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# -*- coding: utf-8 -*-
import unittest
from parsel import Selector
from parsel.selector import _NOT_SET
class JMESPathTestCase(unittest.TestCase):
def test_json_has_html(self) -> None:
"""Sometimes the information is returned in a json wrapper"""
data = """
{
"content": [
{
"name": "A",
"value": "a"
},
{
"name": {
"age": 18
},
"value": "b"
},
{
"name": "C",
"value": "c"
},
{
"name": "<a>D</a>",
"value": "<div>d</div>"
}
],
"html": "<div><a>a<br>b</a>c</div><div><a>d</a>e<b>f</b></div>"
}
"""
sel = Selector(text=data)
self.assertEqual(
sel.jmespath("html").get(),
"<div><a>a<br>b</a>c</div><div><a>d</a>e<b>f</b></div>",
)
self.assertEqual(
sel.jmespath("html").xpath("//div/a/text()").getall(),
["a", "b", "d"],
)
self.assertEqual(sel.jmespath("html").css("div > b").getall(), ["<b>f</b>"])
self.assertEqual(sel.jmespath("content").jmespath("name.age").get(), 18)
def test_html_has_json(self) -> None:
html_text = """
<div>
<h1>Information</h1>
<content>
{
"user": [
{
"name": "A",
"age": 18
},
{
"name": "B",
"age": 32
},
{
"name": "C",
"age": 22
},
{
"name": "D",
"age": 25
}
],
"total": 4,
"status": "ok"
}
</content>
</div>
"""
sel = Selector(text=html_text)
self.assertEqual(
sel.xpath("//div/content/text()").jmespath("user[*].name").getall(),
["A", "B", "C", "D"],
)
self.assertEqual(
sel.xpath("//div/content").jmespath("user[*].name").getall(),
["A", "B", "C", "D"],
)
self.assertEqual(sel.xpath("//div/content").jmespath("total").get(), 4)
def test_jmestpath_with_re(self) -> None:
html_text = """
<div>
<h1>Information</h1>
<content>
{
"user": [
{
"name": "A",
"age": 18
},
{
"name": "B",
"age": 32
},
{
"name": "C",
"age": 22
},
{
"name": "D",
"age": 25
}
],
"total": 4,
"status": "ok"
}
</content>
</div>
"""
sel = Selector(text=html_text)
self.assertEqual(
sel.xpath("//div/content/text()").jmespath("user[*].name").re(r"(\w+)"),
["A", "B", "C", "D"],
)
self.assertEqual(
sel.xpath("//div/content").jmespath("user[*].name").re(r"(\w+)"),
["A", "B", "C", "D"],
)
with self.assertRaises(TypeError):
sel.xpath("//div/content").jmespath("user[*].age").re(r"(\d+)")
self.assertEqual(
sel.xpath("//div/content").jmespath("unavailable").re(r"(\d+)"), []
)
self.assertEqual(
sel.xpath("//div/content").jmespath("unavailable").re_first(r"(\d+)"),
None,
)
self.assertEqual(
sel.xpath("//div/content")
.jmespath("user[*].age.to_string(@)")
.re(r"(\d+)"),
["18", "32", "22", "25"],
)
def test_json_types(self) -> None:
for text, root in (
("{}", {}),
('{"a": "b"}', {"a": "b"}),
("[]", []),
('["a"]', ["a"]),
('""', ""),
("0", 0),
("1", 1),
("true", True),
("false", False),
("null", None),
):
selector = Selector(text=text, root=_NOT_SET)
self.assertEqual(selector.type, "json")
self.assertEqual(selector._text, text) # pylint: disable=protected-access
self.assertEqual(selector.root, root)
selector = Selector(text=None, root=root)
self.assertEqual(selector.type, "json")
self.assertEqual(selector._text, None) # pylint: disable=protected-access
self.assertEqual(selector.root, root)
|
