vitess.io/vitess@v0.16.2/go/vt/vttablet/tabletserver/repltracker/writer_test.go (about)

     1  /*
     2  Copyright 2019 The Vitess Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package repltracker
    18  
    19  import (
    20  	"fmt"
    21  	"testing"
    22  	"time"
    23  
    24  	"github.com/stretchr/testify/assert"
    25  
    26  	"vitess.io/vitess/go/mysql/fakesqldb"
    27  	"vitess.io/vitess/go/sqltypes"
    28  	"vitess.io/vitess/go/vt/dbconfigs"
    29  	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
    30  	"vitess.io/vitess/go/vt/vttablet/tabletserver/tabletenv"
    31  )
    32  
    33  func TestWriteHeartbeat(t *testing.T) {
    34  	db := fakesqldb.New(t)
    35  	defer db.Close()
    36  
    37  	now := time.Now()
    38  	tw := newTestWriter(db, &now)
    39  	upsert := fmt.Sprintf("INSERT INTO %s.heartbeat (ts, tabletUid, keyspaceShard) VALUES (%d, %d, '%s') ON DUPLICATE KEY UPDATE ts=VALUES(ts), tabletUid=VALUES(tabletUid)",
    40  		"_vt", now.UnixNano(), tw.tabletAlias.Uid, tw.keyspaceShard)
    41  	db.AddQuery(upsert, &sqltypes.Result{})
    42  
    43  	writes.Reset()
    44  	writeErrors.Reset()
    45  
    46  	tw.writeHeartbeat()
    47  	assert.Equal(t, int64(1), writes.Get())
    48  	assert.Equal(t, int64(0), writeErrors.Get())
    49  }
    50  
    51  func TestWriteHeartbeatError(t *testing.T) {
    52  	db := fakesqldb.New(t)
    53  	defer db.Close()
    54  
    55  	now := time.Now()
    56  	tw := newTestWriter(db, &now)
    57  
    58  	writes.Reset()
    59  	writeErrors.Reset()
    60  
    61  	tw.writeHeartbeat()
    62  	assert.Equal(t, int64(0), writes.Get())
    63  	assert.Equal(t, int64(1), writeErrors.Get())
    64  }
    65  
    66  func newTestWriter(db *fakesqldb.DB, frozenTime *time.Time) *heartbeatWriter {
    67  	config := tabletenv.NewDefaultConfig()
    68  	config.ReplicationTracker.Mode = tabletenv.Heartbeat
    69  	config.ReplicationTracker.HeartbeatIntervalSeconds = 1
    70  
    71  	params, _ := db.ConnParams().MysqlParams()
    72  	cp := *params
    73  	dbc := dbconfigs.NewTestDBConfigs(cp, cp, "")
    74  
    75  	tw := newHeartbeatWriter(tabletenv.NewEnv(config, "WriterTest"), &topodatapb.TabletAlias{Cell: "test", Uid: 1111})
    76  	tw.keyspaceShard = "test:0"
    77  
    78  	if frozenTime != nil {
    79  		tw.now = func() time.Time {
    80  			return *frozenTime
    81  		}
    82  	}
    83  
    84  	tw.appPool.Open(dbc.AppWithDB())
    85  	tw.allPrivsPool.Open(dbc.AllPrivsWithDB())
    86  
    87  	return tw
    88  }