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// Copyright 2024 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package queue
import (
"context"
"testing"
"github.com/stretchr/testify/assert"
)
func TestRetryerOnRestart(t *testing.T) {
q := Plain()
retryerObj := Retry(q)
q.Submit(&Request{Important: true})
q.Submit(&Request{Important: false})
// The requests must be retried forever.
req1 := retryerObj.Next()
req2 := retryerObj.Next()
for i := 0; i < 10; i++ {
req1.Done(&Result{Status: Restarted})
req2.Done(&Result{Status: Restarted})
assert.Equal(t, req1, retryerObj.Next())
assert.Equal(t, req2, retryerObj.Next())
}
// Once successful, requests should no longer appear.
req1.Done(&Result{Status: Success})
req2.Done(&Result{Status: Success})
assert.Equal(t, Success, req1.Wait(context.Background()).Status)
assert.Equal(t, Success, req2.Wait(context.Background()).Status)
assert.Nil(t, retryerObj.Next())
assert.Nil(t, retryerObj.Next())
}
func TestRetryerOnCrash(t *testing.T) {
q := Plain()
retryerObj := Retry(q)
// Unimportant requests will not be retried.
req := &Request{Important: false}
q.Submit(req)
assert.Equal(t, req, retryerObj.Next())
req.Done(&Result{Status: Crashed})
assert.Nil(t, retryerObj.Next())
assert.Equal(t, Crashed, req.Wait(context.Background()).Status)
// Important requests will be retried once.
req = &Request{Important: true}
q.Submit(req)
assert.Equal(t, req, retryerObj.Next())
req.Done(&Result{Status: Crashed})
assert.Equal(t, req, retryerObj.Next())
req.Done(&Result{Status: Success})
assert.Nil(t, retryerObj.Next())
assert.Equal(t, Success, req.Wait(context.Background()).Status)
// .. but not more than once.
req = &Request{Important: true}
q.Submit(req)
assert.Equal(t, req, retryerObj.Next())
req.Done(&Result{Status: Crashed})
assert.Equal(t, req, retryerObj.Next())
req.Done(&Result{Status: Crashed})
assert.Nil(t, retryerObj.Next())
assert.Equal(t, Crashed, req.Wait(context.Background()).Status)
}
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