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executor_test.go
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executor_test.go
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package executor
import (
"sync"
"sync/atomic"
"testing"
"time"
"github.com/stretchr/testify/suite"
)
type ExecutorTestSuite struct {
suite.Suite
}
func (s *ExecutorTestSuite) TestJobExecuted() {
executor, err := NewExecutor(DefaultExecutorParams())
s.Nil(err)
x := 1
invC := make(chan struct{})
err = executor.Submit(func() {
x++
close(invC)
})
s.Nil(err)
<-invC
s.Equal(2, x)
executor.Stop()
}
func (s *ExecutorTestSuite) TestJobsFinished() {
executor, err := NewExecutor(DefaultExecutorParams())
s.Nil(err)
var wg sync.WaitGroup
wg.Add(10)
for i := 0; i < 10; i++ {
executor.Submit(func() {
wg.Done()
})
}
wg.Wait()
}
func (s *ExecutorTestSuite) TestJobTruncated() {
p := DefaultExecutorParams()
p.ShutdownTimeout = 5 * time.Second
p.MaxJobQueueWaitTime = 1 * time.Second
p.NumWorkers = 1
executed := int32(0)
executor, err := NewExecutor(p)
s.Nil(err)
invC := make(chan struct{})
executor.Submit(func() {
close(invC)
atomic.AddInt32(&executed, 1)
time.Sleep(5 * time.Second)
})
<-invC
for i := 0; i < 10; i++ {
executor.Submit(func() { atomic.AddInt32(&executed, 1) })
}
executor.Stop()
s.Equal(int32(1), executed)
}
func (s *ExecutorTestSuite) TestJobRejected() {
p := DefaultExecutorParams()
p.ShutdownTimeout = 5 * time.Second
p.MaxJobQueueWaitTime = 1 * time.Second
p.MaxJobQueueCapacity = 1
p.NumWorkers = 1
executor, err := NewExecutor(p)
s.Nil(err)
executed := int32(0)
invC := make(chan struct{})
executor.Submit(func() {
close(invC)
atomic.AddInt32(&executed, 1)
time.Sleep(5 * time.Second)
})
<-invC
err = executor.Submit(func() { atomic.AddInt32(&executed, 1) })
s.Nil(err)
err = executor.Submit(func() { atomic.AddInt32(&executed, 1) })
s.NotNil(err)
executor.Stop()
s.Equal(int32(1), executed)
}
func (s *ExecutorTestSuite) TestGracefulShutdown() {
p := DefaultExecutorParams()
p.ShutdownTimeout = 100 * time.Second
p.MaxJobQueueWaitTime = 100 * time.Second
executor, err := NewExecutor(p)
s.Nil(err)
executed := int32(0)
var wg, wg2 sync.WaitGroup
wg.Add(1)
wg2.Add(p.NumWorkers)
for i := 0; i < p.NumWorkers; i++ {
executor.Submit(func() {
wg2.Done()
wg.Wait()
atomic.AddInt32(&executed, 1)
})
}
done := make(chan struct{})
wg2.Wait()
go func() {
executor.Stop()
close(done)
}()
wg.Done()
<-done
s.Equal(int32(p.NumWorkers), executed)
}
func TestExecutorTestSuite(t *testing.T) {
suite.Run(t, new(ExecutorTestSuite))
}