github.com/zhouyu0/docker-note@v0.0.0-20190722021225-b8d3825084db/client/image_create_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  	"github.com/docker/docker/api/types"
    13  )
    14  
    15  func TestImageCreateError(t *testing.T) {
    16  	client := &Client{
    17  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    18  	}
    19  	_, err := client.ImageCreate(context.Background(), "reference", types.ImageCreateOptions{})
    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  func TestImageCreate(t *testing.T) {
    26  	expectedURL := "/images/create"
    27  	expectedImage := "test:5000/my_image"
    28  	expectedTag := "sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
    29  	expectedReference := fmt.Sprintf("%s@%s", expectedImage, expectedTag)
    30  	expectedRegistryAuth := "eyJodHRwczovL2luZGV4LmRvY2tlci5pby92MS8iOnsiYXV0aCI6ImRHOTBid289IiwiZW1haWwiOiJqb2huQGRvZS5jb20ifX0="
    31  	client := &Client{
    32  		client: newMockClient(func(r *http.Request) (*http.Response, error) {
    33  			if !strings.HasPrefix(r.URL.Path, expectedURL) {
    34  				return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, r.URL)
    35  			}
    36  			registryAuth := r.Header.Get("X-Registry-Auth")
    37  			if registryAuth != expectedRegistryAuth {
    38  				return nil, fmt.Errorf("X-Registry-Auth header not properly set in the request. Expected '%s', got %s", expectedRegistryAuth, registryAuth)
    39  			}
    40  
    41  			query := r.URL.Query()
    42  			fromImage := query.Get("fromImage")
    43  			if fromImage != expectedImage {
    44  				return nil, fmt.Errorf("fromImage not set in URL query properly. Expected '%s', got %s", expectedImage, fromImage)
    45  			}
    46  
    47  			tag := query.Get("tag")
    48  			if tag != expectedTag {
    49  				return nil, fmt.Errorf("tag not set in URL query properly. Expected '%s', got %s", expectedTag, tag)
    50  			}
    51  
    52  			return &http.Response{
    53  				StatusCode: http.StatusOK,
    54  				Body:       ioutil.NopCloser(bytes.NewReader([]byte("body"))),
    55  			}, nil
    56  		}),
    57  	}
    58  
    59  	createResponse, err := client.ImageCreate(context.Background(), expectedReference, types.ImageCreateOptions{
    60  		RegistryAuth: expectedRegistryAuth,
    61  	})
    62  	if err != nil {
    63  		t.Fatal(err)
    64  	}
    65  	response, err := ioutil.ReadAll(createResponse)
    66  	if err != nil {
    67  		t.Fatal(err)
    68  	}
    69  	if err = createResponse.Close(); err != nil {
    70  		t.Fatal(err)
    71  	}
    72  	if string(response) != "body" {
    73  		t.Fatalf("expected Body to contain 'body' string, got %s", response)
    74  	}
    75  }