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Signed-off-by: Pierangelo Di Pilato <pierangelodipilato@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,178 @@ | ||
| /* | ||
| * Copyright 2020 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 kncloudevents | ||
|
|
||
| import ( | ||
| "context" | ||
| nethttp "net/http" | ||
| "net/http/httptest" | ||
| "sync" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| "k8s.io/utils/pointer" | ||
|
|
||
| eventingduck "knative.dev/eventing/pkg/apis/duck/v1" | ||
| ) | ||
|
|
||
| func TestHttpMessageSenderSendWithRetries(t *testing.T) { | ||
| t.Parallel() | ||
|
|
||
| tests := []struct { | ||
| name string | ||
| config *RetryConfig | ||
| wantStatus int | ||
| wantDispatch int | ||
| wantErr bool | ||
| }{ | ||
| { | ||
| name: "5 max retry", | ||
| config: &RetryConfig{ | ||
| RetryMax: 5, | ||
| CheckRetry: func(ctx context.Context, resp *nethttp.Response, err error) (bool, error) { | ||
| return true, nil | ||
| }, | ||
| Backoff: func(attemptNum int, resp *nethttp.Response) time.Duration { | ||
| return time.Millisecond | ||
| }, | ||
| }, | ||
| wantStatus: nethttp.StatusServiceUnavailable, | ||
| wantDispatch: 6, | ||
| wantErr: false, | ||
| }, | ||
| { | ||
| name: "1 max retry", | ||
| config: &RetryConfig{ | ||
| RetryMax: 1, | ||
| CheckRetry: func(ctx context.Context, resp *nethttp.Response, err error) (bool, error) { | ||
| return true, nil | ||
| }, | ||
| Backoff: func(attemptNum int, resp *nethttp.Response) time.Duration { | ||
| return time.Millisecond | ||
| }, | ||
| }, | ||
| wantStatus: nethttp.StatusServiceUnavailable, | ||
| wantDispatch: 2, | ||
| wantErr: false, | ||
| }, | ||
| { | ||
| name: "with no retryConfig", | ||
| wantStatus: nethttp.StatusServiceUnavailable, | ||
| wantDispatch: 1, | ||
| wantErr: false, | ||
| }, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
|
|
||
| n := 0 | ||
| var mu sync.Mutex | ||
| server := httptest.NewServer(nethttp.HandlerFunc(func(writer nethttp.ResponseWriter, request *nethttp.Request) { | ||
| mu.Lock() | ||
| n++ | ||
| mu.Unlock() | ||
|
|
||
| writer.WriteHeader(tt.wantStatus) | ||
| })) | ||
|
|
||
| sender := &HttpMessageSender{ | ||
| Client: nethttp.DefaultClient, | ||
| } | ||
|
|
||
| request, err := nethttp.NewRequest("POST", server.URL, nil) | ||
| assert.Nil(t, err) | ||
| got, err := sender.SendWithRetries(request, tt.config) | ||
| if (err != nil) != tt.wantErr || got == nil { | ||
| t.Errorf("SendWithRetries() error = %v, wantErr %v or got nil", err, tt.wantErr) | ||
| return | ||
| } | ||
| if got.StatusCode != nethttp.StatusServiceUnavailable { | ||
| t.Errorf("SendWithRetries() got = %v, want %v", got.StatusCode, nethttp.StatusServiceUnavailable) | ||
| return | ||
| } | ||
| if n != tt.wantDispatch { | ||
| t.Errorf("expected %d retries got %d", tt.config.RetryMax, n) | ||
| return | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func TestRetryConfigFromDeliverySpec(t *testing.T) { | ||
| linear := eventingduck.BackoffPolicyLinear | ||
| tests := []struct { | ||
| name string | ||
| spec eventingduck.DeliverySpec | ||
| retryMax int | ||
| wantErr bool | ||
| }{ | ||
| { | ||
| name: "full delivery", | ||
| spec: eventingduck.DeliverySpec{ | ||
| Retry: pointer.Int32Ptr(10), | ||
| BackoffPolicy: &linear, | ||
| BackoffDelay: pointer.StringPtr("PT1S"), | ||
| }, | ||
| retryMax: 10, | ||
| wantErr: false, | ||
| }, | ||
| { | ||
| name: "only retry", | ||
| spec: eventingduck.DeliverySpec{ | ||
| Retry: pointer.Int32Ptr(10), | ||
| BackoffPolicy: &linear, | ||
| }, | ||
| retryMax: 10, | ||
| wantErr: false, | ||
| }, | ||
| { | ||
| name: "not ISO8601", | ||
| spec: eventingduck.DeliverySpec{ | ||
| Retry: pointer.Int32Ptr(10), | ||
| BackoffDelay: pointer.StringPtr("PP1"), | ||
| BackoffPolicy: &linear, | ||
| }, | ||
| retryMax: 10, | ||
| wantErr: true, | ||
| }, | ||
| } | ||
|
|
||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| got, err := RetryConfigFromDeliverySpec(tt.spec) | ||
| if (err != nil) != tt.wantErr { | ||
| t.Errorf("RetryConfigFromDeliverySpec() error = %v, wantErr %v", err, tt.wantErr) | ||
| return | ||
| } | ||
| if err != nil { | ||
| return | ||
| } | ||
|
|
||
| if got.CheckRetry == nil { | ||
| t.Errorf("CheckRetry must not be nil") | ||
| return | ||
| } | ||
| if got.Backoff == nil { | ||
| t.Errorf("Backoff must not be nil") | ||
| } | ||
| if got.RetryMax != tt.retryMax { | ||
| t.Errorf("retryMax want %d got %d", tt.retryMax, got.RetryMax) | ||
| } | ||
| }) | ||
| } | ||
| } |
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