cloudflare/pint
Publicmirrored from https://github.com/cloudflare/pintAvailable
internal/parser/utils/aggregation_test.go
119lines · modecode
| 1 | package utils_test |
| 2 | |
| 3 | import ( |
| 4 | "testing" |
| 5 | |
| 6 | "github.com/google/go-cmp/cmp" |
| 7 | |
| 8 | "github.com/cloudflare/pint/internal/parser" |
| 9 | "github.com/cloudflare/pint/internal/parser/utils" |
| 10 | ) |
| 11 | |
| 12 | func TestHasOuterAggregation(t *testing.T) { |
| 13 | type testCaseT struct { |
| 14 | expr string |
| 15 | output []string |
| 16 | } |
| 17 | |
| 18 | testCases := []testCaseT{ |
| 19 | { |
| 20 | expr: "foo", |
| 21 | }, |
| 22 | { |
| 23 | expr: "sum(foo)", |
| 24 | output: []string{"sum(foo)"}, |
| 25 | }, |
| 26 | { |
| 27 | expr: "sum(foo) by(job)", |
| 28 | output: []string{"sum by(job) (foo)"}, |
| 29 | }, |
| 30 | { |
| 31 | expr: "sum(foo) without(job)", |
| 32 | output: []string{"sum without(job) (foo)"}, |
| 33 | }, |
| 34 | { |
| 35 | expr: "1 + sum(foo)", |
| 36 | output: []string{"sum(foo)"}, |
| 37 | }, |
| 38 | { |
| 39 | expr: "vector(0) or sum(foo)", |
| 40 | output: []string{"sum(foo)"}, |
| 41 | }, |
| 42 | { |
| 43 | expr: "sum(foo) or vector(0)", |
| 44 | output: []string{"sum(foo)"}, |
| 45 | }, |
| 46 | { |
| 47 | expr: "sum(foo) + sum(bar)", |
| 48 | output: []string{"sum(foo)", "sum(bar)"}, |
| 49 | }, |
| 50 | { |
| 51 | expr: "foo / on(bbb) sum(bar)", |
| 52 | }, |
| 53 | { |
| 54 | expr: "sum(foo) / on(bbb) sum(bar)", |
| 55 | output: []string{"sum(foo)"}, |
| 56 | }, |
| 57 | { |
| 58 | expr: "sum(foo) OR sum(bar) by(job)", |
| 59 | output: []string{"sum(foo)", "sum by(job) (bar)"}, |
| 60 | }, |
| 61 | { |
| 62 | expr: "foo OR sum(foo) OR sum(bar) by(job)", |
| 63 | output: []string{"sum(foo)", "sum by(job) (bar)"}, |
| 64 | }, |
| 65 | { |
| 66 | expr: "1 + sum(foo) by(job) + sum(foo) by(notjob)", |
| 67 | output: []string{"sum by(job) (foo)", "sum by(notjob) (foo)"}, |
| 68 | }, |
| 69 | { |
| 70 | expr: "sum(foo) by (job) > count(bar)", |
| 71 | output: []string{"sum by(job) (foo)"}, |
| 72 | }, |
| 73 | { |
| 74 | expr: "sum(foo) by (job) > count(foo) / 2 or sum(bar) by (job) > count(bar)", |
| 75 | output: []string{"sum by(job) (foo)", "sum by(job) (bar)"}, |
| 76 | }, |
| 77 | { |
| 78 | expr: "(foo unless on(instance, version, package) bar) and on(instance) (sum(enabled) by(instance) > 0)", |
| 79 | output: []string{}, |
| 80 | }, |
| 81 | { |
| 82 | expr: "count(build_info) by (instance, version) != ignoring(bar) group_left(package) count(foo) by (instance, version, package)", |
| 83 | output: []string{"count by(instance, version, package) (build_info)"}, |
| 84 | }, |
| 85 | { |
| 86 | expr: "sum(foo) without() != on() group_left(instance) sum(vector(0))", |
| 87 | output: []string{"sum without() (foo)"}, |
| 88 | }, |
| 89 | { |
| 90 | expr: "sum(foo) != on() group_right(instance) sum(vector(0))", |
| 91 | output: []string{"sum by(instance) (vector(0))"}, |
| 92 | }, |
| 93 | } |
| 94 | |
| 95 | for _, tc := range testCases { |
| 96 | t.Run(tc.expr, func(t *testing.T) { |
| 97 | n, err := parser.DecodeExpr(tc.expr) |
| 98 | if err != nil { |
| 99 | t.Error(err) |
| 100 | t.FailNow() |
| 101 | } |
| 102 | aggs := utils.HasOuterAggregation(n) |
| 103 | if len(aggs) == 0 { |
| 104 | if len(tc.output) > 0 { |
| 105 | t.Errorf("HasOuterAggregation() returned nil, expected %s", tc.output) |
| 106 | } |
| 107 | } else { |
| 108 | output := []string{} |
| 109 | for _, a := range aggs { |
| 110 | output = append(output, a.String()) |
| 111 | } |
| 112 | if diff := cmp.Diff(tc.output, output); diff != "" { |
| 113 | t.Errorf("HasOuterAggregation() returned wrong result (-want +got):\n%s", diff) |
| 114 | return |
| 115 | } |
| 116 | } |
| 117 | }) |
| 118 | } |
| 119 | } |
| 120 | |