}
	bosm, err := filterResourceWithSelectAndIgnore(bom, sm, im)
	if err != nil {
		return "", err
	}

	return manifestDiff(aosm, bosm, im, verbose)
}

// FilterManifest selects and ignores subset from the manifest string
func FilterManifest(ms string, selectResources string, ignoreResources string) (string, error) {
	sm := getObjPathMap(selectResources)
	im := getObjPathMap(ignoreResources)

	want, err := readFile(outPath)
	if err != nil {
		t.Fatal(err)
	}
	diffSelect := "Deployment:*:istio-egressgateway, Service:*:istio-egressgateway"
	got, err = compare.FilterManifest(got, diffSelect, "")
	if err != nil {
		t.Errorf("error selecting from output manifest: %v", err)
	}
	diff := compare.YAMLCmp(got, want)
	if diff != "" {
		t.Errorf("`manifest generate` diff = %s", diff)
	}