From 90fb2d9ef90a71ea1c6fa96ff794b9f5c3f86a22 Mon Sep 17 00:00:00 2001
From: zelig <viktor.tron@gmail.com>
Date: Fri, 6 Feb 2015 14:44:10 +0100
Subject: [PATCH] add test subpkg for testing utils

---
 bzz/test/logger.go | 78 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 bzz/test/logger.go

diff --git a/bzz/test/logger.go b/bzz/test/logger.go
new file mode 100644
index 0000000000..8b776e0b5c
--- /dev/null
+++ b/bzz/test/logger.go
@@ -0,0 +1,78 @@
+package test
+
+import (
+	"log"
+	"os"
+	"sync"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/logger"
+)
+
+var once sync.Once
+
+/* usage:
+func TestFunc(t *testing.T) {
+    test.LogInit()
+    // test
+}
+*/
+func LogInit() {
+	once.Do(func() {
+		var logsys = logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.LogLevel(logger.DebugDetailLevel))
+		logger.AddLogSystem(logsys)
+	})
+}
+
+type testLogger struct{ t *testing.T }
+
+/* usage:
+func TestFunc(t *testing.T) {
+    defer test.Testlog.Detach()
+    // test
+}
+*/
+func Testlog(t *testing.T) testLogger {
+	logger.Reset()
+	l := testLogger{t}
+	logger.AddLogSystem(l)
+	return l
+}
+
+func (testLogger) GetLogLevel() logger.LogLevel { return logger.DebugLevel }
+func (testLogger) SetLogLevel(logger.LogLevel)  {}
+
+func (l testLogger) LogPrint(level logger.LogLevel, msg string) {
+	l.t.Logf("%s", msg)
+}
+
+func (testLogger) Detach() {
+	logger.Flush()
+	logger.Reset()
+}
+
+type benchLogger struct{ b *testing.B }
+
+/* usage:
+func BenchmarkFunc(b *testing.B) {
+    defer test.Benchlog.Detach()
+    // test
+}
+*/
+func Benchlog(b *testing.B) benchLogger {
+	logger.Reset()
+	l := benchLogger{b}
+	logger.AddLogSystem(l)
+	return l
+}
+
+func (benchLogger) GetLogLevel() logger.LogLevel { return logger.Silence }
+
+func (benchLogger) SetLogLevel(logger.LogLevel) {}
+func (l benchLogger) LogPrint(level logger.LogLevel, msg string) {
+	l.b.Logf("%s", msg)
+}
+func (benchLogger) Detach() {
+	logger.Flush()
+	logger.Reset()
+}