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response_test.go
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response_test.go
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package respond_test
import (
"errors"
"fmt"
"net/http"
"net/http/httptest"
"testing"
resp "github.com/nicklaw5/go-respond"
)
func newRequest(t *testing.T, method string) *http.Request {
req, err := http.NewRequest(method, "/", nil)
if err != nil {
t.Fatal(err)
}
return req
}
func validateStatusCode(responseStatusCode int, expectedStatusCode int) error {
if responseStatusCode != expectedStatusCode {
return errors.New(fmt.Sprintf("Handler returned wrong status code: got %v wanted %v",
responseStatusCode, expectedStatusCode))
}
return nil
}
func validateResponseBody(responseBody string, expectedBody string) error {
if responseBody != expectedBody {
return errors.New(fmt.Sprintf("Handler returned unexpected body: got %v wanted %v",
responseBody, expectedBody))
}
return nil
}
func validateResponseHeader(responseHeaderValue string, expectedHeaderValue string) error {
if responseHeaderValue != expectedHeaderValue {
return errors.New(fmt.Sprintf("Handler returned unexpected body: got %v wanted %v",
responseHeaderValue, expectedHeaderValue))
}
return nil
}
func TestContentTyoeHeader(t *testing.T) {
req := newRequest(t, "POST")
rr := httptest.NewRecorder()
handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
resp.NewResponse(w).
Ok(nil)
})
handler.ServeHTTP(rr, req)
contentType := "application/json; charset=utf-8"
if err := validateResponseHeader(rr.Header().Get("Content-Type"), contentType); err != nil {
t.Fatal(err.Error())
}
}
func TestAddHeader(t *testing.T) {
req := newRequest(t, "POST")
rr := httptest.NewRecorder()
handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
resp.NewResponse(w).
AddHeader("foo", "bar").
AddHeader("ping", "pong").
Ok(nil)
})
handler.ServeHTTP(rr, req)
if err := validateResponseHeader(rr.Header().Get("ping"), "pong"); err != nil {
t.Fatal(err.Error())
}
if err := validateResponseHeader(rr.Header().Get("foo"), "bar"); err != nil {
t.Fatal(err.Error())
}
}
func TestDeleteHeader(t *testing.T) {
req := newRequest(t, "GET")
rr := httptest.NewRecorder()
handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
res := resp.NewResponse(w)
res.AddHeader("foo", "bar").
Ok(nil)
res.DeleteHeader("foo")
})
handler.ServeHTTP(rr, req)
if err := validateResponseBody(rr.Header().Get("foo"), ""); err != nil {
t.Fatal(err.Error())
}
}