*: rename to "journal"

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>

pkg/logutil/zap_journal_test.go

@@ -0,0 +1,50 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build !windows
+
+package logutil
+
+import (
+	"bytes"
+	"testing"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+)
+
+func TestNewJournalWriter(t *testing.T) {
+	buf := bytes.NewBuffer(nil)
+	jw, err := NewJournalWriter(buf)
+	if err != nil {
+		t.Skip(err)
+	}
+
+	syncer := zapcore.AddSync(jw)
+
+	cr := zapcore.NewCore(
+		zapcore.NewJSONEncoder(zap.NewProductionEncoderConfig()),
+		syncer,
+		zap.NewAtomicLevelAt(zap.InfoLevel),
+	)
+
+	lg := zap.New(cr, zap.AddCaller(), zap.ErrorOutput(syncer))
+	defer lg.Sync()
+
+	lg.Info("TestNewJournalWriter")
+	if buf.String() == "" {
+		// check with "journalctl -f"
+		t.Log("sent logs successfully to journald")
+	}
+}