github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/cdc/processor/tablepb/table_test.go (about)

     1  // Copyright 2022 PingCAP, Inc.
     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  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package tablepb
    15  
    16  import (
    17  	"encoding/hex"
    18  	"encoding/json"
    19  	"strings"
    20  	"testing"
    21  
    22  	"github.com/gogo/protobuf/proto"
    23  	"github.com/stretchr/testify/require"
    24  )
    25  
    26  func decode(s string) []byte {
    27  	b, _ := hex.DecodeString(s)
    28  	return b
    29  }
    30  
    31  func TestSpanString(t *testing.T) {
    32  	t.Parallel()
    33  
    34  	span := Span{
    35  		TableID:  555555,
    36  		StartKey: decode("7480000000000009ff89000000f8"),
    37  		EndKey:   decode("748000000000000dffaa5f6980ff"),
    38  	}
    39  	require.Equal(t, strings.TrimSpace(`
    40  {table_id:555555,start_key:7480000000000009ff89000000f8,end_key:748000000000000dffaa5f6980ff}
    41  `), span.String())
    42  
    43  	span = Span{
    44  		TableID: 555555,
    45  	}
    46  	require.Equal(t, `{table_id:555555}`, span.String())
    47  }
    48  
    49  func TestSpanJSON(t *testing.T) {
    50  	t.Parallel()
    51  
    52  	span := Span{
    53  		TableID:  555555,
    54  		StartKey: decode("7480000000000009ff89000000f8"),
    55  		EndKey:   decode("748000000000000dffaa5f6980ff"),
    56  	}
    57  	js, _ := json.Marshal(span)
    58  	require.Equal(t, strings.TrimSpace(`
    59  "{table_id:555555,start_key:7480000000000009ff89000000f8,end_key:748000000000000dffaa5f6980ff}"
    60  `), string(js))
    61  
    62  	span = Span{
    63  		TableID: 555555,
    64  	}
    65  	js, _ = json.Marshal(span)
    66  	require.Equal(t, `"{table_id:555555}"`, string(js))
    67  }
    68  
    69  func TestSpanProtoMarshalText(t *testing.T) {
    70  	t.Parallel()
    71  
    72  	span := Span{
    73  		TableID:  555555,
    74  		StartKey: decode("7480000000000009ff89000000f8"),
    75  		EndKey:   decode("748000000000000dffaa5f6980ff"),
    76  	}
    77  	s := proto.CompactTextString(&span)
    78  	require.Equal(t, strings.TrimSpace(`
    79  {table_id:555555,start_key:7480000000000009ff89000000f8,end_key:748000000000000dffaa5f6980ff}
    80  `), s)
    81  }
    82  
    83  func TestSpanLess(t *testing.T) {
    84  	t.Parallel()
    85  
    86  	a1 := &Span{TableID: 1, StartKey: []byte("a"), EndKey: []byte("b")}
    87  	a2 := &Span{TableID: 1, StartKey: []byte("c"), EndKey: []byte("d")}
    88  	b := &Span{TableID: 2, StartKey: []byte("e"), EndKey: []byte("f")}
    89  	require.True(t, a1.Less(a2))
    90  	require.True(t, a1.Less(b))
    91  	require.True(t, a2.Less(b))
    92  }
    93  
    94  func TestSpanEq(t *testing.T) {
    95  	t.Parallel()
    96  
    97  	a := &Span{TableID: 1, StartKey: []byte("a"), EndKey: []byte("b")}
    98  	b := &Span{TableID: 1, StartKey: []byte("a"), EndKey: []byte("b")}
    99  	require.True(t, a.Eq(a))
   100  	require.True(t, a.Eq(b))
   101  	require.True(t, b.Eq(a))
   102  
   103  	c := &Span{TableID: 1, StartKey: []byte("a"), EndKey: []byte("c")}
   104  	require.False(t, a.Eq(c))
   105  	d := &Span{TableID: 2, StartKey: []byte("a"), EndKey: []byte("b")}
   106  	require.False(t, a.Eq(d))
   107  	require.True(t, d.Eq(d))
   108  }