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package customheaders_test
import (
"net/http"
"net/http/httptest"
"testing"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitlab-pages/internal/customheaders"
)
func TestAddCustomHeaders(t *testing.T) {
tests := []struct {
name string
headers http.Header
wantHeaders map[string]string
}{
{
name: "Normal case",
headers: http.Header{"X-Test-String": []string{"Test"}},
wantHeaders: map[string]string{"X-Test-String": "Test"},
},
{
name: "Non-tracking header case",
headers: http.Header{"Tk": []string{"N"}},
wantHeaders: map[string]string{"Tk": "N"},
},
{
name: "Content security header case",
headers: http.Header{"content-security-policy": []string{"default-src 'self'"}},
wantHeaders: map[string]string{"Content-Security-Policy": "default-src 'self'"},
},
{
name: "Multiple header strings",
headers: http.Header{"content-security-policy": []string{"default-src 'self'"}, "X-Test-String": []string{"Test"}, "My amazing header": []string{"Amazing"}},
wantHeaders: map[string]string{"Content-Security-Policy": "default-src 'self'", "X-Test-String": "Test", "My amazing header": "Amazing"},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
w := httptest.NewRecorder()
customheaders.AddCustomHeaders(w, tt.headers)
rsp := w.Result()
for k, v := range tt.wantHeaders {
require.Len(t, rsp.Header[k], 1)
// use the map directly to make sure ParseHeaderString is adding the canonical keys
got := rsp.Header[k][0]
require.Equal(t, v, got, "Expected header %+v, got %+v", v, got)
}
})
}
}
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