kuttilog_defaultlogger_test.go

package kuttilog

import (
	"bytes"
	"testing"
)

func TestDefaultlogger(t *testing.T) {
	t.Log("Testing Default Logger...")
	ResetLogger()

	SetLogLevel(Info)

	var buf bytes.Buffer
	defaultLogger.log.SetOutput(&buf)

	// Test Print
	Print(Info, "Hello")
	if buf.String() != "Hello\n" {
		t.Errorf("\nDefault Logger Print error:\n  Expected: %#v\n  Got: %#v",
			"Hello\n",
			buf.String())
	}

	// Test Printf
	buf.Reset()
	Printf(Info, "%v", "Hello")
	if buf.String() != "Hello\n" {
		t.Errorf("\nDefault Logger Printf error:\n  Expected: %#v\n  Got: %#v",
			"Hello\n",
			buf.String())
	}

	// Test Println
	buf.Reset()
	Println(Info, "Hello")
	if buf.String() != "Hello\n" {
		t.Errorf("\nDefault Logger Println error:\n  Expected: %#v\n  Got: %#v",
			"Hello\n",
			buf.String())
	}

	// Debug output should not happen at Info level
	buf.Reset()
	Printf(Debug, "Hello %v", 42)
	if buf.String() != "" {
		t.Errorf("\nDefault Logger Print error:\n  Expected: \"\"\n  Got: %#v",
			buf.String())
	}

	// Debug output should happen at Debug level
	SetLogLevel(Debug)

	buf.Reset()
	Printf(Debug, "Hello %v", 42)
	if buf.String() != "[DEBUG] Hello 42\n" {
		t.Errorf("\nDefault Logger Print error:\n  Expected: %#v\n  Got: %#v",
			"[DEBUG] Hello 42\n",
			buf.String())
	}
}