hybridgroup.gobot/utils_test.go

66 lines
1.2 KiB
Go

package gobot
import (
"fmt"
"testing"
"time"
"github.com/hybridgroup/gobot/gobottest"
)
func TestEvery(t *testing.T) {
i := 0
begin := time.Now().UnixNano()
sem := make(chan int64, 1)
Every(2*time.Millisecond, func() {
i++
if i == 2 {
sem <- time.Now().UnixNano()
}
})
end := <-sem
if end-begin < 4000000 {
t.Error("Test should have taken at least 4 milliseconds")
}
}
func TestEveryWhenDone(t *testing.T) {
i := 0
done := Every(20*time.Millisecond, func() {
i++
})
<-time.After(10 * time.Millisecond)
done <- true
<-time.After(50 * time.Millisecond)
if i > 1 {
t.Error("Test should have stopped after 20ms")
}
}
func TestAfter(t *testing.T) {
i := 0
After(1*time.Millisecond, func() {
i++
})
<-time.After(2 * time.Millisecond)
gobottest.Assert(t, i, 1)
}
func TestFromScale(t *testing.T) {
gobottest.Assert(t, FromScale(5, 0, 10), 0.5)
}
func TestToScale(t *testing.T) {
gobottest.Assert(t, ToScale(500, 0, 10), 10.0)
gobottest.Assert(t, ToScale(-1, 0, 10), 0.0)
gobottest.Assert(t, ToScale(0.5, 0, 10), 5.0)
}
func TestRand(t *testing.T) {
a := Rand(1000)
b := Rand(1000)
if a == b {
t.Error(fmt.Sprintf("%v should not equal %v", a, b))
}
}