clientv3/concurrency: add logger to session, add unit test

Signed-off-by: Ramil Mirhasanov <ramil600@yahoo.com>

tests/integration/clientv3/concurrency/session_test.go

@@ -0,0 +1,84 @@
+// Copyright 2022 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.
+
+package concurrency_test
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	clientv3 "go.etcd.io/etcd/client/v3"
+	"go.etcd.io/etcd/client/v3/concurrency"
+	integration2 "go.etcd.io/etcd/tests/v3/framework/integration"
+)
+
+func TestSessionOptions(t *testing.T) {
+	cli, err := integration2.NewClient(t, clientv3.Config{Endpoints: exampleEndpoints()})
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer cli.Close()
+	lease, err := cli.Grant(context.Background(), 100)
+	if err != nil {
+		t.Fatal(err)
+	}
+	s, err := concurrency.NewSession(cli, concurrency.WithLease(lease.ID))
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer s.Close()
+	assert.Equal(t, s.Lease(), lease.ID)
+
+	go s.Orphan()
+	select {
+	case <-s.Done():
+	case <-time.After(time.Millisecond * 100):
+		t.Fatal("session did not get orphaned as expected")
+	}
+
+}
+func TestSessionTTLOptions(t *testing.T) {
+	cli, err := integration2.NewClient(t, clientv3.Config{Endpoints: exampleEndpoints()})
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer cli.Close()
+
+	var setTTL int = 90
+	s, err := concurrency.NewSession(cli, concurrency.WithTTL(setTTL))
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer s.Close()
+
+	leaseId := s.Lease()
+	// TTL retrieved should be less than the set TTL, but not equal to default:60 or exprired:-1
+	resp, err := cli.Lease.TimeToLive(context.Background(), leaseId)
+	if err != nil {
+		t.Log(err)
+	}
+	if resp.TTL == -1 {
+		t.Errorf("client lease should not be expired: %d", resp.TTL)
+
+	}
+	if resp.TTL == 60 {
+		t.Errorf("default TTL value is used in the session, instead of set TTL: %d", setTTL)
+	}
+	if resp.TTL >= int64(setTTL) || resp.TTL < int64(setTTL)-20 {
+		t.Errorf("Session TTL from lease should be less, but close to set TTL %d, have: %d", setTTL, resp.TTL)
+	}
+
+}