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
|
from __future__ import annotations
from typing import Any
import pytest
from parsel import Selector
from parsel.xpathfuncs import set_xpathfunc
def test_has_class_simple() -> None:
body = """
<p class="foo bar-baz">First</p>
<p class="foo">Second</p>
<p class="bar">Third</p>
<p>Fourth</p>
"""
sel = Selector(text=body)
assert [x.extract() for x in sel.xpath('//p[has-class("foo")]/text()')] == [
"First",
"Second",
]
assert [x.extract() for x in sel.xpath('//p[has-class("bar")]/text()')] == ["Third"]
assert [x.extract() for x in sel.xpath('//p[has-class("foo","bar")]/text()')] == []
assert [
x.extract() for x in sel.xpath('//p[has-class("foo","bar-baz")]/text()')
] == ["First"]
def test_has_class_error_no_args() -> None:
body = """
<p CLASS="foo">First</p>
"""
sel = Selector(text=body)
with pytest.raises(ValueError, match="has-class must have at least 1 argument"):
sel.xpath("has-class()")
def test_has_class_error_invalid_arg_type() -> None:
body = """
<p CLASS="foo">First</p>
"""
sel = Selector(text=body)
with pytest.raises(ValueError, match="has-class arguments must be strings"):
sel.xpath("has-class(.)")
def test_has_class_error_invalid_unicode() -> None:
body = """
<p CLASS="foo">First</p>
"""
sel = Selector(text=body)
with pytest.raises(ValueError, match="All strings must be XML compatible"):
sel.xpath('has-class("héllö")'.encode()) # type: ignore[arg-type]
def test_has_class_unicode() -> None:
body = """
<p CLASS="fóó">First</p>
"""
sel = Selector(text=body)
assert [x.extract() for x in sel.xpath('//p[has-class("fóó")]/text()')] == ["First"]
def test_has_class_uppercase() -> None:
body = """
<p CLASS="foo">First</p>
"""
sel = Selector(text=body)
assert [x.extract() for x in sel.xpath('//p[has-class("foo")]/text()')] == ["First"]
def test_has_class_newline() -> None:
body = """
<p CLASS="foo
bar">First</p>
"""
sel = Selector(text=body)
assert [x.extract() for x in sel.xpath('//p[has-class("foo")]/text()')] == ["First"]
def test_has_class_tab() -> None:
body = """
<p CLASS="foo\tbar">First</p>
"""
sel = Selector(text=body)
assert [x.extract() for x in sel.xpath('//p[has-class("foo")]/text()')] == ["First"]
def test_set_xpathfunc() -> None:
def myfunc(ctx: Any) -> None:
myfunc.call_count += 1 # type: ignore[attr-defined]
myfunc.call_count = 0 # type: ignore[attr-defined]
body = """
<p CLASS="foo">First</p>
"""
sel = Selector(text=body)
with pytest.raises(ValueError, match=r"Unregistered function(: myfunc)? in myfunc"):
sel.xpath("myfunc()")
set_xpathfunc("myfunc", myfunc)
sel.xpath("myfunc()")
assert myfunc.call_count == 1 # type: ignore[attr-defined]
set_xpathfunc("myfunc", None)
with pytest.raises(ValueError, match=r"Unregistered function(: myfunc)? in myfunc"):
sel.xpath("myfunc()")
|
