-
Notifications
You must be signed in to change notification settings - Fork 577
/
broker_event_transformation_test_helper.go
160 lines (132 loc) · 4.92 KB
/
broker_event_transformation_test_helper.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
/*
Copyright 2019 The Knative Authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package helpers
import (
"context"
"strings"
"testing"
cloudevents "github.com/cloudevents/sdk-go/v2"
. "github.com/cloudevents/sdk-go/v2/test"
"github.com/google/uuid"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
testlib "knative.dev/eventing/test/lib"
"knative.dev/eventing/test/lib/recordevents"
"knative.dev/eventing/test/lib/resources"
)
/*
EventTransformationForTriggerTestHelper tests the following scenario:
5 4
------------- ----------------------
| | | |
1 v 2 | v 3 |
EventSource ---> Broker ---> Trigger1 -------> Service(Transformation)
|
| 6 7
|-------> Trigger2 -------> Service(Logger)
Note: the number denotes the sequence of the event that flows in this test case.
*/
// Deprecated, use reconciler-test based tests.
func EventTransformationForTriggerTestHelper(
ctx context.Context,
t *testing.T,
brokerVersion string,
triggerVersion string,
creator BrokerCreator,
options ...testlib.SetupClientOption) {
const (
senderName = "e2e-eventtransformation-sender"
eventType = "type1"
transformedEventType = "type2"
eventSource = "source1"
transformedEventSource = "source2"
eventBody = `{"msg":"e2e-eventtransformation-body"}`
transformedBody = `{"msg":"transformed body"}`
originalTriggerName = "trigger1"
transformedTriggerName = "trigger2"
transformationPodName = "trans-pod"
recordEventsPodName = "recordevents-pod"
)
client := testlib.Setup(t, true, options...)
defer testlib.TearDown(client)
brokerName := creator(client, brokerVersion)
client.WaitForResourceReadyOrFail(brokerName, testlib.BrokerTypeMeta)
// create the transformation service
recordevents.DeployEventRecordOrFail(
ctx,
client,
transformationPodName,
recordevents.ReplyWithTransformedEvent(
transformedEventType,
transformedEventSource,
transformedBody,
),
)
// create trigger1 for event transformation
client.CreateTriggerOrFail(
originalTriggerName,
resources.WithBroker(brokerName),
resources.WithAttributesTriggerFilter(eventSource, eventType, nil),
resources.WithSubscriberServiceRefForTrigger(transformationPodName),
)
// create logger pod and service
eventTracker, _ := recordevents.StartEventRecordOrFail(ctx, client, recordEventsPodName)
// create trigger2 for event receiving
client.CreateTriggerOrFail(
transformedTriggerName,
resources.WithBroker(brokerName),
resources.WithAttributesTriggerFilter(transformedEventSource, transformedEventType, nil),
resources.WithSubscriberServiceRefForTrigger(recordEventsPodName),
)
// wait for all test resources to be ready, so that we can start sending events
client.WaitForAllTestResourcesReadyOrFail(ctx)
// eventToSend is the event sent as input of the test
eventToSend := cloudevents.NewEvent()
eventToSend.SetID(uuid.New().String())
eventToSend.SetType(eventType)
eventToSend.SetSource(eventSource)
if err := eventToSend.SetData(cloudevents.ApplicationJSON, []byte(eventBody)); err != nil {
t.Fatal("Cannot set the payload of the event:", err.Error())
}
client.SendEventToAddressable(ctx, senderName, brokerName, testlib.BrokerTypeMeta, eventToSend)
// check if the logging service receives the correct event
eventTracker.AssertAtLeast(1, recordevents.MatchEvent(
HasSource(transformedEventSource),
HasType(transformedEventType),
HasData([]byte(transformedBody)),
))
eventTracker.AssertNot(recordevents.MatchEvent(
HasSource(eventSource),
HasType(eventType),
HasData([]byte(eventBody)),
))
}
// BrokerCreator creates a broker and returns its broker name.
type BrokerCreator func(client *testlib.Client, version string) string
// ChannelBasedBrokerCreator creates a BrokerCreator that creates a broker based on the channel parameter.
func ChannelBasedBrokerCreator(channel metav1.TypeMeta, brokerClass string) BrokerCreator {
return func(client *testlib.Client, version string) string {
brokerName := strings.ToLower(channel.Kind)
// create a ConfigMap used by the broker.
config := client.CreateBrokerConfigMapOrFail("config-"+brokerName, &channel)
switch version {
case "v1":
client.CreateBrokerOrFail(brokerName,
resources.WithBrokerClassForBroker(brokerClass),
resources.WithConfigForBroker(config),
)
default:
panic("unknown version: " + version)
}
return brokerName
}
}