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| 1 | +/* |
| 2 | +Copyright 2026 The Knative Authors |
| 3 | +
|
| 4 | +Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | +you may not use this file except in compliance with the License. |
| 6 | +You may obtain a copy of the License at |
| 7 | +
|
| 8 | + http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | +
|
| 10 | +Unless required by applicable law or agreed to in writing, software |
| 11 | +distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | +See the License for the specific language governing permissions and |
| 14 | +limitations under the License. |
| 15 | +*/ |
| 16 | + |
| 17 | +package delivery |
| 18 | + |
| 19 | +import ( |
| 20 | + "context" |
| 21 | + "fmt" |
| 22 | + "time" |
| 23 | + |
| 24 | + cetest "github.com/cloudevents/sdk-go/v2/test" |
| 25 | + "github.com/stretchr/testify/require" |
| 26 | + corev1 "k8s.io/api/core/v1" |
| 27 | + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| 28 | + "k8s.io/apimachinery/pkg/runtime/schema" |
| 29 | + duckv1 "knative.dev/pkg/apis/duck/v1" |
| 30 | + "knative.dev/reconciler-test/pkg/environment" |
| 31 | + "knative.dev/reconciler-test/pkg/eventshub" |
| 32 | + "knative.dev/reconciler-test/pkg/feature" |
| 33 | + "knative.dev/reconciler-test/pkg/k8s" |
| 34 | + |
| 35 | + natssv1alpha1 "knative.dev/eventing-natss/pkg/apis/messaging/v1alpha1" |
| 36 | + brokerconstants "knative.dev/eventing-natss/pkg/broker/constants" |
| 37 | + natssclient "knative.dev/eventing-natss/pkg/client/injection/client" |
| 38 | + eventingduckv1 "knative.dev/eventing/pkg/apis/duck/v1" |
| 39 | + eventingv1 "knative.dev/eventing/pkg/apis/eventing/v1" |
| 40 | + messagingv1 "knative.dev/eventing/pkg/apis/messaging/v1" |
| 41 | + eventingclient "knative.dev/eventing/pkg/client/injection/client" |
| 42 | +) |
| 43 | + |
| 44 | +var ( |
| 45 | + brokerGVR = eventingv1.SchemeGroupVersion.WithResource("brokers") |
| 46 | + triggerGVR = eventingv1.SchemeGroupVersion.WithResource("triggers") |
| 47 | + subscriptionGVR = messagingv1.SchemeGroupVersion.WithResource("subscriptions") |
| 48 | + natsChannelGVR = natssv1alpha1.SchemeGroupVersion.WithResource("natsjetstreamchannels") |
| 49 | + serviceGVR = corev1.SchemeGroupVersion.WithResource("services") |
| 50 | +) |
| 51 | + |
| 52 | +type deliveryRoute int |
| 53 | + |
| 54 | +const ( |
| 55 | + brokerRoute deliveryRoute = iota |
| 56 | + channelRoute |
| 57 | +) |
| 58 | + |
| 59 | +type retryBehavior struct { |
| 60 | + retries int32 |
| 61 | + responseCode int |
| 62 | + responseHeaders map[string]string |
| 63 | + delivery *eventingduckv1.DeliverySpec |
| 64 | + expectedIntervals []time.Duration |
| 65 | + rejectedStep string |
| 66 | + receivedStep string |
| 67 | + timingStep string |
| 68 | +} |
| 69 | + |
| 70 | +func newDeliveryFeature(name, resourcePrefix string, route deliveryRoute, behavior retryBehavior) *feature.Feature { |
| 71 | + receiverName := feature.MakeRandomK8sName(resourcePrefix + "-receiver") |
| 72 | + senderName := feature.MakeRandomK8sName(resourcePrefix + "-sender") |
| 73 | + event := cetest.FullEvent() |
| 74 | + |
| 75 | + receiverOptions := []eventshub.EventsHubOption{ |
| 76 | + eventshub.StartReceiver, |
| 77 | + eventshub.DropFirstN(uint(behavior.retries)), |
| 78 | + eventshub.DropEventsResponseCode(behavior.responseCode), |
| 79 | + } |
| 80 | + if len(behavior.responseHeaders) > 0 { |
| 81 | + receiverOptions = append(receiverOptions, eventshub.DropEventsResponseHeaders(behavior.responseHeaders)) |
| 82 | + } |
| 83 | + |
| 84 | + f := feature.NewFeatureNamed(name) |
| 85 | + f.Setup("install receiver", eventshub.Install(receiverName, receiverOptions...)) |
| 86 | + |
| 87 | + var target schema.GroupVersionResource |
| 88 | + var targetName string |
| 89 | + switch route { |
| 90 | + case brokerRoute: |
| 91 | + target = brokerGVR |
| 92 | + targetName = feature.MakeRandomK8sName(resourcePrefix + "-broker") |
| 93 | + triggerName := feature.MakeRandomK8sName(resourcePrefix + "-trigger") |
| 94 | + f.Setup("install broker", installBroker(targetName)) |
| 95 | + f.Setup("install trigger", installTrigger(targetName, triggerName, receiverName, behavior.delivery)) |
| 96 | + f.Requirement("receiver is addressable", k8s.IsAddressable(serviceGVR, receiverName, time.Second, time.Minute)) |
| 97 | + f.Requirement("broker is ready", k8s.IsReady(brokerGVR, targetName, time.Second, 3*time.Minute)) |
| 98 | + f.Requirement("trigger is ready", k8s.IsReady(triggerGVR, triggerName, time.Second, 3*time.Minute)) |
| 99 | + case channelRoute: |
| 100 | + target = natsChannelGVR |
| 101 | + targetName = feature.MakeRandomK8sName(resourcePrefix + "-channel") |
| 102 | + subscriptionName := feature.MakeRandomK8sName(resourcePrefix + "-subscription") |
| 103 | + f.Setup("install channel", installChannel(targetName, behavior.delivery)) |
| 104 | + f.Setup("install subscription", installSubscription(targetName, subscriptionName, receiverName)) |
| 105 | + f.Requirement("receiver is addressable", k8s.IsAddressable(serviceGVR, receiverName, time.Second, time.Minute)) |
| 106 | + f.Requirement("channel is ready", k8s.IsReady(natsChannelGVR, targetName, time.Second, 3*time.Minute)) |
| 107 | + f.Requirement("subscription is ready", k8s.IsReady(subscriptionGVR, subscriptionName, time.Second, 3*time.Minute)) |
| 108 | + default: |
| 109 | + panic(fmt.Sprintf("unsupported delivery route %d", route)) |
| 110 | + } |
| 111 | + |
| 112 | + f.Assert("send event", eventshub.Install( |
| 113 | + senderName, |
| 114 | + eventshub.StartSenderToResource(target, targetName), |
| 115 | + eventshub.InputEvent(event), |
| 116 | + )) |
| 117 | + f.Assert(behavior.rejectedStep, assertExact(receiverName, int(behavior.retries), eventWithKind(event.ID(), eventshub.EventRejected))) |
| 118 | + f.Assert(behavior.receivedStep, assertExact(receiverName, 1, eventWithKind(event.ID(), eventshub.EventReceived))) |
| 119 | + f.Assert(behavior.timingStep, assertExact(receiverName, int(behavior.retries)+1, deliveriesFollowIntervals(event.ID(), behavior.expectedIntervals))) |
| 120 | + |
| 121 | + return f |
| 122 | +} |
| 123 | + |
| 124 | +func assertExact(receiverName string, count int, matcher eventshub.EventInfoMatcher) feature.StepFn { |
| 125 | + return func(ctx context.Context, t feature.T) { |
| 126 | + eventshub.StoreFromContext(ctx, receiverName).AssertExact(ctx, t, count, matcher) |
| 127 | + } |
| 128 | +} |
| 129 | + |
| 130 | +func installBroker(name string) feature.StepFn { |
| 131 | + return func(ctx context.Context, t feature.T) { |
| 132 | + namespace := environment.FromContext(ctx).Namespace() |
| 133 | + _, err := eventingclient.Get(ctx).EventingV1().Brokers(namespace).Create(ctx, &eventingv1.Broker{ |
| 134 | + ObjectMeta: metav1.ObjectMeta{ |
| 135 | + Name: name, |
| 136 | + Namespace: namespace, |
| 137 | + Annotations: map[string]string{ |
| 138 | + eventingv1.BrokerClassAnnotationKey: brokerconstants.BrokerClassName, |
| 139 | + }, |
| 140 | + }, |
| 141 | + }, metav1.CreateOptions{}) |
| 142 | + require.NoError(t, err) |
| 143 | + } |
| 144 | +} |
| 145 | + |
| 146 | +func installTrigger(brokerName, triggerName, receiverName string, delivery *eventingduckv1.DeliverySpec) feature.StepFn { |
| 147 | + return func(ctx context.Context, t feature.T) { |
| 148 | + namespace := environment.FromContext(ctx).Namespace() |
| 149 | + _, err := eventingclient.Get(ctx).EventingV1().Triggers(namespace).Create(ctx, &eventingv1.Trigger{ |
| 150 | + ObjectMeta: metav1.ObjectMeta{Name: triggerName, Namespace: namespace}, |
| 151 | + Spec: eventingv1.TriggerSpec{ |
| 152 | + Broker: brokerName, |
| 153 | + Subscriber: duckv1.Destination{Ref: &duckv1.KReference{ |
| 154 | + APIVersion: corev1.SchemeGroupVersion.String(), |
| 155 | + Kind: "Service", |
| 156 | + Name: receiverName, |
| 157 | + }}, |
| 158 | + Delivery: delivery, |
| 159 | + }, |
| 160 | + }, metav1.CreateOptions{}) |
| 161 | + require.NoError(t, err) |
| 162 | + } |
| 163 | +} |
| 164 | + |
| 165 | +func installChannel(name string, delivery *eventingduckv1.DeliverySpec) feature.StepFn { |
| 166 | + return func(ctx context.Context, t feature.T) { |
| 167 | + namespace := environment.FromContext(ctx).Namespace() |
| 168 | + _, err := natssclient.Get(ctx).MessagingV1alpha1().NatsJetStreamChannels(namespace).Create(ctx, &natssv1alpha1.NatsJetStreamChannel{ |
| 169 | + ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: namespace}, |
| 170 | + Spec: natssv1alpha1.NatsJetStreamChannelSpec{ |
| 171 | + ChannelableSpec: eventingduckv1.ChannelableSpec{Delivery: delivery}, |
| 172 | + }, |
| 173 | + }, metav1.CreateOptions{}) |
| 174 | + require.NoError(t, err) |
| 175 | + } |
| 176 | +} |
| 177 | + |
| 178 | +func installSubscription(channelName, subscriptionName, receiverName string) feature.StepFn { |
| 179 | + return func(ctx context.Context, t feature.T) { |
| 180 | + namespace := environment.FromContext(ctx).Namespace() |
| 181 | + _, err := eventingclient.Get(ctx).MessagingV1().Subscriptions(namespace).Create(ctx, &messagingv1.Subscription{ |
| 182 | + ObjectMeta: metav1.ObjectMeta{Name: subscriptionName, Namespace: namespace}, |
| 183 | + Spec: messagingv1.SubscriptionSpec{ |
| 184 | + Channel: duckv1.KReference{ |
| 185 | + APIVersion: natssv1alpha1.SchemeGroupVersion.String(), |
| 186 | + Kind: "NatsJetStreamChannel", |
| 187 | + Name: channelName, |
| 188 | + }, |
| 189 | + Subscriber: &duckv1.Destination{Ref: &duckv1.KReference{ |
| 190 | + APIVersion: corev1.SchemeGroupVersion.String(), |
| 191 | + Kind: "Service", |
| 192 | + Name: receiverName, |
| 193 | + }}, |
| 194 | + }, |
| 195 | + }, metav1.CreateOptions{}) |
| 196 | + require.NoError(t, err) |
| 197 | + } |
| 198 | +} |
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