package metrics import ( "fmt" "testing" ) func TestNewSet(t *testing.T) { var ss []*Set for i := 0; i < 10; i++ { s := NewSet() ss = append(ss, s) } for i := 0; i < 10; i++ { s := ss[i] for j := 0; j < 10; j++ { c := s.NewCounter(fmt.Sprintf("counter_%d", j)) c.Inc() if n := c.Get(); n != 1 { t.Fatalf("unexpected counter value; got %d; want %d", n, 1) } g := s.NewGauge(fmt.Sprintf("gauge_%d", j), func() float64 { return 123 }) if v := g.Get(); v != 123 { t.Fatalf("unexpected gauge value; got %v; want %v", v, 123) } sm := s.NewSummary(fmt.Sprintf("summary_%d", j)) if sm == nil { t.Fatalf("NewSummary returned nil") } } } }