inputFile:   "",
			wantConfigs: 0,
			wantErr:     true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			cw := &ConfigWriter{}
			cd, _ := os.ReadFile(tt.inputFile)
			err := cw.Prime(cd)
			if cw.configDump == nil {
				if tt.wantConfigs != 0 {
					t.Errorf("wanted some configs loaded but config dump was nil")
				}

	_, err = io.ReadFull(f, dst)
	return dst, st, err
}

// ReadFile reads the named file and returns the contents.
// A successful call returns err == nil, not err == EOF.
// Because ReadFile reads the whole file, it does not treat an EOF from Read
// as an error to be reported.
//
// passes NOATIME flag for reads on Unix systems to avoid atime updates.
func ReadFile(name string) ([]byte, error) {
	// Don't wrap with un-needed buffer.

// decrypted using the ENV_VAR: MINIO_CERT_PASSWD.
func LoadX509KeyPair(certFile, keyFile string) (tls.Certificate, error) {
	certPEMBlock, err := os.ReadFile(certFile)
	if err != nil {
		return tls.Certificate{}, ErrTLSReadError(nil).Msg("Unable to read the public key: %s", err)
	}
	keyPEMBlock, err := os.ReadFile(keyFile)
	if err != nil {
		return tls.Certificate{}, ErrTLSReadError(nil).Msg("Unable to read the private key: %s", err)
	}

func TestComparatorMismatchedConfigs(t *testing.T) {
	cfg, err := os.ReadFile("testdata/configdump.json")
	if err != nil {
		t.Fatalf("Failed to read test data: %v", err)
	}
	diffCfg, err := os.ReadFile("testdata/configdump_diff.json")
	if err != nil {
		t.Fatalf("Failed to read test data: %v", err)
	}

	var outputBuffer bytes.Buffer

	cw := &ConfigWriter{Stdout: gotOut}
	cd, _ := os.ReadFile("testdata/ecds/configdump.json")
	cw.Prime(cd)
	err := cw.PrintEcdsSummary()
	assert.NoError(t, err)

	util.CompareContent(t, gotOut.Bytes(), "testdata/ecds/output.txt")
}

func TestPrintEcdsYaml(t *testing.T) {
	gotOut := &bytes.Buffer{}
	cw := &ConfigWriter{Stdout: gotOut}
	cd, _ := os.ReadFile("testdata/ecds/configdump.json")
	cw.Prime(cd)

	} else {
		caFile := model.GetOrDefault(cfg.KubeCAFile, constants.ServiceAccountPath+"/ca.crt")
		caContents, err := os.ReadFile(caFile)
		if err != nil {
			return kubeconfig{}, err
		}
		cluster.CertificateAuthorityData = caContents
	}

	token, err := os.ReadFile(constants.ServiceAccountPath + "/token")
	if err != nil {
		return kubeconfig{}, err
	}

	const contextName = "istio-cni-context"

			if refreshGoldenFiles() {
				t.Logf("Refreshing golden file for %s", outPath)
				if err := os.WriteFile(outPath, []byte(got), 0o644); err != nil {
					t.Error(err)
				}
			}

			want, err := readFile(outPath)
			if err != nil {
				t.Fatal(err)
			}
			if !util.IsYAMLEqual(got, want) {
				t.Errorf("profile-dump command(%s): got:\n%s\n\nwant:\n%s\nDiff:\n%s\n", tt.desc, got, want, util.YAMLDiff(got, want))
			}

			inputFile:   "testdata/dump.json",
			wantConfigs: 27,
			wantErr:     false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			cw := &ConfigWriter{}
			cd, _ := os.ReadFile(tt.inputFile)
			err := cw.Prime(cd)
			if cw.ztunnelDump == nil {
				if tt.wantConfigs != 0 {
					t.Errorf("wanted some configs loaded but config dump was nil")
				}

			filter: EndpointFilter{
				Port: 8080,
			},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			gotOut := &bytes.Buffer{}
			cw := &ConfigWriter{Stdout: gotOut}
			cd, _ := os.ReadFile("testdata/endpoint/configdump.json")
			cw.Prime(cd)
			err := cw.PrintEndpointsSummary(tt.filter)
			assert.NoError(t, err)

			wantOutputFile := path.Join("testdata/endpoint", fmt.Sprintf("%s_output.txt", tt.name))

	tillOffset int64           // Affects the length of data requested in disk.ReadFile depending on Read()'s offset
	buf        []byte          // Holds bit-rot verified data
}

func (b *wholeBitrotReader) ReadAt(buf []byte, offset int64) (n int, err error) {
	if b.buf == nil {
		b.buf = make([]byte, b.tillOffset-offset)
		if _, err := b.disk.ReadFile(context.TODO(), b.volume, b.filePath, offset, b.buf, b.verifier); err != nil {