github.com/kaisenlinux/docker.io@v0.0.0-20230510090727-ea55db55fac7/engine/client/image_inspect_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  	"reflect"
    11  	"strings"
    12  	"testing"
    13  
    14  	"github.com/docker/docker/api/types"
    15  	"github.com/docker/docker/errdefs"
    16  	"github.com/pkg/errors"
    17  )
    18  
    19  func TestImageInspectError(t *testing.T) {
    20  	client := &Client{
    21  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    22  	}
    23  
    24  	_, _, err := client.ImageInspectWithRaw(context.Background(), "nothing")
    25  	if !errdefs.IsSystem(err) {
    26  		t.Fatalf("expected a Server Error, got %[1]T: %[1]v", err)
    27  	}
    28  }
    29  
    30  func TestImageInspectImageNotFound(t *testing.T) {
    31  	client := &Client{
    32  		client: newMockClient(errorMock(http.StatusNotFound, "Server error")),
    33  	}
    34  
    35  	_, _, err := client.ImageInspectWithRaw(context.Background(), "unknown")
    36  	if err == nil || !IsErrNotFound(err) {
    37  		t.Fatalf("expected an imageNotFound error, got %v", err)
    38  	}
    39  }
    40  
    41  func TestImageInspectWithEmptyID(t *testing.T) {
    42  	client := &Client{
    43  		client: newMockClient(func(req *http.Request) (*http.Response, error) {
    44  			return nil, errors.New("should not make request")
    45  		}),
    46  	}
    47  	_, _, err := client.ImageInspectWithRaw(context.Background(), "")
    48  	if !IsErrNotFound(err) {
    49  		t.Fatalf("Expected NotFoundError, got %v", err)
    50  	}
    51  }
    52  
    53  func TestImageInspect(t *testing.T) {
    54  	expectedURL := "/images/image_id/json"
    55  	expectedTags := []string{"tag1", "tag2"}
    56  	client := &Client{
    57  		client: newMockClient(func(req *http.Request) (*http.Response, error) {
    58  			if !strings.HasPrefix(req.URL.Path, expectedURL) {
    59  				return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
    60  			}
    61  			content, err := json.Marshal(types.ImageInspect{
    62  				ID:       "image_id",
    63  				RepoTags: expectedTags,
    64  			})
    65  			if err != nil {
    66  				return nil, err
    67  			}
    68  			return &http.Response{
    69  				StatusCode: http.StatusOK,
    70  				Body:       io.NopCloser(bytes.NewReader(content)),
    71  			}, nil
    72  		}),
    73  	}
    74  
    75  	imageInspect, _, err := client.ImageInspectWithRaw(context.Background(), "image_id")
    76  	if err != nil {
    77  		t.Fatal(err)
    78  	}
    79  	if imageInspect.ID != "image_id" {
    80  		t.Fatalf("expected `image_id`, got %s", imageInspect.ID)
    81  	}
    82  	if !reflect.DeepEqual(imageInspect.RepoTags, expectedTags) {
    83  		t.Fatalf("expected `%v`, got %v", expectedTags, imageInspect.RepoTags)
    84  	}
    85  }