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deployment_test.go
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deployment_test.go
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package kubernetes
import (
"context"
"github.com/stretchr/testify/require"
appsv1 "k8s.io/api/apps/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client/fake"
"testing"
)
func TestDeploymentProber_IsReady(t *testing.T) {
tests := []struct {
summary string
desiredScheduled int32
numberReady int32
expected bool
}{
{summary: "all scheduled all ready", desiredScheduled: 1, numberReady: 1, expected: true},
{summary: "all scheduled one ready", desiredScheduled: 2, numberReady: 1, expected: false},
{summary: "all scheduled zero ready", desiredScheduled: 1, numberReady: 0, expected: false},
}
for _, test := range tests {
tc := test
t.Run(tc.summary, func(t *testing.T) {
t.Parallel()
matchLabels := make(map[string]string)
matchLabels["test.deployment.name"] = "test-deployment"
deployment := &appsv1.Deployment{
ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "kyma-system"},
Spec: appsv1.DeploymentSpec{
Replicas: &tc.desiredScheduled,
Selector: &metav1.LabelSelector{MatchLabels: matchLabels},
},
Status: appsv1.DeploymentStatus{
ReadyReplicas: tc.numberReady,
},
}
rs := &appsv1.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "kyma-system",
Labels: deployment.Spec.Selector.MatchLabels,
OwnerReferences: []metav1.OwnerReference{*metav1.NewControllerRef(deployment, deployment.GroupVersionKind())},
},
Spec: appsv1.ReplicaSetSpec{
Selector: deployment.Spec.Selector,
Replicas: &tc.desiredScheduled,
Template: deployment.Spec.Template,
},
Status: appsv1.ReplicaSetStatus{
ReadyReplicas: tc.numberReady,
Replicas: tc.numberReady,
},
}
itemList := make([]appsv1.ReplicaSet, 1)
itemList = append(itemList, *rs)
rsList := &appsv1.ReplicaSetList{
Items: itemList,
}
fakeClient := fake.NewClientBuilder().WithObjects(deployment).WithLists(rsList).Build()
sut := DeploymentProber{fakeClient}
ready, err := sut.IsReady(context.Background(), types.NamespacedName{Name: "foo", Namespace: "kyma-system"})
require.NoError(t, err)
require.Equal(t, tc.expected, ready)
})
}
}