add test for log

sshpiperd/log_test.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"io/ioutil"
+	"os"
+	"strings"
+	"testing"
+)
+
+func TestCreateLogger(t *testing.T) {
+
+	// flags
+	{
+		logger := loggerConfig{LogFlags: 2}.createLogger()
+
+		if logger.Flags() != 2 {
+			t.Errorf("flags not set")
+		}
+	}
+
+	// file
+	{
+		tmpfile, err := ioutil.TempFile("", "sshpiperlog")
+		if err != nil {
+			t.Errorf("failed to create tmp file %v", err)
+		}
+		defer os.Remove(tmpfile.Name()) // clean up
+
+		logger := loggerConfig{LogFile: tmpfile.Name()}.createLogger()
+
+		logger.Print("test123")
+
+		s, _ := ioutil.ReadFile(tmpfile.Name())
+
+		if !strings.Contains(string(s), "test123") {
+
+			t.Errorf("log failed")
+		}
+	}
+}