Golang proto.MarshalText函数代码示例

func TestNew(t *testing.T) {
	if _, err := New("fakefile"); err == nil {
		t.Errorf("wanted to return error for nonexistent file")
	}

	testInput := &redditproto.UserAgent{}
	if err := proto.UnmarshalText(`
		user_agent: "test"
		client_id: "id"
		client_secret: "secret"
		username: "user"
		password: "pass"
	`, testInput); err != nil {
		t.Errorf("failed to build test expectation proto: %v", err)
	}

	testFile, err := ioutil.TempFile("", "user_agent")
	if err != nil {
		t.Errorf("failed to make test input file: %v", err)
	}

	if err := proto.MarshalText(testFile, testInput); err != nil {
		t.Errorf("failed to write test input file: %v", err)
	}

	if _, err := New(testFile.Name()); err != nil {
		t.Errorf("error: %v", err)
	}
}

func TestLoad(t *testing.T) {
	expected := &redditproto.UserAgent{}
	if err := proto.UnmarshalText(`
		user_agent: "test"
		client_id: "id"
		client_secret: "secret"
		username: "user"
		password: "pass"
	`, expected); err != nil {
		t.Errorf("failed to build test expectation proto: %v", err)
	}

	testFile, err := ioutil.TempFile("", "user_agent")
	if err != nil {
		t.Errorf("failed to make test input file: %v", err)
	}

	if err := proto.MarshalText(testFile, expected); err != nil {
		t.Errorf("failed to write test input file: %v", err)
	}

	if _, err := loadAgentFile("notarealfile"); err == nil {
		t.Errorf("wanted error returned with nonexistent file as input")
	}

	actual, err := loadAgentFile(testFile.Name())
	if err != nil {
		t.Errorf("failed: %v", err)
	}

	if !proto.Equal(expected, actual) {
		t.Errorf("got %v; wanted %v", actual, expected)
	}
}

func BenchmarkMarshalTextUnbuffered(b *testing.B) {
	w := ioutil.Discard
	m := newTestMessage()
	for i := 0; i < b.N; i++ {
		proto.MarshalText(w, m)
	}
}

func MarshalText(w io.Writer, m *Manifest) error {
	var bm pb.Manifest
	for _, resource := range m.Resources {
		bm.Resource = append(bm.Resource, toProto(resource))
	}

	return proto.MarshalText(w, &bm)
}

func BenchmarkMarshalTextBuffered(b *testing.B) {
	buf := new(bytes.Buffer)
	m := newTestMessage()
	for i := 0; i < b.N; i++ {
		buf.Reset()
		proto.MarshalText(buf, m)
	}
}

func dumpWeights(w http.ResponseWriter, r *http.Request) {
	def := &caffe2.TensorProtos{}
	data, err := ioutil.ReadFile("inception_tensors.pb")
	if err != nil {
		log.Fatal(err)
	}
	proto.Unmarshal(data, def)
	proto.MarshalText(w, def)
}

func dumpNet(w http.ResponseWriter, r *http.Request) {
	def := &caffe2.NetDef{}
	data, err := ioutil.ReadFile("inception_net.pb")
	if err != nil {
		log.Fatal(err)
	}
	proto.Unmarshal(data, def)
	proto.MarshalText(w, def)
}

func TestMarshalTextCustomMessage(t *testing.T) {
	buf := new(bytes.Buffer)
	if err := proto.MarshalText(buf, &textMessage{}); err != nil {
		t.Fatalf("proto.MarshalText: %v", err)
	}
	s := buf.String()
	if s != "custom" {
		t.Errorf("Got %q, expected %q", s, "custom")
	}
}

func TestMarshalText(t *testing.T) {
	buf := new(bytes.Buffer)
	if err := proto.MarshalText(buf, newTestMessage()); err != nil {
		t.Fatalf("proto.MarshalText: %v", err)
	}
	s := buf.String()
	if s != text {
		t.Errorf("Got:\n===\n%v===\nExpected:\n===\n%v===\n", s, text)
	}
}

func TestInitAcls(t *testing.T) {
	if _, err := os.Stat("./tmpdir"); os.IsNotExist(err) {
		err = os.Mkdir("./tmpdir", 0777)
		if err != nil {
			t.Fatal(err)
		}
	}
	trustedEntities := TrustedEntities{
		TrustedProgramTaoNames: []string{fmt.Sprintf("%v", programName)},
		TrustedHostTaoNames:    []string{fmt.Sprintf("%v", hostName)},
		TrustedMachineInfos:    []string{machineName}}
	f, err := os.Create("./tmpdir/TrustedEntities")
	if err != nil {
		t.Fatal(err)
	}
	err = proto.MarshalText(f, &trustedEntities)
	if err != nil {
		t.Fatal(err)
	}
	err = f.Close()
	if err != nil {
		t.Fatal(err)
	}
	aclGuardType := "ACLs"
	aclGuardPath := "acls"
	cfg := tao.DomainConfig{
		DomainInfo: &tao.DomainDetails{
			GuardType: &aclGuardType},
		AclGuardInfo: &tao.ACLGuardDetails{
			SignedAclsPath: &aclGuardPath}}
	domain, err := tao.CreateDomain(cfg, "./tmpdir/domain", []byte("xxx"))
	if err != nil {
		t.Fatal(err)
	}
	err = InitAcls(domain, "./tmpdir/TrustedEntities")
	if err != nil {
		t.Fatal(err)
	}
	machinePrin := auth.Prin{
		Type:    "MachineInfo",
		KeyHash: auth.Str(machineName),
	}
	if !domain.Guard.IsAuthorized(*programName, "Execute", []string{}) ||
		!domain.Guard.IsAuthorized(*hostName, "Host", []string{}) ||
		!domain.Guard.IsAuthorized(machinePrin, "Root", []string{}) {
		t.Fatal("Authorization checks fail")
	}
	err = os.RemoveAll("./tmpdir")
	if err != nil {
		t.Fatal(err)
	}
}

func TestMarshalTextNil(t *testing.T) {
	want := "<nil>"
	tests := []proto.Message{nil, (*pb.MyMessage)(nil)}
	for i, test := range tests {
		buf := new(bytes.Buffer)
		if err := proto.MarshalText(buf, test); err != nil {
			t.Fatal(err)
		}
		if got := buf.String(); got != want {
			t.Errorf("%d: got %q want %q", i, got, want)
		}
	}
}

func TestStringEscaping(t *testing.T) {
	testCases := []struct {
		in  *pb.Strings
		out string
	}{
		{
			// Test data from C++ test (TextFormatTest.StringEscape).
			// Single divergence: we don't escape apostrophes.
			&pb.Strings{StringField: proto.String("\"A string with ' characters \n and \r newlines and \t tabs and \001 slashes \\ and  multiple   spaces")},
			"string_field: \"\\\"A string with ' characters \\n and \\r newlines and \\t tabs and \\001 slashes \\\\ and  multiple   spaces\"\n",
		},
		{
			// Test data from the same C++ test.
			&pb.Strings{StringField: proto.String("\350\260\267\346\255\214")},
			"string_field: \"\\350\\260\\267\\346\\255\\214\"\n",
		},
		{
			// Some UTF-8.
			&pb.Strings{StringField: proto.String("\x00\x01\xff\x81")},
			`string_field: "\000\001\377\201"` + "\n",
		},
	}

	for i, tc := range testCases {
		var buf bytes.Buffer
		if err := proto.MarshalText(&buf, tc.in); err != nil {
			t.Errorf("proto.MarsalText: %v", err)
			continue
		}
		s := buf.String()
		if s != tc.out {
			t.Errorf("#%d: Got:\n%s\nExpected:\n%s\n", i, s, tc.out)
			continue
		}

		// Check round-trip.
		pb := new(pb.Strings)
		if err := proto.UnmarshalText(s, pb); err != nil {
			t.Errorf("#%d: UnmarshalText: %v", i, err)
			continue
		}
		if !proto.Equal(pb, tc.in) {
			t.Errorf("#%d: Round-trip failed:\nstart: %v\n  end: %v", i, tc.in, pb)
		}
	}
}

func TestMarshalTextFailing(t *testing.T) {
	// Try lots of different sizes to exercise more error code-paths.
	for lim := 0; lim < len(text); lim++ {
		buf := new(limitedWriter)
		buf.limit = lim
		err := proto.MarshalText(buf, newTestMessage())
		// We expect a certain error, but also some partial results in the buffer.
		if err != outOfSpace {
			t.Errorf("Got:\n===\n%v===\nExpected:\n===\n%v===\n", err, outOfSpace)
		}
		s := buf.b.String()
		x := text[:buf.limit]
		if s != x {
			t.Errorf("Got:\n===\n%v===\nExpected:\n===\n%v===\n", s, x)
		}
	}
}

func modifySolverNetSpec(sourceBytes []byte) ([]byte, error) {

	// read into object with protobuf (must have already generated go protobuf code)
	netParam := &caffe.NetParameter{}

	if err := proto.UnmarshalText(string(sourceBytes), netParam); err != nil {
		return nil, err
	}

	// modify object fields
	for _, layerParam := range netParam.Layers {

		switch *layerParam.Type {
		case caffe.V1LayerParameter_IMAGE_DATA:

			if isTrainingPhase(layerParam) {
				layerParam.ImageDataParam.Source = proto.String(TRAINING_INDEX)
			}
			if isTestingPhase(layerParam) {
				layerParam.ImageDataParam.Source = proto.String(TESTING_INDEX)
			}

		case caffe.V1LayerParameter_DATA:

			if isTrainingPhase(layerParam) {
				layerParam.DataParam.Source = proto.String(TRAINING_DIR)
			}
			if isTestingPhase(layerParam) {
				layerParam.DataParam.Source = proto.String(TESTING_DIR)
			}

		}

	}

	buf := new(bytes.Buffer)
	if err := proto.MarshalText(buf, netParam); err != nil {
		return nil, err
	}

	return buf.Bytes(), nil

}

func modifySolverSpec(source []byte) ([]byte, error) {

	// read into object with protobuf (must have already generated go protobuf code)
	solverParam := &caffe.SolverParameter{}

	if err := proto.UnmarshalText(string(source), solverParam); err != nil {
		return nil, err
	}

	// modify object fields
	solverParam.Net = proto.String("solver-net.prototxt")
	solverParam.SnapshotPrefix = proto.String("snapshot")

	buf := new(bytes.Buffer)
	if err := proto.MarshalText(buf, solverParam); err != nil {
		return nil, err
	}

	return buf.Bytes(), nil

}