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event_test.go
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package replication
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestMariadbGTIDListEvent(t *testing.T) {
// single GTID, 1-2-3
data := []byte{1, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0}
ev := MariadbGTIDListEvent{}
err := ev.Decode(data)
require.NoError(t, err)
require.Len(t, ev.GTIDs, 1)
require.Equal(t, uint32(1), ev.GTIDs[0].DomainID)
require.Equal(t, uint32(2), ev.GTIDs[0].ServerID)
require.Equal(t, uint64(3), ev.GTIDs[0].SequenceNumber)
// multi GTIDs, 1-2-3,4-5-6,7-8-9
data = []byte{3, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 5, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 8, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0}
ev = MariadbGTIDListEvent{}
err = ev.Decode(data)
require.NoError(t, err)
require.Len(t, ev.GTIDs, 3)
for i := 0; i < 3; i++ {
require.Equal(t, uint32(1+3*i), ev.GTIDs[i].DomainID)
require.Equal(t, uint32(2+3*i), ev.GTIDs[i].ServerID)
require.Equal(t, uint64(3+3*i), ev.GTIDs[i].SequenceNumber)
}
}
func TestMariadbGTIDEvent(t *testing.T) {
data := []byte{
1, 2, 3, 4, 5, 6, 7, 8, // SequenceNumber
0x2a, 1, 0x3b, 4, // DomainID
0xff, // Flags
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, // commitID
}
ev := MariadbGTIDEvent{}
err := ev.Decode(data)
require.NoError(t, err)
require.Equal(t, uint64(0x0807060504030201), ev.GTID.SequenceNumber)
require.Equal(t, uint32(0x043b012a), ev.GTID.DomainID)
require.Equal(t, byte(0xff), ev.Flags)
require.True(t, ev.IsDDL())
require.True(t, ev.IsStandalone())
require.True(t, ev.IsGroupCommit())
require.Equal(t, uint64(0x1716151413121110), ev.CommitID)
set, err := ev.GTIDNext()
require.NoError(t, err)
require.Equal(t, "70975786-0-578437695752307201", set.String())
}
func TestGTIDEventMysql8NewFields(t *testing.T) {
testcases := []struct {
data []byte
expectImmediateCommitTimestamp uint64
expectOriginalCommitTimestamp uint64
expectTransactionLength uint64
expectImmediateServerVersion uint32
expectOriginalServerVersion uint32
expectGTID string
expectSequenceNumber int64
expectLastCommitted int64
}{
{
// master: mysql-5.7, slave: mysql-8.0
data: []byte("\x00Z\xa7*\u007fD\xa8\x11\xea\x94\u007f\x02B\xac\x19\x00\x02\x02\x01\x00\x00\x00\x00\x00\x00\x02v\x00\x00\x00\x00\x00\x00\x00w\x00\x00\x00\x00\x00\x00\x00\xc1G\x81\x16x\xa0\x85\x00\x00\x00\x00\x00\x00\x00\xfc\xc5\x03\x938\x01\x80\x00\x00\x00\x00"),
expectImmediateCommitTimestamp: 1583812517644225,
expectOriginalCommitTimestamp: 0,
expectTransactionLength: 965,
expectImmediateServerVersion: 80019,
expectOriginalServerVersion: 0,
expectGTID: "5aa72a7f-44a8-11ea-947f-0242ac190002:258",
expectSequenceNumber: 119,
expectLastCommitted: 118,
},
{
// mysql-5.7 only
data: []byte("\x00Z\xa7*\u007fD\xa8\x11\xea\x94\u007f\x02B\xac\x19\x00\x02\x03\x01\x00\x00\x00\x00\x00\x00\x025\x00\x00\x00\x00\x00\x00\x006\x00\x00\x00\x00\x00\x00\x00"),
expectImmediateCommitTimestamp: 0,
expectOriginalCommitTimestamp: 0,
expectTransactionLength: 0,
expectImmediateServerVersion: 0,
expectOriginalServerVersion: 0,
expectGTID: "5aa72a7f-44a8-11ea-947f-0242ac190002:259",
expectSequenceNumber: 54,
expectLastCommitted: 53,
},
{
// mysql-8.0 only
data: []byte("\x00\\\xcc\x103D\xa8\x11\xea\xbdY\x02B\xac\x19\x00\x03w\x00\x00\x00\x00\x00\x00\x00\x02x\x00\x00\x00\x00\x00\x00\x00y\x00\x00\x00\x00\x00\x00\x00j0\xb1>x\xa0\x05\xfc\xc3\x03\x938\x01\x00"),
expectImmediateCommitTimestamp: 1583813191872618,
expectOriginalCommitTimestamp: 1583813191872618,
expectTransactionLength: 963,
expectImmediateServerVersion: 80019,
expectOriginalServerVersion: 80019,
expectGTID: "5ccc1033-44a8-11ea-bd59-0242ac190003:119",
expectSequenceNumber: 121,
expectLastCommitted: 120,
},
}
for i, tc := range testcases {
ev := new(GTIDEvent)
err := ev.Decode(tc.data)
require.NoError(t, err)
require.Equal(t, tc.expectImmediateCommitTimestamp, ev.ImmediateCommitTimestamp)
require.Equal(t, tc.expectOriginalCommitTimestamp, ev.OriginalCommitTimestamp)
require.Equal(t, tc.expectTransactionLength, ev.TransactionLength)
require.Equal(t, tc.expectImmediateServerVersion, ev.ImmediateServerVersion)
require.Equal(t, tc.expectOriginalServerVersion, ev.OriginalServerVersion)
set, err := ev.GTIDNext()
require.NoError(t, err)
assert.Equal(t, tc.expectGTID, set.String(), fmt.Sprintf("testcase: %d", i))
assert.Equal(t, tc.expectSequenceNumber, ev.SequenceNumber, fmt.Sprintf("testcase: %d", i))
assert.Equal(t, tc.expectLastCommitted, ev.LastCommitted, fmt.Sprintf("testcase: %d", i))
}
}
func TestIntVarEvent(t *testing.T) {
// IntVarEvent Type LastInsertID, Value 13
data := []byte{1, 13, 0, 0, 0, 0, 0, 0, 0}
ev := IntVarEvent{}
err := ev.Decode(data)
require.NoError(t, err)
require.Equal(t, LAST_INSERT_ID, ev.Type)
require.Equal(t, uint64(13), ev.Value)
// IntVarEvent Type InsertID, Value 23
data = []byte{2, 23, 0, 0, 0, 0, 0, 0, 0}
ev = IntVarEvent{}
err = ev.Decode(data)
require.NoError(t, err)
require.Equal(t, INSERT_ID, ev.Type)
require.Equal(t, uint64(23), ev.Value)
}
func TestDecodeSid(t *testing.T) {
testcases := []struct {
input []byte
gtidFormat GtidFormat
uuidCount uint64
}{
{[]byte{1, 2, 0, 0, 0, 0, 0, 1}, GtidFormatTagged, 2},
{[]byte{1, 1, 0, 0, 0, 0, 0, 1}, GtidFormatTagged, 1},
{[]byte{1, 0, 0, 0, 0, 0, 0, 1}, GtidFormatTagged, 0},
{[]byte{1, 0, 0, 0, 0, 0, 0, 0}, GtidFormatClassic, 1},
}
for _, tc := range testcases {
format, uuidCount := decodeSid(tc.input)
assert.Equal(t, tc.gtidFormat, format)
assert.Equal(t, tc.uuidCount, uuidCount)
}
}
func TestPreviousGTIDEvent(t *testing.T) {
testcases := []struct {
input []byte
GTIDSets string
}{
{
[]byte{0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
"",
},
{
[]byte{0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x89, 0x6e, 0x78, 0x82, 0x18, 0xfe, 0x11, 0xef, 0xab, 0x88, 0x22, 0x22, 0x2d, 0x34, 0xd4, 0x11, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
"896e7882-18fe-11ef-ab88-22222d34d411:1-3",
},
{
[]byte{0x1, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x89, 0x6e, 0x78, 0x82, 0x18, 0xfe, 0x11, 0xef, 0xab, 0x88, 0x22, 0x22, 0x2d, 0x34, 0xd4, 0x11, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x89, 0x6e, 0x78, 0x82, 0x18, 0xfe, 0x11, 0xef, 0xab, 0x88, 0x22, 0x22, 0x2d, 0x34, 0xd4, 0x11, 0x8, 0x61, 0x61, 0x61, 0x61, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
"896e7882-18fe-11ef-ab88-22222d34d411:1-4:aaaa:1",
},
{
[]byte{0x1, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x89, 0x6e, 0x78, 0x82, 0x18, 0xfe, 0x11, 0xef, 0xab, 0x88, 0x22, 0x22, 0x2d, 0x34, 0xd4, 0x11, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x89, 0x6e, 0x78, 0x82, 0x18, 0xfe, 0x11, 0xef, 0xab, 0x88, 0x22, 0x22, 0x2d, 0x34, 0xd4, 0x11, 0x8, 0x61, 0x61, 0x61, 0x61, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x89, 0x6e, 0x78, 0x82, 0x18, 0xfe, 0x11, 0xef, 0xab, 0x88, 0x22, 0x22, 0x2d, 0x34, 0xd4, 0x11, 0x6, 0x61, 0x62, 0x63, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x89, 0x6e, 0x78, 0x82, 0x18, 0xfe, 0x11, 0xef, 0xab, 0x88, 0x22, 0x22, 0x2d, 0x34, 0xd4, 0x11, 0xa, 0x62, 0x62, 0x62, 0x62, 0x62, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x89, 0x6e, 0x78, 0x82, 0x18, 0xfe, 0x11, 0xef, 0xab, 0x88, 0x22, 0x22, 0x2d, 0x34, 0xd4, 0x11, 0xc, 0x62, 0x62, 0x62, 0x62, 0x62, 0x62, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x89, 0x6e, 0x78, 0x82, 0x18, 0xfe, 0x11, 0xef, 0xab, 0x88, 0x22, 0x22, 0x2d, 0x34, 0xd4, 0x11, 0x2, 0x78, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x89, 0x6e, 0x78, 0x82, 0x18, 0xfe, 0x11, 0xef, 0xab, 0x88, 0x22, 0x22, 0x2d, 0x34, 0xd4, 0x12, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
"896e7882-18fe-11ef-ab88-22222d34d411:1-4:aaaa:1:abc:1-3:bbbbb:1:bbbbbb:1:x:1,896e7882-18fe-11ef-ab88-22222d34d412:1-2",
},
}
for _, tc := range testcases {
e := PreviousGTIDsEvent{}
err := e.Decode(tc.input)
require.NoError(t, err)
require.Equal(t, tc.GTIDSets, e.GTIDSets)
}
}