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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/renderer/bindings/api_binding_test_util.h"
#include <string_view>
#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/renderer/v8_value_converter.h"
#include "gin/converter.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(context->GetIsolate(), 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(std::string_view str) {
std::string result;
base::ReplaceChars(str, "'", "\"", &result);
return result;
}
base::Value ValueFromString(std::string_view str) {
std::optional<base::Value> value =
base::JSONReader::Read(ReplaceSingleQuotes(str));
if (!value) {
ADD_FAILURE() << "Failed to parse " << str;
return base::Value();
}
return std::move(value.value());
}
base::Value::List ListValueFromString(std::string_view str) {
base::Value value = ValueFromString(str);
if (value.is_none()) {
return base::Value::List();
}
if (!value.is_list()) {
ADD_FAILURE() << "Not a list: " << str;
return base::Value::List();
}
return std::move(value).TakeList();
}
base::Value::Dict DictValueFromString(std::string_view str) {
base::Value value = ValueFromString(str);
if (value.is_none()) {
return base::Value::Dict();
}
if (!value.is_dict()) {
ADD_FAILURE() << "Not a dict: " << str;
return base::Value::Dict();
}
return std::move(value).TakeDict();
}
std::string ValueToString(const base::ValueView& value_view) {
std::string json;
EXPECT_TRUE(base::JSONWriter::Write(value_view, &json));
return json;
}
std::string V8ToString(v8::Local<v8::Value> value,
v8::Local<v8::Context> context) {
if (value.IsEmpty())
return "empty";
if (value->IsNull())
return "null";
if (value->IsUndefined())
return "undefined";
if (value->IsFunction())
return "function";
std::unique_ptr<base::Value> json = V8ToBaseValue(value, context);
if (!json)
return "unserializable";
return ValueToString(*json);
}
v8::Local<v8::Value> V8ValueFromScriptSource(v8::Local<v8::Context> context,
std::string_view 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(context).ToLocalChecked();
}
v8::Local<v8::Function> FunctionFromString(v8::Local<v8::Context> context,
std::string_view 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) {
return content::V8ValueConverter::Create()->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,
std::string_view 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,
std::string_view key) {
return V8ToBaseValue(GetPropertyFromObject(object, context, key), context);
}
std::string GetStringPropertyFromObject(v8::Local<v8::Object> object,
v8::Local<v8::Context> context,
std::string_view key) {
return V8ToString(GetPropertyFromObject(object, context, key), context);
}
bool ValueTypeChecker<v8::Function>::IsType(v8::Local<v8::Value> value) {
return value->IsFunction();
}
bool ValueTypeChecker<v8::Object>::IsType(v8::Local<v8::Value> value) {
return value->IsObject();
}
bool ValueTypeChecker<v8::Promise>::IsType(v8::Local<v8::Value> value) {
return value->IsPromise();
}
bool ValueTypeChecker<v8::Array>::IsType(v8::Local<v8::Value> value) {
return value->IsArray();
}
} // namespace extensions
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