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#include "logger.h"
#include <catch2/catch_test_macros.hpp>
#include <iostream>
#include <regex>
#include <sstream>
TEST_CASE("Logger logs higher log level")
{
std::streambuf *coutBuffer = std::cout.rdbuf();
std::ostringstream oss;
std::cout.rdbuf(oss.rdbuf());
Logger logger("");
logger.setLevel(INFO);
logger.log(ERROR, "foo bar baz qux");
std::cout.rdbuf(coutBuffer);
std::string actual = oss.str();
std::regex expected(
"\\[\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2}\\] ERROR: "
"foo bar baz qux\\n");
REQUIRE(std::regex_match(actual, expected));
}
TEST_CASE("Logger logs equal log level")
{
std::streambuf *coutBuffer = std::cout.rdbuf();
std::ostringstream oss;
std::cout.rdbuf(oss.rdbuf());
Logger logger("");
logger.setLevel(INFO);
logger.log(INFO, "foo bar baz qux");
std::cout.rdbuf(coutBuffer);
std::string actual = oss.str();
std::regex expected("\\[\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2}\\] INFO: "
"foo bar baz qux\\n");
REQUIRE(std::regex_match(actual, expected));
}
TEST_CASE("Logger ignores lower log level")
{
std::streambuf *coutBuffer = std::cout.rdbuf();
std::ostringstream oss;
std::cout.rdbuf(oss.rdbuf());
Logger logger("");
logger.setLevel(INFO);
logger.log(DEBUG, "foo bar baz qux");
std::cout.rdbuf(coutBuffer);
std::string actual = oss.str();
std::string expected("");
REQUIRE(actual == expected);
}
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