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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* log.cpp - log API test
*/
#include <algorithm>
#include <fcntl.h>
#include <iostream>
#include <list>
#include <sstream>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <libcamera/base/log.h>
#include <libcamera/logging.h>
#include "test.h"
using namespace std;
using namespace libcamera;
LOG_DEFINE_CATEGORY(LogAPITest)
class LogAPITest : public Test
{
protected:
void doLogging()
{
logSetLevel("LogAPITest", "DEBUG");
LOG(LogAPITest, Info) << "good 1";
logSetLevel("LogAPITest", "WARN");
LOG(LogAPITest, Info) << "bad";
logSetLevel("LogAPITest", "ERROR");
LOG(LogAPITest, Error) << "good 3";
LOG(LogAPITest, Info) << "bad";
logSetLevel("LogAPITest", "WARN");
LOG(LogAPITest, Warning) << "good 5";
LOG(LogAPITest, Info) << "bad";
}
int verifyOutput(istream &is)
{
list<int> goodList = { 1, 3, 5 };
string line;
while (getline(is, line)) {
if (goodList.empty()) {
cout << "Too many log lines" << endl;
return TestFail;
}
unsigned int digit = line.back() - '0';
unsigned int expect = goodList.front();
goodList.pop_front();
if (digit != expect) {
cout << "Incorrect log line" << endl;
return TestFail;
}
}
if (!goodList.empty()) {
cout << "Too few log lines" << endl;
return TestFail;
}
return TestPass;
}
int testFile()
{
int fd = open("/tmp", O_TMPFILE | O_RDWR, S_IRUSR | S_IWUSR);
if (fd < 0) {
cerr << "Failed to open tmp log file" << endl;
return TestFail;
}
char path[32];
snprintf(path, sizeof(path), "/proc/self/fd/%u", fd);
if (logSetFile(path) < 0) {
cerr << "Failed to set log file" << endl;
close(fd);
return TestFail;
}
doLogging();
char buf[1000];
memset(buf, 0, sizeof(buf));
lseek(fd, 0, SEEK_SET);
if (read(fd, buf, sizeof(buf)) < 0) {
cerr << "Failed to read tmp log file" << endl;
close(fd);
return TestFail;
}
close(fd);
istringstream iss(buf);
return verifyOutput(iss);
}
int testStream()
{
stringstream log;
/* Never fails, so no need to check return value */
logSetStream(&log);
doLogging();
return verifyOutput(log);
}
int testTarget()
{
logSetTarget(LoggingTargetNone);
logSetLevel("LogAPITest", "DEBUG");
LOG(LogAPITest, Info) << "don't crash please";
if (!logSetTarget(LoggingTargetFile))
return TestFail;
if (!logSetTarget(LoggingTargetStream))
return TestFail;
return TestPass;
}
int run() override
{
int ret = testFile();
if (ret != TestPass)
return TestFail;
ret = testStream();
if (ret != TestPass)
return TestFail;
ret = testTarget();
if (ret != TestPass)
return TestFail;
return TestPass;
}
};
TEST_REGISTER(LogAPITest)
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