github.com/zhouyu0/docker-note@v0.0.0-20190722021225-b8d3825084db/client/swarm_leave_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  
    13  func TestSwarmLeaveError(t *testing.T) {
    14  	client := &Client{
    15  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    16  	}
    17  
    18  	err := client.SwarmLeave(context.Background(), false)
    19  	if err == nil || err.Error() != "Error response from daemon: Server error" {
    20  		t.Fatalf("expected a Server Error, got %v", err)
    21  	}
    22  }
    23  
    24  func TestSwarmLeave(t *testing.T) {
    25  	expectedURL := "/swarm/leave"
    26  
    27  	leaveCases := []struct {
    28  		force         bool
    29  		expectedForce string
    30  	}{
    31  		{
    32  			expectedForce: "",
    33  		},
    34  		{
    35  			force:         true,
    36  			expectedForce: "1",
    37  		},
    38  	}
    39  
    40  	for _, leaveCase := range leaveCases {
    41  		client := &Client{
    42  			client: newMockClient(func(req *http.Request) (*http.Response, error) {
    43  				if !strings.HasPrefix(req.URL.Path, expectedURL) {
    44  					return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
    45  				}
    46  				if req.Method != "POST" {
    47  					return nil, fmt.Errorf("expected POST method, got %s", req.Method)
    48  				}
    49  				force := req.URL.Query().Get("force")
    50  				if force != leaveCase.expectedForce {
    51  					return nil, fmt.Errorf("force not set in URL query properly. expected '%s', got %s", leaveCase.expectedForce, force)
    52  				}
    53  				return &http.Response{
    54  					StatusCode: http.StatusOK,
    55  					Body:       ioutil.NopCloser(bytes.NewReader([]byte(""))),
    56  				}, nil
    57  			}),
    58  		}
    59  
    60  		err := client.SwarmLeave(context.Background(), leaveCase.force)
    61  		if err != nil {
    62  			t.Fatal(err)
    63  		}
    64  	}
    65  }