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utils.go
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utils.go
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package testutils
import (
"crypto/tls"
"errors"
"io/ioutil"
"net/http"
"net/http/httptest"
"net/url"
"strings"
"time"
"github.com/mailgun/timetools"
"github.com/vulcand/oxy/utils"
)
// NewHandler creates a new Server
func NewHandler(handler http.HandlerFunc) *httptest.Server {
return httptest.NewServer(handler)
}
// NewResponder creates a new Server with response
func NewResponder(response string) *httptest.Server {
return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte(response))
}))
}
// ParseURI is the version of url.ParseRequestURI that panics if incorrect, helpful to shorten the tests
func ParseURI(uri string) *url.URL {
out, err := url.ParseRequestURI(uri)
if err != nil {
panic(err)
}
return out
}
// ReqOpts request options
type ReqOpts struct {
Host string
Method string
Body string
Headers http.Header
Auth *utils.BasicAuth
}
// ReqOption request option type
type ReqOption func(o *ReqOpts) error
// Method sets request method
func Method(m string) ReqOption {
return func(o *ReqOpts) error {
o.Method = m
return nil
}
}
// Host sets request host
func Host(h string) ReqOption {
return func(o *ReqOpts) error {
o.Host = h
return nil
}
}
// Body sets request body
func Body(b string) ReqOption {
return func(o *ReqOpts) error {
o.Body = b
return nil
}
}
// Header sets request header
func Header(name, val string) ReqOption {
return func(o *ReqOpts) error {
if o.Headers == nil {
o.Headers = make(http.Header)
}
o.Headers.Add(name, val)
return nil
}
}
// Headers sets request headers
func Headers(h http.Header) ReqOption {
return func(o *ReqOpts) error {
if o.Headers == nil {
o.Headers = make(http.Header)
}
utils.CopyHeaders(o.Headers, h)
return nil
}
}
// BasicAuth sets request basic auth
func BasicAuth(username, password string) ReqOption {
return func(o *ReqOpts) error {
o.Auth = &utils.BasicAuth{
Username: username,
Password: password,
}
return nil
}
}
// MakeRequest create and do a request
func MakeRequest(url string, opts ...ReqOption) (*http.Response, []byte, error) {
o := &ReqOpts{}
for _, s := range opts {
if err := s(o); err != nil {
return nil, nil, err
}
}
if o.Method == "" {
o.Method = http.MethodGet
}
request, err := http.NewRequest(o.Method, url, strings.NewReader(o.Body))
if err != nil {
return nil, nil, err
}
if o.Headers != nil {
utils.CopyHeaders(request.Header, o.Headers)
}
if o.Auth != nil {
request.Header.Set("Authorization", o.Auth.String())
}
if len(o.Host) != 0 {
request.Host = o.Host
}
var tr *http.Transport
if strings.HasPrefix(url, "https") {
tr = &http.Transport{
DisableKeepAlives: true,
TLSClientConfig: &tls.Config{
InsecureSkipVerify: true,
ServerName: request.Host,
},
}
} else {
tr = &http.Transport{
DisableKeepAlives: true,
}
}
client := &http.Client{
Transport: tr,
CheckRedirect: func(req *http.Request, via []*http.Request) error {
return errors.New("no redirects")
},
}
response, err := client.Do(request)
if err == nil {
bodyBytes, errRead := ioutil.ReadAll(response.Body)
return response, bodyBytes, errRead
}
return response, nil, err
}
// Get do a GET request
func Get(url string, opts ...ReqOption) (*http.Response, []byte, error) {
opts = append(opts, Method(http.MethodGet))
return MakeRequest(url, opts...)
}
// Post do a POST request
func Post(url string, opts ...ReqOption) (*http.Response, []byte, error) {
opts = append(opts, Method(http.MethodPost))
return MakeRequest(url, opts...)
}
// GetClock gets a FreezedTime
func GetClock() *timetools.FreezedTime {
return &timetools.FreezedTime{
CurrentTime: time.Date(2012, 3, 4, 5, 6, 7, 0, time.UTC),
}
}