);
}
} // namespace extensions
|
