// Copyright (c) 2021 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package grpc

import (
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	"go.uber.org/zap"
	"go.uber.org/zap/zapcore"
	"go.uber.org/zap/zapgrpc"
	"go.uber.org/zap/zaptest/observer"
	"google.golang.org/grpc/grpclog"
)

func TestLoggerV2(t *testing.T) {
	core, observedLogs := observer.New(zapcore.InfoLevel)
	zlog := zap.New(core)

	grpclog.SetLoggerV2(zapgrpc.NewLogger(zlog))

	grpclog.Info("hello from grpc")

	logs := observedLogs.TakeAll()
	require.Len(t, logs, 1, "Expected one log entry.")
	entry := logs[0]

	assert.Equal(t, zapcore.InfoLevel, entry.Level,
		"Log entry level did not match.")
	assert.Equal(t, "hello from grpc", entry.Message,
		"Log entry message did not match.")
}
