grpc-go/internal/transport/http_util_test.go

282 строки
8.2 KiB
Go
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/*
*
* Copyright 2014 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package transport
import (
"fmt"
"reflect"
"testing"
"time"
"golang.org/x/net/http2"
"golang.org/x/net/http2/hpack"
)
func (s) TestTimeoutDecode(t *testing.T) {
for _, test := range []struct {
// input
s string
// output
d time.Duration
err error
}{
{"1234S", time.Second * 1234, nil},
{"1234x", 0, fmt.Errorf("transport: timeout unit is not recognized: %q", "1234x")},
{"1", 0, fmt.Errorf("transport: timeout string is too short: %q", "1")},
{"", 0, fmt.Errorf("transport: timeout string is too short: %q", "")},
} {
d, err := decodeTimeout(test.s)
if d != test.d || fmt.Sprint(err) != fmt.Sprint(test.err) {
t.Fatalf("timeoutDecode(%q) = %d, %v, want %d, %v", test.s, int64(d), err, int64(test.d), test.err)
}
}
}
func (s) TestEncodeGrpcMessage(t *testing.T) {
for _, tt := range []struct {
input string
expected string
}{
{"", ""},
{"Hello", "Hello"},
{"\u0000", "%00"},
{"%", "%25"},
{"系统", "%E7%B3%BB%E7%BB%9F"},
{string([]byte{0xff, 0xfe, 0xfd}), "%EF%BF%BD%EF%BF%BD%EF%BF%BD"},
} {
actual := encodeGrpcMessage(tt.input)
if tt.expected != actual {
t.Errorf("encodeGrpcMessage(%q) = %q, want %q", tt.input, actual, tt.expected)
}
}
// make sure that all the visible ASCII chars except '%' are not percent encoded.
for i := ' '; i <= '~' && i != '%'; i++ {
output := encodeGrpcMessage(string(i))
if output != string(i) {
t.Errorf("encodeGrpcMessage(%v) = %v, want %v", string(i), output, string(i))
}
}
// make sure that all the invisible ASCII chars and '%' are percent encoded.
for i := rune(0); i == '%' || (i >= rune(0) && i < ' ') || (i > '~' && i <= rune(127)); i++ {
output := encodeGrpcMessage(string(i))
expected := fmt.Sprintf("%%%02X", i)
if output != expected {
t.Errorf("encodeGrpcMessage(%v) = %v, want %v", string(i), output, expected)
}
}
}
func (s) TestDecodeGrpcMessage(t *testing.T) {
for _, tt := range []struct {
input string
expected string
}{
{"", ""},
{"Hello", "Hello"},
{"H%61o", "Hao"},
{"H%6", "H%6"},
{"%G0", "%G0"},
{"%E7%B3%BB%E7%BB%9F", "系统"},
{"%EF%BF%BD", "<22>"},
} {
actual := decodeGrpcMessage(tt.input)
if tt.expected != actual {
t.Errorf("decodeGrpcMessage(%q) = %q, want %q", tt.input, actual, tt.expected)
}
}
// make sure that all the visible ASCII chars except '%' are not percent decoded.
for i := ' '; i <= '~' && i != '%'; i++ {
output := decodeGrpcMessage(string(i))
if output != string(i) {
t.Errorf("decodeGrpcMessage(%v) = %v, want %v", string(i), output, string(i))
}
}
// make sure that all the invisible ASCII chars and '%' are percent decoded.
for i := rune(0); i == '%' || (i >= rune(0) && i < ' ') || (i > '~' && i <= rune(127)); i++ {
output := decodeGrpcMessage(fmt.Sprintf("%%%02X", i))
if output != string(i) {
t.Errorf("decodeGrpcMessage(%v) = %v, want %v", fmt.Sprintf("%%%02X", i), output, string(i))
}
}
}
// Decode an encoded string should get the same thing back, except for invalid
// utf8 chars.
func (s) TestDecodeEncodeGrpcMessage(t *testing.T) {
testCases := []struct {
orig string
want string
}{
{"", ""},
{"hello", "hello"},
{"h%6", "h%6"},
{"%G0", "%G0"},
{"系统", "系统"},
{"Hello, 世界", "Hello, 世界"},
{string([]byte{0xff, 0xfe, 0xfd}), "<22><><EFBFBD>"},
{string([]byte{0xff}) + "Hello" + string([]byte{0xfe}) + "世界" + string([]byte{0xfd}), "<22>Hello<6C>世界<E4B896>"},
}
for _, tC := range testCases {
got := decodeGrpcMessage(encodeGrpcMessage(tC.orig))
if got != tC.want {
t.Errorf("decodeGrpcMessage(encodeGrpcMessage(%q)) = %q, want %q", tC.orig, got, tC.want)
}
}
}
const binaryValue = "\u0080"
func (s) TestEncodeMetadataHeader(t *testing.T) {
for _, test := range []struct {
// input
kin string
vin string
// output
vout string
}{
{"key", "abc", "abc"},
{"KEY", "abc", "abc"},
{"key-bin", "abc", "YWJj"},
{"key-bin", binaryValue, "woA"},
} {
v := encodeMetadataHeader(test.kin, test.vin)
if !reflect.DeepEqual(v, test.vout) {
t.Fatalf("encodeMetadataHeader(%q, %q) = %q, want %q", test.kin, test.vin, v, test.vout)
}
}
}
func (s) TestDecodeMetadataHeader(t *testing.T) {
for _, test := range []struct {
// input
kin string
vin string
// output
vout string
err error
}{
{"a", "abc", "abc", nil},
{"key-bin", "Zm9vAGJhcg==", "foo\x00bar", nil},
{"key-bin", "Zm9vAGJhcg", "foo\x00bar", nil},
{"key-bin", "woA=", binaryValue, nil},
{"a", "abc,efg", "abc,efg", nil},
} {
v, err := decodeMetadataHeader(test.kin, test.vin)
if !reflect.DeepEqual(v, test.vout) || !reflect.DeepEqual(err, test.err) {
t.Fatalf("decodeMetadataHeader(%q, %q) = %q, %v, want %q, %v", test.kin, test.vin, v, err, test.vout, test.err)
}
}
}
func (s) TestDecodeHeaderH2ErrCode(t *testing.T) {
for _, test := range []struct {
name string
// input
metaHeaderFrame *http2.MetaHeadersFrame
serverSide bool
// output
wantCode http2.ErrCode
}{
{
name: "valid header",
metaHeaderFrame: &http2.MetaHeadersFrame{Fields: []hpack.HeaderField{
{Name: "content-type", Value: "application/grpc"},
}},
wantCode: http2.ErrCodeNo,
},
{
name: "valid header serverSide",
metaHeaderFrame: &http2.MetaHeadersFrame{Fields: []hpack.HeaderField{
{Name: "content-type", Value: "application/grpc"},
}},
serverSide: true,
wantCode: http2.ErrCodeNo,
},
{
name: "invalid grpc status header field",
metaHeaderFrame: &http2.MetaHeadersFrame{Fields: []hpack.HeaderField{
{Name: "content-type", Value: "application/grpc"},
{Name: "grpc-status", Value: "xxxx"},
}},
wantCode: http2.ErrCodeProtocol,
},
{
name: "invalid http content type",
metaHeaderFrame: &http2.MetaHeadersFrame{Fields: []hpack.HeaderField{
{Name: "content-type", Value: "application/json"},
}},
wantCode: http2.ErrCodeProtocol,
},
{
name: "http fallback and invalid http status",
metaHeaderFrame: &http2.MetaHeadersFrame{Fields: []hpack.HeaderField{
// No content type provided then fallback into handling http error.
{Name: ":status", Value: "xxxx"},
}},
wantCode: http2.ErrCodeProtocol,
},
{
name: "http2 frame size exceeds",
metaHeaderFrame: &http2.MetaHeadersFrame{Fields: nil, Truncated: true},
wantCode: http2.ErrCodeFrameSize,
},
} {
t.Run(test.name, func(t *testing.T) {
state := &decodeState{serverSide: test.serverSide}
if h2code, _ := state.decodeHeader(test.metaHeaderFrame); h2code != test.wantCode {
t.Fatalf("decodeState.decodeHeader(%v) = %v, want %v", test.metaHeaderFrame, h2code, test.wantCode)
}
})
}
}
func (s) TestParseDialTarget(t *testing.T) {
for _, test := range []struct {
target, wantNet, wantAddr string
}{
{"unix:a", "unix", "a"},
{"unix:a/b/c", "unix", "a/b/c"},
{"unix:/a", "unix", "/a"},
{"unix:/a/b/c", "unix", "/a/b/c"},
{"unix://a", "unix", "a"},
{"unix://a/b/c", "unix", "/b/c"},
{"unix:///a", "unix", "/a"},
{"unix:///a/b/c", "unix", "/a/b/c"},
{"unix:etcd:0", "unix", "etcd:0"},
{"unix:///tmp/unix-3", "unix", "/tmp/unix-3"},
{"unix://domain", "unix", "domain"},
{"unix://etcd:0", "unix", "etcd:0"},
{"unix:///etcd:0", "unix", "/etcd:0"},
{"passthrough://unix://domain", "tcp", "passthrough://unix://domain"},
{"https://google.com:443", "tcp", "https://google.com:443"},
{"dns:///google.com", "tcp", "dns:///google.com"},
{"/unix/socket/address", "tcp", "/unix/socket/address"},
} {
gotNet, gotAddr := parseDialTarget(test.target)
if gotNet != test.wantNet || gotAddr != test.wantAddr {
t.Errorf("parseDialTarget(%q) = %s, %s want %s, %s", test.target, gotNet, gotAddr, test.wantNet, test.wantAddr)
}
}
}