chore: add logger test

pkg/logger/logger.go

@@ -12,6 +12,11 @@ func GetDefaultLogger() *zerolog.Logger {
 	return &log
 }
 
+func GetNopLogger() *zerolog.Logger {
+	log := zerolog.Nop()
+	return &log
+}
+
 func GetLogger(config config.LogConfig) zerolog.Logger {
 	log := zerolog.New(zerolog.ConsoleWriter{Out: os.Stdout}).With().Timestamp().Logger()
 
@@ -21,7 +26,7 @@ func GetLogger(config config.LogConfig) zerolog.Logger {
 
 	logLevel, err := zerolog.ParseLevel(config.LogLevel)
 	if err != nil {
-		log.Fatal().Err(err).Msg("Could not parse log level")
+		log.Panic().Err(err).Msg("Could not parse log level")
 	}
 
 	zerolog.SetGlobalLevel(logLevel)

pkg/logger/logger_test.go

@@ -0,0 +1,48 @@
+package logger
+
+import (
+	"main/pkg/config"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetDefaultLogger(t *testing.T) {
+	t.Parallel()
+
+	logger := GetDefaultLogger()
+	require.NotNil(t, logger)
+}
+
+func TestGetLoggerInvalidLogLevel(t *testing.T) {
+	t.Parallel()
+
+	defer func() {
+		if r := recover(); r == nil {
+			require.Fail(t, "Expected to have a panic here!")
+		}
+	}()
+
+	GetLogger(config.LogConfig{LogLevel: "invalid"})
+}
+
+func TestGetLoggerValidPlain(t *testing.T) {
+	t.Parallel()
+
+	logger := GetLogger(config.LogConfig{LogLevel: "info"})
+	require.NotNil(t, logger)
+}
+
+func TestGetLoggerValidJSON(t *testing.T) {
+	t.Parallel()
+
+	logger := GetLogger(config.LogConfig{LogLevel: "info", JSONOutput: true})
+	require.NotNil(t, logger)
+}
+
+func TestGetLoggerNop(t *testing.T) {
+	t.Parallel()
+
+	logger := GetNopLogger()
+	require.NotNil(t, logger)
+}