Add benchmark

License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protonmail.ch>

logbench_test.go

@@ -0,0 +1,59 @@
+package log
+
+import (
+	"sync"
+	"testing"
+)
+
+// To run bencharks:
+//   > go test -c .
+//   > ./go-log.test -test.run NONE -test.bench . 2>/dev/null
+// Otherwise you test how fast your terminal can print.
+
+func BenchmarkSimpleInfo(b *testing.B) {
+	l := Logger("bench")
+	SetLogLevel("bench", "info")
+
+	b.ResetTimer()
+	b.ReportAllocs()
+	for i := 0; i < b.N; i++ {
+		l.Info("test")
+	}
+}
+
+var logString = "String, IDK what to write, let's punch a keyboard. jkdlsjklfdjfklsjfklsdjaflkdjfkdjsfkldjsfkdjklfjdslfjakdfjioerjieofjofdnvonoijdfneslkffjsdfljadljfdjkfjkf"
+
+func BenchmarkFormatInfo(b *testing.B) {
+	l := Logger("bench")
+	SetLogLevel("bench", "info")
+
+	b.ResetTimer()
+	b.ReportAllocs()
+	for i := 0; i < b.N; i++ {
+		l.Infof("test %d %s", logString)
+	}
+}
+
+func BenchmarkFormatInfoMulti(b *testing.B) {
+	l := Logger("bench")
+	SetLogLevel("bench", "info")
+	var wg sync.WaitGroup
+
+	goroutines := 16
+
+	run := func() {
+		for i := 0; i < b.N/goroutines; i++ {
+			l.Infof("test %d %s", i, logString)
+		}
+		wg.Done()
+	}
+
+	wg.Add(goroutines)
+
+	b.ResetTimer()
+	b.ReportAllocs()
+	for i := 0; i < goroutines; i++ {
+		go run()
+	}
+	wg.Wait()
+}