github.com/tickoalcantara12/micro/v3@v3.0.0-20221007104245-9d75b9bcbab9/service/client/backoff_test.go (about)

     1  // Copyright 2020 Asim Aslam
     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  //     https://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  // Original source: github.com/micro/go-micro/v3/client/backoff_test.go
    16  
    17  package client
    18  
    19  import (
    20  	"context"
    21  	"testing"
    22  	"time"
    23  
    24  	"github.com/tickoalcantara12/micro/v3/util/codec"
    25  )
    26  
    27  func TestBackoff(t *testing.T) {
    28  	results := []time.Duration{
    29  		0 * time.Second,
    30  		100 * time.Millisecond,
    31  		600 * time.Millisecond,
    32  		1900 * time.Millisecond,
    33  		4300 * time.Millisecond,
    34  		7900 * time.Millisecond,
    35  	}
    36  
    37  	r := &testRequest{
    38  		service: "test",
    39  		method:  "test",
    40  	}
    41  
    42  	for i := 0; i < 5; i++ {
    43  		d, err := exponentialBackoff(context.TODO(), r, i)
    44  		if err != nil {
    45  			t.Fatal(err)
    46  		}
    47  
    48  		if d != results[i] {
    49  			t.Fatalf("Expected equal than %v, got %v", results[i], d)
    50  		}
    51  	}
    52  }
    53  
    54  type testRequest struct {
    55  	service     string
    56  	method      string
    57  	endpoint    string
    58  	contentType string
    59  	codec       codec.Codec
    60  	body        interface{}
    61  	opts        RequestOptions
    62  }
    63  
    64  func newRequest(service, endpoint string, request interface{}, contentType string, reqOpts ...RequestOption) Request {
    65  	var opts RequestOptions
    66  
    67  	for _, o := range reqOpts {
    68  		o(&opts)
    69  	}
    70  
    71  	// set the content-type specified
    72  	if len(opts.ContentType) > 0 {
    73  		contentType = opts.ContentType
    74  	}
    75  
    76  	return &testRequest{
    77  		service:     service,
    78  		method:      endpoint,
    79  		endpoint:    endpoint,
    80  		body:        request,
    81  		contentType: contentType,
    82  		opts:        opts,
    83  	}
    84  }
    85  
    86  func (r *testRequest) ContentType() string {
    87  	return r.contentType
    88  }
    89  
    90  func (r *testRequest) Service() string {
    91  	return r.service
    92  }
    93  
    94  func (r *testRequest) Method() string {
    95  	return r.method
    96  }
    97  
    98  func (r *testRequest) Endpoint() string {
    99  	return r.endpoint
   100  }
   101  
   102  func (r *testRequest) Body() interface{} {
   103  	return r.body
   104  }
   105  
   106  func (r *testRequest) Codec() codec.Writer {
   107  	return r.codec
   108  }
   109  
   110  func (r *testRequest) Stream() bool {
   111  	return r.opts.Stream
   112  }