102 строки
2,2 КиБ
Go
102 строки
2,2 КиБ
Go
package main
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"net/http/httptest"
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"github.com/DATA-DOG/godog"
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"github.com/DATA-DOG/godog/gherkin"
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)
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type apiFeature struct {
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resp *httptest.ResponseRecorder
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}
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func (a *apiFeature) resetResponse(interface{}) {
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a.resp = httptest.NewRecorder()
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}
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func (a *apiFeature) iSendrequestTo(method, endpoint string) (err error) {
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req, err := http.NewRequest(method, endpoint, nil)
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if err != nil {
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return
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}
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// handle panic
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defer func() {
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switch t := recover().(type) {
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case string:
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err = fmt.Errorf(t)
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case error:
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err = t
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}
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}()
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switch endpoint {
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case "/version":
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getVersion(a.resp, req)
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default:
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err = fmt.Errorf("unknown endpoint: %s", endpoint)
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}
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return
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}
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func (a *apiFeature) theResponseCodeShouldBe(code int) error {
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if code != a.resp.Code {
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return fmt.Errorf("expected response code to be: %d, but actual is: %d", code, a.resp.Code)
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}
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return nil
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}
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func (a *apiFeature) theResponseShouldMatchJSON(body *gherkin.DocString) (err error) {
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var expected, actual []byte
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var exp, act interface{}
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// re-encode expected response
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if err = json.Unmarshal([]byte(body.Content), &exp); err != nil {
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return
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}
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if expected, err = json.MarshalIndent(exp, "", " "); err != nil {
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return
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}
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// re-encode actual response too
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if err = json.Unmarshal(a.resp.Body.Bytes(), &act); err != nil {
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return
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}
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if actual, err = json.MarshalIndent(act, "", " "); err != nil {
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return
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}
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// the matching may be adapted per different requirements.
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if len(actual) != len(expected) {
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return fmt.Errorf(
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"expected json length: %d does not match actual: %d:\n%s",
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len(expected),
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len(actual),
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string(actual),
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)
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}
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for i, b := range actual {
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if b != expected[i] {
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return fmt.Errorf(
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"expected JSON does not match actual, showing up to last matched character:\n%s",
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string(actual[:i+1]),
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)
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}
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}
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return
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}
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func FeatureContext(s *godog.Suite) {
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api := &apiFeature{}
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s.BeforeScenario(api.resetResponse)
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s.Step(`^I send "(GET|POST|PUT|DELETE)" request to "([^"]*)"$`, api.iSendrequestTo)
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s.Step(`^the response code should be (\d+)$`, api.theResponseCodeShouldBe)
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s.Step(`^the response should match json:$`, api.theResponseShouldMatchJSON)
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}
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