mirror of https://github.com/django/django.git
90 lines
3.0 KiB
Python
90 lines
3.0 KiB
Python
from django.template import Context, Engine
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from django.template.base import TextNode, VariableNode
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from django.test import SimpleTestCase
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class NodelistTest(SimpleTestCase):
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@classmethod
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def setUpClass(cls):
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cls.engine = Engine()
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super().setUpClass()
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def test_for(self):
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template = self.engine.from_string("{% for i in 1 %}{{ a }}{% endfor %}")
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vars = template.nodelist.get_nodes_by_type(VariableNode)
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self.assertEqual(len(vars), 1)
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def test_if(self):
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template = self.engine.from_string("{% if x %}{{ a }}{% endif %}")
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vars = template.nodelist.get_nodes_by_type(VariableNode)
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self.assertEqual(len(vars), 1)
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def test_ifchanged(self):
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template = self.engine.from_string("{% ifchanged x %}{{ a }}{% endifchanged %}")
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vars = template.nodelist.get_nodes_by_type(VariableNode)
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self.assertEqual(len(vars), 1)
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class TextNodeTest(SimpleTestCase):
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def test_textnode_repr(self):
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engine = Engine()
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for temptext, reprtext in [
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("Hello, world!", "<TextNode: 'Hello, world!'>"),
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("One\ntwo.", "<TextNode: 'One\\ntwo.'>"),
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]:
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template = engine.from_string(temptext)
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texts = template.nodelist.get_nodes_by_type(TextNode)
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self.assertEqual(repr(texts[0]), reprtext)
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class ErrorIndexTest(SimpleTestCase):
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"""
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Checks whether index of error is calculated correctly in
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template debugger in for loops. Refs ticket #5831
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"""
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def test_correct_exception_index(self):
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tests = [
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(
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"{% load bad_tag %}{% for i in range %}{% badsimpletag %}{% endfor %}",
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(38, 56),
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),
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(
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"{% load bad_tag %}{% for i in range %}{% for j in range %}"
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"{% badsimpletag %}{% endfor %}{% endfor %}",
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(58, 76),
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),
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(
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"{% load bad_tag %}{% for i in range %}{% badsimpletag %}"
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"{% for j in range %}Hello{% endfor %}{% endfor %}",
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(38, 56),
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),
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(
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"{% load bad_tag %}{% for i in range %}{% for j in five %}"
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"{% badsimpletag %}{% endfor %}{% endfor %}",
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(38, 57),
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),
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(
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"{% load bad_tag %}{% for j in five %}{% badsimpletag %}{% endfor %}",
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(18, 37),
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),
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]
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context = Context(
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{
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"range": range(5),
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"five": 5,
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}
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)
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engine = Engine(
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debug=True, libraries={"bad_tag": "template_tests.templatetags.bad_tag"}
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)
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for source, expected_error_source_index in tests:
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template = engine.from_string(source)
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try:
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template.render(context)
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except (RuntimeError, TypeError) as e:
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debug = e.template_debug
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self.assertEqual(
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(debug["start"], debug["end"]), expected_error_source_index
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)
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