go.etcd.io/etcd@v3.3.27+incompatible/etcdserver/cluster_util_test.go (about) 1 // Copyright 2015 The etcd Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package etcdserver 16 17 import ( 18 "reflect" 19 "testing" 20 21 "github.com/coreos/etcd/pkg/types" 22 "github.com/coreos/etcd/version" 23 "github.com/coreos/go-semver/semver" 24 ) 25 26 func TestDecideClusterVersion(t *testing.T) { 27 tests := []struct { 28 vers map[string]*version.Versions 29 wdver *semver.Version 30 }{ 31 { 32 map[string]*version.Versions{"a": {Server: "2.0.0"}}, 33 semver.Must(semver.NewVersion("2.0.0")), 34 }, 35 // unknown 36 { 37 map[string]*version.Versions{"a": nil}, 38 nil, 39 }, 40 { 41 map[string]*version.Versions{"a": {Server: "2.0.0"}, "b": {Server: "2.1.0"}, "c": {Server: "2.1.0"}}, 42 semver.Must(semver.NewVersion("2.0.0")), 43 }, 44 { 45 map[string]*version.Versions{"a": {Server: "2.1.0"}, "b": {Server: "2.1.0"}, "c": {Server: "2.1.0"}}, 46 semver.Must(semver.NewVersion("2.1.0")), 47 }, 48 { 49 map[string]*version.Versions{"a": nil, "b": {Server: "2.1.0"}, "c": {Server: "2.1.0"}}, 50 nil, 51 }, 52 } 53 54 for i, tt := range tests { 55 dver := decideClusterVersion(tt.vers) 56 if !reflect.DeepEqual(dver, tt.wdver) { 57 t.Errorf("#%d: ver = %+v, want %+v", i, dver, tt.wdver) 58 } 59 } 60 } 61 62 func TestIsCompatibleWithVers(t *testing.T) { 63 tests := []struct { 64 vers map[string]*version.Versions 65 local types.ID 66 minV, maxV *semver.Version 67 wok bool 68 }{ 69 // too low 70 { 71 map[string]*version.Versions{ 72 "a": {Server: "2.0.0", Cluster: "not_decided"}, 73 "b": {Server: "2.1.0", Cluster: "2.1.0"}, 74 "c": {Server: "2.1.0", Cluster: "2.1.0"}, 75 }, 76 0xa, 77 semver.Must(semver.NewVersion("2.0.0")), semver.Must(semver.NewVersion("2.0.0")), 78 false, 79 }, 80 { 81 map[string]*version.Versions{ 82 "a": {Server: "2.1.0", Cluster: "not_decided"}, 83 "b": {Server: "2.1.0", Cluster: "2.1.0"}, 84 "c": {Server: "2.1.0", Cluster: "2.1.0"}, 85 }, 86 0xa, 87 semver.Must(semver.NewVersion("2.0.0")), semver.Must(semver.NewVersion("2.1.0")), 88 true, 89 }, 90 // too high 91 { 92 map[string]*version.Versions{ 93 "a": {Server: "2.2.0", Cluster: "not_decided"}, 94 "b": {Server: "2.0.0", Cluster: "2.0.0"}, 95 "c": {Server: "2.0.0", Cluster: "2.0.0"}, 96 }, 97 0xa, 98 semver.Must(semver.NewVersion("2.1.0")), semver.Must(semver.NewVersion("2.2.0")), 99 false, 100 }, 101 // cannot get b's version, expect ok 102 { 103 map[string]*version.Versions{ 104 "a": {Server: "2.1.0", Cluster: "not_decided"}, 105 "b": nil, 106 "c": {Server: "2.1.0", Cluster: "2.1.0"}, 107 }, 108 0xa, 109 semver.Must(semver.NewVersion("2.0.0")), semver.Must(semver.NewVersion("2.1.0")), 110 true, 111 }, 112 // cannot get b and c's version, expect not ok 113 { 114 map[string]*version.Versions{ 115 "a": {Server: "2.1.0", Cluster: "not_decided"}, 116 "b": nil, 117 "c": nil, 118 }, 119 0xa, 120 semver.Must(semver.NewVersion("2.0.0")), semver.Must(semver.NewVersion("2.1.0")), 121 false, 122 }, 123 } 124 125 for i, tt := range tests { 126 ok := isCompatibleWithVers(tt.vers, tt.local, tt.minV, tt.maxV) 127 if ok != tt.wok { 128 t.Errorf("#%d: ok = %+v, want %+v", i, ok, tt.wok) 129 } 130 } 131 }