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61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
package querynode
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import (
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"container/list"
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"math"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestScheduler_defaultScheduleReadPolicy(t *testing.T) {
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readyReadTasks := list.New()
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for i := 1; i <= 10; i++ {
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t := mockReadTask{
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cpuUsage: int32(i * 10),
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}
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readyReadTasks.PushBack(&t)
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}
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scheduleFunc := defaultScheduleReadPolicy
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targetUsage := int32(100)
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maxNum := int32(2)
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tasks, cur := scheduleFunc(readyReadTasks, targetUsage, maxNum)
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assert.Equal(t, int32(30), cur)
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assert.Equal(t, int32(2), int32(len(tasks)))
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targetUsage = 300
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maxNum = 0
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tasks, cur = scheduleFunc(readyReadTasks, targetUsage, maxNum)
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assert.Equal(t, int32(0), cur)
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assert.Equal(t, 0, len(tasks))
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targetUsage = 0
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maxNum = 0
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tasks, cur = scheduleFunc(readyReadTasks, targetUsage, maxNum)
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assert.Equal(t, int32(0), cur)
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assert.Equal(t, 0, len(tasks))
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targetUsage = 0
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maxNum = 300
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tasks, cur = scheduleFunc(readyReadTasks, targetUsage, maxNum)
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assert.Equal(t, int32(0), cur)
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assert.Equal(t, 0, len(tasks))
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actual := int32(180) // sum(3..6) * 10 3 + 4 + 5 + 6
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targetUsage = int32(190) // > actual
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maxNum = math.MaxInt32
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tasks, cur = scheduleFunc(readyReadTasks, targetUsage, maxNum)
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assert.Equal(t, actual, cur)
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assert.Equal(t, 4, len(tasks))
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actual = 340 // sum(7..10) * 10 , 7+ 8 + 9 + 10
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targetUsage = 340
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maxNum = 4
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tasks, cur = scheduleFunc(readyReadTasks, targetUsage, maxNum)
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assert.Equal(t, actual, cur)
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assert.Equal(t, 4, len(tasks))
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}
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