65 lines
1.3 KiB
Go
65 lines
1.3 KiB
Go
package queueing
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import (
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"testing"
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"time"
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"github.com/prometheus/client_golang/prometheus"
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)
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func TestNormalQueueing(t *testing.T) {
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q := newQueue("queue name", 2, 1, time.Microsecond, prometheus.NewRegistry())
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err1 := q.Acquire()
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if err1 != nil {
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t.Fatal("we should acquire a new slot")
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}
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err2 := q.Acquire()
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if err2 != nil {
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t.Fatal("we should acquire a new slot")
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}
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err3 := q.Acquire()
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if err3 != ErrQueueingTimedout {
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t.Fatal("we should timeout")
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}
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q.Release()
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err4 := q.Acquire()
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if err4 != nil {
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t.Fatal("we should acquire a new slot")
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}
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}
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func TestQueueLimit(t *testing.T) {
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q := newQueue("queue name", 1, 0, time.Microsecond, prometheus.NewRegistry())
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err1 := q.Acquire()
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if err1 != nil {
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t.Fatal("we should acquire a new slot")
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}
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err2 := q.Acquire()
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if err2 != ErrTooManyRequests {
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t.Fatal("we should fail because of not enough slots in queue")
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}
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}
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func TestQueueProcessing(t *testing.T) {
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q := newQueue("queue name", 1, 1, time.Second, prometheus.NewRegistry())
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err1 := q.Acquire()
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if err1 != nil {
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t.Fatal("we should acquire a new slot")
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}
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go func() {
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time.Sleep(50 * time.Microsecond)
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q.Release()
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}()
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err2 := q.Acquire()
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if err2 != nil {
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t.Fatal("we should acquire slot after the previous one finished")
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}
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}
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