gistfile1.txt

package client

import (
	"bytes"
	"fmt"
	"io/ioutil"
	"net/http"
	"strings"
	"testing"

	"golang.org/x/net/context"
)

// TestSetHostHeader should set fake host for local communications, set real host
// for normal communications.
func TestSetHostHeader(t *testing.T) {
	testURL := "/test"
	testCases := []struct {
		host            string
		expectedHost    string
		expectedURLHost string
	}{
		{
			"unix:///var/run/docker.sock",
			"docker",
			"docker",
		},
		{
			"npipe:////./pipe/docker_engine",
			"docker",
			"docker",
		},
		{
			"tcp://0.0.0.0:4243",
			"0.0.0.0:4243",
			"0.0.0.0:4243",
		},
		{
			"tcp://localhost:4243",
			"localhost:4243",
			"localhost:4243",
		},
	}

	for c, test := range testCases {
		client, _ := NewClient(test.host, "", nil, nil)

		client.transport = newMockClient(nil, func(req *http.Request) (*http.Response, error) {
			if !strings.HasPrefix(req.URL.Path, testURL) {
				return nil, fmt.Errorf("Test Case #%d: Expected URL %q, got %q", c, testURL, req.URL)
			}
			if req.Host != test.expectedHost {
				return nil, fmt.Errorf("Test Case #%d: Expected host %q, got %q", c, test.expectedHost, req.Host)
			}
			if req.URL.Host != test.expectedURLHost {
				return nil, fmt.Errorf("Test Case #%d: Expected URL host %q, got %q", c, test.expectedURLHost, req.URL.Host)
			}
			return &http.Response{
				StatusCode: http.StatusOK,
				Body:       ioutil.NopCloser(bytes.NewReader(([]byte("")))),
			}, nil
		})

		_, err := client.sendRequest(context.Background(), "GET", testURL, nil, nil, nil)
		if err != nil {
			t.Fatal(err)
		}
	}
}