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Code Issues 32 Releases Wiki Activity

Fixed #24550 -- Added migration operation description to sqlmigrate output

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Thanks Tim Graham for the review.
This commit is contained in:
Markus Holtermann
2015-03-29 16:59:35 +02:00
parent dc27f3ee0c
commit c5cc332bf2
6 changed files with 83 additions and 21 deletions
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57
tests/migrations/test_commands.py
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@@ -289,29 +289,64 @@ class MigrateTests(MigrationTestBase):
)
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
def test_sqlmigrate(self):
def test_sqlmigrate_forwards(self):
"""
Makes sure that sqlmigrate does something.
"""
# Make sure the output is wrapped in a transaction
out = six.StringIO()
call_command("sqlmigrate", "migrations", "0001", stdout=out)
output = out.getvalue()
self.assertIn(connection.ops.start_transaction_sql(), output)
self.assertIn(connection.ops.end_transaction_sql(), output)
output = out.getvalue().lower()
# Test forwards. All the databases agree on CREATE TABLE, at least.
out = six.StringIO()
call_command("sqlmigrate", "migrations", "0001", stdout=out)
self.assertIn("create table", out.getvalue().lower())
index_tx_start = output.find(connection.ops.start_transaction_sql().lower())
index_op_desc_author = output.find('-- create model author')
index_create_table = output.find('create table')
index_op_desc_tribble = output.find('-- create model tribble')
index_op_desc_unique_together = output.find('-- alter unique_together')
index_tx_end = output.find(connection.ops.end_transaction_sql().lower())
self.assertGreater(index_tx_start, -1, "Transaction start not found")
self.assertGreater(index_op_desc_author, index_tx_start,
"Operation description (author) not found or found before transaction start")
self.assertGreater(index_create_table, index_op_desc_author,
"CREATE TABLE not found or found before operation description (author)")
self.assertGreater(index_op_desc_tribble, index_create_table,
"Operation description (tribble) not found or found before CREATE TABLE (author)")
self.assertGreater(index_op_desc_unique_together, index_op_desc_tribble,
"Operation description (unique_together) not found or found before operation description (tribble)")
self.assertGreater(index_tx_end, index_op_desc_unique_together,
"Transaction end not found or found before operation description (unique_together)")
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
def test_sqlmigrate_backwards(self):
"""
Makes sure that sqlmigrate does something.
"""
# Cannot generate the reverse SQL unless we've applied the migration.
call_command("migrate", "migrations", verbosity=0)
# And backwards is a DROP TABLE
out = six.StringIO()
call_command("sqlmigrate", "migrations", "0001", stdout=out, backwards=True)
self.assertIn("drop table", out.getvalue().lower())
output = out.getvalue().lower()
index_tx_start = output.find(connection.ops.start_transaction_sql().lower())
index_op_desc_unique_together = output.find('-- alter unique_together')
index_op_desc_tribble = output.find('-- create model tribble')
index_op_desc_author = output.find('-- create model author')
index_drop_table = output.rfind('drop table')
index_tx_end = output.find(connection.ops.end_transaction_sql().lower())
self.assertGreater(index_tx_start, -1, "Transaction start not found")
self.assertGreater(index_op_desc_unique_together, index_tx_start,
"Operation description (unique_together) not found or found before transaction start")
self.assertGreater(index_op_desc_tribble, index_op_desc_unique_together,
"Operation description (tribble) not found or found before operation description (unique_together)")
self.assertGreater(index_op_desc_author, index_op_desc_tribble,
"Operation description (author) not found or found before operation description (tribble)")
self.assertGreater(index_drop_table, index_op_desc_author,
"DROP TABLE not found or found before operation description (author)")
self.assertGreater(index_tx_end, index_op_desc_unique_together,
"Transaction end not found or found before DROP TABLE")
# Cleanup by unmigrating everything
call_command("migrate", "migrations", "zero", verbosity=0)