godog/examples/api/api_test.go

78 строки
1,7 КиБ
Go

package main
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"github.com/DATA-DOG/godog"
"github.com/DATA-DOG/godog/gherkin"
)
type apiFeature struct {
resp *httptest.ResponseRecorder
}
func (a *apiFeature) resetResponse(interface{}) {
a.resp = httptest.NewRecorder()
}
func (a *apiFeature) iSendrequestTo(method, endpoint string) (err error) {
req, err := http.NewRequest(method, endpoint, nil)
if err != nil {
return
}
// handle panic
defer func() {
switch t := recover().(type) {
case string:
err = fmt.Errorf(t)
case error:
err = t
}
}()
switch endpoint {
case "/version":
getVersion(a.resp, req)
default:
err = fmt.Errorf("unknown endpoint: %s", endpoint)
}
return
}
func (a *apiFeature) theResponseCodeShouldBe(code int) error {
if code != a.resp.Code {
return fmt.Errorf("expected response code to be: %d, but actual is: %d", code, a.resp.Code)
}
return nil
}
func (a *apiFeature) theResponseShouldMatchJSON(body *gherkin.DocString) (err error) {
var expected, actual []byte
var data interface{}
if err = json.Unmarshal([]byte(body.Content), &data); err != nil {
return
}
if expected, err = json.Marshal(data); err != nil {
return
}
actual = a.resp.Body.Bytes()
if !bytes.Equal(actual, expected) {
err = fmt.Errorf("expected json, does not match actual: %s", string(actual))
}
return
}
func featureContext(s *godog.Suite) {
api := &apiFeature{}
s.BeforeScenario(api.resetResponse)
s.Step(`^I send "(GET|POST|PUT|DELETE)" request to "([^"]*)"$`, api.iSendrequestTo)
s.Step(`^the response code should be (\d+)$`, api.theResponseCodeShouldBe)
s.Step(`^the response should match json:$`, api.theResponseShouldMatchJSON)
}