#include <fstream>
#include <memory>

#include <di/Log.h>
#include <gtest/gtest.h>

using namespace Di;
using namespace std;

static const char *test_logfile = "/tmp/libdipp_tests_debug.log";

TEST(Debug, setLevel) {
	Log::setLevel("<invalid>");
	Log::setLevel("debug");
	Log::setLevel("info");
	Log::setLevel("warn");
	Log::setLevel("err");
	Log::setLevel("crit");
}

TEST(Debug, logToFile) {
    std::string line;
    int linecount = 0;

	Log::setLogfile(test_logfile);
	Log::setLevel("debug");

	Log::debug("Debug message");
	Log::info("Info message");
	Log::warning("Warning message");
	Log::err("Error message");
	Log::crit("Critical message");

	std::ifstream myfile(test_logfile);
    while (std::getline(myfile, line))
        ++linecount;
    EXPECT_EQ(5, linecount);

	unlink(test_logfile);
}

TEST(Debug, logToStdout) {
	Log::setLogfile("");
	Log::setLevel("debug");

	Log::debug("Debug message");
	Log::info("Info message");
	Log::warning("Warning message");
	Log::err("Error message");
	Log::crit("Critical message");
}