github.com/kaisenlinux/docker.io@v0.0.0-20230510090727-ea55db55fac7/engine/client/image_remove_test.go (about)

     1  package client // import "github.com/docker/docker/client"
     2  
     3  import (
     4  	"bytes"
     5  	"context"
     6  	"encoding/json"
     7  	"fmt"
     8  	"io"
     9  	"net/http"
    10  	"strings"
    11  	"testing"
    12  
    13  	"github.com/docker/docker/api/types"
    14  	"github.com/docker/docker/errdefs"
    15  	"gotest.tools/v3/assert"
    16  	is "gotest.tools/v3/assert/cmp"
    17  )
    18  
    19  func TestImageRemoveError(t *testing.T) {
    20  	client := &Client{
    21  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    22  	}
    23  
    24  	_, err := client.ImageRemove(context.Background(), "image_id", types.ImageRemoveOptions{})
    25  	if !errdefs.IsSystem(err) {
    26  		t.Fatalf("expected a Server Error, got %[1]T: %[1]v", err)
    27  	}
    28  }
    29  
    30  func TestImageRemoveImageNotFound(t *testing.T) {
    31  	client := &Client{
    32  		client: newMockClient(errorMock(http.StatusNotFound, "missing")),
    33  	}
    34  
    35  	_, err := client.ImageRemove(context.Background(), "unknown", types.ImageRemoveOptions{})
    36  	assert.Check(t, is.Error(err, "Error: No such image: unknown"))
    37  	assert.Check(t, IsErrNotFound(err))
    38  }
    39  
    40  func TestImageRemove(t *testing.T) {
    41  	expectedURL := "/images/image_id"
    42  	removeCases := []struct {
    43  		force               bool
    44  		pruneChildren       bool
    45  		expectedQueryParams map[string]string
    46  	}{
    47  		{
    48  			force:         false,
    49  			pruneChildren: false,
    50  			expectedQueryParams: map[string]string{
    51  				"force":   "",
    52  				"noprune": "1",
    53  			},
    54  		}, {
    55  			force:         true,
    56  			pruneChildren: true,
    57  			expectedQueryParams: map[string]string{
    58  				"force":   "1",
    59  				"noprune": "",
    60  			},
    61  		},
    62  	}
    63  	for _, removeCase := range removeCases {
    64  		client := &Client{
    65  			client: newMockClient(func(req *http.Request) (*http.Response, error) {
    66  				if !strings.HasPrefix(req.URL.Path, expectedURL) {
    67  					return nil, fmt.Errorf("expected URL '%s', got '%s'", expectedURL, req.URL)
    68  				}
    69  				if req.Method != http.MethodDelete {
    70  					return nil, fmt.Errorf("expected DELETE method, got %s", req.Method)
    71  				}
    72  				query := req.URL.Query()
    73  				for key, expected := range removeCase.expectedQueryParams {
    74  					actual := query.Get(key)
    75  					if actual != expected {
    76  						return nil, fmt.Errorf("%s not set in URL query properly. Expected '%s', got %s", key, expected, actual)
    77  					}
    78  				}
    79  				b, err := json.Marshal([]types.ImageDeleteResponseItem{
    80  					{
    81  						Untagged: "image_id1",
    82  					},
    83  					{
    84  						Deleted: "image_id",
    85  					},
    86  				})
    87  				if err != nil {
    88  					return nil, err
    89  				}
    90  
    91  				return &http.Response{
    92  					StatusCode: http.StatusOK,
    93  					Body:       io.NopCloser(bytes.NewReader(b)),
    94  				}, nil
    95  			}),
    96  		}
    97  		imageDeletes, err := client.ImageRemove(context.Background(), "image_id", types.ImageRemoveOptions{
    98  			Force:         removeCase.force,
    99  			PruneChildren: removeCase.pruneChildren,
   100  		})
   101  		if err != nil {
   102  			t.Fatal(err)
   103  		}
   104  		if len(imageDeletes) != 2 {
   105  			t.Fatalf("expected 2 deleted images, got %v", imageDeletes)
   106  		}
   107  	}
   108  }