github.com/zhouyu0/docker-note@v0.0.0-20190722021225-b8d3825084db/client/image_tag_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 TestImageTagError(t *testing.T) {
    14  	client := &Client{
    15  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    16  	}
    17  
    18  	err := client.ImageTag(context.Background(), "image_id", "repo:tag")
    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  // Note: this is not testing all the InvalidReference as it's the responsibility
    25  // of distribution/reference package.
    26  func TestImageTagInvalidReference(t *testing.T) {
    27  	client := &Client{
    28  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    29  	}
    30  
    31  	err := client.ImageTag(context.Background(), "image_id", "aa/asdf$$^/aa")
    32  	if err == nil || err.Error() != `Error parsing reference: "aa/asdf$$^/aa" is not a valid repository/tag: invalid reference format` {
    33  		t.Fatalf("expected ErrReferenceInvalidFormat, got %v", err)
    34  	}
    35  }
    36  
    37  func TestImageTagInvalidSourceImageName(t *testing.T) {
    38  	client := &Client{
    39  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    40  	}
    41  
    42  	err := client.ImageTag(context.Background(), "invalid_source_image_name_", "repo:tag")
    43  	if err == nil || err.Error() != "Error parsing reference: \"invalid_source_image_name_\" is not a valid repository/tag: invalid reference format" {
    44  		t.Fatalf("expected Parsing Reference Error, got %v", err)
    45  	}
    46  }
    47  
    48  func TestImageTagHexSource(t *testing.T) {
    49  	client := &Client{
    50  		client: newMockClient(errorMock(http.StatusOK, "OK")),
    51  	}
    52  
    53  	err := client.ImageTag(context.Background(), "0d409d33b27e47423b049f7f863faa08655a8c901749c2b25b93ca67d01a470d", "repo:tag")
    54  	if err != nil {
    55  		t.Fatalf("got error: %v", err)
    56  	}
    57  }
    58  
    59  func TestImageTag(t *testing.T) {
    60  	expectedURL := "/images/image_id/tag"
    61  	tagCases := []struct {
    62  		reference           string
    63  		expectedQueryParams map[string]string
    64  	}{
    65  		{
    66  			reference: "repository:tag1",
    67  			expectedQueryParams: map[string]string{
    68  				"repo": "repository",
    69  				"tag":  "tag1",
    70  			},
    71  		}, {
    72  			reference: "another_repository:latest",
    73  			expectedQueryParams: map[string]string{
    74  				"repo": "another_repository",
    75  				"tag":  "latest",
    76  			},
    77  		}, {
    78  			reference: "another_repository",
    79  			expectedQueryParams: map[string]string{
    80  				"repo": "another_repository",
    81  				"tag":  "latest",
    82  			},
    83  		}, {
    84  			reference: "test/another_repository",
    85  			expectedQueryParams: map[string]string{
    86  				"repo": "test/another_repository",
    87  				"tag":  "latest",
    88  			},
    89  		}, {
    90  			reference: "test/another_repository:tag1",
    91  			expectedQueryParams: map[string]string{
    92  				"repo": "test/another_repository",
    93  				"tag":  "tag1",
    94  			},
    95  		}, {
    96  			reference: "test/test/another_repository:tag1",
    97  			expectedQueryParams: map[string]string{
    98  				"repo": "test/test/another_repository",
    99  				"tag":  "tag1",
   100  			},
   101  		}, {
   102  			reference: "test:5000/test/another_repository:tag1",
   103  			expectedQueryParams: map[string]string{
   104  				"repo": "test:5000/test/another_repository",
   105  				"tag":  "tag1",
   106  			},
   107  		}, {
   108  			reference: "test:5000/test/another_repository",
   109  			expectedQueryParams: map[string]string{
   110  				"repo": "test:5000/test/another_repository",
   111  				"tag":  "latest",
   112  			},
   113  		},
   114  	}
   115  	for _, tagCase := range tagCases {
   116  		client := &Client{
   117  			client: newMockClient(func(req *http.Request) (*http.Response, error) {
   118  				if !strings.HasPrefix(req.URL.Path, expectedURL) {
   119  					return nil, fmt.Errorf("expected URL '%s', got '%s'", expectedURL, req.URL)
   120  				}
   121  				if req.Method != "POST" {
   122  					return nil, fmt.Errorf("expected POST method, got %s", req.Method)
   123  				}
   124  				query := req.URL.Query()
   125  				for key, expected := range tagCase.expectedQueryParams {
   126  					actual := query.Get(key)
   127  					if actual != expected {
   128  						return nil, fmt.Errorf("%s not set in URL query properly. Expected '%s', got %s", key, expected, actual)
   129  					}
   130  				}
   131  				return &http.Response{
   132  					StatusCode: http.StatusOK,
   133  					Body:       ioutil.NopCloser(bytes.NewReader([]byte(""))),
   134  				}, nil
   135  			}),
   136  		}
   137  		err := client.ImageTag(context.Background(), "image_id", tagCase.reference)
   138  		if err != nil {
   139  			t.Fatal(err)
   140  		}
   141  	}
   142  }