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104 lines
4.1 KiB
Python
104 lines
4.1 KiB
Python
import os.path
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import shutil
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import sys
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import tempfile
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from test.picardtestcase import PicardTestCase
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from picard.i18n import setup_gettext
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from picard.util import bytes2human
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class Testbytes2human(PicardTestCase):
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def setUp(self):
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super().setUp()
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# we are using temporary locales for tests
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self.tmp_path = tempfile.mkdtemp()
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if sys.hexversion >= 0x020700F0:
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self.addCleanup(shutil.rmtree, self.tmp_path)
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self.localedir = os.path.join(self.tmp_path, 'locale')
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def tearDown(self):
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if sys.hexversion < 0x020700F0:
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shutil.rmtree(self.tmp_path)
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def test_00(self):
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# testing with default C locale, english
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lang = 'C'
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setup_gettext(self.localedir, lang)
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self.run_test(lang)
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self.assertEqual(bytes2human.binary(45682), '44.6 KiB')
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self.assertEqual(bytes2human.binary(-45682), '-44.6 KiB')
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self.assertEqual(bytes2human.binary(-45682, 2), '-44.61 KiB')
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self.assertEqual(bytes2human.decimal(45682), '45.7 kB')
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self.assertEqual(bytes2human.decimal(45682, 2), '45.68 kB')
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self.assertEqual(bytes2human.decimal(9223372036854775807), '9223.4 PB')
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self.assertEqual(bytes2human.decimal(9223372036854775807, 3), '9223.372 PB')
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self.assertEqual(bytes2human.decimal(123.6), '123 B')
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self.assertRaises(ValueError, bytes2human.decimal, 'xxx')
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self.assertRaises(ValueError, bytes2human.decimal, '123.6')
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self.assertRaises(ValueError, bytes2human.binary, 'yyy')
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self.assertRaises(ValueError, bytes2human.binary, '456yyy')
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try:
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bytes2human.decimal(u'123')
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except Exception as e:
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self.fail('Unexpected exception: %s' % e)
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def test_calc_unit_raises_value_error(self):
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self.assertRaises(ValueError, bytes2human.calc_unit, 1, None)
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self.assertRaises(ValueError, bytes2human.calc_unit, 1, 100)
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self.assertRaises(ValueError, bytes2human.calc_unit, 1, 999)
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self.assertRaises(ValueError, bytes2human.calc_unit, 1, 1023)
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self.assertRaises(ValueError, bytes2human.calc_unit, 1, 1025)
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self.assertEquals((1.0, 'B'), bytes2human.calc_unit(1, 1024))
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self.assertEquals((1.0, 'B'), bytes2human.calc_unit(1, 1000))
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def run_test(self, lang='C', create_test_data=False):
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"""
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Compare data generated with sample files
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Setting create_test_data to True will generated sample files
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from code execution (developer-only, check carefully)
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"""
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filename = os.path.join('test', 'data', 'b2h_test_%s.dat' % lang)
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testlist = self._create_testlist()
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if create_test_data:
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self._save_expected_to(filename, testlist)
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expected = self._read_expected_from(filename)
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#self.maxDiff = None
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self.assertEqual(testlist, expected)
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if create_test_data:
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# be sure it is disabled
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self.fail('!!! UNSET create_test_data mode !!! (%s)' % filename)
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def _create_testlist(self):
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values = [0, 1]
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for n in [1000, 1024]:
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p = 1
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for e in range(0, 6):
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p *= n
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for x in [0.1, 0.5, 0.99, 0.9999, 1, 1.5]:
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values.append(int(p * x))
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list = []
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for x in sorted(values):
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list.append(";".join([str(x), bytes2human.decimal(x),
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bytes2human.binary(x),
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bytes2human.short_string(x, 1024, 2)]))
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return list
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def _save_expected_to(self, path, a_list):
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with open(path, 'wb') as f:
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f.writelines([l + "\n" for l in a_list])
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f.close()
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def _read_expected_from(self, path):
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with open(path, 'r') as f:
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lines = [l.rstrip("\n") for l in f.readlines()]
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f.close()
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return lines
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def test_calc_unit(self):
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self.assertEqual(bytes2human.calc_unit(12456, 1024), (12.1640625, 'KiB'))
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self.assertEqual(bytes2human.calc_unit(-12456, 1000), (-12.456, 'kB'))
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self.assertRaises(ValueError, bytes2human.calc_unit, 0, 1001)
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