VictoriaMetrics/app/vmselect/promql/parser_test.go
2019-12-25 22:03:59 +02:00

50 lines
918 B
Go

package promql
import (
"testing"
)
func TestParseMetricSelectorSuccess(t *testing.T) {
f := func(s string) {
t.Helper()
tfs, err := ParseMetricSelector(s)
if err != nil {
t.Fatalf("unexpected error when parsing %q: %s", s, err)
}
if tfs == nil {
t.Fatalf("expecting non-nil tfs when parsing %q", s)
}
}
f("foo")
f(":foo")
f(" :fo:bar.baz")
f(`a{}`)
f(`{foo="bar"}`)
f(`{:f:oo=~"bar.+"}`)
f(`foo {bar != "baz"}`)
f(` foo { bar !~ "^ddd(x+)$", a="ss", __name__="sffd"} `)
f(`(foo)`)
}
func TestParseMetricSelectorError(t *testing.T) {
f := func(s string) {
t.Helper()
tfs, err := ParseMetricSelector(s)
if err == nil {
t.Fatalf("expecting non-nil error when parsing %q", s)
}
if tfs != nil {
t.Fatalf("expecting nil tfs when parsing %q", s)
}
}
f("")
f(`{}`)
f(`foo bar`)
f(`foo+bar`)
f(`sum(bar)`)
f(`x{y}`)
f(`x{y+z}`)
f(`foo[5m]`)
f(`foo offset 5m`)
}