github.com/Jeffail/benthos/v3@v3.65.0/lib/processor/throttle_test.go (about)

     1  package processor
     2  
     3  import (
     4  	"testing"
     5  	"time"
     6  
     7  	"github.com/Jeffail/benthos/v3/lib/log"
     8  	"github.com/Jeffail/benthos/v3/lib/message"
     9  	"github.com/Jeffail/benthos/v3/lib/metrics"
    10  )
    11  
    12  func TestThrottle(t *testing.T) {
    13  	conf := NewConfig()
    14  	conf.Type = TypeThrottle
    15  	conf.Throttle.Period = "1ns"
    16  
    17  	throt, err := New(conf, nil, log.Noop(), metrics.Noop())
    18  	if err != nil {
    19  		t.Fatal(err)
    20  	}
    21  
    22  	msgIn := message.New(nil)
    23  	msgsOut, res := throt.ProcessMessage(msgIn)
    24  	if res != nil {
    25  		t.Fatal(res.Error())
    26  	}
    27  
    28  	if exp, act := msgIn, msgsOut[0]; exp != act {
    29  		t.Errorf("Wrong message returned: %v != %v", act, exp)
    30  	}
    31  }
    32  
    33  func TestThrottle200Millisecond(t *testing.T) {
    34  	conf := NewConfig()
    35  	conf.Type = TypeThrottle
    36  	conf.Throttle.Period = "200ms"
    37  
    38  	throt, err := New(conf, nil, log.Noop(), metrics.Noop())
    39  	if err != nil {
    40  		t.Fatal(err)
    41  	}
    42  
    43  	tBefore := time.Now()
    44  	throt.ProcessMessage(message.New(nil))
    45  	tBetween := time.Now()
    46  	throt.ProcessMessage(message.New(nil))
    47  	tAfter := time.Now()
    48  
    49  	if dur := tBetween.Sub(tBefore); dur > (time.Millisecond * 50) {
    50  		t.Errorf("First message took too long")
    51  	}
    52  	if dur := tAfter.Sub(tBetween); dur < (time.Millisecond * 200) {
    53  		t.Errorf("First message didn't take long enough")
    54  	}
    55  }
    56  
    57  func TestThrottleBadPeriod(t *testing.T) {
    58  	conf := NewConfig()
    59  	conf.Type = TypeThrottle
    60  	conf.Throttle.Period = "1gfdfgfdns"
    61  
    62  	_, err := New(conf, nil, log.Noop(), metrics.Noop())
    63  	if err == nil {
    64  		t.Error("Expected error from bad duration")
    65  	}
    66  }