def test_migrate_foreign_keys(self):
# Prepare the scenario migrating needed objects along the way:
source_catalog = grt.classes.db_mssql_Catalog()
source_catalog.name = 'AdventureWorks'
res = DbMssqlRE.reverseEngineerUserDatatypes(self.connection, source_catalog)
self.assertEqual(res, 0)
for schema_name in ['Person', 'Purchasing']:
source_schema = grt.classes.db_mssql_Schema()
source_schema.name = schema_name
source_schema.owner = source_catalog
res = DbMssqlRE.reverseEngineerTables(self.connection, source_schema)
self.assertEqual(res, 0)
for table in source_schema.tables:
# Only rev eng the relevant tables
if source_schema.name + '.' + table.name not in ['Person.Contact', 'Person.ContactType', 'Purchasing.Vendor', 'Purchasing.VendorContact']:
continue
res = DbMssqlRE.reverseEngineerTableColumns(self.connection, table)
self.assertEqual(res, 0)
source_catalog.schemata.append(source_schema)
target_catalog = grt.classes.db_mysql_Catalog()
res = DbMssqlMigration.migrateCatalog(source_catalog, target_catalog)
self.assertEqual(res, 0)
# Second pass through the tables, to be sure that all of the columns are there and to RevEng those
# objects that require rev eng of table columns:
source_target_schemata = zip(source_catalog.schemata, target_catalog.schemata)
self.assertEqual(len(source_target_schemata), 2)
test_target_table = None
for source_schema, target_schema in source_target_schemata:
res = DbMssqlMigration.migrateSchema(source_schema, target_schema)
self.assertEqual(res, 0)
self.assertTrue(len(source_schema.tables) > 0)
self.assertEqual(len(source_schema.tables), len(target_schema.tables))
for source_table, target_table in zip(source_schema.tables, target_schema.tables):
self.assertEqual(source_table.name, target_table.name)
# Only migrate the relevant tables
if source_schema.name + '.' + source_table.name not in ['Person.Contact', 'Person.ContactType', 'Purchasing.Vendor', 'Purchasing.VendorContact']:
continue
res = DbMssqlMigration.migrateTableToMySQL(source_table, target_table)
self.assertEqual(res, 0)
res = DbMssqlMigration.migrateTableColumnsToMySQL(source_table, target_table)
self.assertEqual(res, 0)
if source_table.name == 'VendorContact':
res = DbMssqlRE.reverseEngineerTableFKs(self.connection, source_table)
self.assertEqual(res, 0)
self.assertEqual(len(source_table.foreignKeys), 3)
res = DbMssqlMigration.migrateTableForeignKeysToMySQL(source_table, target_table)
self.assertEqual(res, 0)
test_target_table = target_table
# The actual tests for the foreign keys migration:
self.assertIsNotNone(test_target_table)
self.assertEqual(len(test_target_table.foreignKeys), 3)
found_foreign_keys = 0
for foreign_key in test_target_table.foreignKeys:
if foreign_key.name == 'FK_VendorContact_Contact_ContactID':
found_foreign_keys += 1
self.assertEqual(set(['ContactID']), set([column.name for column in foreign_key.columns]))
self.assertEqual(foreign_key.referencedTable.name, 'Contact')
self.assertEqual(foreign_key.deleteRule, 'NO_ACTION')
self.assertEqual(foreign_key.updateRule, 'NO_ACTION')
self.assertEqual(set(['ContactID']), set([column.name for column in foreign_key.referencedColumns]))
elif foreign_key.name == 'FK_VendorContact_ContactType_ContactTypeID':
found_foreign_keys += 1
self.assertEqual(set(['ContactTypeID']), set([column.name for column in foreign_key.columns]))
self.assertEqual(foreign_key.referencedTable.name, 'ContactType')
self.assertEqual(foreign_key.deleteRule, 'NO_ACTION')
self.assertEqual(foreign_key.updateRule, 'NO_ACTION')
self.assertEqual(set(['ContactTypeID']), set([column.name for column in foreign_key.referencedColumns]))
elif foreign_key.name == 'FK_VendorContact_Vendor_VendorID':
found_foreign_keys += 1
self.assertEqual(set(['VendorID']), set([column.name for column in foreign_key.columns]))
self.assertEqual(foreign_key.referencedTable.name, 'Vendor')
self.assertEqual(foreign_key.deleteRule, 'NO_ACTION')
self.assertEqual(foreign_key.updateRule, 'NO_ACTION')
self.assertEqual(set(['VendorID']), set([column.name for column in foreign_key.referencedColumns]))
self.assertEqual(found_foreign_keys, 3)
def test_migrate_foreign_keys(self):
# Prepare the scenario migrating needed objects along the way:
source_catalog = grt.classes.db_mssql_Catalog()
source_catalog.name = 'AdventureWorks'
res = DbMssqlRE.reverseEngineerUserDatatypes(self.connection,
source_catalog)
self.assertEqual(res, 0)
for schema_name in ['Person', 'Purchasing']:
source_schema = grt.classes.db_mssql_Schema()
source_schema.name = schema_name
source_schema.owner = source_catalog
res = DbMssqlRE.reverseEngineerTables(self.connection,
source_schema)
self.assertEqual(res, 0)
for table in source_schema.tables:
# Only rev eng the relevant tables
if source_schema.name + '.' + table.name not in [
'Person.Contact', 'Person.ContactType',
'Purchasing.Vendor', 'Purchasing.VendorContact'
]:
continue
res = DbMssqlRE.reverseEngineerTableColumns(
self.connection, table)
self.assertEqual(res, 0)
source_catalog.schemata.append(source_schema)
target_catalog = grt.classes.db_mysql_Catalog()
res = DbMssqlMigration.migrateCatalog(source_catalog, target_catalog)
self.assertEqual(res, 0)
# Second pass through the tables, to be sure that all of the columns are there and to RevEng those
# objects that require rev eng of table columns:
source_target_schemata = list(
zip(source_catalog.schemata, target_catalog.schemata))
self.assertEqual(len(source_target_schemata), 2)
test_target_table = None
for source_schema, target_schema in source_target_schemata:
res = DbMssqlMigration.migrateSchema(source_schema, target_schema)
self.assertEqual(res, 0)
self.assertTrue(len(source_schema.tables) > 0)
self.assertEqual(len(source_schema.tables),
len(target_schema.tables))
for source_table, target_table in zip(source_schema.tables,
target_schema.tables):
self.assertEqual(source_table.name, target_table.name)
# Only migrate the relevant tables
if source_schema.name + '.' + source_table.name not in [
'Person.Contact', 'Person.ContactType',
'Purchasing.Vendor', 'Purchasing.VendorContact'
]:
continue
res = DbMssqlMigration.migrateTableToMySQL(
source_table, target_table)
self.assertEqual(res, 0)
res = DbMssqlMigration.migrateTableColumnsToMySQL(
source_table, target_table)
self.assertEqual(res, 0)
if source_table.name == 'VendorContact':
res = DbMssqlRE.reverseEngineerTableFKs(
self.connection, source_table)
self.assertEqual(res, 0)
self.assertEqual(len(source_table.foreignKeys), 3)
res = DbMssqlMigration.migrateTableForeignKeysToMySQL(
source_table, target_table)
self.assertEqual(res, 0)
test_target_table = target_table
# The actual tests for the foreign keys migration:
self.assertIsNotNone(test_target_table)
self.assertEqual(len(test_target_table.foreignKeys), 3)
found_foreign_keys = 0
for foreign_key in test_target_table.foreignKeys:
if foreign_key.name == 'FK_VendorContact_Contact_ContactID':
found_foreign_keys += 1
self.assertEqual(
set(['ContactID']),
set([column.name for column in foreign_key.columns]))
self.assertEqual(foreign_key.referencedTable.name, 'Contact')
self.assertEqual(foreign_key.deleteRule, 'NO_ACTION')
self.assertEqual(foreign_key.updateRule, 'NO_ACTION')
self.assertEqual(
set(['ContactID']),
set([
column.name for column in foreign_key.referencedColumns
]))
elif foreign_key.name == 'FK_VendorContact_ContactType_ContactTypeID':
found_foreign_keys += 1
self.assertEqual(
set(['ContactTypeID']),
set([column.name for column in foreign_key.columns]))
self.assertEqual(foreign_key.referencedTable.name,
'ContactType')
self.assertEqual(foreign_key.deleteRule, 'NO_ACTION')
self.assertEqual(foreign_key.updateRule, 'NO_ACTION')
self.assertEqual(
set(['ContactTypeID']),
set([
column.name for column in foreign_key.referencedColumns
]))
elif foreign_key.name == 'FK_VendorContact_Vendor_VendorID':
found_foreign_keys += 1
self.assertEqual(
set(['VendorID']),
set([column.name for column in foreign_key.columns]))
self.assertEqual(foreign_key.referencedTable.name, 'Vendor')
self.assertEqual(foreign_key.deleteRule, 'NO_ACTION')
self.assertEqual(foreign_key.updateRule, 'NO_ACTION')
self.assertEqual(
set(['VendorID']),
set([
column.name for column in foreign_key.referencedColumns
]))
self.assertEqual(found_foreign_keys, 3)
