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

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

 	}
 	_, err := client.ContainerStats(context.Background(), "nothing", false)
 	if err == nil || err.Error() != "Error response from daemon: Server error" {
 		t.Fatalf("expected a Server Error, got %v", err)
 	}
 }
 
 func TestContainerStats(t *testing.T) {
 	expectedURL := "/containers/container_id/stats"
 	cases := []struct {
 		stream         bool
 		expectedStream string
 	}{
 		{
 			expectedStream: "0",
 		},
 		{
 			stream:         true,
 			expectedStream: "1",
 		},
 	}
 	for _, c := range cases {
 		client := &Client{

 			client: newMockClient(func(r *http.Request) (*http.Response, error) {

 				if !strings.HasPrefix(r.URL.Path, expectedURL) {
 					return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, r.URL)
 				}
 
 				query := r.URL.Query()
 				stream := query.Get("stream")
 				if stream != c.expectedStream {
 					return nil, fmt.Errorf("stream not set in URL query properly. Expected '%s', got %s", c.expectedStream, stream)
 				}
 
 				return &http.Response{
 					StatusCode: http.StatusOK,
 					Body:       ioutil.NopCloser(bytes.NewReader([]byte("response"))),
 				}, nil
 			}),
 		}

 		resp, err := client.ContainerStats(context.Background(), "container_id", c.stream)

 		if err != nil {
 			t.Fatal(err)
 		}

 		defer resp.Body.Close()
 		content, err := ioutil.ReadAll(resp.Body)

 		if err != nil {
 			t.Fatal(err)
 		}
 		if string(content) != "response" {
 			t.Fatalf("expected response to contain 'response', got %s", string(content))
 		}
 	}
 }