github.com/ssdev-go/moby@v17.12.1-ce-rc2+incompatible/client/volume_list_test.go (about)

     1  package client
     2  
     3  import (
     4  	"bytes"
     5  	"encoding/json"
     6  	"fmt"
     7  	"io/ioutil"
     8  	"net/http"
     9  	"strings"
    10  	"testing"
    11  
    12  	"github.com/docker/docker/api/types"
    13  	"github.com/docker/docker/api/types/filters"
    14  	volumetypes "github.com/docker/docker/api/types/volume"
    15  	"golang.org/x/net/context"
    16  )
    17  
    18  func TestVolumeListError(t *testing.T) {
    19  	client := &Client{
    20  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    21  	}
    22  
    23  	_, err := client.VolumeList(context.Background(), filters.NewArgs())
    24  	if err == nil || err.Error() != "Error response from daemon: Server error" {
    25  		t.Fatalf("expected a Server Error, got %v", err)
    26  	}
    27  }
    28  
    29  func TestVolumeList(t *testing.T) {
    30  	expectedURL := "/volumes"
    31  
    32  	noDanglingFilters := filters.NewArgs()
    33  	noDanglingFilters.Add("dangling", "false")
    34  
    35  	danglingFilters := filters.NewArgs()
    36  	danglingFilters.Add("dangling", "true")
    37  
    38  	labelFilters := filters.NewArgs()
    39  	labelFilters.Add("label", "label1")
    40  	labelFilters.Add("label", "label2")
    41  
    42  	listCases := []struct {
    43  		filters         filters.Args
    44  		expectedFilters string
    45  	}{
    46  		{
    47  			filters:         filters.NewArgs(),
    48  			expectedFilters: "",
    49  		}, {
    50  			filters:         noDanglingFilters,
    51  			expectedFilters: `{"dangling":{"false":true}}`,
    52  		}, {
    53  			filters:         danglingFilters,
    54  			expectedFilters: `{"dangling":{"true":true}}`,
    55  		}, {
    56  			filters:         labelFilters,
    57  			expectedFilters: `{"label":{"label1":true,"label2":true}}`,
    58  		},
    59  	}
    60  
    61  	for _, listCase := range listCases {
    62  		client := &Client{
    63  			client: newMockClient(func(req *http.Request) (*http.Response, error) {
    64  				if !strings.HasPrefix(req.URL.Path, expectedURL) {
    65  					return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
    66  				}
    67  				query := req.URL.Query()
    68  				actualFilters := query.Get("filters")
    69  				if actualFilters != listCase.expectedFilters {
    70  					return nil, fmt.Errorf("filters not set in URL query properly. Expected '%s', got %s", listCase.expectedFilters, actualFilters)
    71  				}
    72  				content, err := json.Marshal(volumetypes.VolumesListOKBody{
    73  					Volumes: []*types.Volume{
    74  						{
    75  							Name:   "volume",
    76  							Driver: "local",
    77  						},
    78  					},
    79  				})
    80  				if err != nil {
    81  					return nil, err
    82  				}
    83  				return &http.Response{
    84  					StatusCode: http.StatusOK,
    85  					Body:       ioutil.NopCloser(bytes.NewReader(content)),
    86  				}, nil
    87  			}),
    88  		}
    89  
    90  		volumeResponse, err := client.VolumeList(context.Background(), listCase.filters)
    91  		if err != nil {
    92  			t.Fatal(err)
    93  		}
    94  		if len(volumeResponse.Volumes) != 1 {
    95  			t.Fatalf("expected 1 volume, got %v", volumeResponse.Volumes)
    96  		}
    97  	}
    98  }