github.com/matrixorigin/matrixone@v1.2.0/pkg/common/morpc/codec_header_test.go (about)

     1  // Copyright 2021 - 2022 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package morpc
    16  
    17  import (
    18  	"context"
    19  	"sync/atomic"
    20  	"testing"
    21  	"time"
    22  
    23  	"github.com/fagongzi/goetty/v2/buf"
    24  	"github.com/matrixorigin/matrixone/pkg/txn/clock"
    25  	"github.com/matrixorigin/matrixone/pkg/util/trace"
    26  	"github.com/stretchr/testify/assert"
    27  )
    28  
    29  func TestEncodeContext(t *testing.T) {
    30  	hc := &deadlineContextCodec{}
    31  	out := buf.NewByteBuf(8)
    32  
    33  	c, cancel := context.WithTimeout(context.Background(), time.Second)
    34  	defer cancel()
    35  	n, err := hc.Encode(&RPCMessage{Ctx: c}, out)
    36  	assert.Equal(t, 8, n)
    37  	assert.NoError(t, err)
    38  	assert.Equal(t, 8, out.GetWriteIndex())
    39  }
    40  
    41  func TestDecodeContext(t *testing.T) {
    42  	hc := &deadlineContextCodec{}
    43  	v := buf.Int64ToBytes(int64(time.Second))
    44  	msg := &RPCMessage{}
    45  	n, err := hc.Decode(msg, v)
    46  	assert.NoError(t, err)
    47  	assert.Equal(t, 8, n)
    48  	assert.NotNil(t, msg.Ctx)
    49  	ts, ok := msg.Ctx.Deadline()
    50  	assert.True(t, ok)
    51  	assert.True(t, !ts.IsZero())
    52  }
    53  
    54  func TestEncodeAndDecodeTrace(t *testing.T) {
    55  	hc := &traceCodec{}
    56  	out := buf.NewByteBuf(8)
    57  	span := trace.SpanContextWithIDs(trace.TraceID{}, trace.SpanID{})
    58  	n, err := hc.Encode(&RPCMessage{Ctx: trace.ContextWithSpanContext(context.Background(), span)}, out)
    59  	assert.Equal(t, 1+span.Size(), n)
    60  	assert.NoError(t, err)
    61  
    62  	msg := &RPCMessage{}
    63  	_, data := out.ReadBytes(1 + span.Size())
    64  
    65  	n, err = hc.Decode(msg, nil)
    66  	assert.Equal(t, 0, n)
    67  	assert.Error(t, err)
    68  
    69  	n, err = hc.Decode(msg, data[:1])
    70  	assert.Equal(t, 0, n)
    71  	assert.Error(t, err)
    72  
    73  	n, err = hc.Decode(msg, data)
    74  	assert.Equal(t, 1+span.Size(), n)
    75  	assert.NoError(t, err)
    76  
    77  	span.Kind = trace.SpanKindRemote
    78  	assert.Equal(t, span, trace.SpanFromContext(msg.Ctx).SpanContext())
    79  }
    80  
    81  func TestEncodeAndDecodeClock(t *testing.T) {
    82  	var n1, n2 int64
    83  	f1 := func() int64 {
    84  		return atomic.LoadInt64(&n1)
    85  	}
    86  	f2 := func() int64 {
    87  		return atomic.LoadInt64(&n2)
    88  	}
    89  	c1 := &hlcCodec{clock: clock.NewHLCClock(f1, 0)}
    90  	c2 := &hlcCodec{clock: clock.NewHLCClock(f2, 0)}
    91  
    92  	n1 = 1
    93  	n2 = 2
    94  
    95  	out := buf.NewByteBuf(8)
    96  	n, err := c1.Encode(nil, out)
    97  	assert.NoError(t, err)
    98  	assert.Equal(t, 12, n)
    99  
   100  	_, data := out.ReadBytes(out.Readable())
   101  	n, err = c2.Decode(nil, data)
   102  	assert.NoError(t, err)
   103  	assert.Equal(t, 12, n)
   104  
   105  	now, _ := c2.clock.Now()
   106  	assert.Equal(t, n2, now.PhysicalTime)
   107  }