Add basic tests for applier (#1165)
* Add basic tests for applier * Add header
This commit is contained in:
Tim Vaillancourt
GitHub
parent
3c946e97d7
commit
1fa3d4f75a
@ -8,6 +8,7 @@ package logic
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import (
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gosql "database/sql"
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"fmt"
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"strings"
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"sync"
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"sync/atomic"
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"time"
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@ -122,17 +123,16 @@ func (this *Applier) validateAndReadTimeZone() error {
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// - User may skip strict mode
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// - User may allow zero dats or zero in dates
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func (this *Applier) generateSqlModeQuery() string {
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sqlModeAddendum := `,NO_AUTO_VALUE_ON_ZERO`
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sqlModeAddendum := []string{`NO_AUTO_VALUE_ON_ZERO`}
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if !this.migrationContext.SkipStrictMode {
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sqlModeAddendum = fmt.Sprintf("%s,STRICT_ALL_TABLES", sqlModeAddendum)
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sqlModeAddendum = append(sqlModeAddendum, `STRICT_ALL_TABLES`)
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}
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sqlModeQuery := fmt.Sprintf("CONCAT(@@session.sql_mode, ',%s')", sqlModeAddendum)
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sqlModeQuery := fmt.Sprintf("CONCAT(@@session.sql_mode, ',%s')", strings.Join(sqlModeAddendum, ","))
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if this.migrationContext.AllowZeroInDate {
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sqlModeQuery = fmt.Sprintf("REPLACE(REPLACE(%s, 'NO_ZERO_IN_DATE', ''), 'NO_ZERO_DATE', '')", sqlModeQuery)
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}
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sqlModeQuery = fmt.Sprintf("sql_mode = %s", sqlModeQuery)
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return sqlModeQuery
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return fmt.Sprintf("sql_mode = %s", sqlModeQuery)
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}
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// readTableColumns reads table columns on applier
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172
go/logic/applier_test.go
Normal file
172
go/logic/applier_test.go
Normal file
@ -0,0 +1,172 @@
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/*
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Copyright 2022 GitHub Inc.
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See https://github.com/github/gh-ost/blob/master/LICENSE
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*/
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package logic
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import (
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"strings"
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"testing"
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test "github.com/openark/golib/tests"
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"github.com/github/gh-ost/go/base"
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"github.com/github/gh-ost/go/binlog"
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"github.com/github/gh-ost/go/sql"
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)
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func TestApplierGenerateSqlModeQuery(t *testing.T) {
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migrationContext := base.NewMigrationContext()
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applier := NewApplier(migrationContext)
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{
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test.S(t).ExpectEquals(
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applier.generateSqlModeQuery(),
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`sql_mode = CONCAT(@@session.sql_mode, ',NO_AUTO_VALUE_ON_ZERO,STRICT_ALL_TABLES')`,
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)
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}
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{
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migrationContext.SkipStrictMode = true
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migrationContext.AllowZeroInDate = false
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test.S(t).ExpectEquals(
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applier.generateSqlModeQuery(),
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`sql_mode = CONCAT(@@session.sql_mode, ',NO_AUTO_VALUE_ON_ZERO')`,
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)
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}
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{
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migrationContext.SkipStrictMode = false
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migrationContext.AllowZeroInDate = true
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test.S(t).ExpectEquals(
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applier.generateSqlModeQuery(),
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`sql_mode = REPLACE(REPLACE(CONCAT(@@session.sql_mode, ',NO_AUTO_VALUE_ON_ZERO,STRICT_ALL_TABLES'), 'NO_ZERO_IN_DATE', ''), 'NO_ZERO_DATE', '')`,
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)
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}
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{
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migrationContext.SkipStrictMode = true
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migrationContext.AllowZeroInDate = true
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test.S(t).ExpectEquals(
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applier.generateSqlModeQuery(),
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`sql_mode = REPLACE(REPLACE(CONCAT(@@session.sql_mode, ',NO_AUTO_VALUE_ON_ZERO'), 'NO_ZERO_IN_DATE', ''), 'NO_ZERO_DATE', '')`,
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)
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}
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}
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func TestApplierUpdateModifiesUniqueKeyColumns(t *testing.T) {
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columns := sql.NewColumnList([]string{"id", "item_id"})
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columnValues := sql.ToColumnValues([]interface{}{123456, 42})
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migrationContext := base.NewMigrationContext()
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migrationContext.OriginalTableColumns = columns
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migrationContext.UniqueKey = &sql.UniqueKey{
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Name: t.Name(),
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Columns: *columns,
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}
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applier := NewApplier(migrationContext)
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t.Run("unmodified", func(t *testing.T) {
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modifiedColumn, isModified := applier.updateModifiesUniqueKeyColumns(&binlog.BinlogDMLEvent{
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DatabaseName: "test",
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DML: binlog.UpdateDML,
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NewColumnValues: columnValues,
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WhereColumnValues: columnValues,
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})
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test.S(t).ExpectEquals(modifiedColumn, "")
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test.S(t).ExpectFalse(isModified)
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})
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t.Run("modified", func(t *testing.T) {
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modifiedColumn, isModified := applier.updateModifiesUniqueKeyColumns(&binlog.BinlogDMLEvent{
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DatabaseName: "test",
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DML: binlog.UpdateDML,
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NewColumnValues: sql.ToColumnValues([]interface{}{123456, 24}),
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WhereColumnValues: columnValues,
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})
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test.S(t).ExpectEquals(modifiedColumn, "item_id")
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test.S(t).ExpectTrue(isModified)
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})
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}
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func TestApplierBuildDMLEventQuery(t *testing.T) {
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columns := sql.NewColumnList([]string{"id", "item_id"})
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columnValues := sql.ToColumnValues([]interface{}{123456, 42})
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migrationContext := base.NewMigrationContext()
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migrationContext.OriginalTableName = "test"
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migrationContext.OriginalTableColumns = columns
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migrationContext.SharedColumns = columns
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migrationContext.MappedSharedColumns = columns
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migrationContext.UniqueKey = &sql.UniqueKey{
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Name: t.Name(),
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Columns: *columns,
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}
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applier := NewApplier(migrationContext)
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t.Run("delete", func(t *testing.T) {
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binlogEvent := &binlog.BinlogDMLEvent{
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DatabaseName: "test",
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DML: binlog.DeleteDML,
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WhereColumnValues: columnValues,
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}
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res := applier.buildDMLEventQuery(binlogEvent)
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test.S(t).ExpectEquals(len(res), 1)
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test.S(t).ExpectNil(res[0].err)
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test.S(t).ExpectEquals(strings.TrimSpace(res[0].query),
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`delete /* gh-ost `+"`test`.`_test_gho`"+` */
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from
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`+"`test`.`_test_gho`"+`
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where
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((`+"`id`"+` = ?) and (`+"`item_id`"+` = ?))`)
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test.S(t).ExpectEquals(len(res[0].args), 2)
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test.S(t).ExpectEquals(res[0].args[0], 123456)
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test.S(t).ExpectEquals(res[0].args[1], 42)
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})
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t.Run("insert", func(t *testing.T) {
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binlogEvent := &binlog.BinlogDMLEvent{
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DatabaseName: "test",
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DML: binlog.InsertDML,
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NewColumnValues: columnValues,
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}
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res := applier.buildDMLEventQuery(binlogEvent)
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test.S(t).ExpectEquals(len(res), 1)
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test.S(t).ExpectNil(res[0].err)
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test.S(t).ExpectEquals(strings.TrimSpace(res[0].query),
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`replace /* gh-ost `+"`test`.`_test_gho`"+` */ into
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`+"`test`.`_test_gho`"+`
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`+"(`id`, `item_id`)"+`
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values
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(?, ?)`)
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test.S(t).ExpectEquals(len(res[0].args), 2)
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test.S(t).ExpectEquals(res[0].args[0], 123456)
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test.S(t).ExpectEquals(res[0].args[1], 42)
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})
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t.Run("update", func(t *testing.T) {
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binlogEvent := &binlog.BinlogDMLEvent{
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DatabaseName: "test",
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DML: binlog.UpdateDML,
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NewColumnValues: columnValues,
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WhereColumnValues: columnValues,
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}
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res := applier.buildDMLEventQuery(binlogEvent)
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test.S(t).ExpectEquals(len(res), 1)
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test.S(t).ExpectNil(res[0].err)
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test.S(t).ExpectEquals(strings.TrimSpace(res[0].query),
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`update /* gh-ost `+"`test`.`_test_gho`"+` */
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`+"`test`.`_test_gho`"+`
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set
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`+"`id`"+`=?, `+"`item_id`"+`=?
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where
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((`+"`id`"+` = ?) and (`+"`item_id`"+` = ?))`)
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test.S(t).ExpectEquals(len(res[0].args), 4)
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test.S(t).ExpectEquals(res[0].args[0], 123456)
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test.S(t).ExpectEquals(res[0].args[1], 42)
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test.S(t).ExpectEquals(res[0].args[2], 123456)
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test.S(t).ExpectEquals(res[0].args[3], 42)
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})
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}
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