package httpserver
import (
"net/http"
"net/http/httptest"
"testing"
"testing/fstest"
)
func testDistFS() fstest.MapFS {
return fstest.MapFS{
"index.html": {Data: []byte("")},
"assets/app.js": {Data: []byte("console.log('app')")},
"favicon.svg": {Data: []byte("")},
}
}
func TestSPAHandler(t *testing.T) {
cases := []struct {
name string
path string
wantBody string
}{
{"root serves index", "/", ""},
{"real file served as-is", "/assets/app.js", "console.log('app')"},
{"real top-level file served as-is", "/favicon.svg", ""},
{"deep link falls back to index", "/projects/42/board", ""},
{"unknown asset path falls back to index", "/assets/missing.js", ""},
}
handler := spaHandler(testDistFS())
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
req := httptest.NewRequest(http.MethodGet, tc.path, nil)
rec := httptest.NewRecorder()
handler(rec, req)
if rec.Code != http.StatusOK {
t.Fatalf("status = %d, want 200", rec.Code)
}
if got := rec.Body.String(); got != tc.wantBody {
t.Fatalf("body = %q, want %q", got, tc.wantBody)
}
})
}
}