Commit 804b94e2 authored by Russell Keith-Magee's avatar Russell Keith-Magee
Browse files

[1.2.X] Migrated backends doctests. Thanks to Sebastian Hillig.

Backport of r13884 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@13905 bcc190cf-cafb-0310-a4f2-bffc1f526a37
parent e8ccba76
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+0 −40
Original line number Diff line number Diff line
@@ -22,43 +22,3 @@ class SchoolClass(models.Model):

qn = connection.ops.quote_name
__test__ = {'API_TESTS': """

#4896: Test cursor.executemany
>>> from django.db import connection
>>> cursor = connection.cursor()
>>> opts = Square._meta
>>> f1, f2 = opts.get_field('root'), opts.get_field('square')
>>> query = ('INSERT INTO %s (%s, %s) VALUES (%%s, %%s)'
...         % (connection.introspection.table_name_converter(opts.db_table), qn(f1.column), qn(f2.column)))
>>> cursor.executemany(query, [(i, i**2) for i in range(-5, 6)]) and None or None
>>> Square.objects.order_by('root')
[<Square: -5 ** 2 == 25>, <Square: -4 ** 2 == 16>, <Square: -3 ** 2 == 9>, <Square: -2 ** 2 == 4>, <Square: -1 ** 2 == 1>, <Square: 0 ** 2 == 0>, <Square: 1 ** 2 == 1>, <Square: 2 ** 2 == 4>, <Square: 3 ** 2 == 9>, <Square: 4 ** 2 == 16>, <Square: 5 ** 2 == 25>]

#4765: executemany with params=[] does nothing
>>> cursor.executemany(query, []) and None or None
>>> Square.objects.count()
11

#6254: fetchone, fetchmany, fetchall return strings as unicode objects
>>> Person(first_name="John", last_name="Doe").save()
>>> Person(first_name="Jane", last_name="Doe").save()
>>> Person(first_name="Mary", last_name="Agnelline").save()
>>> Person(first_name="Peter", last_name="Parker").save()
>>> Person(first_name="Clark", last_name="Kent").save()
>>> opts2 = Person._meta
>>> f3, f4 = opts2.get_field('first_name'), opts2.get_field('last_name')
>>> query2 = ('SELECT %s, %s FROM %s ORDER BY %s'
...          % (qn(f3.column), qn(f4.column), connection.introspection.table_name_converter(opts2.db_table),
...             qn(f3.column)))
>>> cursor.execute(query2) and None or None
>>> cursor.fetchone()
(u'Clark', u'Kent')

>>> list(cursor.fetchmany(2))
[(u'Jane', u'Doe'), (u'John', u'Doe')]

>>> list(cursor.fetchall())
[(u'Mary', u'Agnelline'), (u'Peter', u'Parker')]

"""}
+39 −0
Original line number Diff line number Diff line
@@ -120,3 +120,42 @@ if settings.DATABASES[DEFAULT_DB_ALIAS]["ENGINE"] != "django.db.backends.sqlite3
            data.clear()
            cursor = connection.cursor()
            self.assertTrue(data == {})


class BackendTestCase(TestCase):
    def test_cursor_executemany(self):
        #4896: Test cursor.executemany
        cursor = connection.cursor()
        qn = connection.ops.quote_name
        opts = models.Square._meta
        f1, f2 = opts.get_field('root'), opts.get_field('square')
        query = ('INSERT INTO %s (%s, %s) VALUES (%%s, %%s)'
                 % (connection.introspection.table_name_converter(opts.db_table), qn(f1.column), qn(f2.column)))
        cursor.executemany(query, [(i, i**2) for i in range(-5, 6)])
        self.assertEqual(models.Square.objects.count(), 11)
        for i in range(-5, 6):
            square = models.Square.objects.get(root=i)
            self.assertEqual(square.square, i**2)

        #4765: executemany with params=[] does nothing
        cursor.executemany(query, [])
        self.assertEqual(models.Square.objects.count(), 11)

    def test_unicode_fetches(self):
        #6254: fetchone, fetchmany, fetchall return strings as unicode objects
        qn = connection.ops.quote_name
        models.Person(first_name="John", last_name="Doe").save()
        models.Person(first_name="Jane", last_name="Doe").save()
        models.Person(first_name="Mary", last_name="Agnelline").save()
        models.Person(first_name="Peter", last_name="Parker").save()
        models.Person(first_name="Clark", last_name="Kent").save()
        opts2 = models.Person._meta
        f3, f4 = opts2.get_field('first_name'), opts2.get_field('last_name')
        query2 = ('SELECT %s, %s FROM %s ORDER BY %s'
          % (qn(f3.column), qn(f4.column), connection.introspection.table_name_converter(opts2.db_table),
             qn(f3.column)))
        cursor = connection.cursor()
        cursor.execute(query2)
        self.assertEqual(cursor.fetchone(), (u'Clark', u'Kent'))
        self.assertEqual(list(cursor.fetchmany(2)), [(u'Jane', u'Doe'), (u'John', u'Doe')])
        self.assertEqual(list(cursor.fetchall()), [(u'Mary', u'Agnelline'), (u'Peter', u'Parker')])