rp_test.go

Documentation: github.com/Azure/go-autorest/autorest/azure

     1  // Copyright 2017 Microsoft Corporation
     2  //
     3  //  Licensed under the Apache License, Version 2.0 (the "License");
     4  //  you may not use this file except in compliance with the License.
     5  //  You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  //  Unless required by applicable law or agreed to in writing, software
    10  //  distributed under the License is distributed on an "AS IS" BASIS,
    11  //  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  //  See the License for the specific language governing permissions and
    13  //  limitations under the License.
    14  
    15  package azure
    16  
    17  import (
    18  	"context"
    19  	"net/http"
    20  	"sync"
    21  	"testing"
    22  	"time"
    23  
    24  	"github.com/Azure/go-autorest/autorest"
    25  	"github.com/Azure/go-autorest/autorest/mocks"
    26  )
    27  
    28  func TestDoRetryWithRegistration(t *testing.T) {
    29  	client := mocks.NewSender()
    30  	// first response, should retry because it is a transient error
    31  	client.AppendResponse(mocks.NewResponseWithStatus("Internal server error", http.StatusInternalServerError))
    32  	// response indicates the resource provider has not been registered
    33  	client.AppendResponse(mocks.NewResponseWithBodyAndStatus(mocks.NewBody(`{
    34  	"error":{
    35  		"code":"MissingSubscriptionRegistration",
    36  		"message":"The subscription registration is in 'Unregistered' state. The subscription must be registered to use namespace 'Microsoft.EventGrid'. See https://aka.ms/rps-not-found for how to register subscriptions.",
    37  		"details":[
    38  			{
    39  				"code":"MissingSubscriptionRegistration",
    40  				"target":"Microsoft.EventGrid",
    41  				"message":"The subscription registration is in 'Unregistered' state. The subscription must be registered to use namespace 'Microsoft.EventGrid'. See https://aka.ms/rps-not-found for how to register subscriptions."
    42  			}
    43  		]
    44  	}
    45  }
    46  `), http.StatusConflict, "MissingSubscriptionRegistration"))
    47  	// first poll response, still not ready
    48  	client.AppendResponse(mocks.NewResponseWithBodyAndStatus(mocks.NewBody(`{
    49  	"registrationState": "Registering"
    50  }
    51  `), http.StatusOK, "200 OK"))
    52  	// last poll response, respurce provider has been registered
    53  	client.AppendResponse(mocks.NewResponseWithBodyAndStatus(mocks.NewBody(`{
    54  	"registrationState": "Registered"
    55  }
    56  `), http.StatusOK, "200 OK"))
    57  	// retry original request, response is successful
    58  	client.AppendResponse(mocks.NewResponseWithStatus("200 OK", http.StatusOK))
    59  
    60  	req := mocks.NewRequestForURL("https://lol/subscriptions/rofl")
    61  	req.Body = mocks.NewBody("lolol")
    62  	r, err := autorest.SendWithSender(client, req,
    63  		DoRetryWithRegistration(autorest.Client{
    64  			PollingDelay:    time.Second,
    65  			PollingDuration: time.Second * 10,
    66  			RetryAttempts:   5,
    67  			RetryDuration:   time.Second,
    68  			Sender:          client,
    69  		}),
    70  	)
    71  	if err != nil {
    72  		t.Fatalf("got error: %v", err)
    73  	}
    74  
    75  	autorest.Respond(r,
    76  		autorest.ByDiscardingBody(),
    77  		autorest.ByClosing(),
    78  	)
    79  
    80  	if r.StatusCode != http.StatusOK {
    81  		t.Fatalf("azure: Sender#DoRetryWithRegistration -- Got: StatusCode %v; Want: StatusCode 200 OK", r.StatusCode)
    82  	}
    83  }
    84  
    85  func TestDoRetrySkipRegistration(t *testing.T) {
    86  	client := mocks.NewSender()
    87  	// first response, should retry because it is a transient error
    88  	client.AppendResponse(mocks.NewResponseWithStatus("Internal server error", http.StatusInternalServerError))
    89  	// response indicates the resource provider has not been registered
    90  	client.AppendResponse(mocks.NewResponseWithBodyAndStatus(mocks.NewBody(`{
    91  	"error":{
    92  		"code":"MissingSubscriptionRegistration",
    93  		"message":"The subscription registration is in 'Unregistered' state. The subscription must be registered to use namespace 'Microsoft.EventGrid'. See https://aka.ms/rps-not-found for how to register subscriptions.",
    94  		"details":[
    95  			{
    96  				"code":"MissingSubscriptionRegistration",
    97  				"target":"Microsoft.EventGrid",
    98  				"message":"The subscription registration is in 'Unregistered' state. The subscription must be registered to use namespace 'Microsoft.EventGrid'. See https://aka.ms/rps-not-found for how to register subscriptions."
    99  			}
   100  		]
   101  	}
   102  }`), http.StatusConflict, "MissingSubscriptionRegistration"))
   103  
   104  	req := mocks.NewRequestForURL("https://lol/subscriptions/rofl")
   105  	req.Body = mocks.NewBody("lolol")
   106  	r, err := autorest.SendWithSender(client, req,
   107  		DoRetryWithRegistration(autorest.Client{
   108  			PollingDelay:                     time.Second,
   109  			PollingDuration:                  time.Second * 10,
   110  			RetryAttempts:                    5,
   111  			RetryDuration:                    time.Second,
   112  			Sender:                           client,
   113  			SkipResourceProviderRegistration: true,
   114  		}),
   115  	)
   116  	if err != nil {
   117  		t.Fatalf("got error: %v", err)
   118  	}
   119  
   120  	autorest.Respond(r,
   121  		autorest.ByDiscardingBody(),
   122  		autorest.ByClosing(),
   123  	)
   124  
   125  	if r.StatusCode != http.StatusConflict {
   126  		t.Fatalf("azure: Sender#DoRetryWithRegistration -- Got: StatusCode %v; Want: StatusCode 409 Conflict", r.StatusCode)
   127  	}
   128  }
   129  
   130  func TestDoRetryWithRegistration_CanBeCancelled(t *testing.T) {
   131  	ctx, cancel := context.WithCancel(context.Background())
   132  	delay := 5 * time.Second
   133  
   134  	client := mocks.NewSender()
   135  	client.AppendAndRepeatResponse(mocks.NewResponseWithStatus("Internal server error", http.StatusInternalServerError), 5)
   136  
   137  	var wg sync.WaitGroup
   138  	wg.Add(1)
   139  	start := time.Now()
   140  	end := time.Now()
   141  	var err error
   142  
   143  	go func() {
   144  		req := mocks.NewRequestForURL("https://lol/subscriptions/rofl")
   145  		req = req.WithContext(ctx)
   146  		req.Body = mocks.NewBody("lolol")
   147  		_, err = autorest.SendWithSender(client, req,
   148  			DoRetryWithRegistration(autorest.Client{
   149  				PollingDelay:                     time.Second,
   150  				PollingDuration:                  delay,
   151  				RetryAttempts:                    5,
   152  				RetryDuration:                    time.Second,
   153  				Sender:                           client,
   154  				SkipResourceProviderRegistration: true,
   155  			}),
   156  		)
   157  		end = time.Now()
   158  		wg.Done()
   159  	}()
   160  	cancel()
   161  	wg.Wait()
   162  	time.Sleep(5 * time.Millisecond)
   163  	if err == nil {
   164  		t.Fatalf("azure: DoRetryWithRegistration didn't cancel")
   165  	}
   166  	if end.Sub(start) >= delay {
   167  		t.Fatalf("azure: DoRetryWithRegistration failed to cancel")
   168  	}
   169  }
   170
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