github.com/zhouyu0/docker-note@v0.0.0-20190722021225-b8d3825084db/client/swarm_join_test.go (about)

     1  package client // import "github.com/docker/docker/client"
     2  
     3  import (
     4  	"bytes"
     5  	"context"
     6  	"fmt"
     7  	"io/ioutil"
     8  	"net/http"
     9  	"strings"
    10  	"testing"
    11  
    12  	"github.com/docker/docker/api/types/swarm"
    13  )
    14  
    15  func TestSwarmJoinError(t *testing.T) {
    16  	client := &Client{
    17  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    18  	}
    19  
    20  	err := client.SwarmJoin(context.Background(), swarm.JoinRequest{})
    21  	if err == nil || err.Error() != "Error response from daemon: Server error" {
    22  		t.Fatalf("expected a Server Error, got %v", err)
    23  	}
    24  }
    25  
    26  func TestSwarmJoin(t *testing.T) {
    27  	expectedURL := "/swarm/join"
    28  
    29  	client := &Client{
    30  		client: newMockClient(func(req *http.Request) (*http.Response, error) {
    31  			if !strings.HasPrefix(req.URL.Path, expectedURL) {
    32  				return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
    33  			}
    34  			if req.Method != "POST" {
    35  				return nil, fmt.Errorf("expected POST method, got %s", req.Method)
    36  			}
    37  			return &http.Response{
    38  				StatusCode: http.StatusOK,
    39  				Body:       ioutil.NopCloser(bytes.NewReader([]byte(""))),
    40  			}, nil
    41  		}),
    42  	}
    43  
    44  	err := client.SwarmJoin(context.Background(), swarm.JoinRequest{
    45  		ListenAddr: "0.0.0.0:2377",
    46  	})
    47  	if err != nil {
    48  		t.Fatal(err)
    49  	}
    50  }