package agent

import (
	"testing"
	"time"
)

func TestAEScale(t *testing.T) {
	intv := time.Minute
	if v := aeScale(intv, 100); v != intv {
		t.Fatalf("Bad: %v", v)
	}
	if v := aeScale(intv, 200); v != 2*intv {
		t.Fatalf("Bad: %v", v)
	}
	if v := aeScale(intv, 1000); v != 4*intv {
		t.Fatalf("Bad: %v", v)
	}
	if v := aeScale(intv, 10000); v != 8*intv {
		t.Fatalf("Bad: %v", v)
	}
}

func TestRandomStagger(t *testing.T) {
	intv := time.Minute
	for i := 0; i < 10; i++ {
		stagger := randomStagger(intv)
		if stagger < 0 || stagger >= intv {
			t.Fatalf("Bad: %v", stagger)
		}
	}
}

func TestStringHash(t *testing.T) {
	in := "hello world"
	expected := "5eb63bbbe01eeed093cb22bb8f5acdc3"

	if out := stringHash(in); out != expected {
		t.Fatalf("bad: %s", out)
	}
}