package api import ( "testing" "github.com/prometheus/common/model" ) func TestGenerateLabelStringWithRegex(t *testing.T) { query := generateLabelStringWithRegex(model.LabelSet{}, "key", "value") if query != "{key=~\"^value.*\"}" { t.Errorf("Expected 'key=~\"^value.+\"', got '%s'", query) } }