headers_test.go
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package security
import (
"net/http"
"net/http/httptest"
"strings"
"testing"
)
func TestHeaders_SetsSecurityHeaders(t *testing.T) {
mw := New(WithHeaders())
handler := mw(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
}))
rec := httptest.NewRecorder()
req := httptest.NewRequest("GET", "/", nil)
handler.ServeHTTP(rec, req)
if rec.Header().Get("X-Content-Type-Options") != "nosniff" {
t.Error("expected X-Content-Type-Options: nosniff")
}
if rec.Header().Get("X-Frame-Options") != "DENY" {
t.Error("expected X-Frame-Options: DENY")
}
if rec.Header().Get("Referrer-Policy") != "strict-origin-when-cross-origin" {
t.Error("expected Referrer-Policy header")
}
}
func TestHeaders_CSPWithNonce(t *testing.T) {
mw := New(WithNonce(), WithHeaders())
handler := mw(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
}))
rec := httptest.NewRecorder()
req := httptest.NewRequest("GET", "/", nil)
handler.ServeHTTP(rec, req)
csp := rec.Header().Get("Content-Security-Policy")
if csp == "" {
t.Fatal("expected CSP header")
}
if !strings.Contains(csp, "nonce-") {
t.Errorf("CSP should contain nonce, got: %s", csp)
}
}
func TestHeaders_NoCSPWithoutNonce(t *testing.T) {
mw := New(WithHeaders())
handler := mw(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
}))
rec := httptest.NewRecorder()
req := httptest.NewRequest("GET", "/", nil)
handler.ServeHTTP(rec, req)
csp := rec.Header().Get("Content-Security-Policy")
if csp != "" {
t.Errorf("expected no CSP without nonce, got: %s", csp)
}
}