package client
 
 import (
 	"bytes"
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
 	"net/http"
 	"strings"
 	"testing"
 
 	"github.com/docker/docker/api/types"

 	volumetypes "github.com/docker/docker/api/types/volume"

 	"golang.org/x/net/context"
 )
 
 func TestVolumeCreateError(t *testing.T) {
 	client := &Client{

 		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),

 	}
 

 	_, err := client.VolumeCreate(context.Background(), volumetypes.VolumesCreateBody{})

 	if err == nil || err.Error() != "Error response from daemon: Server error" {
 		t.Fatalf("expected a Server Error, got %v", err)
 	}
 }
 
 func TestVolumeCreate(t *testing.T) {
 	expectedURL := "/volumes/create"
 
 	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)
 			}
 
 			if req.Method != "POST" {
 				return nil, fmt.Errorf("expected POST method, got %s", req.Method)
 			}
 
 			content, err := json.Marshal(types.Volume{
 				Name:       "volume",
 				Driver:     "local",
 				Mountpoint: "mountpoint",
 			})
 			if err != nil {
 				return nil, err
 			}
 			return &http.Response{
 				StatusCode: http.StatusOK,
 				Body:       ioutil.NopCloser(bytes.NewReader(content)),
 			}, nil
 		}),
 	}
 

 	volume, err := client.VolumeCreate(context.Background(), volumetypes.VolumesCreateBody{

 		Name:   "myvolume",
 		Driver: "mydriver",
 		DriverOpts: map[string]string{
 			"opt-key": "opt-value",
 		},
 	})
 	if err != nil {
 		t.Fatal(err)
 	}
 	if volume.Name != "volume" {
 		t.Fatalf("expected volume.Name to be 'volume', got %s", volume.Name)
 	}
 	if volume.Driver != "local" {
 		t.Fatalf("expected volume.Driver to be 'local', got %s", volume.Driver)
 	}
 	if volume.Mountpoint != "mountpoint" {
 		t.Fatalf("expected volume.Mountpoint to be 'mountpoint', got %s", volume.Mountpoint)
 	}
 }