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moby--moby/client/image_inspect_test.go

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package client
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"reflect"
"strings"
"testing"
"github.com/docker/docker/api/types"
"golang.org/x/net/context"
)
func TestImageInspectError(t *testing.T) {
client := &Client{
client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
}
_, _, err := client.ImageInspectWithRaw(context.Background(), "nothing")
if err == nil || err.Error() != "Error response from daemon: Server error" {
t.Fatalf("expected a Server Error, got %v", err)
}
}
func TestImageInspectImageNotFound(t *testing.T) {
client := &Client{
client: newMockClient(errorMock(http.StatusNotFound, "Server error")),
}
_, _, err := client.ImageInspectWithRaw(context.Background(), "unknown")
if err == nil || !IsErrImageNotFound(err) {
t.Fatalf("expected an imageNotFound error, got %v", err)
}
}
func TestImageInspect(t *testing.T) {
expectedURL := "/images/image_id/json"
expectedTags := []string{"tag1", "tag2"}
client := &Client{
client: newMockClient(func(req *http.Request) (*http.Response, error) {
if !strings.HasPrefix(req.URL.Path, expectedURL) {
return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
}
content, err := json.Marshal(types.ImageInspect{
ID: "image_id",
RepoTags: expectedTags,
})
if err != nil {
return nil, err
}
return &http.Response{
StatusCode: http.StatusOK,
Body: ioutil.NopCloser(bytes.NewReader(content)),
}, nil
}),
}
imageInspect, _, err := client.ImageInspectWithRaw(context.Background(), "image_id")
if err != nil {
t.Fatal(err)
}
if imageInspect.ID != "image_id" {
t.Fatalf("expected `image_id`, got %s", imageInspect.ID)
}
if !reflect.DeepEqual(imageInspect.RepoTags, expectedTags) {
t.Fatalf("expected `%v`, got %v", expectedTags, imageInspect.RepoTags)
}
}