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|
package roadrunner
import (
"context"
"os/exec"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
var cfgSupervised = Config{
NumWorkers: int64(1),
AllocateTimeout: time.Second,
DestroyTimeout: time.Second,
Supervisor: &SupervisorConfig{
WatchTick: 1,
TTL: 100,
IdleTTL: 100,
ExecTTL: 100,
MaxWorkerMemory: 100,
},
}
func TestSupervisedPool_Exec(t *testing.T) {
ctx := context.Background()
p, err := NewPool(
ctx,
func() *exec.Cmd { return exec.Command("php", "tests/memleak.php", "pipes") },
NewPipeFactory(),
cfgSupervised,
)
assert.NoError(t, err)
assert.NotNil(t, p)
stopCh := make(chan struct{})
defer p.Destroy(context.Background())
go func() {
for {
select {
case <-stopCh:
return
default:
workers := p.Workers()
if len(workers) > 0 {
s, err := WorkerProcessState(workers[0])
assert.NoError(t, err)
assert.NotNil(t, s)
// since this is soft limit, double max memory limit watch
if (s.MemoryUsage / MB) > cfgSupervised.Supervisor.MaxWorkerMemory*2 {
assert.Fail(t, "max memory reached")
}
}
}
}
}()
for i := 0; i < 100; i++ {
time.Sleep(time.Millisecond * 50)
_, err = p.Exec(Payload{
Context: []byte(""),
Body: []byte("foo"),
})
assert.NoError(t, err)
}
stopCh <- struct{}{}
}
func TestSupervisedPool_ExecTTL_TimedOut(t *testing.T) {
var cfgExecTTL = Config{
NumWorkers: int64(1),
AllocateTimeout: time.Second,
DestroyTimeout: time.Second,
Supervisor: &SupervisorConfig{
WatchTick: 1,
TTL: 100,
IdleTTL: 100,
ExecTTL: 1,
MaxWorkerMemory: 100,
},
}
ctx := context.Background()
p, err := NewPool(
ctx,
func() *exec.Cmd { return exec.Command("php", "tests/sleep.php", "pipes") },
NewPipeFactory(),
cfgExecTTL,
)
assert.NoError(t, err)
assert.NotNil(t, p)
defer p.Destroy(context.Background())
pid := p.Workers()[0].Pid()
resp, err := p.ExecWithContext(context.Background(), Payload{
Context: []byte(""),
Body: []byte("foo"),
})
assert.Error(t, err)
assert.Empty(t, resp)
time.Sleep(time.Second * 1)
// should be new worker with new pid
assert.NotEqual(t, pid, p.Workers()[0].Pid())
}
func TestSupervisedPool_ExecTTL_OK(t *testing.T) {
var cfgExecTTL = Config{
NumWorkers: int64(1),
AllocateTimeout: time.Second,
DestroyTimeout: time.Second,
Supervisor: &SupervisorConfig{
WatchTick: 1,
TTL: 100,
IdleTTL: 100,
ExecTTL: 4,
MaxWorkerMemory: 100,
},
}
ctx := context.Background()
p, err := NewPool(
ctx,
func() *exec.Cmd { return exec.Command("php", "tests/sleep.php", "pipes") },
NewPipeFactory(),
cfgExecTTL,
)
assert.NoError(t, err)
assert.NotNil(t, p)
defer p.Destroy(context.Background())
pid := p.Workers()[0].Pid()
time.Sleep(time.Millisecond * 100)
resp, err := p.Exec(Payload{
Context: []byte(""),
Body: []byte("foo"),
})
assert.NoError(t, err)
assert.Empty(t, resp)
time.Sleep(time.Second * 1)
// should be the same pid
assert.Equal(t, pid, p.Workers()[0].Pid())
}
|
