Refs #33476 -- Reformatted code with Black.

This commit is contained in:
django-bot 2022-02-03 20:24:19 +01:00 committed by Mariusz Felisiak
parent f68fa8b45d
commit 9c19aff7c7
1992 changed files with 139577 additions and 96284 deletions

View file

@ -3,28 +3,46 @@ from django.db.models import Index
from django.test import TransactionTestCase, skipUnlessDBFeature
from .models import (
Article, ArticleReporter, CheckConstraintModel, City, Comment, Country,
District, Reporter, UniqueConstraintConditionModel,
Article,
ArticleReporter,
CheckConstraintModel,
City,
Comment,
Country,
District,
Reporter,
UniqueConstraintConditionModel,
)
class IntrospectionTests(TransactionTestCase):
available_apps = ['introspection']
available_apps = ["introspection"]
def test_table_names(self):
tl = connection.introspection.table_names()
self.assertEqual(tl, sorted(tl))
self.assertIn(Reporter._meta.db_table, tl, "'%s' isn't in table_list()." % Reporter._meta.db_table)
self.assertIn(Article._meta.db_table, tl, "'%s' isn't in table_list()." % Article._meta.db_table)
self.assertIn(
Reporter._meta.db_table,
tl,
"'%s' isn't in table_list()." % Reporter._meta.db_table,
)
self.assertIn(
Article._meta.db_table,
tl,
"'%s' isn't in table_list()." % Article._meta.db_table,
)
def test_django_table_names(self):
with connection.cursor() as cursor:
cursor.execute('CREATE TABLE django_ixn_test_table (id INTEGER);')
cursor.execute("CREATE TABLE django_ixn_test_table (id INTEGER);")
tl = connection.introspection.django_table_names()
cursor.execute("DROP TABLE django_ixn_test_table;")
self.assertNotIn('django_ixn_test_table', tl,
"django_table_names() returned a non-Django table")
self.assertNotIn(
"django_ixn_test_table",
tl,
"django_table_names() returned a non-Django table",
)
def test_django_table_names_retval_type(self):
# Table name is a list #15216
@ -37,19 +55,25 @@ class IntrospectionTests(TransactionTestCase):
with connection.cursor() as cursor:
try:
cursor.execute(
'CREATE VIEW introspection_article_view AS SELECT headline '
'from introspection_article;')
"CREATE VIEW introspection_article_view AS SELECT headline "
"from introspection_article;"
)
except DatabaseError as e:
if 'insufficient privileges' in str(e):
if "insufficient privileges" in str(e):
self.fail("The test user has no CREATE VIEW privileges")
else:
raise
try:
self.assertIn('introspection_article_view', connection.introspection.table_names(include_views=True))
self.assertNotIn('introspection_article_view', connection.introspection.table_names())
self.assertIn(
"introspection_article_view",
connection.introspection.table_names(include_views=True),
)
self.assertNotIn(
"introspection_article_view", connection.introspection.table_names()
)
finally:
with connection.cursor() as cursor:
cursor.execute('DROP VIEW introspection_article_view')
cursor.execute("DROP VIEW introspection_article_view")
def test_unmanaged_through_model(self):
tables = connection.introspection.django_table_names()
@ -62,216 +86,297 @@ class IntrospectionTests(TransactionTestCase):
def test_sequence_list(self):
sequences = connection.introspection.sequence_list()
reporter_seqs = [seq for seq in sequences if seq['table'] == Reporter._meta.db_table]
self.assertEqual(len(reporter_seqs), 1, 'Reporter sequence not found in sequence_list()')
self.assertEqual(reporter_seqs[0]['column'], 'id')
reporter_seqs = [
seq for seq in sequences if seq["table"] == Reporter._meta.db_table
]
self.assertEqual(
len(reporter_seqs), 1, "Reporter sequence not found in sequence_list()"
)
self.assertEqual(reporter_seqs[0]["column"], "id")
def test_get_table_description_names(self):
with connection.cursor() as cursor:
desc = connection.introspection.get_table_description(cursor, Reporter._meta.db_table)
self.assertEqual([r[0] for r in desc],
[f.column for f in Reporter._meta.fields])
desc = connection.introspection.get_table_description(
cursor, Reporter._meta.db_table
)
self.assertEqual(
[r[0] for r in desc], [f.column for f in Reporter._meta.fields]
)
def test_get_table_description_types(self):
with connection.cursor() as cursor:
desc = connection.introspection.get_table_description(cursor, Reporter._meta.db_table)
desc = connection.introspection.get_table_description(
cursor, Reporter._meta.db_table
)
self.assertEqual(
[connection.introspection.get_field_type(r[1], r) for r in desc],
[
connection.features.introspected_field_types[field] for field in (
'AutoField', 'CharField', 'CharField', 'CharField',
'BigIntegerField', 'BinaryField', 'SmallIntegerField',
'DurationField',
connection.features.introspected_field_types[field]
for field in (
"AutoField",
"CharField",
"CharField",
"CharField",
"BigIntegerField",
"BinaryField",
"SmallIntegerField",
"DurationField",
)
],
)
def test_get_table_description_col_lengths(self):
with connection.cursor() as cursor:
desc = connection.introspection.get_table_description(cursor, Reporter._meta.db_table)
desc = connection.introspection.get_table_description(
cursor, Reporter._meta.db_table
)
self.assertEqual(
[r[3] for r in desc if connection.introspection.get_field_type(r[1], r) == 'CharField'],
[30, 30, 254]
[
r[3]
for r in desc
if connection.introspection.get_field_type(r[1], r) == "CharField"
],
[30, 30, 254],
)
def test_get_table_description_nullable(self):
with connection.cursor() as cursor:
desc = connection.introspection.get_table_description(cursor, Reporter._meta.db_table)
desc = connection.introspection.get_table_description(
cursor, Reporter._meta.db_table
)
nullable_by_backend = connection.features.interprets_empty_strings_as_nulls
self.assertEqual(
[r[6] for r in desc],
[False, nullable_by_backend, nullable_by_backend, nullable_by_backend, True, True, False, False]
[
False,
nullable_by_backend,
nullable_by_backend,
nullable_by_backend,
True,
True,
False,
False,
],
)
def test_bigautofield(self):
with connection.cursor() as cursor:
desc = connection.introspection.get_table_description(cursor, City._meta.db_table)
desc = connection.introspection.get_table_description(
cursor, City._meta.db_table
)
self.assertIn(
connection.features.introspected_field_types['BigAutoField'],
connection.features.introspected_field_types["BigAutoField"],
[connection.introspection.get_field_type(r[1], r) for r in desc],
)
def test_smallautofield(self):
with connection.cursor() as cursor:
desc = connection.introspection.get_table_description(cursor, Country._meta.db_table)
desc = connection.introspection.get_table_description(
cursor, Country._meta.db_table
)
self.assertIn(
connection.features.introspected_field_types['SmallAutoField'],
connection.features.introspected_field_types["SmallAutoField"],
[connection.introspection.get_field_type(r[1], r) for r in desc],
)
# Regression test for #9991 - 'real' types in postgres
@skipUnlessDBFeature('has_real_datatype')
@skipUnlessDBFeature("has_real_datatype")
def test_postgresql_real_type(self):
with connection.cursor() as cursor:
cursor.execute("CREATE TABLE django_ixn_real_test_table (number REAL);")
desc = connection.introspection.get_table_description(cursor, 'django_ixn_real_test_table')
cursor.execute('DROP TABLE django_ixn_real_test_table;')
self.assertEqual(connection.introspection.get_field_type(desc[0][1], desc[0]), 'FloatField')
desc = connection.introspection.get_table_description(
cursor, "django_ixn_real_test_table"
)
cursor.execute("DROP TABLE django_ixn_real_test_table;")
self.assertEqual(
connection.introspection.get_field_type(desc[0][1], desc[0]), "FloatField"
)
@skipUnlessDBFeature('can_introspect_foreign_keys')
@skipUnlessDBFeature("can_introspect_foreign_keys")
def test_get_relations(self):
with connection.cursor() as cursor:
relations = connection.introspection.get_relations(cursor, Article._meta.db_table)
relations = connection.introspection.get_relations(
cursor, Article._meta.db_table
)
# That's {field_name: (field_name_other_table, other_table)}
expected_relations = {
'reporter_id': ('id', Reporter._meta.db_table),
'response_to_id': ('id', Article._meta.db_table),
"reporter_id": ("id", Reporter._meta.db_table),
"response_to_id": ("id", Article._meta.db_table),
}
self.assertEqual(relations, expected_relations)
# Removing a field shouldn't disturb get_relations (#17785)
body = Article._meta.get_field('body')
body = Article._meta.get_field("body")
with connection.schema_editor() as editor:
editor.remove_field(Article, body)
with connection.cursor() as cursor:
relations = connection.introspection.get_relations(cursor, Article._meta.db_table)
relations = connection.introspection.get_relations(
cursor, Article._meta.db_table
)
with connection.schema_editor() as editor:
editor.add_field(Article, body)
self.assertEqual(relations, expected_relations)
def test_get_primary_key_column(self):
with connection.cursor() as cursor:
primary_key_column = connection.introspection.get_primary_key_column(cursor, Article._meta.db_table)
pk_fk_column = connection.introspection.get_primary_key_column(cursor, District._meta.db_table)
self.assertEqual(primary_key_column, 'id')
self.assertEqual(pk_fk_column, 'city_id')
primary_key_column = connection.introspection.get_primary_key_column(
cursor, Article._meta.db_table
)
pk_fk_column = connection.introspection.get_primary_key_column(
cursor, District._meta.db_table
)
self.assertEqual(primary_key_column, "id")
self.assertEqual(pk_fk_column, "city_id")
def test_get_constraints_index_types(self):
with connection.cursor() as cursor:
constraints = connection.introspection.get_constraints(cursor, Article._meta.db_table)
constraints = connection.introspection.get_constraints(
cursor, Article._meta.db_table
)
index = {}
index2 = {}
for val in constraints.values():
if val['columns'] == ['headline', 'pub_date']:
if val["columns"] == ["headline", "pub_date"]:
index = val
if val['columns'] == ['headline', 'response_to_id', 'pub_date', 'reporter_id']:
if val["columns"] == [
"headline",
"response_to_id",
"pub_date",
"reporter_id",
]:
index2 = val
self.assertEqual(index['type'], Index.suffix)
self.assertEqual(index2['type'], Index.suffix)
self.assertEqual(index["type"], Index.suffix)
self.assertEqual(index2["type"], Index.suffix)
@skipUnlessDBFeature('supports_index_column_ordering')
@skipUnlessDBFeature("supports_index_column_ordering")
def test_get_constraints_indexes_orders(self):
"""
Indexes have the 'orders' key with a list of 'ASC'/'DESC' values.
"""
with connection.cursor() as cursor:
constraints = connection.introspection.get_constraints(cursor, Article._meta.db_table)
constraints = connection.introspection.get_constraints(
cursor, Article._meta.db_table
)
indexes_verified = 0
expected_columns = [
['headline', 'pub_date'],
['headline', 'response_to_id', 'pub_date', 'reporter_id'],
["headline", "pub_date"],
["headline", "response_to_id", "pub_date", "reporter_id"],
]
if connection.features.indexes_foreign_keys:
expected_columns += [
['reporter_id'],
['response_to_id'],
["reporter_id"],
["response_to_id"],
]
for val in constraints.values():
if val['index'] and not (val['primary_key'] or val['unique']):
self.assertIn(val['columns'], expected_columns)
self.assertEqual(val['orders'], ['ASC'] * len(val['columns']))
if val["index"] and not (val["primary_key"] or val["unique"]):
self.assertIn(val["columns"], expected_columns)
self.assertEqual(val["orders"], ["ASC"] * len(val["columns"]))
indexes_verified += 1
self.assertEqual(indexes_verified, len(expected_columns))
@skipUnlessDBFeature('supports_index_column_ordering', 'supports_partial_indexes')
@skipUnlessDBFeature("supports_index_column_ordering", "supports_partial_indexes")
def test_get_constraints_unique_indexes_orders(self):
with connection.cursor() as cursor:
constraints = connection.introspection.get_constraints(
cursor,
UniqueConstraintConditionModel._meta.db_table,
)
self.assertIn('cond_name_without_color_uniq', constraints)
constraint = constraints['cond_name_without_color_uniq']
self.assertIs(constraint['unique'], True)
self.assertEqual(constraint['columns'], ['name'])
self.assertEqual(constraint['orders'], ['ASC'])
self.assertIn("cond_name_without_color_uniq", constraints)
constraint = constraints["cond_name_without_color_uniq"]
self.assertIs(constraint["unique"], True)
self.assertEqual(constraint["columns"], ["name"])
self.assertEqual(constraint["orders"], ["ASC"])
def test_get_constraints(self):
def assertDetails(details, cols, primary_key=False, unique=False, index=False, check=False, foreign_key=None):
def assertDetails(
details,
cols,
primary_key=False,
unique=False,
index=False,
check=False,
foreign_key=None,
):
# Different backends have different values for same constraints:
# PRIMARY KEY UNIQUE CONSTRAINT UNIQUE INDEX
# MySQL pk=1 uniq=1 idx=1 pk=0 uniq=1 idx=1 pk=0 uniq=1 idx=1
# PostgreSQL pk=1 uniq=1 idx=0 pk=0 uniq=1 idx=0 pk=0 uniq=1 idx=1
# SQLite pk=1 uniq=0 idx=0 pk=0 uniq=1 idx=0 pk=0 uniq=1 idx=1
if details['primary_key']:
details['unique'] = True
if details['unique']:
details['index'] = False
self.assertEqual(details['columns'], cols)
self.assertEqual(details['primary_key'], primary_key)
self.assertEqual(details['unique'], unique)
self.assertEqual(details['index'], index)
self.assertEqual(details['check'], check)
self.assertEqual(details['foreign_key'], foreign_key)
if details["primary_key"]:
details["unique"] = True
if details["unique"]:
details["index"] = False
self.assertEqual(details["columns"], cols)
self.assertEqual(details["primary_key"], primary_key)
self.assertEqual(details["unique"], unique)
self.assertEqual(details["index"], index)
self.assertEqual(details["check"], check)
self.assertEqual(details["foreign_key"], foreign_key)
# Test custom constraints
custom_constraints = {
'article_email_pub_date_uniq',
'email_pub_date_idx',
"article_email_pub_date_uniq",
"email_pub_date_idx",
}
with connection.cursor() as cursor:
constraints = connection.introspection.get_constraints(cursor, Comment._meta.db_table)
constraints = connection.introspection.get_constraints(
cursor, Comment._meta.db_table
)
if (
connection.features.supports_column_check_constraints and
connection.features.can_introspect_check_constraints
connection.features.supports_column_check_constraints
and connection.features.can_introspect_check_constraints
):
constraints.update(
connection.introspection.get_constraints(cursor, CheckConstraintModel._meta.db_table)
connection.introspection.get_constraints(
cursor, CheckConstraintModel._meta.db_table
)
)
custom_constraints.add('up_votes_gte_0_check')
assertDetails(constraints['up_votes_gte_0_check'], ['up_votes'], check=True)
assertDetails(constraints['article_email_pub_date_uniq'], ['article_id', 'email', 'pub_date'], unique=True)
assertDetails(constraints['email_pub_date_idx'], ['email', 'pub_date'], index=True)
custom_constraints.add("up_votes_gte_0_check")
assertDetails(
constraints["up_votes_gte_0_check"], ["up_votes"], check=True
)
assertDetails(
constraints["article_email_pub_date_uniq"],
["article_id", "email", "pub_date"],
unique=True,
)
assertDetails(
constraints["email_pub_date_idx"], ["email", "pub_date"], index=True
)
# Test field constraints
field_constraints = set()
for name, details in constraints.items():
if name in custom_constraints:
continue
elif details['columns'] == ['up_votes'] and details['check']:
assertDetails(details, ['up_votes'], check=True)
elif details["columns"] == ["up_votes"] and details["check"]:
assertDetails(details, ["up_votes"], check=True)
field_constraints.add(name)
elif details['columns'] == ['voting_number'] and details['check']:
assertDetails(details, ['voting_number'], check=True)
elif details["columns"] == ["voting_number"] and details["check"]:
assertDetails(details, ["voting_number"], check=True)
field_constraints.add(name)
elif details['columns'] == ['ref'] and details['unique']:
assertDetails(details, ['ref'], unique=True)
elif details["columns"] == ["ref"] and details["unique"]:
assertDetails(details, ["ref"], unique=True)
field_constraints.add(name)
elif details['columns'] == ['voting_number'] and details['unique']:
assertDetails(details, ['voting_number'], unique=True)
elif details["columns"] == ["voting_number"] and details["unique"]:
assertDetails(details, ["voting_number"], unique=True)
field_constraints.add(name)
elif details['columns'] == ['article_id'] and details['index']:
assertDetails(details, ['article_id'], index=True)
elif details["columns"] == ["article_id"] and details["index"]:
assertDetails(details, ["article_id"], index=True)
field_constraints.add(name)
elif details['columns'] == ['id'] and details['primary_key']:
assertDetails(details, ['id'], primary_key=True, unique=True)
elif details["columns"] == ["id"] and details["primary_key"]:
assertDetails(details, ["id"], primary_key=True, unique=True)
field_constraints.add(name)
elif details['columns'] == ['article_id'] and details['foreign_key']:
assertDetails(details, ['article_id'], foreign_key=('introspection_article', 'id'))
elif details["columns"] == ["article_id"] and details["foreign_key"]:
assertDetails(
details, ["article_id"], foreign_key=("introspection_article", "id")
)
field_constraints.add(name)
elif details['check']:
elif details["check"]:
# Some databases (e.g. Oracle) include additional check
# constraints.
field_constraints.add(name)
# All constraints are accounted for.
self.assertEqual(constraints.keys() ^ (custom_constraints | field_constraints), set())
self.assertEqual(
constraints.keys() ^ (custom_constraints | field_constraints), set()
)