| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package confgroup |
| 4 | |
| 5 | import ( |
| 6 | "sort" |
| 7 | "testing" |
| 8 | |
| 9 | "github.com/stretchr/testify/assert" |
| 10 | ) |
| 11 | |
| 12 | func TestConfigCache_Add(t *testing.T) { |
| 13 | tests := map[string]struct { |
| 14 | prepareGroups []Group |
| 15 | groups []Group |
| 16 | expectedAdd []Config |
| 17 | expectedRemove []Config |
| 18 | }{ |
| 19 | "new group, new configs": { |
| 20 | groups: []Group{ |
| 21 | prepareGroup("source", prepareCfg("name", "module")), |
| 22 | }, |
| 23 | expectedAdd: []Config{ |
| 24 | prepareCfg("name", "module"), |
| 25 | }, |
| 26 | }, |
| 27 | "several equal updates for the same group": { |
| 28 | groups: []Group{ |
| 29 | prepareGroup("source", prepareCfg("name", "module")), |
| 30 | prepareGroup("source", prepareCfg("name", "module")), |
| 31 | prepareGroup("source", prepareCfg("name", "module")), |
| 32 | prepareGroup("source", prepareCfg("name", "module")), |
| 33 | prepareGroup("source", prepareCfg("name", "module")), |
| 34 | }, |
| 35 | expectedAdd: []Config{ |
| 36 | prepareCfg("name", "module"), |
| 37 | }, |
| 38 | }, |
| 39 | "empty group update for cached group": { |
| 40 | prepareGroups: []Group{ |
| 41 | prepareGroup("source", prepareCfg("name1", "module"), prepareCfg("name2", "module")), |
| 42 | }, |
| 43 | groups: []Group{ |
| 44 | prepareGroup("source"), |
| 45 | }, |
| 46 | expectedRemove: []Config{ |
| 47 | prepareCfg("name1", "module"), |
| 48 | prepareCfg("name2", "module"), |
| 49 | }, |
| 50 | }, |
| 51 | "changed group update for cached group": { |
| 52 | prepareGroups: []Group{ |
| 53 | prepareGroup("source", prepareCfg("name1", "module"), prepareCfg("name2", "module")), |
| 54 | }, |
| 55 | groups: []Group{ |
| 56 | prepareGroup("source", prepareCfg("name2", "module")), |
| 57 | }, |
| 58 | expectedRemove: []Config{ |
| 59 | prepareCfg("name1", "module"), |
| 60 | }, |
| 61 | }, |
| 62 | "empty group update for uncached group": { |
| 63 | groups: []Group{ |
| 64 | prepareGroup("source"), |
| 65 | prepareGroup("source"), |
| 66 | }, |
| 67 | }, |
| 68 | "several updates with different source but same context": { |
| 69 | groups: []Group{ |
| 70 | prepareGroup("source1", prepareCfg("name1", "module"), prepareCfg("name2", "module")), |
| 71 | prepareGroup("source2", prepareCfg("name1", "module"), prepareCfg("name2", "module")), |
| 72 | }, |
| 73 | expectedAdd: []Config{ |
| 74 | prepareCfg("name1", "module"), |
| 75 | prepareCfg("name2", "module"), |
| 76 | }, |
| 77 | }, |
| 78 | "have equal configs from 2 sources, get empty group for the 1st source": { |
| 79 | prepareGroups: []Group{ |
| 80 | prepareGroup("source1", prepareCfg("name1", "module"), prepareCfg("name2", "module")), |
| 81 | prepareGroup("source2", prepareCfg("name1", "module"), prepareCfg("name2", "module")), |
| 82 | }, |
| 83 | groups: []Group{ |
| 84 | prepareGroup("source2"), |
| 85 | }, |
| 86 | }, |
| 87 | } |
| 88 | |
| 89 | for name, test := range tests { |
| 90 | t.Run(name, func(t *testing.T) { |
| 91 | cache := NewCache() |
| 92 | |
| 93 | for _, group := range test.prepareGroups { |
| 94 | cache.Add(&group) |
| 95 | } |
| 96 | |
| 97 | var added, removed []Config |
| 98 | for _, group := range test.groups { |
| 99 | a, r := cache.Add(&group) |
| 100 | added = append(added, a...) |
| 101 | removed = append(removed, r...) |
| 102 | } |
| 103 | |
| 104 | sortConfigs(added) |
| 105 | sortConfigs(removed) |
| 106 | sortConfigs(test.expectedAdd) |
| 107 | sortConfigs(test.expectedRemove) |
| 108 | |
| 109 | assert.Equalf(t, test.expectedAdd, added, "added configs") |
| 110 | assert.Equalf(t, test.expectedRemove, removed, "removed configs") |
| 111 | }) |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | func prepareGroup(source string, cfgs ...Config) Group { |
| 116 | return Group{ |
| 117 | Configs: cfgs, |
| 118 | Source: source, |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | func prepareCfg(name, module string) Config { |
| 123 | return Config{ |
| 124 | "name": name, |
| 125 | "module": module, |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | func sortConfigs(cfgs []Config) { |
| 130 | if len(cfgs) == 0 { |
| 131 | return |
| 132 | } |
| 133 | sort.Slice(cfgs, func(i, j int) bool { return cfgs[i].FullName() < cfgs[j].FullName() }) |
| 134 | } |