}
				t.Fatalf(cmp.Diff(got, want))
			}
		})
	}
}

// nolint: unparam
func generateManifest(inFile, flags string, chartSource chartSourceType, fileSelect []string) (string, object.K8sObjects, error) {
	inPath := filepath.Join(testDataDir, "input", inFile+".yaml")
	manifest, err := runManifestGenerate([]string{inPath}, flags, chartSource, fileSelect)
	if err != nil {

		// Attempt to use splice/sendfile() optimization, A very specific behavior mentioned below is necessary.
		// See https://github.com/golang/go/blob/f7c5cbb82087c55aa82081e931e0142783700ce8/src/net/sendfile_linux.go#L20
		// Windows can lock up with this optimization, so we fall back to regular copy.
		sr, ok := rc.(*sendFileReader)
		if ok {
			// Sendfile sends in 4MiB chunks per sendfile syscall which is more than enough

			}
		case cmdApply:
			objs, err = fakeApplyManifest(inFile, flags, chartSource)
		case cmdController:
			objs, err = fakeControllerReconcile(inFile, chartSource, nil)
		default:
		}
		if err != nil {
			return nil, err
		}
		out[cmd] = objs
	}

	return out, nil
}

// fakeApplyManifest runs istioctl install.
func fakeApplyManifest(inFile, flags string, chartSource chartSourceType) (*ObjectSet, error) {