cloudflare/pint
Publicmirrored from https://github.com/cloudflare/pintAvailable
internal/parser/utils/rate_test.go
94lines · modecode
| 1 | package utils_test |
| 2 | |
| 3 | import ( |
| 4 | "testing" |
| 5 | |
| 6 | "github.com/stretchr/testify/require" |
| 7 | |
| 8 | "github.com/cloudflare/pint/internal/parser" |
| 9 | "github.com/cloudflare/pint/internal/parser/utils" |
| 10 | ) |
| 11 | |
| 12 | func TestHasOuterRate(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: "rate(foo[2m])", |
| 24 | output: []string{"rate(foo[2m])"}, |
| 25 | }, |
| 26 | { |
| 27 | expr: "rate(foo[2m]) > 0", |
| 28 | output: []string{"rate(foo[2m])"}, |
| 29 | }, |
| 30 | { |
| 31 | expr: "rate(foo[2m]) / sum(rate(bar[2m]))", |
| 32 | output: []string{"rate(foo[2m])"}, |
| 33 | }, |
| 34 | { |
| 35 | expr: "sum(rate(foo[2m])) > 0", |
| 36 | output: []string{"rate(foo[2m])"}, |
| 37 | }, |
| 38 | { |
| 39 | expr: "count(rate(foo[2m])) > 0", |
| 40 | }, |
| 41 | { |
| 42 | expr: "count_values(\"foo\", rate(foo[2m])) > 0", |
| 43 | }, |
| 44 | { |
| 45 | expr: "floor(rate(foo[2m])) > 0", |
| 46 | }, |
| 47 | { |
| 48 | expr: "ceil(rate(foo[2m])) > 0", |
| 49 | }, |
| 50 | { |
| 51 | expr: "rate(foo[2m]) or irate(foo[2m])", |
| 52 | output: []string{"rate(foo[2m])", "irate(foo[2m])"}, |
| 53 | }, |
| 54 | { |
| 55 | expr: "rate(foo[2m]) * on() irate(foo[2m])", |
| 56 | output: []string{"rate(foo[2m])", "irate(foo[2m])"}, |
| 57 | }, |
| 58 | { |
| 59 | expr: "sum(foo) without() * on() group_left(instance) sum(deriv(foo[2m]))", |
| 60 | }, |
| 61 | { |
| 62 | expr: "sum(foo) without(job) * on() group_right(instance) sum(deriv(foo[2m]))", |
| 63 | output: []string{"deriv(foo[2m])"}, |
| 64 | }, |
| 65 | { |
| 66 | expr: "2 > foo", |
| 67 | }, |
| 68 | { |
| 69 | expr: "2 > rate(foo[2m])", |
| 70 | }, |
| 71 | } |
| 72 | |
| 73 | for _, tc := range testCases { |
| 74 | t.Run(tc.expr, func(t *testing.T) { |
| 75 | n, err := parser.DecodeExpr(tc.expr) |
| 76 | if err != nil { |
| 77 | t.Error(err) |
| 78 | t.FailNow() |
| 79 | } |
| 80 | calls := utils.HasOuterRate(n) |
| 81 | if len(calls) == 0 { |
| 82 | if len(tc.output) > 0 { |
| 83 | t.Errorf("HasOuterRate() returned nil, expected %s", tc.output) |
| 84 | } |
| 85 | } else { |
| 86 | output := []string{} |
| 87 | for _, a := range calls { |
| 88 | output = append(output, a.String()) |
| 89 | } |
| 90 | require.Equal(t, tc.output, output, "HasOuterRate() returned wrong output") |
| 91 | } |
| 92 | }) |
| 93 | } |
| 94 | } |