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// Copyright (C) 2011 The Libphonenumber Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Author: Philippe Liard
#include <string>
#include <gtest/gtest.h>
#include "phonenumbers/base/memory/scoped_ptr.h"
#include "phonenumbers/default_logger.h"
namespace i18n {
namespace phonenumbers {
using std::string;
// String logger implementation used for testing. Messages are output to a
// string for convenience.
class StringLogger : public Logger {
public:
virtual ~StringLogger() {}
const string& message() const {
return msg_;
}
virtual void WriteMessage(const string& msg) {
msg_ += msg;
}
private:
string msg_;
};
class LoggerTest : public ::testing::Test {
protected:
virtual void SetUp() {
test_logger_.reset(new StringLogger());
test_logger_->set_level(LOG_INFO);
// Save the current logger implementation and restore it when the test is
// done to avoid side-effects in other tests (including phonenumberutil
// tests) as the logger implementation is global.
old_logger_ = Logger::mutable_logger_impl();
Logger::set_logger_impl(test_logger_.get());
}
virtual void TearDown() {
// Restore the previous logger implementation to avoid side-effects in other
// tests as mentioned above.
Logger::set_logger_impl(old_logger_);
}
scoped_ptr<StringLogger> test_logger_;
Logger* old_logger_;
};
TEST_F(LoggerTest, LoggerIgnoresHigherVerbosity) {
// The logger verbosity is set to LOG_INFO, therefore LOG_DEBUG messages
// should be ignored.
VLOG(LOG_DEBUG) << "Hello";
EXPECT_EQ("", test_logger_->message());
}
TEST_F(LoggerTest, LoggerOutputsNewline) {
VLOG(LOG_INFO) << "Hello";
EXPECT_EQ("Hello\n", test_logger_->message());
}
TEST_F(LoggerTest, LoggerLogsEqualVerbosity) {
VLOG(LOG_INFO) << "Hello";
EXPECT_EQ("Hello\n", test_logger_->message());
}
TEST_F(LoggerTest, LoggerLogsLowerVerbosity) {
VLOG(LOG_WARNING) << "Hello";
EXPECT_EQ("Hello\n", test_logger_->message());
}
TEST_F(LoggerTest, LoggerConcatenatesMessages) {
VLOG(LOG_INFO) << "Hello";
ASSERT_EQ("Hello\n", test_logger_->message());
VLOG(LOG_INFO) << " World";
EXPECT_EQ("Hello\n World\n", test_logger_->message());
}
TEST_F(LoggerTest, LoggerHandlesDifferentTypes) {
VLOG(LOG_INFO) << "Hello " << 42;
EXPECT_EQ("Hello 42\n", test_logger_->message());
}
} // namespace phonenumbers
} // namespace i18n