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// Copyright 2014 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 "base/bind.h"
#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
#include "base/memory/scoped_ptr.h"
#include "base/values.h"
#include "chrome/browser/safe_json_parser.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "content/public/test/test_browser_thread_bundle.h"
#include "content/public/test/test_utils.h"
namespace {
std::string MaybeToJson(const base::Value* value) {
if (!value)
return "(null)";
std::string json;
if (!base::JSONWriter::Write(*value, &json))
return "(invalid value)";
return json;
}
} // namespace
class SafeJsonParserTest : public InProcessBrowserTest {
protected:
void TestParse(const std::string& json) {
SCOPED_TRACE(json);
DCHECK(!message_loop_runner_);
message_loop_runner_ = new content::MessageLoopRunner;
std::string error;
scoped_ptr<base::Value> value = base::JSONReader::ReadAndReturnError(
json, base::JSON_PARSE_RFC, nullptr, &error);
SafeJsonParser::SuccessCallback success_callback;
SafeJsonParser::ErrorCallback error_callback;
if (value) {
success_callback =
base::Bind(&SafeJsonParserTest::ExpectValue, base::Unretained(this),
base::Passed(&value));
error_callback = base::Bind(&SafeJsonParserTest::FailWithError,
base::Unretained(this));
} else {
success_callback = base::Bind(&SafeJsonParserTest::FailWithValue,
base::Unretained(this));
error_callback = base::Bind(&SafeJsonParserTest::ExpectError,
base::Unretained(this), error);
}
scoped_refptr<SafeJsonParser> parser =
new SafeJsonParser(json, success_callback, error_callback);
parser->Start();
message_loop_runner_->Run();
message_loop_runner_ = nullptr;
}
private:
void ExpectValue(scoped_ptr<base::Value> expected_value,
scoped_ptr<base::Value> actual_value) {
EXPECT_TRUE(base::Value::Equals(actual_value.get(), expected_value.get()))
<< "Expected: " << MaybeToJson(expected_value.get())
<< " Actual: " << MaybeToJson(actual_value.get());
message_loop_runner_->Quit();
}
void ExpectError(const std::string& expected_error,
const std::string& actual_error) {
EXPECT_EQ(expected_error, actual_error);
message_loop_runner_->Quit();
}
void FailWithValue(scoped_ptr<base::Value> value) {
ADD_FAILURE() << MaybeToJson(value.get());
message_loop_runner_->Quit();
}
void FailWithError(const std::string& error) {
ADD_FAILURE() << error;
message_loop_runner_->Quit();
}
scoped_refptr<content::MessageLoopRunner> message_loop_runner_;
};
IN_PROC_BROWSER_TEST_F(SafeJsonParserTest, Parse) {
TestParse("{}");
TestParse("choke");
TestParse("{\"awesome\": true}");
TestParse("\"laser\"");
TestParse("false");
TestParse("null");
TestParse("3.14");
TestParse("[");
TestParse("\"");
TestParse(std::string());
TestParse("☃");
TestParse("\"☃\"");
}
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