| 12 | ) |
| 13 | |
| 14 | func TestCombine(t *testing.T) { |
| 15 | t1 := test.MakeTrace(10, []byte{0x01, 0x02}) |
| 16 | t2 := test.MakeTrace(10, []byte{0x01, 0x03}) |
| 17 | |
| 18 | trace.SortTrace(t1) |
| 19 | trace.SortTrace(t2) |
| 20 | |
| 21 | // split t2 into two traces |
| 22 | t2a := &tempopb.Trace{} |
| 23 | t2b := &tempopb.Trace{} |
| 24 | t2c := &tempopb.Trace{} |
| 25 | for _, b := range t2.ResourceSpans { |
| 26 | switch rand.Int() % 3 { |
| 27 | case 0: |
| 28 | t2a.ResourceSpans = append(t2a.ResourceSpans, b) |
| 29 | case 1: |
| 30 | t2b.ResourceSpans = append(t2b.ResourceSpans, b) |
| 31 | case 2: |
| 32 | t2c.ResourceSpans = append(t2c.ResourceSpans, b) |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | tests := []struct { |
| 37 | name string |
| 38 | traces [][]byte |
| 39 | expected *tempopb.Trace |
| 40 | expectError bool |
| 41 | expectCombined bool |
| 42 | }{ |
| 43 | { |
| 44 | name: "no traces", |
| 45 | expectError: true, |
| 46 | }, |
| 47 | { |
| 48 | name: "same trace", |
| 49 | traces: [][]byte{mustMarshalToObject(t1, CurrentEncoding), mustMarshalToObject(t1, CurrentEncoding)}, |
| 50 | expected: t1, |
| 51 | }, |
| 52 | { |
| 53 | name: "3 traces", |
| 54 | traces: [][]byte{mustMarshalToObject(t2a, CurrentEncoding), mustMarshalToObject(t2b, CurrentEncoding), mustMarshalToObject(t2c, CurrentEncoding)}, |
| 55 | expected: t2, |
| 56 | expectCombined: true, |
| 57 | }, |
| 58 | { |
| 59 | name: "1 trace", |
| 60 | traces: [][]byte{mustMarshalToObject(t1, CurrentEncoding)}, |
| 61 | expected: t1, |
| 62 | }, |
| 63 | { |
| 64 | name: "nil trace", |
| 65 | traces: [][]byte{mustMarshalToObject(t1, CurrentEncoding), nil}, |
| 66 | expected: t1, |
| 67 | expectCombined: true, |
| 68 | }, |
| 69 | { |
| 70 | name: "nil trace 2", |
| 71 | traces: [][]byte{nil, mustMarshalToObject(t1, CurrentEncoding)}, |