hybridgroup.gobot/utils_test.go

87 lines
1.5 KiB
Go

package gobot
import (
"fmt"
"testing"
"time"
)
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 TestAfter(t *testing.T) {
i := 0
After(1*time.Millisecond, func() {
i++
})
<-time.After(2 * time.Millisecond)
Assert(t, i, 1)
}
func TestPublish(t *testing.T) {
e := &Event{Chan: make(chan interface{}, 1)}
Publish(e, 1)
Publish(e, 2)
Publish(e, 3)
Publish(e, 4)
i := <-e.Chan
Assert(t, i, 1)
}
func TestOn(t *testing.T) {
var i int
e := NewEvent()
On(e, func(data interface{}) {
i = data.(int)
})
Publish(e, 10)
<-time.After(1 * time.Millisecond)
Assert(t, i, 10)
}
func TestOnce(t *testing.T) {
i := 0
e := NewEvent()
Once(e, func(data interface{}) {
i += data.(int)
})
On(e, func(data interface{}) {
i += data.(int)
})
Publish(e, 10)
<-time.After(1 * time.Millisecond)
Publish(e, 10)
<-time.After(1 * time.Millisecond)
Assert(t, i, 30)
}
func TestFromScale(t *testing.T) {
Assert(t, FromScale(5, 0, 10), 0.5)
}
func TestToScale(t *testing.T) {
Assert(t, ToScale(500, 0, 10), 10.0)
Assert(t, ToScale(-1, 0, 10), 0.0)
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))
}
}