github.com/fabiokung/docker@v0.11.2-0.20170222101415-4534dcd49497/client/image_tag_test.go (about)

     1  package client
     2  
     3  import (
     4  	"bytes"
     5  	"fmt"
     6  	"io/ioutil"
     7  	"net/http"
     8  	"strings"
     9  	"testing"
    10  
    11  	"golang.org/x/net/context"
    12  )
    13  
    14  func TestImageTagError(t *testing.T) {
    15  	client := &Client{
    16  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    17  	}
    18  
    19  	err := client.ImageTag(context.Background(), "image_id", "repo:tag")
    20  	if err == nil || err.Error() != "Error response from daemon: Server error" {
    21  		t.Fatalf("expected a Server Error, got %v", err)
    22  	}
    23  }
    24  
    25  // Note: this is not testing all the InvalidReference as it's the responsibility
    26  // of distribution/reference package.
    27  func TestImageTagInvalidReference(t *testing.T) {
    28  	client := &Client{
    29  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    30  	}
    31  
    32  	err := client.ImageTag(context.Background(), "image_id", "aa/asdf$$^/aa")
    33  	if err == nil || err.Error() != `Error parsing reference: "aa/asdf$$^/aa" is not a valid repository/tag: invalid reference format` {
    34  		t.Fatalf("expected ErrReferenceInvalidFormat, got %v", err)
    35  	}
    36  }
    37  
    38  func TestImageTagInvalidSourceImageName(t *testing.T) {
    39  	client := &Client{
    40  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    41  	}
    42  
    43  	err := client.ImageTag(context.Background(), "invalid_source_image_name_", "repo:tag")
    44  	if err == nil || err.Error() != "Error parsing reference: \"invalid_source_image_name_\" is not a valid repository/tag: invalid reference format" {
    45  		t.Fatalf("expected Parsing Reference Error, got %v", err)
    46  	}
    47  }
    48  
    49  func TestImageTag(t *testing.T) {
    50  	expectedURL := "/images/image_id/tag"
    51  	tagCases := []struct {
    52  		reference           string
    53  		expectedQueryParams map[string]string
    54  	}{
    55  		{
    56  			reference: "repository:tag1",
    57  			expectedQueryParams: map[string]string{
    58  				"repo": "repository",
    59  				"tag":  "tag1",
    60  			},
    61  		}, {
    62  			reference: "another_repository:latest",
    63  			expectedQueryParams: map[string]string{
    64  				"repo": "another_repository",
    65  				"tag":  "latest",
    66  			},
    67  		}, {
    68  			reference: "another_repository",
    69  			expectedQueryParams: map[string]string{
    70  				"repo": "another_repository",
    71  				"tag":  "latest",
    72  			},
    73  		}, {
    74  			reference: "test/another_repository",
    75  			expectedQueryParams: map[string]string{
    76  				"repo": "test/another_repository",
    77  				"tag":  "latest",
    78  			},
    79  		}, {
    80  			reference: "test/another_repository:tag1",
    81  			expectedQueryParams: map[string]string{
    82  				"repo": "test/another_repository",
    83  				"tag":  "tag1",
    84  			},
    85  		}, {
    86  			reference: "test/test/another_repository:tag1",
    87  			expectedQueryParams: map[string]string{
    88  				"repo": "test/test/another_repository",
    89  				"tag":  "tag1",
    90  			},
    91  		}, {
    92  			reference: "test:5000/test/another_repository:tag1",
    93  			expectedQueryParams: map[string]string{
    94  				"repo": "test:5000/test/another_repository",
    95  				"tag":  "tag1",
    96  			},
    97  		}, {
    98  			reference: "test:5000/test/another_repository",
    99  			expectedQueryParams: map[string]string{
   100  				"repo": "test:5000/test/another_repository",
   101  				"tag":  "latest",
   102  			},
   103  		},
   104  	}
   105  	for _, tagCase := range tagCases {
   106  		client := &Client{
   107  			client: newMockClient(func(req *http.Request) (*http.Response, error) {
   108  				if !strings.HasPrefix(req.URL.Path, expectedURL) {
   109  					return nil, fmt.Errorf("expected URL '%s', got '%s'", expectedURL, req.URL)
   110  				}
   111  				if req.Method != "POST" {
   112  					return nil, fmt.Errorf("expected POST method, got %s", req.Method)
   113  				}
   114  				query := req.URL.Query()
   115  				for key, expected := range tagCase.expectedQueryParams {
   116  					actual := query.Get(key)
   117  					if actual != expected {
   118  						return nil, fmt.Errorf("%s not set in URL query properly. Expected '%s', got %s", key, expected, actual)
   119  					}
   120  				}
   121  				return &http.Response{
   122  					StatusCode: http.StatusOK,
   123  					Body:       ioutil.NopCloser(bytes.NewReader([]byte(""))),
   124  				}, nil
   125  			}),
   126  		}
   127  		err := client.ImageTag(context.Background(), "image_id", tagCase.reference)
   128  		if err != nil {
   129  			t.Fatal(err)
   130  		}
   131  	}
   132  }