| 8 | ) |
| 9 | |
| 10 | func Test_ExemplarV2ToLabels(t *testing.T) { |
| 11 | symbols := []string{"", "foo", "bar"} |
| 12 | b := &labels.ScratchBuilder{} |
| 13 | |
| 14 | tests := []struct { |
| 15 | desc string |
| 16 | e *ExemplarV2 |
| 17 | isErr bool |
| 18 | expectedLabels labels.Labels |
| 19 | }{ |
| 20 | { |
| 21 | desc: "Success", |
| 22 | e: &ExemplarV2{ |
| 23 | LabelsRefs: []uint32{1, 2}, |
| 24 | }, |
| 25 | expectedLabels: labels.FromStrings("foo", "bar"), |
| 26 | }, |
| 27 | { |
| 28 | desc: "Odd length of the label refs", |
| 29 | e: &ExemplarV2{ |
| 30 | LabelsRefs: []uint32{1}, |
| 31 | }, |
| 32 | isErr: true, |
| 33 | }, |
| 34 | { |
| 35 | desc: "Label name refs out of ranges", |
| 36 | e: &ExemplarV2{ |
| 37 | LabelsRefs: []uint32{10, 2}, |
| 38 | }, |
| 39 | isErr: true, |
| 40 | }, |
| 41 | { |
| 42 | desc: "Label value refs out of ranges", |
| 43 | e: &ExemplarV2{ |
| 44 | LabelsRefs: []uint32{1, 10}, |
| 45 | }, |
| 46 | isErr: true, |
| 47 | }, |
| 48 | } |
| 49 | |
| 50 | for _, test := range tests { |
| 51 | t.Run(test.desc, func(t *testing.T) { |
| 52 | lbs, err := test.e.ToLabels(b, symbols) |
| 53 | if test.isErr { |
| 54 | require.Error(t, err) |
| 55 | } else { |
| 56 | require.Equal(t, test.expectedLabels.String(), lbs.String()) |
| 57 | } |
| 58 | }) |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | func Test_TimeSeriesV2ToLabels(t *testing.T) { |
| 63 | symbols := []string{"", "__name__", "test_metric", "job", "prometheus", "instance", "server-1"} |