package client
 
 import (
 	"bytes"
 	"fmt"
 	"io/ioutil"
 	"net/http"
 	"strings"
 	"testing"
 
 	"golang.org/x/net/context"
 )
 
 func TestImageLoadError(t *testing.T) {
 	client := &Client{

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

 	}
 
 	_, err := client.ImageLoad(context.Background(), nil, true)
 	if err == nil || err.Error() != "Error response from daemon: Server error" {
 		t.Fatalf("expected a Server Error, got %v", err)
 	}
 }
 
 func TestImageLoad(t *testing.T) {
 	expectedURL := "/images/load"
 	expectedInput := "inputBody"
 	expectedOutput := "outputBody"
 	loadCases := []struct {
 		quiet                bool
 		responseContentType  string
 		expectedResponseJSON bool
 		expectedQueryParams  map[string]string
 	}{
 		{
 			quiet:                false,
 			responseContentType:  "text/plain",
 			expectedResponseJSON: false,
 			expectedQueryParams: map[string]string{
 				"quiet": "0",
 			},
 		},
 		{
 			quiet:                true,
 			responseContentType:  "application/json",
 			expectedResponseJSON: true,
 			expectedQueryParams: map[string]string{
 				"quiet": "1",
 			},
 		},
 	}
 	for _, loadCase := range loadCases {
 		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)
 				}
 				contentType := req.Header.Get("Content-Type")
 				if contentType != "application/x-tar" {
 					return nil, fmt.Errorf("content-type not set in URL headers properly. Expected 'application/x-tar', got %s", contentType)
 				}
 				query := req.URL.Query()
 				for key, expected := range loadCase.expectedQueryParams {
 					actual := query.Get(key)
 					if actual != expected {
 						return nil, fmt.Errorf("%s not set in URL query properly. Expected '%s', got %s", key, expected, actual)
 					}
 				}
 				headers := http.Header{}
 				headers.Add("Content-Type", loadCase.responseContentType)
 				return &http.Response{
 					StatusCode: http.StatusOK,
 					Body:       ioutil.NopCloser(bytes.NewReader([]byte(expectedOutput))),
 					Header:     headers,
 				}, nil
 			}),
 		}
 
 		input := bytes.NewReader([]byte(expectedInput))
 		imageLoadResponse, err := client.ImageLoad(context.Background(), input, loadCase.quiet)
 		if err != nil {
 			t.Fatal(err)
 		}
 		if imageLoadResponse.JSON != loadCase.expectedResponseJSON {
 			t.Fatalf("expected a JSON response, was not.")
 		}
 		body, err := ioutil.ReadAll(imageLoadResponse.Body)
 		if err != nil {
 			t.Fatal(err)
 		}
 		if string(body) != expectedOutput {
 			t.Fatalf("expected %s, got %s", expectedOutput, string(body))
 		}
 	}
 }