tests/string_utils_test.py

   1 #!/usr/bin/env python3
   2
   3 import unittest
   4
   5 import bootstrap
   6 import string_utils as su
   7 import unittest_utils as uu
   8 from ansi import bg, fg, reset
   9
  10
  11 @uu.check_all_methods_for_perf_regressions()
  12 class TestStringUtils(unittest.TestCase):
  13     def test_is_none_or_empty(self):
  14         self.assertTrue(su.is_none_or_empty(None))
  15         self.assertTrue(su.is_none_or_empty(""))
  16         self.assertTrue(su.is_none_or_empty("\n"))
  17         self.assertTrue(su.is_none_or_empty('       '))
  18         self.assertTrue(su.is_none_or_empty('     \n  \r  \t     '))
  19         self.assertFalse(su.is_none_or_empty("Covfefe"))
  20         self.assertFalse(su.is_none_or_empty("1234"))
  21
  22     def test_is_string(self):
  23         self.assertTrue(su.is_string("test"))
  24         self.assertTrue(su.is_string(""))
  25         self.assertFalse(su.is_string(bytes(0x1234)))
  26         self.assertFalse(su.is_string(1234))
  27
  28     def test_is_empty_string(self):
  29         self.assertTrue(su.is_empty_string(''))
  30         self.assertTrue(su.is_empty_string('    \t\t  \n    \r      '))
  31         self.assertFalse(su.is_empty_string(' this is a test '))
  32         self.assertFalse(su.is_empty_string(22))
  33
  34     def test_is_full_string(self):
  35         self.assertFalse(su.is_full_string(''))
  36         self.assertFalse(su.is_full_string('    \t\t  \n    \r      '))
  37         self.assertTrue(su.is_full_string(' this is a test '))
  38         self.assertFalse(su.is_full_string(22))
  39
  40     def test_is_number(self):
  41         self.assertTrue(su.is_number("1234"))
  42         self.assertTrue(su.is_number("-1234"))
  43         self.assertTrue(su.is_number("1234.55"))
  44         self.assertTrue(su.is_number("-1234.55"))
  45         self.assertTrue(su.is_number("+1234"))
  46         self.assertTrue(su.is_number("+1234.55"))
  47         self.assertTrue(su.is_number("-0.8485996602e10"))
  48         self.assertTrue(su.is_number("-0.8485996602E10"))
  49         self.assertFalse(su.is_number("-0.8485996602t10"))
  50         self.assertFalse(su.is_number("  1234  "))
  51         self.assertFalse(su.is_number(" 1234"))
  52         self.assertFalse(su.is_number("1234 "))
  53         self.assertFalse(su.is_number("fifty"))
  54
  55     def test_is_integer_number(self):
  56         self.assertTrue(su.is_integer_number("1234"))
  57         self.assertTrue(su.is_integer_number("-1234"))
  58         self.assertFalse(su.is_integer_number("1234.55"))
  59         self.assertFalse(su.is_integer_number("-1234.55"))
  60         self.assertTrue(su.is_integer_number("+1234"))
  61         self.assertTrue(su.is_integer_number("0x1234"))
  62         self.assertTrue(su.is_integer_number("0xdeadbeef"))
  63         self.assertFalse(su.is_integer_number("+1234.55"))
  64         self.assertTrue(su.is_octal_integer_number("+0o777"))
  65         self.assertFalse(su.is_integer_number("-0.8485996602e10"))
  66         self.assertFalse(su.is_integer_number("-0.8485996602E10"))
  67         self.assertFalse(su.is_integer_number("-0.8485996602t10"))
  68         self.assertFalse(su.is_integer_number("  1234  "))
  69         self.assertFalse(su.is_integer_number(" 1234"))
  70         self.assertFalse(su.is_integer_number("1234 "))
  71         self.assertFalse(su.is_integer_number("fifty"))
  72
  73     def test_is_hexidecimal_integer_number(self):
  74         self.assertTrue(su.is_hexidecimal_integer_number("0x1234"))
  75         self.assertTrue(su.is_hexidecimal_integer_number("0X1234"))
  76         self.assertTrue(su.is_hexidecimal_integer_number("0x1234D"))
  77         self.assertTrue(su.is_hexidecimal_integer_number("0xF1234"))
  78         self.assertTrue(su.is_hexidecimal_integer_number("0xe1234"))
  79         self.assertTrue(su.is_hexidecimal_integer_number("0x1234a"))
  80         self.assertTrue(su.is_hexidecimal_integer_number("0xdeadbeef"))
  81         self.assertTrue(su.is_hexidecimal_integer_number("-0xdeadbeef"))
  82         self.assertTrue(su.is_hexidecimal_integer_number("+0xdeadbeef"))
  83         self.assertFalse(su.is_hexidecimal_integer_number("0xH1234"))
  84         self.assertFalse(su.is_hexidecimal_integer_number("0x1234H"))
  85         self.assertFalse(su.is_hexidecimal_integer_number("nine"))
  86
  87     def test_is_octal_integer_number(self):
  88         self.assertTrue(su.is_octal_integer_number("0o111"))
  89         self.assertTrue(su.is_octal_integer_number("0O111"))
  90         self.assertTrue(su.is_octal_integer_number("-0o111"))
  91         self.assertTrue(su.is_octal_integer_number("+0o777"))
  92         self.assertFalse(su.is_octal_integer_number("-+0o111"))
  93         self.assertFalse(su.is_octal_integer_number("0o181"))
  94         self.assertFalse(su.is_octal_integer_number("0o1a1"))
  95         self.assertFalse(su.is_octal_integer_number("one"))
  96
  97     def test_is_binary_integer_number(self):
  98         self.assertTrue(su.is_binary_integer_number("0b10100101110"))
  99         self.assertTrue(su.is_binary_integer_number("+0b10100101110"))
 100         self.assertTrue(su.is_binary_integer_number("-0b10100101110"))
 101         self.assertTrue(su.is_binary_integer_number("0B10100101110"))
 102         self.assertTrue(su.is_binary_integer_number("+0B10100101110"))
 103         self.assertTrue(su.is_binary_integer_number("-0B10100101110"))
 104         self.assertFalse(su.is_binary_integer_number("-0B10100101110  "))
 105         self.assertFalse(su.is_binary_integer_number("  -0B10100101110"))
 106         self.assertFalse(su.is_binary_integer_number("-0B10100 101110"))
 107         self.assertFalse(su.is_binary_integer_number("0b10100201110"))
 108         self.assertFalse(su.is_binary_integer_number("0b10100101e110"))
 109         self.assertFalse(su.is_binary_integer_number("fred"))
 110
 111     def test_to_int(self):
 112         self.assertEqual(su.to_int("1234"), 1234)
 113         self.assertEqual(su.to_int("0x1234"), 4660)
 114         self.assertEqual(su.to_int("0o777"), 511)
 115         self.assertEqual(su.to_int("0b111"), 7)
 116
 117     def test_is_decimal_number(self):
 118         self.assertTrue(su.is_decimal_number('4.3'))
 119         self.assertTrue(su.is_decimal_number('.3'))
 120         self.assertTrue(su.is_decimal_number('0.3'))
 121         self.assertFalse(su.is_decimal_number('3.'))
 122         self.assertTrue(su.is_decimal_number('3.0'))
 123         self.assertTrue(su.is_decimal_number('3.0492949249e20'))
 124         self.assertFalse(su.is_decimal_number('3'))
 125         self.assertFalse(su.is_decimal_number('0x11'))
 126
 127     def test_strip_escape_sequences(self):
 128         s = f' {fg("red")}  this is a test  {bg("white")}  this is a test  {reset()}  '
 129         self.assertEqual(
 130             su.strip_escape_sequences(s),
 131             '   this is a test    this is a test    ',
 132         )
 133         s = ' this is another test '
 134         self.assertEqual(su.strip_escape_sequences(s), s)
 135
 136     def test_is_url(self):
 137         self.assertTrue(su.is_url("http://host.domain/uri/uri#shard?param=value+s"))
 138         self.assertTrue(su.is_url("http://127.0.0.1/uri/uri#shard?param=value+s"))
 139         self.assertTrue(su.is_url("http://user:[email protected]:81/uri/uri#shard?param=value+s"))
 140         self.assertTrue(su.is_url("ftp://127.0.0.1/uri/uri"))
 141
 142     def test_is_email(self):
 143         self.assertTrue(su.is_email('[email protected]'))
 144         self.assertTrue(su.is_email('[email protected]'))
 145         self.assertFalse(su.is_email('@yahoo.com'))
 146         self.assertFalse(su.is_email('indubidibly'))
 147         self.assertFalse(su.is_email('[email protected]'))
 148
 149     def test_suffix_string_to_number(self):
 150         self.assertEqual(1024, su.suffix_string_to_number('1Kb'))
 151         self.assertEqual(1024 * 1024, su.suffix_string_to_number('1Mb'))
 152         self.assertEqual(1024, su.suffix_string_to_number('1k'))
 153         self.assertEqual(1024, su.suffix_string_to_number('1kb'))
 154         self.assertEqual(None, su.suffix_string_to_number('1Jl'))
 155         self.assertEqual(None, su.suffix_string_to_number('undeniable'))
 156
 157     def test_number_to_suffix_string(self):
 158         self.assertEqual('1.0Kb', su.number_to_suffix_string(1024))
 159         self.assertEqual('1.0Mb', su.number_to_suffix_string(1024 * 1024))
 160         self.assertEqual('123', su.number_to_suffix_string(123))
 161
 162     def test_is_credit_card(self):
 163         self.assertTrue(su.is_credit_card('4242424242424242'))
 164         self.assertTrue(su.is_credit_card('5555555555554444'))
 165         self.assertTrue(su.is_credit_card('378282246310005'))
 166         self.assertTrue(su.is_credit_card('6011111111111117'))
 167         self.assertTrue(su.is_credit_card('4000000360000006'))
 168         self.assertFalse(su.is_credit_card('8000000360110099'))
 169         self.assertFalse(su.is_credit_card(''))
 170
 171     def test_is_camel_case(self):
 172         self.assertFalse(su.is_camel_case('thisisatest'))
 173         self.assertTrue(su.is_camel_case('thisIsATest'))
 174         self.assertFalse(su.is_camel_case('this_is_a_test'))
 175
 176     def test_is_snake_case(self):
 177         self.assertFalse(su.is_snake_case('thisisatest'))
 178         self.assertFalse(su.is_snake_case('thisIsATest'))
 179         self.assertTrue(su.is_snake_case('this_is_a_test'))
 180
 181     def test_sprintf_context(self):
 182         with su.SprintfStdout() as buf:
 183             print("This is a test.")
 184             print("This is another one.")
 185         self.assertEqual('This is a test.\nThis is another one.\n', buf())
 186
 187
 188 if __name__ == '__main__':
 189     bootstrap.initialize(unittest.main)()