1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
import pickle
import unittest
from string.templatelib import Template, Interpolation
from test.test_string._support import TStringBaseCase, fstring
class TestTemplate(unittest.TestCase, TStringBaseCase):
def test_common(self):
self.assertEqual(type(t'').__name__, 'Template')
self.assertEqual(type(t'').__qualname__, 'Template')
self.assertEqual(type(t'').__module__, 'string.templatelib')
a = 'a'
i = t'{a}'.interpolations[0]
self.assertEqual(type(i).__name__, 'Interpolation')
self.assertEqual(type(i).__qualname__, 'Interpolation')
self.assertEqual(type(i).__module__, 'string.templatelib')
def test_final_types(self):
with self.assertRaisesRegex(TypeError, 'is not an acceptable base type'):
class Sub(Template): ...
with self.assertRaisesRegex(TypeError, 'is not an acceptable base type'):
class Sub(Interpolation): ...
def test_basic_creation(self):
# Simple t-string creation
t = t'Hello, world'
self.assertIsInstance(t, Template)
self.assertTStringEqual(t, ('Hello, world',), ())
self.assertEqual(fstring(t), 'Hello, world')
# Empty t-string
t = t''
self.assertTStringEqual(t, ('',), ())
self.assertEqual(fstring(t), '')
# Multi-line t-string
t = t"""Hello,
world"""
self.assertEqual(t.strings, ('Hello,\nworld',))
self.assertEqual(len(t.interpolations), 0)
self.assertEqual(fstring(t), 'Hello,\nworld')
def test_creation_interleaving(self):
# Should add strings on either side
t = Template(Interpolation('Maria', 'name', None, ''))
self.assertTStringEqual(t, ('', ''), [('Maria', 'name')])
self.assertEqual(fstring(t), 'Maria')
# Should prepend empty string
t = Template(Interpolation('Maria', 'name', None, ''), ' is my name')
self.assertTStringEqual(t, ('', ' is my name'), [('Maria', 'name')])
self.assertEqual(fstring(t), 'Maria is my name')
# Should append empty string
t = Template('Hello, ', Interpolation('Maria', 'name', None, ''))
self.assertTStringEqual(t, ('Hello, ', ''), [('Maria', 'name')])
self.assertEqual(fstring(t), 'Hello, Maria')
# Should concatenate strings
t = Template('Hello', ', ', Interpolation('Maria', 'name', None, ''),
'!')
self.assertTStringEqual(t, ('Hello, ', '!'), [('Maria', 'name')])
self.assertEqual(fstring(t), 'Hello, Maria!')
# Should add strings on either side and in between
t = Template(Interpolation('Maria', 'name', None, ''),
Interpolation('Python', 'language', None, ''))
self.assertTStringEqual(
t, ('', '', ''), [('Maria', 'name'), ('Python', 'language')]
)
self.assertEqual(fstring(t), 'MariaPython')
def test_template_values(self):
t = t'Hello, world'
self.assertEqual(t.values, ())
name = "Lys"
t = t'Hello, {name}'
self.assertEqual(t.values, ("Lys",))
country = "GR"
age = 0
t = t'Hello, {name}, {age} from {country}'
self.assertEqual(t.values, ("Lys", 0, "GR"))
def test_pickle_template(self):
user = 'test'
for template in (
t'',
t"No values",
t'With inter {user}',
t'With ! {user!r}',
t'With format {1 / 0.3:.2f}',
Template(),
Template('a'),
Template(Interpolation('Nikita', 'name', None, '')),
Template('a', Interpolation('Nikita', 'name', 'r', '')),
):
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
with self.subTest(proto=proto, template=template):
pickled = pickle.dumps(template, protocol=proto)
unpickled = pickle.loads(pickled)
self.assertEqual(unpickled.values, template.values)
self.assertEqual(fstring(unpickled), fstring(template))
def test_pickle_interpolation(self):
for interpolation in (
Interpolation('Nikita', 'name', None, ''),
Interpolation('Nikita', 'name', 'r', ''),
Interpolation(1/3, 'x', None, '.2f'),
):
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
with self.subTest(proto=proto, interpolation=interpolation):
pickled = pickle.dumps(interpolation, protocol=proto)
unpickled = pickle.loads(pickled)
self.assertEqual(unpickled.value, interpolation.value)
self.assertEqual(unpickled.expression, interpolation.expression)
self.assertEqual(unpickled.conversion, interpolation.conversion)
self.assertEqual(unpickled.format_spec, interpolation.format_spec)
if __name__ == '__main__':
unittest.main()
|
