packer-cn/vendor/github.com/rackspace/gophercloud/testhelper/http_responses.go

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2016-02-04 20:33:36 -05:00
package testhelper
import (
"encoding/json"
"io/ioutil"
"net/http"
"net/http/httptest"
"net/url"
"reflect"
"testing"
)
var (
// Mux is a multiplexer that can be used to register handlers.
Mux *http.ServeMux
// Server is an in-memory HTTP server for testing.
Server *httptest.Server
)
// SetupHTTP prepares the Mux and Server.
func SetupHTTP() {
Mux = http.NewServeMux()
Server = httptest.NewServer(Mux)
}
// TeardownHTTP releases HTTP-related resources.
func TeardownHTTP() {
Server.Close()
}
// Endpoint returns a fake endpoint that will actually target the Mux.
func Endpoint() string {
return Server.URL + "/"
}
// TestFormValues ensures that all the URL parameters given to the http.Request are the same as values.
func TestFormValues(t *testing.T, r *http.Request, values map[string]string) {
want := url.Values{}
for k, v := range values {
want.Add(k, v)
}
r.ParseForm()
if !reflect.DeepEqual(want, r.Form) {
t.Errorf("Request parameters = %v, want %v", r.Form, want)
}
}
// TestMethod checks that the Request has the expected method (e.g. GET, POST).
func TestMethod(t *testing.T, r *http.Request, expected string) {
if expected != r.Method {
t.Errorf("Request method = %v, expected %v", r.Method, expected)
}
}
// TestHeader checks that the header on the http.Request matches the expected value.
func TestHeader(t *testing.T, r *http.Request, header string, expected string) {
if actual := r.Header.Get(header); expected != actual {
t.Errorf("Header %s = %s, expected %s", header, actual, expected)
}
}
// TestBody verifies that the request body matches an expected body.
func TestBody(t *testing.T, r *http.Request, expected string) {
b, err := ioutil.ReadAll(r.Body)
if err != nil {
t.Errorf("Unable to read body: %v", err)
}
str := string(b)
if expected != str {
t.Errorf("Body = %s, expected %s", str, expected)
}
}
// TestJSONRequest verifies that the JSON payload of a request matches an expected structure, without asserting things about
// whitespace or ordering.
func TestJSONRequest(t *testing.T, r *http.Request, expected string) {
b, err := ioutil.ReadAll(r.Body)
if err != nil {
t.Errorf("Unable to read request body: %v", err)
}
var actualJSON interface{}
err = json.Unmarshal(b, &actualJSON)
if err != nil {
t.Errorf("Unable to parse request body as JSON: %v", err)
}
CheckJSONEquals(t, expected, actualJSON)
}