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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
# -*- coding: utf-8 -*-
"""
jinja2.testsuite.utils
~~~~~~~~~~~~~~~~~~~~~~
Tests utilities jinja uses.
:copyright: (c) 2017 by the Jinja Team.
:license: BSD, see LICENSE for more details.
"""
import pickle
import random
from collections import deque
from copy import copy as shallow_copy
import pytest
from markupsafe import Markup
from jinja2._compat import range_type
from jinja2._compat import string_types
from jinja2.utils import consume
from jinja2.utils import generate_lorem_ipsum
from jinja2.utils import LRUCache
from jinja2.utils import missing
from jinja2.utils import object_type_repr
from jinja2.utils import select_autoescape
from jinja2.utils import urlize
@pytest.mark.utils
@pytest.mark.lrucache
class TestLRUCache(object):
def test_simple(self):
d = LRUCache(3)
d["a"] = 1
d["b"] = 2
d["c"] = 3
d["a"]
d["d"] = 4
assert len(d) == 3
assert "a" in d and "c" in d and "d" in d and "b" not in d
def test_itervalue_deprecated(self):
cache = LRUCache(3)
cache["a"] = 1
cache["b"] = 2
with pytest.deprecated_call():
cache.itervalue()
def test_itervalues(self):
cache = LRUCache(3)
cache["b"] = 1
cache["a"] = 2
values = [v for v in cache.values()]
assert len(values) == 2
assert 1 in values
assert 2 in values
def test_itervalues_empty(self):
cache = LRUCache(2)
values = [v for v in cache.values()]
assert len(values) == 0
def test_pickleable(self):
cache = LRUCache(2)
cache["foo"] = 42
cache["bar"] = 23
cache["foo"]
for protocol in range(3):
copy = pickle.loads(pickle.dumps(cache, protocol))
assert copy.capacity == cache.capacity
assert copy._mapping == cache._mapping
assert copy._queue == cache._queue
@pytest.mark.parametrize("copy_func", [LRUCache.copy, shallow_copy])
def test_copy(self, copy_func):
cache = LRUCache(2)
cache["a"] = 1
cache["b"] = 2
copy = copy_func(cache)
assert copy._queue == cache._queue
copy["c"] = 3
assert copy._queue != cache._queue
assert "a" not in copy and "b" in copy and "c" in copy
def test_clear(self):
d = LRUCache(3)
d["a"] = 1
d["b"] = 2
d["c"] = 3
d.clear()
assert d.__getstate__() == {"capacity": 3, "_mapping": {}, "_queue": deque([])}
def test_repr(self):
d = LRUCache(3)
d["a"] = 1
d["b"] = 2
d["c"] = 3
# Sort the strings - mapping is unordered
assert sorted(repr(d)) == sorted(u"<LRUCache {'a': 1, 'b': 2, 'c': 3}>")
def test_items(self):
"""Test various items, keys, values and iterators of LRUCache."""
d = LRUCache(3)
d["a"] = 1
d["b"] = 2
d["c"] = 3
assert d.items() == [("c", 3), ("b", 2), ("a", 1)]
assert d.keys() == ["c", "b", "a"]
assert d.values() == [3, 2, 1]
assert list(reversed(d)) == ["a", "b", "c"]
# Change the cache a little
d["b"]
d["a"] = 4
assert d.items() == [("a", 4), ("b", 2), ("c", 3)]
assert d.keys() == ["a", "b", "c"]
assert d.values() == [4, 2, 3]
assert list(reversed(d)) == ["c", "b", "a"]
def test_setdefault(self):
d = LRUCache(3)
assert len(d) == 0
assert d.setdefault("a") is None
assert d.setdefault("a", 1) is None
assert len(d) == 1
assert d.setdefault("b", 2) == 2
assert len(d) == 2
@pytest.mark.utils
@pytest.mark.helpers
class TestHelpers(object):
def test_object_type_repr(self):
class X(object):
pass
assert object_type_repr(42) == "int object"
assert object_type_repr([]) == "list object"
assert object_type_repr(X()) == "test_utils.X object"
assert object_type_repr(None) == "None"
assert object_type_repr(Ellipsis) == "Ellipsis"
def test_autoescape_select(self):
func = select_autoescape(
enabled_extensions=("html", ".htm"),
disabled_extensions=("txt",),
default_for_string="STRING",
default="NONE",
)
assert func(None) == "STRING"
assert func("unknown.foo") == "NONE"
assert func("foo.html")
assert func("foo.htm")
assert not func("foo.txt")
assert func("FOO.HTML")
assert not func("FOO.TXT")
@pytest.mark.utils
@pytest.mark.escapeUrlizeTarget
class TestEscapeUrlizeTarget(object):
def test_escape_urlize_target(self):
url = "http://example.org"
target = "<script>"
assert urlize(url, target=target) == (
'<a href="http://example.org"'
' target="<script>">'
"http://example.org</a>"
)
@pytest.mark.utils
@pytest.mark.loremIpsum
class TestLoremIpsum(object):
def test_lorem_ipsum_markup(self):
"""Test that output of lorem_ipsum is Markup by default."""
assert isinstance(generate_lorem_ipsum(), Markup)
def test_lorem_ipsum_html(self):
"""Test that output of lorem_ipsum is a string_type when not html."""
assert isinstance(generate_lorem_ipsum(html=False), string_types)
def test_lorem_ipsum_n(self):
"""Test that the n (number of lines) works as expected."""
assert generate_lorem_ipsum(n=0, html=False) == u""
for n in range_type(1, 50):
assert generate_lorem_ipsum(n=n, html=False).count("\n") == (n - 1) * 2
def test_lorem_ipsum_min(self):
"""Test that at least min words are in the output of each line"""
for _ in range_type(5):
m = random.randrange(20, 99)
for _ in range_type(10):
assert generate_lorem_ipsum(n=1, min=m, html=False).count(" ") >= m - 1
def test_lorem_ipsum_max(self):
"""Test that at least max words are in the output of each line"""
for _ in range_type(5):
m = random.randrange(21, 100)
for _ in range_type(10):
assert generate_lorem_ipsum(n=1, max=m, html=False).count(" ") < m - 1
def test_missing():
"""Test the repr of missing."""
assert repr(missing) == u"missing"
def test_consume():
"""Test that consume consumes an iterator."""
x = iter([1, 2, 3, 4, 5])
consume(x)
with pytest.raises(StopIteration):
next(x)
|
