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add e2e test for eagerScalingStrategy
Signed-off-by: June Han <sorrowitsch@gmail.com>
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tests/internals/scaling_strategies/eager_scaling_strategy_test.go
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//go:build e2e | ||
// +build e2e | ||
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package eager_scaling_strategy_test | ||
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import ( | ||
"fmt" | ||
"testing" | ||
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"github.com/joho/godotenv" | ||
"github.com/stretchr/testify/assert" | ||
"k8s.io/client-go/kubernetes" | ||
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// Other required imports | ||
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. "github.com/kedacore/keda/v2/tests/helper" // For helper methods | ||
. "github.com/kedacore/keda/v2/tests/scalers/rabbitmq" | ||
) | ||
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var _ = godotenv.Load("../../.env") // For loading env variables from .env | ||
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const ( | ||
testName = "eager-scaling-strategy-test" | ||
) | ||
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var ( | ||
testNamespace = fmt.Sprintf("%s-ns", testName) | ||
rmqNamespace = fmt.Sprintf("%s-rmq", testName) | ||
scaledJobName = fmt.Sprintf("%s-sj", testName) | ||
queueName = "hello" | ||
user = fmt.Sprintf("%s-user", testName) | ||
password = fmt.Sprintf("%s-password", testName) | ||
vhost = "/" | ||
connectionString = fmt.Sprintf("amqp://%s:%s@rabbitmq.%s.svc.cluster.local", user, password, rmqNamespace) | ||
) | ||
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// YAML templates for your Kubernetes resources | ||
const ( | ||
scaledJobTemplate = ` | ||
apiVersion: keda.sh/v1alpha1 | ||
kind: ScaledJob | ||
metadata: | ||
name: {{.ScaledJobName}} | ||
namespace: {{.TestNamespace}} | ||
labels: | ||
app: {{.ScaledJobName}} | ||
spec: | ||
jobTargetRef: | ||
template: | ||
spec: | ||
containers: | ||
- name: sleeper | ||
image: busybox | ||
command: | ||
- sleep | ||
- "300" | ||
imagePullPolicy: IfNotPresent | ||
restartPolicy: Never | ||
backoffLimit: 1 | ||
pollingInterval: 5 | ||
maxReplicaCount: 10 | ||
scalingStrategy: | ||
strategy: "eager" | ||
triggers: | ||
- type: rabbitmq | ||
metadata: | ||
queueName: {{.QueueName}} | ||
hostFromEnv: RabbitApiHost | ||
mode: QueueLength | ||
value: '1' | ||
` | ||
) | ||
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func TestScalingStrategy(t *testing.T) { | ||
setupTest(t) | ||
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kc := GetKubernetesClient(t) | ||
data, templates := getTemplateData() | ||
t.Cleanup(func() { | ||
DeleteKubernetesResources(t, testNamespace, data, templates) | ||
RMQUninstall(t, rmqNamespace, user, password, vhost, WithoutOAuth()) | ||
}) | ||
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RMQInstall(t, kc, rmqNamespace, user, password, vhost, WithoutOAuth()) | ||
CreateKubernetesResources(t, kc, testNamespace, data, templates) | ||
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testEagerScaling(t, kc) | ||
} | ||
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func getTemplateData() (templateData, []Template) { | ||
return templateData{ | ||
// Populate fields required in YAML templates | ||
ScaledJobName: scaledJobName, | ||
TestNamespace: testNamespace, | ||
QueueName: queueName, | ||
}, []Template{ | ||
{Name: "scaledJobTemplate", Config: scaledJobTemplate}, | ||
} | ||
} | ||
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func testEagerScaling(t *testing.T, kc *kubernetes.Clientset) { | ||
RMQPublishMessages(t, rmqNamespace, connectionString, queueName, 4) | ||
assert.True(t, WaitForScaledJobCount(t, kc, scaledJobName, testNamespace, 4, 20, 1), | ||
"job count should be %d after %d iterations", 4, iterationCount) | ||
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RMQPublishMessages(t, rmqNamespace, connectionString, queueName, 4) | ||
assert.True(t, WaitForScaledJobCount(t, kc, scaledJobName, testNamespace, 8, 20, 1), | ||
"job count should be %d after %d iterations", 8, iterationCount) | ||
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RMQPublishMessages(t, rmqNamespace, connectionString, queueName, 4) | ||
assert.True(t, WaitForScaledJobCount(t, kc, scaledJobName, testNamespace, 10, 20, 1), | ||
"job count should be %d after %d iterations", 10, iterationCount) | ||
} |