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controller_test.go
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controller_test.go
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package controller_test
import (
"testing"
"github.com/practo/k8s-worker-pod-autoscaler/pkg/controller"
)
// TestScaleDownWhenQueueMessagesLessThanTarget tests scale down
// when unprocessed messages is less than targetMessagesPerWorker #89
func TestScaleDownWhenQueueMessagesLessThanTarget(t *testing.T) {
queueName := "otpsms"
queueMessages := int32(10)
messagesSentPerMinute := float64(10)
secondsToProcessOneJob := float64(0.3)
targetMessagesPerWorker := int32(200)
currentWorkers := int32(20)
idleWorkers := int32(0)
minWorkers := int32(0)
maxWorkers := int32(20)
maxDisruption := "10%"
expectedDesired := int32(18)
desiredWorkers := controller.GetDesiredWorkers(
queueName,
queueMessages,
messagesSentPerMinute,
secondsToProcessOneJob,
targetMessagesPerWorker,
currentWorkers,
idleWorkers,
minWorkers,
maxWorkers,
&maxDisruption,
)
if desiredWorkers != expectedDesired {
t.Errorf("expected-desired=%v, got-desired=%v\n", expectedDesired,
desiredWorkers)
}
}
// TestScaleUpWhenCalculatedMinIsGreaterThanMax
// when calculated min is greater than max
func TestScaleUpWhenCalculatedMinIsGreaterThanMax(t *testing.T) {
queueName := "otpsms"
queueMessages := int32(1)
messagesSentPerMinute := float64(2136.6)
secondsToProcessOneJob := float64(10)
targetMessagesPerWorker := int32(2500)
currentWorkers := int32(10)
idleWorkers := int32(0)
minWorkers := int32(2)
maxWorkers := int32(20)
maxDisruption := "0%"
expectedDesired := int32(20)
desiredWorkers := controller.GetDesiredWorkers(
queueName,
queueMessages,
messagesSentPerMinute,
secondsToProcessOneJob,
targetMessagesPerWorker,
currentWorkers,
idleWorkers,
minWorkers,
maxWorkers,
&maxDisruption,
)
if desiredWorkers != expectedDesired {
t.Errorf("expected-desired=%v, got-desired=%v\n", expectedDesired,
desiredWorkers)
}
}