| 47 | } |
| 48 | |
| 49 | func TestMetaExpr_Last(t *testing.T) { |
| 50 | tt := map[string]struct { |
| 51 | meta MetaExpr |
| 52 | value string |
| 53 | ok bool |
| 54 | }{ |
| 55 | "no-key": { |
| 56 | MetaExpr{}, |
| 57 | "", |
| 58 | false, |
| 59 | }, |
| 60 | "key-no-values": { |
| 61 | MetaExpr{ |
| 62 | "test:key": []string{}, |
| 63 | }, |
| 64 | "", |
| 65 | false, |
| 66 | }, |
| 67 | "key-with-one-value": { |
| 68 | MetaExpr{ |
| 69 | "test:key": []string{ |
| 70 | "value-one", |
| 71 | }, |
| 72 | }, |
| 73 | "value-one", |
| 74 | true, |
| 75 | }, |
| 76 | "key-with-multiple-values": { |
| 77 | MetaExpr{ |
| 78 | "test:key": []string{ |
| 79 | "value-one", |
| 80 | "value-two", |
| 81 | "value-n", |
| 82 | }, |
| 83 | }, |
| 84 | "value-n", |
| 85 | true, |
| 86 | }, |
| 87 | } |
| 88 | |
| 89 | for name, tc := range tt { |
| 90 | t.Run(name, func(t *testing.T) { |
| 91 | value, ok := tc.meta.Last("test:key") |
| 92 | if tc.ok != ok { |
| 93 | t.Errorf("expected ok to be %v, got %v", tc.ok, ok) |
| 94 | } |
| 95 | if tc.value != value { |
| 96 | t.Errorf("expected value to be %s, got %s", value, value) |
| 97 | } |
| 98 | }) |
| 99 | } |
| 100 | } |