package client // import "github.com/docker/docker/client"

 
 import (
 	"bytes"

 	"context"

 	"encoding/json"
 	"fmt"
 	"io/ioutil"
 	"net/http"
 	"strings"
 	"testing"
 
 	"github.com/docker/docker/api/types"

 	"github.com/docker/docker/errdefs"

 )
 
 func TestContainerCommitError(t *testing.T) {
 	client := &Client{

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

 	}
 	_, err := client.ContainerCommit(context.Background(), "nothing", types.ContainerCommitOptions{})
 	if err == nil || err.Error() != "Error response from daemon: Server error" {
 		t.Fatalf("expected a Server Error, got %v", err)
 	}

 	if !errdefs.IsSystem(err) {
 		t.Fatalf("expected a Server Error, got %T", err)
 	}

 }
 
 func TestContainerCommit(t *testing.T) {
 	expectedURL := "/commit"
 	expectedContainerID := "container_id"
 	specifiedReference := "repository_name:tag"
 	expectedRepositoryName := "repository_name"
 	expectedTag := "tag"
 	expectedComment := "comment"
 	expectedAuthor := "author"
 	expectedChanges := []string{"change1", "change2"}
 
 	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)
 			}
 			query := req.URL.Query()
 			containerID := query.Get("container")
 			if containerID != expectedContainerID {
 				return nil, fmt.Errorf("container id not set in URL query properly. Expected '%s', got %s", expectedContainerID, containerID)
 			}
 			repo := query.Get("repo")
 			if repo != expectedRepositoryName {
 				return nil, fmt.Errorf("container repo not set in URL query properly. Expected '%s', got %s", expectedRepositoryName, repo)
 			}
 			tag := query.Get("tag")
 			if tag != expectedTag {
 				return nil, fmt.Errorf("container tag not set in URL query properly. Expected '%s', got %s'", expectedTag, tag)
 			}
 			comment := query.Get("comment")
 			if comment != expectedComment {
 				return nil, fmt.Errorf("container comment not set in URL query properly. Expected '%s', got %s'", expectedComment, comment)
 			}
 			author := query.Get("author")
 			if author != expectedAuthor {
 				return nil, fmt.Errorf("container author not set in URL query properly. Expected '%s', got %s'", expectedAuthor, author)
 			}
 			pause := query.Get("pause")
 			if pause != "0" {
 				return nil, fmt.Errorf("container pause not set in URL query properly. Expected 'true', got %v'", pause)
 			}
 			changes := query["changes"]
 			if len(changes) != len(expectedChanges) {
 				return nil, fmt.Errorf("expected container changes size to be '%d', got %d", len(expectedChanges), len(changes))
 			}

 			b, err := json.Marshal(types.IDResponse{

 				ID: "new_container_id",
 			})
 			if err != nil {
 				return nil, err
 			}
 			return &http.Response{
 				StatusCode: http.StatusOK,
 				Body:       ioutil.NopCloser(bytes.NewReader(b)),
 			}, nil
 		}),
 	}
 
 	r, err := client.ContainerCommit(context.Background(), expectedContainerID, types.ContainerCommitOptions{
 		Reference: specifiedReference,
 		Comment:   expectedComment,
 		Author:    expectedAuthor,
 		Changes:   expectedChanges,
 		Pause:     false,
 	})
 	if err != nil {
 		t.Fatal(err)
 	}
 	if r.ID != "new_container_id" {

 		t.Fatalf("expected `new_container_id`, got %s", r.ID)

 	}
 }