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# -*- coding: utf-8 -*-
# Copyright 2020 - 2023 Avram Lubkin, All Rights Reserved
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
"""
Test file for prefixed format spec parsing
"""
import unittest
from prefixed import RE_FORMAT_SPEC
FIELDS = ('fill', 'align', 'sign', 'alt', 'zero', 'prefix_space',
'width', 'grouping', 'margin', 'precision', 'type')
class FormatSpec(unittest.TestCase):
"""
Tests for format spec regular expression
"""
def test_fill_align(self):
"""
Test fill
"""
for align in '<>=^':
spec = RE_FORMAT_SPEC.match('.%s' % align).groupdict()
self.assertEqual(spec.pop('fill'), '.')
self.assertEqual(spec.pop('align'), align)
self.assertTrue(all(field is None for field in spec.values()))
def test_align(self):
"""
Test alignment
"""
for align in '<>=^':
spec = RE_FORMAT_SPEC.match(align).groupdict()
self.assertEqual(spec.pop('align'), align)
self.assertTrue(all(field is None for field in spec.values()))
def test_sign(self):
"""
Test sign
"""
for sign in '+- ':
spec = RE_FORMAT_SPEC.match(sign).groupdict()
self.assertEqual(spec.pop('sign'), sign)
self.assertTrue(all(field is None for field in spec.values()))
def test_alt(self):
"""
Test alternative form
"""
spec = RE_FORMAT_SPEC.match('#').groupdict()
self.assertEqual(spec.pop('alt'), '#')
self.assertTrue(all(field is None for field in spec.values()))
def test_zero(self):
"""
Test zero alias
"""
spec = RE_FORMAT_SPEC.match('0').groupdict()
self.assertEqual(spec.pop('zero'), '0')
self.assertTrue(all(field is None for field in spec.values()))
def test_space_prefix(self):
"""
Test space before prefix flag
"""
for example in ('!', '!!'):
spec = RE_FORMAT_SPEC.match(example).groupdict()
self.assertEqual(spec.pop('prefix_space'), example)
self.assertTrue(all(field is None for field in spec.values()))
def test_width(self):
"""
Test width
"""
spec = RE_FORMAT_SPEC.match('40').groupdict()
self.assertEqual(spec.pop('width'), '40')
self.assertTrue(all(field is None for field in spec.values()))
def test_grouping(self):
"""
Test grouping options
"""
for opt in ',_':
spec = RE_FORMAT_SPEC.match(opt).groupdict()
self.assertEqual(spec.pop('grouping'), opt)
self.assertTrue(all(field is None for field in spec.values()))
def test_margin(self):
"""
Test margin
"""
spec = RE_FORMAT_SPEC.match('%4').groupdict()
self.assertEqual(spec.pop('margin'), '4')
self.assertTrue(all(field is None for field in spec.values()))
spec = RE_FORMAT_SPEC.match('%-4').groupdict()
self.assertEqual(spec.pop('margin'), '-4')
self.assertTrue(all(field is None for field in spec.values()))
def test_precision(self):
"""
Test precision
"""
spec = RE_FORMAT_SPEC.match('.4').groupdict()
self.assertEqual(spec.pop('precision'), '4')
self.assertTrue(all(field is None for field in spec.values()))
def test_type(self):
"""
Test format type
"""
for item in ('f', 'h', 'k', '?', '%'):
spec = RE_FORMAT_SPEC.match(item).groupdict()
self.assertEqual(spec.pop('type'), item)
self.assertTrue(all(field is None for field in spec.values()))
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