gh-94808: Improve coverage of _PyBytes_FormatEx (GH-95895)

There were two specific areas not covered:

- %(name) syntax
- %*s syntax

Automerge-Triggered-By: GH:iritkatriel
(cherry picked from commit dde15f5879)

Co-authored-by: Michael Droettboom <mdboom@gmail.com>
This commit is contained in:
Miss Islington (bot) 2022-09-07 05:18:33 -07:00 committed by GitHub
parent 82284337a4
commit 295f510f5a
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@ -715,6 +715,24 @@ class BaseBytesTest:
self.assertEqual(b, b'hello,\x00world!')
self.assertIs(type(b), self.type2test)
def check(fmt, vals, result):
b = self.type2test(fmt)
b = b % vals
self.assertEqual(b, result)
self.assertIs(type(b), self.type2test)
# A set of tests adapted from test_unicode:UnicodeTest.test_formatting
check(b'...%(foo)b...', {b'foo':b"abc"}, b'...abc...')
check(b'...%(f(o)o)b...', {b'f(o)o':b"abc", b'foo':b'bar'}, b'...abc...')
check(b'...%(foo)b...', {b'foo':b"abc",b'def':123}, b'...abc...')
check(b'%*b', (5, b'abc',), b' abc')
check(b'%*b', (-5, b'abc',), b'abc ')
check(b'%*.*b', (5, 2, b'abc',), b' ab')
check(b'%*.*b', (5, 3, b'abc',), b' abc')
check(b'%i %*.*b', (10, 5, 3, b'abc',), b'10 abc')
check(b'%i%b %*.*b', (10, b'3', 5, 3, b'abc',), b'103 abc')
check(b'%c', b'a', b'a')
def test_imod(self):
b = self.type2test(b'hello, %b!')
orig = b