github.com/kinvolk/docker@v1.13.1/client/image_inspect_test.go (about)

     1  package client
     2  
     3  import (
     4  	"bytes"
     5  	"encoding/json"
     6  	"fmt"
     7  	"io/ioutil"
     8  	"net/http"
     9  	"reflect"
    10  	"strings"
    11  	"testing"
    12  
    13  	"github.com/docker/docker/api/types"
    14  	"golang.org/x/net/context"
    15  )
    16  
    17  func TestImageInspectError(t *testing.T) {
    18  	client := &Client{
    19  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    20  	}
    21  
    22  	_, _, err := client.ImageInspectWithRaw(context.Background(), "nothing")
    23  	if err == nil || err.Error() != "Error response from daemon: Server error" {
    24  		t.Fatalf("expected a Server Error, got %v", err)
    25  	}
    26  }
    27  
    28  func TestImageInspectImageNotFound(t *testing.T) {
    29  	client := &Client{
    30  		client: newMockClient(errorMock(http.StatusNotFound, "Server error")),
    31  	}
    32  
    33  	_, _, err := client.ImageInspectWithRaw(context.Background(), "unknown")
    34  	if err == nil || !IsErrImageNotFound(err) {
    35  		t.Fatalf("expected an imageNotFound error, got %v", err)
    36  	}
    37  }
    38  
    39  func TestImageInspect(t *testing.T) {
    40  	expectedURL := "/images/image_id/json"
    41  	expectedTags := []string{"tag1", "tag2"}
    42  	client := &Client{
    43  		client: newMockClient(func(req *http.Request) (*http.Response, error) {
    44  			if !strings.HasPrefix(req.URL.Path, expectedURL) {
    45  				return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
    46  			}
    47  			content, err := json.Marshal(types.ImageInspect{
    48  				ID:       "image_id",
    49  				RepoTags: expectedTags,
    50  			})
    51  			if err != nil {
    52  				return nil, err
    53  			}
    54  			return &http.Response{
    55  				StatusCode: http.StatusOK,
    56  				Body:       ioutil.NopCloser(bytes.NewReader(content)),
    57  			}, nil
    58  		}),
    59  	}
    60  
    61  	imageInspect, _, err := client.ImageInspectWithRaw(context.Background(), "image_id")
    62  	if err != nil {
    63  		t.Fatal(err)
    64  	}
    65  	if imageInspect.ID != "image_id" {
    66  		t.Fatalf("expected `image_id`, got %s", imageInspect.ID)
    67  	}
    68  	if !reflect.DeepEqual(imageInspect.RepoTags, expectedTags) {
    69  		t.Fatalf("expected `%v`, got %v", expectedTags, imageInspect.RepoTags)
    70  	}
    71  }