mirrors/django
1
0
Fork 0
mirror of https://github.com/django/django.git synced 2025-08-30 15:27:40 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

Fixed #29198 -- Added migrate --plan option.

Browse source
This commit is contained in:
Calvin DeBoer 2018-05-19 11:38:02 -04:00 • committed by Tim Graham
parent 1160a97596
commit 058d33f3ed
9 changed files with 197 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

67
tests/migrations/test_commands.py
View file

@ -298,6 +298,73 @@ class MigrateTests(MigrationTestBase):
# Cleanup by unmigrating everything
call_command("migrate", "migrations", "zero", verbosity=0)
@override_settings(MIGRATION_MODULES={'migrations': 'migrations.test_migrations_plan'})
def test_migrate_plan(self):
"""Tests migrate --plan output."""
out = io.StringIO()
# Show the plan up to the third migration.
call_command('migrate', 'migrations', '0003', plan=True, stdout=out, no_color=True)
self.assertEqual(
'Planned operations:\n'
'migrations.0001_initial\n'
' Create model Salamander\n'
' Raw Python operation -> Grow salamander tail.\n'
'migrations.0002_second\n'
' Create model Book\n'
' Raw SQL operation -> SELECT * FROM migrations_book\n'
'migrations.0003_third\n'
' Create model Author\n'
' Raw SQL operation -> SELECT * FROM migrations_author\n',
out.getvalue()
)
# Migrate to the third migration.
call_command('migrate', 'migrations', '0003', verbosity=0)
out = io.StringIO()
# Show the plan for when there is nothing to apply.
call_command('migrate', 'migrations', '0003', plan=True, stdout=out, no_color=True)
self.assertEqual(
'Planned operations:\n'
' No planned migration operations.\n',
out.getvalue()
)
out = io.StringIO()
# Show the plan for reverse migration back to 0001.
call_command('migrate', 'migrations', '0001', plan=True, stdout=out, no_color=True)
self.assertEqual(
'Planned operations:\n'
'migrations.0003_third\n'
' Undo Create model Author\n'
' Raw SQL operation -> SELECT * FROM migrations_book\n'
'migrations.0002_second\n'
' Undo Create model Book\n'
' Raw SQL operation -> SELECT * FROM migrations_salamander\n',
out.getvalue()
)
out = io.StringIO()
# Show the migration plan to fourth, with truncated details.
call_command('migrate', 'migrations', '0004', plan=True, stdout=out, no_color=True)
self.assertEqual(
'Planned operations:\n'
'migrations.0004_fourth\n'
' Raw SQL operation -> SELECT * FROM migrations_author W...\n',
out.getvalue()
)
# Migrate to the fourth migration.
call_command('migrate', 'migrations', '0004', verbosity=0)
out = io.StringIO()
# Show the plan when an operation is irreversible.
call_command('migrate', 'migrations', '0003', plan=True, stdout=out, no_color=True)
self.assertEqual(
'Planned operations:\n'
'migrations.0004_fourth\n'
' Raw SQL operation -> IRREVERSIBLE\n',
out.getvalue()
)
# Cleanup by unmigrating everything: fake the irreversible, then
# migrate all to zero.
call_command('migrate', 'migrations', '0003', fake=True, verbosity=0)
call_command('migrate', 'migrations', 'zero', verbosity=0)
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations_empty"})
def test_showmigrations_plan_no_migrations(self):
"""