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/*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* LoggingTest.cpp
* Test fixture for the Logging framework
* Copyright (C) 2005 Simon Newton
*/
#include <cppunit/extensions/HelperMacros.h>
#include <deque>
#include <string>
#include <utility>
#include <vector>
#include "ola/Logging.h"
#include "ola/StringUtils.h"
#include "ola/testing/TestUtils.h"
using std::deque;
using std::vector;
using std::string;
using ola::IncrementLogLevel;
using ola::log_level;
class LoggingTest: public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(LoggingTest);
CPPUNIT_TEST(testLogging);
CPPUNIT_TEST_SUITE_END();
public:
void testLogging();
};
class MockLogDestination: public ola::LogDestination {
public:
void AddExpected(log_level level, string log_line);
void Write(log_level level, const string &log_line);
int LinesRemaining() const { return m_log_lines.size(); }
private:
deque<std::pair<log_level, string> > m_log_lines;
};
CPPUNIT_TEST_SUITE_REGISTRATION(LoggingTest);
void MockLogDestination::AddExpected(log_level level, string log_line) {
std::pair<log_level, string> expected_result(level, log_line);
m_log_lines.push_back(expected_result);
}
/*
* Check that what gets written is what we expected
*/
void MockLogDestination::Write(log_level level, const string &log_line) {
vector<string> tokens;
ola::StringSplit(log_line, &tokens, ":");
OLA_ASSERT_EQ(tokens.size() , (size_t) 3);
OLA_ASSERT_GT(m_log_lines.size(), 0);
std::pair<log_level, string> expected_result = m_log_lines.at(0);
m_log_lines.pop_front();
OLA_ASSERT_EQ(expected_result.first, level);
OLA_ASSERT_EQ(expected_result.second, tokens.at(2));
}
/*
* Check that logging works correctly.
*/
void LoggingTest::testLogging() {
MockLogDestination *destination = new MockLogDestination();
InitLogging(ola::OLA_LOG_DEBUG, destination);
destination->AddExpected(ola::OLA_LOG_DEBUG, " debug\n");
OLA_DEBUG << "debug";
destination->AddExpected(ola::OLA_LOG_INFO, " info\n");
OLA_INFO << "info";
destination->AddExpected(ola::OLA_LOG_WARN, " warn\n");
OLA_WARN << "warn";
destination->AddExpected(ola::OLA_LOG_FATAL, " fatal\n");
OLA_FATAL << "fatal";
// Now make sure nothing below WARN is logged
ola::SetLogLevel(ola::OLA_LOG_WARN);
OLA_DEBUG << "debug";
OLA_INFO << "info";
destination->AddExpected(ola::OLA_LOG_WARN, " warn\n");
OLA_WARN << "warn";
destination->AddExpected(ola::OLA_LOG_FATAL, " fatal\n");
OLA_FATAL << "fatal";
OLA_ASSERT_EQ(destination->LinesRemaining(), 0);
// set the log level to INFO
IncrementLogLevel();
OLA_DEBUG << "debug";
destination->AddExpected(ola::OLA_LOG_INFO, " info\n");
OLA_INFO << "info";
destination->AddExpected(ola::OLA_LOG_WARN, " warn\n");
OLA_WARN << "warn";
destination->AddExpected(ola::OLA_LOG_FATAL, " fatal\n");
OLA_FATAL << "fatal";
OLA_ASSERT_EQ(destination->LinesRemaining(), 0);
IncrementLogLevel();
// this should wrap to NONE
IncrementLogLevel();
OLA_DEBUG << "debug";
OLA_INFO << "info";
OLA_WARN << "warn";
OLA_FATAL << "fatal";
OLA_ASSERT_EQ(destination->LinesRemaining(), 0);
}
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