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Added functions for inspectdb table filtering in tests.

This commit is contained in:
Tim Graham 2018-03-12 10:02:10 -04:00
parent e1cf2a607e
commit 25b97ee170
1 changed files with 16 additions and 16 deletions
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32
tests/inspectdb/tests.py
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@ -10,15 +10,23 @@ from django.test import TestCase, TransactionTestCase, skipUnlessDBFeature
from .models import ColumnTypes
def inspectdb_tables_only(table_name):
"""
Limit introspection to tables created for models of this app.
Some databases such as Oracle are extremely slow at introspection.
"""
return table_name.startswith('inspectdb_')
def special_table_only(table_name):
return table_name.startswith('inspectdb_special')
class InspectDBTestCase(TestCase):
def test_stealth_table_name_filter_option(self):
out = StringIO()
# Lets limit the introspection to tables created for models of this
# application
call_command('inspectdb',
table_name_filter=lambda tn: tn.startswith('inspectdb_'),
stdout=out)
call_command('inspectdb', table_name_filter=inspectdb_tables_only, stdout=out)
error_message = "inspectdb has examined a table that should have been filtered out."
# contrib.contenttypes is one of the apps always installed when running
# the Django test suite, check that one of its tables hasn't been
@ -136,11 +144,7 @@ class InspectDBTestCase(TestCase):
@skipUnlessDBFeature('can_introspect_foreign_keys')
def test_attribute_name_not_python_keyword(self):
out = StringIO()
# Lets limit the introspection to tables created for models of this
# application
call_command('inspectdb',
table_name_filter=lambda tn: tn.startswith('inspectdb_'),
stdout=out)
call_command('inspectdb', table_name_filter=inspectdb_tables_only, stdout=out)
output = out.getvalue()
error_message = "inspectdb generated an attribute name which is a python keyword"
# Recursive foreign keys should be set to 'self'
@ -186,9 +190,7 @@ class InspectDBTestCase(TestCase):
unsuitable for Python identifiers
"""
out = StringIO()
call_command('inspectdb',
table_name_filter=lambda tn: tn.startswith('inspectdb_special'),
stdout=out)
call_command('inspectdb', table_name_filter=special_table_only, stdout=out)
output = out.getvalue()
base_name = 'field' if connection.features.uppercases_column_names else 'Field'
self.assertIn("field = models.IntegerField()", output)
@ -204,9 +206,7 @@ class InspectDBTestCase(TestCase):
unsuitable for Python identifiers
"""
out = StringIO()
call_command('inspectdb',
table_name_filter=lambda tn: tn.startswith('inspectdb_special'),
stdout=out)
call_command('inspectdb', table_name_filter=special_table_only, stdout=out)
output = out.getvalue()
self.assertIn("class InspectdbSpecialTableName(models.Model):", output)