vitess.io/vitess@v0.16.2/go/vt/binlog/tables_filter_test.go (about)

     1  /*
     2  Copyright 2019 The Vitess Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package binlog
    18  
    19  import (
    20  	"fmt"
    21  	"testing"
    22  
    23  	binlogdatapb "vitess.io/vitess/go/vt/proto/binlogdata"
    24  	querypb "vitess.io/vitess/go/vt/proto/query"
    25  )
    26  
    27  var testTables = []string{
    28  	"included1",
    29  	"included2",
    30  }
    31  
    32  func TestTablesFilterPass(t *testing.T) {
    33  	statements := []FullBinlogStatement{
    34  		{
    35  			Statement: &binlogdatapb.BinlogTransaction_Statement{
    36  				Category: binlogdatapb.BinlogTransaction_Statement_BL_SET,
    37  				Sql:      []byte("set1"),
    38  			},
    39  		},
    40  		{
    41  			Statement: &binlogdatapb.BinlogTransaction_Statement{
    42  				Category: binlogdatapb.BinlogTransaction_Statement_BL_INSERT,
    43  				Sql:      []byte("dml1 /* _stream included1 (id ) (500 ); */"),
    44  			},
    45  		},
    46  		{
    47  			Statement: &binlogdatapb.BinlogTransaction_Statement{
    48  				Category: binlogdatapb.BinlogTransaction_Statement_BL_INSERT,
    49  				Sql:      []byte("dml2 /* _stream included2 (id ) (500 ); */"),
    50  			},
    51  		},
    52  	}
    53  	eventToken := &querypb.EventToken{
    54  		Position: "MariaDB/0-41983-1",
    55  	}
    56  	var got string
    57  	f := tablesFilterFunc(testTables, func(reply *binlogdatapb.BinlogTransaction) error {
    58  		got = bltToString(reply)
    59  		return nil
    60  	})
    61  	_ = f(eventToken, statements)
    62  	want := `statement: <6, "set1"> statement: <7, "dml1 /* _stream included1 (id ) (500 ); */"> statement: <7, "dml2 /* _stream included2 (id ) (500 ); */"> position: "MariaDB/0-41983-1" `
    63  	if want != got {
    64  		t.Errorf("want\n%s, got\n%s", want, got)
    65  	}
    66  }
    67  
    68  func TestTablesFilterSkip(t *testing.T) {
    69  	statements := []FullBinlogStatement{
    70  		{
    71  			Statement: &binlogdatapb.BinlogTransaction_Statement{
    72  				Category: binlogdatapb.BinlogTransaction_Statement_BL_SET,
    73  				Sql:      []byte("set1"),
    74  			},
    75  		},
    76  		{
    77  			Statement: &binlogdatapb.BinlogTransaction_Statement{
    78  				Category: binlogdatapb.BinlogTransaction_Statement_BL_INSERT,
    79  				Sql:      []byte("dml1 /* _stream excluded1 (id ) (500 ); */"),
    80  			},
    81  		},
    82  	}
    83  	eventToken := &querypb.EventToken{
    84  		Position: "MariaDB/0-41983-1",
    85  	}
    86  	var got string
    87  	f := tablesFilterFunc(testTables, func(reply *binlogdatapb.BinlogTransaction) error {
    88  		got = bltToString(reply)
    89  		return nil
    90  	})
    91  	_ = f(eventToken, statements)
    92  	want := `position: "MariaDB/0-41983-1" `
    93  	if want != got {
    94  		t.Errorf("want %s, got %s", want, got)
    95  	}
    96  }
    97  
    98  func TestTablesFilterDDL(t *testing.T) {
    99  	statements := []FullBinlogStatement{
   100  		{
   101  			Statement: &binlogdatapb.BinlogTransaction_Statement{
   102  				Category: binlogdatapb.BinlogTransaction_Statement_BL_SET,
   103  				Sql:      []byte("set1"),
   104  			},
   105  		},
   106  		{
   107  			Statement: &binlogdatapb.BinlogTransaction_Statement{
   108  				Category: binlogdatapb.BinlogTransaction_Statement_BL_DDL,
   109  				Sql:      []byte("ddl"),
   110  			},
   111  		},
   112  	}
   113  	eventToken := &querypb.EventToken{
   114  		Position: "MariaDB/0-41983-1",
   115  	}
   116  	var got string
   117  	f := tablesFilterFunc(testTables, func(reply *binlogdatapb.BinlogTransaction) error {
   118  		got = bltToString(reply)
   119  		return nil
   120  	})
   121  	_ = f(eventToken, statements)
   122  	want := `position: "MariaDB/0-41983-1" `
   123  	if want != got {
   124  		t.Errorf("want %s, got %s", want, got)
   125  	}
   126  }
   127  
   128  func TestTablesFilterMalformed(t *testing.T) {
   129  	statements := []FullBinlogStatement{
   130  		{
   131  			Statement: &binlogdatapb.BinlogTransaction_Statement{
   132  				Category: binlogdatapb.BinlogTransaction_Statement_BL_SET,
   133  				Sql:      []byte("set1"),
   134  			},
   135  		},
   136  		{
   137  			Statement: &binlogdatapb.BinlogTransaction_Statement{
   138  				Category: binlogdatapb.BinlogTransaction_Statement_BL_INSERT,
   139  				Sql:      []byte("ddl"),
   140  			},
   141  		},
   142  		{
   143  			Statement: &binlogdatapb.BinlogTransaction_Statement{
   144  				Category: binlogdatapb.BinlogTransaction_Statement_BL_INSERT,
   145  				Sql:      []byte("dml1 /* _stream excluded1*/"),
   146  			},
   147  		},
   148  	}
   149  	eventToken := &querypb.EventToken{
   150  		Position: "MariaDB/0-41983-1",
   151  	}
   152  	var got string
   153  	f := tablesFilterFunc(testTables, func(reply *binlogdatapb.BinlogTransaction) error {
   154  		got = bltToString(reply)
   155  		return nil
   156  	})
   157  	_ = f(eventToken, statements)
   158  	want := `position: "MariaDB/0-41983-1" `
   159  	if want != got {
   160  		t.Errorf("want %s, got %s", want, got)
   161  	}
   162  }
   163  
   164  func bltToString(tx *binlogdatapb.BinlogTransaction) string {
   165  	result := ""
   166  	for _, statement := range tx.Statements {
   167  		result += fmt.Sprintf("statement: <%d, \"%s\"> ", statement.Category, string(statement.Sql))
   168  	}
   169  	result += fmt.Sprintf("position: \"%v\" ", tx.EventToken.Position)
   170  	return result
   171  }