angrybeanie_wagtail/env/lib/python3.12/site-packages/wagtail/tests/test_jinja2.py
2025-07-25 21:32:16 +10:00

312 lines
10 KiB
Python

from django.template import engines
from django.template.loader import render_to_string
from django.test import TestCase
from django.utils.safestring import mark_safe
from wagtail import __version__, blocks
from wagtail.coreutils import get_dummy_request
from wagtail.models import Page, Site
from wagtail.test.testapp.blocks import SectionBlock
class TestCoreGlobalsAndFilters(TestCase):
def setUp(self):
self.engine = engines["jinja2"]
def render(self, string, context=None, request_context=True):
if context is None:
context = {}
# Add a request to the template, to simulate a RequestContext
if request_context:
site = Site.objects.get(is_default_site=True)
context["request"] = get_dummy_request(site=site)
template = self.engine.from_string(string)
return template.render(context)
def test_richtext(self):
richtext = '<p>Merry <a linktype="page" id="2">Christmas</a>!</p>'
self.assertEqual(
self.render("{{ text|richtext }}", {"text": richtext}),
'<p>Merry <a href="/">Christmas</a>!</p>',
)
def test_pageurl(self):
page = Page.objects.get(pk=2)
self.assertEqual(self.render("{{ pageurl(page) }}", {"page": page}), page.url)
def test_fullpageurl(self):
page = Page.objects.get(pk=2)
self.assertEqual(
self.render("{{ fullpageurl(page) }}", {"page": page}), page.full_url
)
def test_slugurl(self):
page = Page.objects.get(pk=2)
self.assertEqual(
self.render("{{ slugurl(page.slug) }}", {"page": page}), page.url
)
def test_bad_slugurl(self):
self.assertEqual(
self.render('{{ slugurl("bad-slug-doesnt-exist") }}', {}), "None"
)
def test_wagtail_site(self):
self.assertEqual(self.render("{{ wagtail_site().hostname }}"), "localhost")
def test_wagtail_version(self):
self.assertEqual(self.render("{{ wagtail_version() }}"), __version__)
class TestJinjaEscaping(TestCase):
fixtures = ["test.json"]
def test_block_render_result_is_safe(self):
"""
Ensure that any results of template rendering in block.render are marked safe
so that they don't get double-escaped when inserted into a parent template (#2541)
"""
stream_block = blocks.StreamBlock(
[("paragraph", blocks.CharBlock(template="tests/jinja2/paragraph.html"))]
)
stream_value = stream_block.to_python(
[
{"type": "paragraph", "value": "hello world"},
]
)
result = render_to_string(
"tests/jinja2/stream.html",
{
"value": stream_value,
},
)
self.assertIn("<p>hello world</p>", result)
def test_rich_text_is_safe(self):
"""
Ensure that RichText values are marked safe
so that they don't get double-escaped when inserted into a parent template (#2542)
"""
stream_block = blocks.StreamBlock(
[
(
"paragraph",
blocks.RichTextBlock(template="tests/jinja2/rich_text.html"),
)
]
)
stream_value = stream_block.to_python(
[
{
"type": "paragraph",
"value": '<p>Merry <a linktype="page" id="4">Christmas</a>!</p>',
},
]
)
result = render_to_string(
"tests/jinja2/stream.html",
{
"value": stream_value,
},
)
self.assertIn(
'<p>Merry <a href="/events/christmas/">Christmas</a>!</p>', result
)
class TestIncludeBlockTag(TestCase):
def test_include_block_tag_with_boundblock(self):
"""
The include_block tag should be able to render a BoundBlock's template
while keeping the parent template's context
"""
block = blocks.CharBlock(template="tests/jinja2/heading_block.html")
bound_block = block.bind("bonjour")
result = render_to_string(
"tests/jinja2/include_block_test.html",
{
"test_block": bound_block,
"language": "fr",
},
)
self.assertIn('<body><h1 lang="fr">bonjour</h1></body>', result)
def test_include_block_tag_with_structvalue(self):
"""
The include_block tag should be able to render a StructValue's template
while keeping the parent template's context
"""
block = SectionBlock()
struct_value = block.to_python(
{"title": "Bonjour", "body": "monde <i>italique</i>"}
)
result = render_to_string(
"tests/jinja2/include_block_test.html",
{
"test_block": struct_value,
"language": "fr",
},
)
self.assertIn(
"""<body><h1 lang="fr">Bonjour</h1>monde <i>italique</i></body>""", result
)
def test_include_block_tag_with_streamvalue(self):
"""
The include_block tag should be able to render a StreamValue's template
while keeping the parent template's context
"""
block = blocks.StreamBlock(
[
(
"heading",
blocks.CharBlock(template="tests/jinja2/heading_block.html"),
),
("paragraph", blocks.CharBlock()),
],
template="tests/jinja2/stream_with_language.html",
)
stream_value = block.to_python([{"type": "heading", "value": "Bonjour"}])
result = render_to_string(
"tests/jinja2/include_block_test.html",
{
"test_block": stream_value,
"language": "fr",
},
)
self.assertIn(
'<div class="heading" lang="fr"><h1 lang="fr">Bonjour</h1></div>', result
)
def test_include_block_tag_with_plain_value(self):
"""
The include_block tag should be able to render a value without a render_as_block method
by just rendering it as a string
"""
result = render_to_string(
"tests/jinja2/include_block_test.html",
{
"test_block": 42,
},
)
self.assertIn("<body>42</body>", result)
def test_include_block_tag_with_filtered_value(self):
"""
The block parameter on include_block tag should support complex values including filters,
e.g. {% include_block foo|default:123 %}
"""
block = blocks.CharBlock(template="tests/jinja2/heading_block.html")
bound_block = block.bind("bonjour")
result = render_to_string(
"tests/jinja2/include_block_test_with_filter.html",
{
"test_block": bound_block,
"language": "fr",
},
)
self.assertIn('<body><h1 lang="fr">bonjour</h1></body>', result)
result = render_to_string(
"tests/jinja2/include_block_test_with_filter.html",
{
"test_block": None,
"language": "fr",
},
)
self.assertIn("<body>999</body>", result)
def test_include_block_tag_with_additional_variable(self):
"""
The include_block tag should be able to pass local variables from parent context to the
child context
"""
block = blocks.CharBlock(template="tests/blocks/heading_block.html")
bound_block = block.bind("bonjour")
result = render_to_string(
"tests/jinja2/include_block_tag_with_additional_variable.html",
{"test_block": bound_block},
)
self.assertIn('<body><h1 class="important">bonjour</h1></body>', result)
def test_include_block_html_escaping(self):
"""
Output of include_block should be escaped as per Django autoescaping rules
"""
block = blocks.CharBlock()
bound_block = block.bind(block.to_python("some <em>evil</em> HTML"))
result = render_to_string(
"tests/jinja2/include_block_test.html",
{
"test_block": bound_block,
},
)
self.assertIn("<body>some &lt;em&gt;evil&lt;/em&gt; HTML</body>", result)
# {% autoescape off %} should be respected
result = render_to_string(
"tests/blocks/include_block_autoescape_off_test.html",
{
"test_block": bound_block,
},
)
self.assertIn("<body>some <em>evil</em> HTML</body>", result)
# The same escaping should be applied when passed a plain value rather than a BoundBlock -
# a typical situation where this would occur would be rendering an item of a StructBlock,
# e.g. {% include_block person_block.first_name %} as opposed to
# {% include_block person_block.bound_blocks.first_name %}
result = render_to_string(
"tests/jinja2/include_block_test.html",
{
"test_block": "some <em>evil</em> HTML",
},
)
self.assertIn("<body>some &lt;em&gt;evil&lt;/em&gt; HTML</body>", result)
result = render_to_string(
"tests/jinja2/include_block_autoescape_off_test.html",
{
"test_block": "some <em>evil</em> HTML",
},
)
self.assertIn("<body>some <em>evil</em> HTML</body>", result)
# Blocks that explicitly return 'safe HTML'-marked values (such as RawHTMLBlock) should
# continue to produce unescaped output
block = blocks.RawHTMLBlock()
bound_block = block.bind(block.to_python("some <em>evil</em> HTML"))
result = render_to_string(
"tests/jinja2/include_block_test.html",
{
"test_block": bound_block,
},
)
self.assertIn("<body>some <em>evil</em> HTML</body>", result)
# likewise when applied to a plain 'safe HTML' value rather than a BoundBlock
result = render_to_string(
"tests/jinja2/include_block_test.html",
{
"test_block": mark_safe("some <em>evil</em> HTML"),
},
)
self.assertIn("<body>some <em>evil</em> HTML</body>", result)