github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/cdc/model/kv_test.go (about)

     1  // Copyright 2020 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 model
    15  
    16  import (
    17  	"testing"
    18  
    19  	"github.com/pingcap/tiflow/cdc/processor/tablepb"
    20  	"github.com/stretchr/testify/require"
    21  )
    22  
    23  func TestRegionFeedEvent(t *testing.T) {
    24  	t.Parallel()
    25  
    26  	raw := &RawKVEntry{
    27  		CRTs:   1,
    28  		OpType: OpTypePut,
    29  	}
    30  	resolved := &ResolvedSpans{
    31  		Spans: []RegionComparableSpan{{
    32  			Span: tablepb.Span{StartKey: []byte("a"), EndKey: []byte("b")},
    33  		}}, ResolvedTs: 111,
    34  	}
    35  
    36  	ev := &RegionFeedEvent{}
    37  	require.Nil(t, ev.GetValue())
    38  
    39  	ev = &RegionFeedEvent{Val: raw}
    40  	require.Equal(t, raw, ev.GetValue())
    41  
    42  	ev = &RegionFeedEvent{Resolved: resolved}
    43  	require.Equal(t, resolved, ev.GetValue().(*ResolvedSpans))
    44  
    45  	require.Equal(t, "span: [{{0 61 62} 0}], resolved-ts: 111", resolved.String())
    46  }
    47  
    48  func TestRawKVEntry(t *testing.T) {
    49  	t.Parallel()
    50  
    51  	raw := &RawKVEntry{
    52  		StartTs: 100,
    53  		CRTs:    101,
    54  		OpType:  OpTypePut,
    55  		Key:     []byte("123"),
    56  		Value:   []byte("345"),
    57  	}
    58  
    59  	require.Equal(t,
    60  		"OpType: 1, Key: 123, Value: 345, OldValue: , StartTs: 100, CRTs: 101, RegionID: 0",
    61  		raw.String())
    62  	require.Equal(t, int64(6), raw.ApproximateDataSize())
    63  }