From c286bd230dc78420beff28594742771208e51942 Mon Sep 17 00:00:00 2001
From: asoseil <asoseil@gmail.com>
Date: Wed, 22 Nov 2017 15:06:10 +0100
Subject: [PATCH] prefix, write tests

---
 realize/cli.go      | 19 +++++++++++--------
 realize/cli_test.go | 31 +++++++++++++++++++++++--------
 2 files changed, 34 insertions(+), 16 deletions(-)

diff --git a/realize/cli.go b/realize/cli.go
index 5bc4c9d..1ecd51f 100644
--- a/realize/cli.go
+++ b/realize/cli.go
@@ -1,15 +1,15 @@
 package realize
 
 import (
-	"log"
-	"os"
-	"path/filepath"
-	"strings"
-	"time"
-	"os/signal"
-	"syscall"
 	"fmt"
 	"go/build"
+	"log"
+	"os"
+	"os/signal"
+	"path/filepath"
+	"strings"
+	"syscall"
+	"time"
 )
 
 const (
@@ -77,5 +77,8 @@ func (r *Realize) Prefix(input string) string {
 
 // Rewrite the layout of the log timestamp
 func (w LogWriter) Write(bytes []byte) (int, error) {
-	return fmt.Fprint(Output, Yellow.Regular("["), time.Now().Format("15:04:05"), Yellow.Regular("]"), string(bytes))
+	if len(bytes) > 0 {
+		return fmt.Fprint(Output, Yellow.Regular("["), time.Now().Format("15:04:05"), Yellow.Regular("]"), string(bytes))
+	}
+	return 0,nil
 }
diff --git a/realize/cli_test.go b/realize/cli_test.go
index 022aa30..4b700ce 100644
--- a/realize/cli_test.go
+++ b/realize/cli_test.go
@@ -4,16 +4,11 @@ import (
 	"os"
 	"testing"
 	"time"
+	"strings"
+	"log"
+	"bytes"
 )
 
-type mockRealize struct {
-	Settings Settings `yaml:"settings" json:"settings"`
-	Server   Server   `yaml:"server" json:"server"`
-	Schema   `yaml:",inline"`
-	sync     chan string
-	exit     chan os.Signal
-}
-
 func TestRealize_Stop(t *testing.T) {
 	r := Realize{}
 	r.exit = make(chan os.Signal, 2)
@@ -36,3 +31,23 @@ func TestRealize_Start(t *testing.T) {
 	}()
 	r.Start()
 }
+
+func TestRealize_Prefix(t *testing.T) {
+	r := Realize{}
+	input := "test"
+	result := r.Prefix(input)
+	if len(result) <= 0 && !strings.Contains(result,input){
+		t.Error("Unexpected error")
+	}
+}
+
+func TestSettings_Read(t *testing.T) {
+	var buf bytes.Buffer
+	log.SetOutput(&buf)
+	w := LogWriter{}
+	input := ""
+	int, err := w.Write([]byte(input))
+	if err != nil || int > 0{
+		t.Error("Unexpected error", err, "string lenght should be 0 instead",int)
+	}
+}
\ No newline at end of file