| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package selector |
| 4 | |
| 5 | import ( |
| 6 | "testing" |
| 7 | |
| 8 | "github.com/prometheus/prometheus/model/labels" |
| 9 | "github.com/stretchr/testify/assert" |
| 10 | "github.com/stretchr/testify/require" |
| 11 | ) |
| 12 | |
| 13 | func TestTrueSelector_Matches(t *testing.T) { |
| 14 | tests := map[string]struct { |
| 15 | sr trueSelector |
| 16 | lbs labels.Labels |
| 17 | expected bool |
| 18 | }{ |
| 19 | "not empty labels": { |
| 20 | lbs: labels.Labels{{Name: labels.MetricName, Value: "name"}}, |
| 21 | expected: true, |
| 22 | }, |
| 23 | "empty labels": { |
| 24 | expected: true, |
| 25 | }, |
| 26 | } |
| 27 | |
| 28 | for name, test := range tests { |
| 29 | t.Run(name, func(t *testing.T) { |
| 30 | if test.expected { |
| 31 | assert.True(t, test.sr.Matches(test.lbs)) |
| 32 | } else { |
| 33 | assert.False(t, test.sr.Matches(test.lbs)) |
| 34 | } |
| 35 | }) |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | func TestFalseSelector_Matches(t *testing.T) { |
| 40 | tests := map[string]struct { |
| 41 | sr falseSelector |
| 42 | lbs labels.Labels |
| 43 | expected bool |
| 44 | }{ |
| 45 | "not empty labels": { |
| 46 | lbs: labels.Labels{{Name: labels.MetricName, Value: "name"}}, |
| 47 | expected: false, |
| 48 | }, |
| 49 | "empty labels": { |
| 50 | expected: false, |
| 51 | }, |
| 52 | } |
| 53 | |
| 54 | for name, test := range tests { |
| 55 | t.Run(name, func(t *testing.T) { |
| 56 | if test.expected { |
| 57 | assert.True(t, test.sr.Matches(test.lbs)) |
| 58 | } else { |
| 59 | assert.False(t, test.sr.Matches(test.lbs)) |
| 60 | } |
| 61 | }) |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | func TestNegSelector_Matches(t *testing.T) { |
| 66 | tests := map[string]struct { |
| 67 | sr negSelector |
| 68 | lbs labels.Labels |
| 69 | expected bool |
| 70 | }{ |
| 71 | "true matcher": { |
| 72 | sr: negSelector{trueSelector{}}, |
| 73 | lbs: labels.Labels{{Name: labels.MetricName, Value: "name"}}, |
| 74 | expected: false, |
| 75 | }, |
| 76 | "false matcher": { |
| 77 | sr: negSelector{falseSelector{}}, |
| 78 | lbs: labels.Labels{{Name: labels.MetricName, Value: "name"}}, |
| 79 | expected: true, |
| 80 | }, |
| 81 | } |
| 82 | |
| 83 | for name, test := range tests { |
| 84 | t.Run(name, func(t *testing.T) { |
| 85 | if test.expected { |
| 86 | assert.True(t, test.sr.Matches(test.lbs)) |
| 87 | } else { |
| 88 | assert.False(t, test.sr.Matches(test.lbs)) |
| 89 | } |
| 90 | }) |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | func TestAndSelector_Matches(t *testing.T) { |
| 95 | tests := map[string]struct { |
| 96 | sr andSelector |
| 97 | lbs labels.Labels |
| 98 | expected bool |
| 99 | }{ |
| 100 | "true, true": { |
| 101 | sr: andSelector{lhs: trueSelector{}, rhs: trueSelector{}}, |
| 102 | expected: true, |
| 103 | }, |
| 104 | "true, false": { |
| 105 | sr: andSelector{lhs: trueSelector{}, rhs: falseSelector{}}, |
| 106 | expected: false, |
| 107 | }, |
| 108 | "false, true": { |
| 109 | sr: andSelector{lhs: trueSelector{}, rhs: falseSelector{}}, |
| 110 | expected: false, |
| 111 | }, |
| 112 | "false, false": { |
| 113 | sr: andSelector{lhs: falseSelector{}, rhs: falseSelector{}}, |
| 114 | expected: false, |
| 115 | }, |
| 116 | } |
| 117 | |
| 118 | for name, test := range tests { |
| 119 | t.Run(name, func(t *testing.T) { |
| 120 | assert.Equal(t, test.expected, test.sr.Matches(test.lbs)) |
| 121 | }) |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | func TestOrSelector_Matches(t *testing.T) { |
| 126 | tests := map[string]struct { |
| 127 | sr orSelector |
| 128 | lbs labels.Labels |
| 129 | expected bool |
| 130 | }{ |
| 131 | "true, true": { |
| 132 | sr: orSelector{lhs: trueSelector{}, rhs: trueSelector{}}, |
| 133 | expected: true, |
| 134 | }, |
| 135 | "true, false": { |
| 136 | sr: orSelector{lhs: trueSelector{}, rhs: falseSelector{}}, |
| 137 | expected: true, |
| 138 | }, |
| 139 | "false, true": { |
| 140 | sr: orSelector{lhs: trueSelector{}, rhs: falseSelector{}}, |
| 141 | expected: true, |
| 142 | }, |
| 143 | "false, false": { |
| 144 | sr: orSelector{lhs: falseSelector{}, rhs: falseSelector{}}, |
| 145 | expected: false, |
| 146 | }, |
| 147 | } |
| 148 | |
| 149 | for name, test := range tests { |
| 150 | t.Run(name, func(t *testing.T) { |
| 151 | assert.Equal(t, test.expected, test.sr.Matches(test.lbs)) |
| 152 | }) |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | func Test_And(t *testing.T) { |
| 157 | tests := map[string]struct { |
| 158 | srs []Selector |
| 159 | expected Selector |
| 160 | }{ |
| 161 | "2 selectors": { |
| 162 | srs: []Selector{trueSelector{}, trueSelector{}}, |
| 163 | expected: andSelector{ |
| 164 | lhs: trueSelector{}, |
| 165 | rhs: trueSelector{}, |
| 166 | }, |
| 167 | }, |
| 168 | "4 selectors": { |
| 169 | srs: []Selector{trueSelector{}, trueSelector{}, trueSelector{}, trueSelector{}}, |
| 170 | expected: andSelector{ |
| 171 | lhs: andSelector{ |
| 172 | lhs: andSelector{ |
| 173 | lhs: trueSelector{}, |
| 174 | rhs: trueSelector{}, |
| 175 | }, |
| 176 | rhs: trueSelector{}, |
| 177 | }, |
| 178 | rhs: trueSelector{}}, |
| 179 | }, |
| 180 | } |
| 181 | |
| 182 | for name, test := range tests { |
| 183 | t.Run(name, func(t *testing.T) { |
| 184 | require.GreaterOrEqual(t, len(test.srs), 2) |
| 185 | |
| 186 | s := And(test.srs[0], test.srs[1], test.srs[2:]...) |
| 187 | assert.Equal(t, test.expected, s) |
| 188 | }) |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | func Test_Or(t *testing.T) { |
| 193 | tests := map[string]struct { |
| 194 | srs []Selector |
| 195 | expected Selector |
| 196 | }{ |
| 197 | "2 selectors": { |
| 198 | srs: []Selector{trueSelector{}, trueSelector{}}, |
| 199 | expected: orSelector{ |
| 200 | lhs: trueSelector{}, |
| 201 | rhs: trueSelector{}, |
| 202 | }, |
| 203 | }, |
| 204 | "4 selectors": { |
| 205 | srs: []Selector{trueSelector{}, trueSelector{}, trueSelector{}, trueSelector{}}, |
| 206 | expected: orSelector{ |
| 207 | lhs: orSelector{ |
| 208 | lhs: orSelector{ |
| 209 | lhs: trueSelector{}, |
| 210 | rhs: trueSelector{}, |
| 211 | }, |
| 212 | rhs: trueSelector{}, |
| 213 | }, |
| 214 | rhs: trueSelector{}}, |
| 215 | }, |
| 216 | } |
| 217 | |
| 218 | for name, test := range tests { |
| 219 | t.Run(name, func(t *testing.T) { |
| 220 | require.GreaterOrEqual(t, len(test.srs), 2) |
| 221 | |
| 222 | s := Or(test.srs[0], test.srs[1], test.srs[2:]...) |
| 223 | assert.Equal(t, test.expected, s) |
| 224 | }) |
| 225 | } |
| 226 | } |