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package main
import (
"net/http"
"net/http/httptest"
"strings"
"testing"
)
func TestHandleCaesarAllowed(t *testing.T) {
allowAll := func(r *http.Request) bool { return true }
bodyReader := strings.NewReader("hello world")
req := httptest.NewRequest("POST", "/", bodyReader)
resp := httptest.NewRecorder()
handler := handleCaesar(allowAll)
handler(resp, req)
if resp.Code != http.StatusOK {
t.Errorf("expected OK status %d but got %d", http.StatusOK, resp.Code)
}
body := string(resp.Body.Bytes())
if body != "khoor zruog" {
t.Errorf("got unexpected body %s", body)
}
}
func TestCaesarNotAllowed(t *testing.T) {
denyAll := func(r *http.Request) bool { return false }
req := httptest.NewRequest("POST", "/", nil)
resp := httptest.NewRecorder()
handler := handleCaesar(denyAll)
handler(resp, req)
if resp.Code != http.StatusUnauthorized {
t.Errorf("should not have been authorized")
}
if len(resp.Body.Bytes()) != 0 {
t.Errorf("should not have gotten a response body")
}
}
func TestCaesarBadRequest(t *testing.T) {
allowAll := func(r *http.Request) bool { return true }
req := httptest.NewRequest("GET", "/", nil)
resp := httptest.NewRecorder()
handler := handleCaesar(allowAll)
handler(resp, req)
if resp.Code != http.StatusBadRequest {
t.Errorf("status should have been bad request, got %d", resp.Code)
}
if len(resp.Body.Bytes()) != 0 {
t.Errorf("should not have gotten a response body")
}
}
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