github.com/rbisecke/kafka-go@v0.4.27/describeconfigs_test.go (about)

     1  package kafka
     2  
     3  import (
     4  	"context"
     5  	"testing"
     6  
     7  	ktesting "github.com/rbisecke/kafka-go/testing"
     8  	"github.com/stretchr/testify/assert"
     9  )
    10  
    11  func TestClientDescribeConfigs(t *testing.T) {
    12  	if !ktesting.KafkaIsAtLeast("0.11.0") {
    13  		return
    14  	}
    15  
    16  	const (
    17  		MaxMessageBytes      = "max.message.bytes"
    18  		MaxMessageBytesValue = "200000"
    19  	)
    20  
    21  	client, shutdown := newLocalClient()
    22  	defer shutdown()
    23  
    24  	topic := makeTopic()
    25  	createTopic(t, topic, 1)
    26  	defer deleteTopic(t, topic)
    27  
    28  	_, err := client.AlterConfigs(context.Background(), &AlterConfigsRequest{
    29  		Resources: []AlterConfigRequestResource{{
    30  			ResourceType: ResourceTypeTopic,
    31  			ResourceName: topic,
    32  			Configs: []AlterConfigRequestConfig{{
    33  				Name:  MaxMessageBytes,
    34  				Value: MaxMessageBytesValue,
    35  			},
    36  			},
    37  		}},
    38  	})
    39  
    40  	if err != nil {
    41  		t.Fatal(err)
    42  	}
    43  
    44  	describeResp, err := client.DescribeConfigs(context.Background(), &DescribeConfigsRequest{
    45  		Resources: []DescribeConfigRequestResource{{
    46  			ResourceType: ResourceTypeTopic,
    47  			ResourceName: topic,
    48  			ConfigNames:  []string{MaxMessageBytes},
    49  		}},
    50  	})
    51  
    52  	maxMessageBytesValue := "0"
    53  	for _, resource := range describeResp.Resources {
    54  		if resource.ResourceType == int8(ResourceTypeTopic) && resource.ResourceName == topic {
    55  			for _, entry := range resource.ConfigEntries {
    56  				if entry.ConfigName == MaxMessageBytes {
    57  					maxMessageBytesValue = entry.ConfigValue
    58  				}
    59  			}
    60  		}
    61  	}
    62  	assert.Equal(t, maxMessageBytesValue, MaxMessageBytesValue)
    63  }