vitess.io/vitess@v0.16.2/go/vt/vtgate/status_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 vtgate 18 19 import ( 20 "bytes" 21 "html/template" 22 "reflect" 23 "testing" 24 "time" 25 26 topodatapb "vitess.io/vitess/go/vt/proto/topodata" 27 ) 28 29 func TestTabletStatusAggregator(t *testing.T) { 30 aggr := &TabletStatusAggregator{ 31 Keyspace: "k", 32 Shard: "s", 33 TabletType: topodatapb.TabletType_REPLICA, 34 Name: "n", 35 Addr: "a", 36 } 37 qi := &queryInfo{ 38 aggr: aggr, 39 addr: "", 40 tabletType: topodatapb.TabletType_REPLICA, 41 elapsed: 10 * time.Millisecond, 42 hasError: false, 43 } 44 aggr.processQueryInfo(qi) 45 aggr.resetNextSlot() 46 qi = &queryInfo{ 47 aggr: aggr, 48 addr: "", 49 tabletType: topodatapb.TabletType_REPLICA, 50 elapsed: 8 * time.Millisecond, 51 hasError: false, 52 } 53 aggr.processQueryInfo(qi) 54 qi = &queryInfo{ 55 aggr: aggr, 56 addr: "", 57 tabletType: topodatapb.TabletType_REPLICA, 58 elapsed: 3 * time.Millisecond, 59 hasError: true, 60 } 61 aggr.processQueryInfo(qi) 62 want := &TabletCacheStatus{ 63 Keyspace: "k", 64 Shard: "s", 65 Name: "n", 66 TabletType: topodatapb.TabletType_REPLICA, 67 Addr: "a", 68 QueryCount: 3, 69 QueryError: 1, 70 QPS: 0.05, 71 AvgLatency: 7, 72 } 73 got := aggr.GetCacheStatus() 74 if !reflect.DeepEqual(got, want) { 75 t.Errorf("aggr.GetCacheStatus() =\n%+v, want =\n%+v", got, want) 76 } 77 // reset values in idx=0 78 for i := 0; i < 59; i++ { 79 aggr.resetNextSlot() 80 } 81 qi = &queryInfo{ 82 aggr: aggr, 83 addr: "b", 84 tabletType: topodatapb.TabletType_PRIMARY, 85 elapsed: 9 * time.Millisecond, 86 hasError: false, 87 } 88 aggr.processQueryInfo(qi) 89 qi = &queryInfo{ 90 aggr: aggr, 91 addr: "", 92 tabletType: topodatapb.TabletType_PRIMARY, 93 elapsed: 6 * time.Millisecond, 94 hasError: true, 95 } 96 aggr.processQueryInfo(qi) 97 want = &TabletCacheStatus{ 98 Keyspace: "k", 99 Shard: "s", 100 Name: "n", 101 TabletType: topodatapb.TabletType_PRIMARY, 102 Addr: "b", 103 QueryCount: 2, 104 QueryError: 1, 105 QPS: 0.03333333333333333, 106 AvgLatency: 7.5, 107 } 108 got = aggr.GetCacheStatus() 109 if !reflect.DeepEqual(got, want) { 110 t.Errorf("aggr.GetCacheStatus() =\n%+v, want =\n%+v", got, want) 111 } 112 113 // Make sure the HTML rendering of the cache works. 114 // This will catch most typos. 115 templ, err := template.New("").Parse(StatusTemplate) 116 if err != nil { 117 t.Fatalf("error parsing template: %v", err) 118 } 119 wr := &bytes.Buffer{} 120 if err := templ.Execute(wr, []*TabletCacheStatus{got}); err != nil { 121 t.Fatalf("error executing template: %v", err) 122 } 123 }