+++ /dev/null
-/*
- *
- * 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 grpc
-
-import (
- "bytes"
- "io"
- "math"
- "reflect"
- "testing"
-
- "github.com/golang/protobuf/proto"
- "google.golang.org/grpc/codes"
- "google.golang.org/grpc/status"
- perfpb "google.golang.org/grpc/test/codec_perf"
- "google.golang.org/grpc/transport"
-)
-
-type fullReader struct {
- reader io.Reader
-}
-
-func (f fullReader) Read(p []byte) (int, error) {
- return io.ReadFull(f.reader, p)
-}
-
-var _ CallOption = EmptyCallOption{} // ensure EmptyCallOption implements the interface
-
-func TestSimpleParsing(t *testing.T) {
- bigMsg := bytes.Repeat([]byte{'x'}, 1<<24)
- for _, test := range []struct {
- // input
- p []byte
- // outputs
- err error
- b []byte
- pt payloadFormat
- }{
- {nil, io.EOF, nil, compressionNone},
- {[]byte{0, 0, 0, 0, 0}, nil, nil, compressionNone},
- {[]byte{0, 0, 0, 0, 1, 'a'}, nil, []byte{'a'}, compressionNone},
- {[]byte{1, 0}, io.ErrUnexpectedEOF, nil, compressionNone},
- {[]byte{0, 0, 0, 0, 10, 'a'}, io.ErrUnexpectedEOF, nil, compressionNone},
- // Check that messages with length >= 2^24 are parsed.
- {append([]byte{0, 1, 0, 0, 0}, bigMsg...), nil, bigMsg, compressionNone},
- } {
- buf := fullReader{bytes.NewReader(test.p)}
- parser := &parser{r: buf}
- pt, b, err := parser.recvMsg(math.MaxInt32)
- if err != test.err || !bytes.Equal(b, test.b) || pt != test.pt {
- t.Fatalf("parser{%v}.recvMsg(_) = %v, %v, %v\nwant %v, %v, %v", test.p, pt, b, err, test.pt, test.b, test.err)
- }
- }
-}
-
-func TestMultipleParsing(t *testing.T) {
- // Set a byte stream consists of 3 messages with their headers.
- p := []byte{0, 0, 0, 0, 1, 'a', 0, 0, 0, 0, 2, 'b', 'c', 0, 0, 0, 0, 1, 'd'}
- b := fullReader{bytes.NewReader(p)}
- parser := &parser{r: b}
-
- wantRecvs := []struct {
- pt payloadFormat
- data []byte
- }{
- {compressionNone, []byte("a")},
- {compressionNone, []byte("bc")},
- {compressionNone, []byte("d")},
- }
- for i, want := range wantRecvs {
- pt, data, err := parser.recvMsg(math.MaxInt32)
- if err != nil || pt != want.pt || !reflect.DeepEqual(data, want.data) {
- t.Fatalf("after %d calls, parser{%v}.recvMsg(_) = %v, %v, %v\nwant %v, %v, <nil>",
- i, p, pt, data, err, want.pt, want.data)
- }
- }
-
- pt, data, err := parser.recvMsg(math.MaxInt32)
- if err != io.EOF {
- t.Fatalf("after %d recvMsgs calls, parser{%v}.recvMsg(_) = %v, %v, %v\nwant _, _, %v",
- len(wantRecvs), p, pt, data, err, io.EOF)
- }
-}
-
-func TestEncode(t *testing.T) {
- for _, test := range []struct {
- // input
- msg proto.Message
- cp Compressor
- // outputs
- hdr []byte
- data []byte
- err error
- }{
- {nil, nil, []byte{0, 0, 0, 0, 0}, []byte{}, nil},
- } {
- hdr, data, err := encode(protoCodec{}, test.msg, nil, nil, nil)
- if err != test.err || !bytes.Equal(hdr, test.hdr) || !bytes.Equal(data, test.data) {
- t.Fatalf("encode(_, _, %v, _) = %v, %v, %v\nwant %v, %v, %v", test.cp, hdr, data, err, test.hdr, test.data, test.err)
- }
- }
-}
-
-func TestCompress(t *testing.T) {
- for _, test := range []struct {
- // input
- data []byte
- cp Compressor
- dc Decompressor
- // outputs
- err error
- }{
- {make([]byte, 1024), NewGZIPCompressor(), NewGZIPDecompressor(), nil},
- } {
- b := new(bytes.Buffer)
- if err := test.cp.Do(b, test.data); err != test.err {
- t.Fatalf("Compressor.Do(_, %v) = %v, want %v", test.data, err, test.err)
- }
- if b.Len() >= len(test.data) {
- t.Fatalf("The compressor fails to compress data.")
- }
- if p, err := test.dc.Do(b); err != nil || !bytes.Equal(test.data, p) {
- t.Fatalf("Decompressor.Do(%v) = %v, %v, want %v, <nil>", b, p, err, test.data)
- }
- }
-}
-
-func TestToRPCErr(t *testing.T) {
- for _, test := range []struct {
- // input
- errIn error
- // outputs
- errOut error
- }{
- {transport.StreamError{Code: codes.Unknown, Desc: ""}, status.Error(codes.Unknown, "")},
- {transport.ErrConnClosing, status.Error(codes.Unavailable, transport.ErrConnClosing.Desc)},
- } {
- err := toRPCErr(test.errIn)
- if _, ok := status.FromError(err); !ok {
- t.Fatalf("toRPCErr{%v} returned type %T, want %T", test.errIn, err, status.Error(codes.Unknown, ""))
- }
- if !reflect.DeepEqual(err, test.errOut) {
- t.Fatalf("toRPCErr{%v} = %v \nwant %v", test.errIn, err, test.errOut)
- }
- }
-}
-
-// bmEncode benchmarks encoding a Protocol Buffer message containing mSize
-// bytes.
-func bmEncode(b *testing.B, mSize int) {
- msg := &perfpb.Buffer{Body: make([]byte, mSize)}
- encodeHdr, encodeData, _ := encode(protoCodec{}, msg, nil, nil, nil)
- encodedSz := int64(len(encodeHdr) + len(encodeData))
- b.ReportAllocs()
- b.ResetTimer()
- for i := 0; i < b.N; i++ {
- encode(protoCodec{}, msg, nil, nil, nil)
- }
- b.SetBytes(encodedSz)
-}
-
-func BenchmarkEncode1B(b *testing.B) {
- bmEncode(b, 1)
-}
-
-func BenchmarkEncode1KiB(b *testing.B) {
- bmEncode(b, 1024)
-}
-
-func BenchmarkEncode8KiB(b *testing.B) {
- bmEncode(b, 8*1024)
-}
-
-func BenchmarkEncode64KiB(b *testing.B) {
- bmEncode(b, 64*1024)
-}
-
-func BenchmarkEncode512KiB(b *testing.B) {
- bmEncode(b, 512*1024)
-}
-
-func BenchmarkEncode1MiB(b *testing.B) {
- bmEncode(b, 1024*1024)
-}
-
-// bmCompressor benchmarks a compressor of a Protocol Buffer message containing
-// mSize bytes.
-func bmCompressor(b *testing.B, mSize int, cp Compressor) {
- payload := make([]byte, mSize)
- cBuf := bytes.NewBuffer(make([]byte, mSize))
- b.ReportAllocs()
- b.ResetTimer()
- for i := 0; i < b.N; i++ {
- cp.Do(cBuf, payload)
- cBuf.Reset()
- }
-}
-
-func BenchmarkGZIPCompressor1B(b *testing.B) {
- bmCompressor(b, 1, NewGZIPCompressor())
-}
-
-func BenchmarkGZIPCompressor1KiB(b *testing.B) {
- bmCompressor(b, 1024, NewGZIPCompressor())
-}
-
-func BenchmarkGZIPCompressor8KiB(b *testing.B) {
- bmCompressor(b, 8*1024, NewGZIPCompressor())
-}
-
-func BenchmarkGZIPCompressor64KiB(b *testing.B) {
- bmCompressor(b, 64*1024, NewGZIPCompressor())
-}
-
-func BenchmarkGZIPCompressor512KiB(b *testing.B) {
- bmCompressor(b, 512*1024, NewGZIPCompressor())
-}
-
-func BenchmarkGZIPCompressor1MiB(b *testing.B) {
- bmCompressor(b, 1024*1024, NewGZIPCompressor())
-}
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