mirror of
https://github.com/django/django.git
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317 lines
13 KiB
Python
317 lines
13 KiB
Python
from django.template import (
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Context, Engine, TemplateDoesNotExist, TemplateSyntaxError, loader,
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)
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from django.test import SimpleTestCase
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from ..utils import setup
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from .test_basic import basic_templates
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include_fail_templates = {
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'include-fail1': '{% load bad_tag %}{% badtag %}',
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'include-fail2': '{% load broken_tag %}',
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}
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class IncludeTagTests(SimpleTestCase):
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libraries = {'bad_tag': 'template_tests.templatetags.bad_tag'}
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@setup({'include01': '{% include "basic-syntax01" %}'}, basic_templates)
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def test_include01(self):
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output = self.engine.render_to_string('include01')
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self.assertEqual(output, 'something cool')
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@setup({'include02': '{% include "basic-syntax02" %}'}, basic_templates)
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def test_include02(self):
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output = self.engine.render_to_string('include02', {'headline': 'Included'})
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self.assertEqual(output, 'Included')
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@setup({'include03': '{% include template_name %}'}, basic_templates)
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def test_include03(self):
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output = self.engine.render_to_string(
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'include03',
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{'template_name': 'basic-syntax02', 'headline': 'Included'},
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)
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self.assertEqual(output, 'Included')
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@setup({'include04': 'a{% include "nonexistent" %}b'})
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def test_include04(self):
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template = self.engine.get_template('include04')
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with self.assertRaises(TemplateDoesNotExist):
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template.render(Context({}))
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@setup({
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'include 05': 'template with a space',
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'include06': '{% include "include 05"%}',
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})
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def test_include06(self):
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output = self.engine.render_to_string('include06')
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self.assertEqual(output, "template with a space")
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@setup({'include07': '{% include "basic-syntax02" with headline="Inline" %}'}, basic_templates)
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def test_include07(self):
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output = self.engine.render_to_string('include07', {'headline': 'Included'})
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self.assertEqual(output, 'Inline')
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@setup({'include08': '{% include headline with headline="Dynamic" %}'}, basic_templates)
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def test_include08(self):
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output = self.engine.render_to_string('include08', {'headline': 'basic-syntax02'})
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self.assertEqual(output, 'Dynamic')
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@setup(
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{'include09': '{{ first }}--'
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'{% include "basic-syntax03" with first=second|lower|upper second=first|upper %}'
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'--{{ second }}'},
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basic_templates,
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)
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def test_include09(self):
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output = self.engine.render_to_string('include09', {'first': 'Ul', 'second': 'lU'})
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self.assertEqual(output, 'Ul--LU --- UL--lU')
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@setup({'include10': '{% include "basic-syntax03" only %}'}, basic_templates)
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def test_include10(self):
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output = self.engine.render_to_string('include10', {'first': '1'})
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if self.engine.string_if_invalid:
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self.assertEqual(output, 'INVALID --- INVALID')
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else:
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self.assertEqual(output, ' --- ')
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@setup({'include11': '{% include "basic-syntax03" only with second=2 %}'}, basic_templates)
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def test_include11(self):
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output = self.engine.render_to_string('include11', {'first': '1'})
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if self.engine.string_if_invalid:
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self.assertEqual(output, 'INVALID --- 2')
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else:
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self.assertEqual(output, ' --- 2')
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@setup({'include12': '{% include "basic-syntax03" with first=1 only %}'}, basic_templates)
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def test_include12(self):
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output = self.engine.render_to_string('include12', {'second': '2'})
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if self.engine.string_if_invalid:
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self.assertEqual(output, '1 --- INVALID')
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else:
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self.assertEqual(output, '1 --- ')
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@setup(
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{'include13': '{% autoescape off %}{% include "basic-syntax03" %}{% endautoescape %}'},
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basic_templates,
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)
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def test_include13(self):
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output = self.engine.render_to_string('include13', {'first': '&'})
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if self.engine.string_if_invalid:
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self.assertEqual(output, '& --- INVALID')
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else:
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self.assertEqual(output, '& --- ')
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@setup(
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{'include14': '{% autoescape off %}'
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'{% include "basic-syntax03" with first=var1 only %}'
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'{% endautoescape %}'},
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basic_templates,
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)
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def test_include14(self):
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output = self.engine.render_to_string('include14', {'var1': '&'})
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if self.engine.string_if_invalid:
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self.assertEqual(output, '& --- INVALID')
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else:
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self.assertEqual(output, '& --- ')
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# Include syntax errors
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@setup({'include-error01': '{% include "basic-syntax01" with %}'})
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def test_include_error01(self):
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with self.assertRaises(TemplateSyntaxError):
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self.engine.get_template('include-error01')
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@setup({'include-error02': '{% include "basic-syntax01" with "no key" %}'})
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def test_include_error02(self):
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with self.assertRaises(TemplateSyntaxError):
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self.engine.get_template('include-error02')
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@setup({'include-error03': '{% include "basic-syntax01" with dotted.arg="error" %}'})
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def test_include_error03(self):
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with self.assertRaises(TemplateSyntaxError):
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self.engine.get_template('include-error03')
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@setup({'include-error04': '{% include "basic-syntax01" something_random %}'})
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def test_include_error04(self):
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with self.assertRaises(TemplateSyntaxError):
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self.engine.get_template('include-error04')
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@setup({'include-error05': '{% include "basic-syntax01" foo="duplicate" foo="key" %}'})
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def test_include_error05(self):
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with self.assertRaises(TemplateSyntaxError):
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self.engine.get_template('include-error05')
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@setup({'include-error06': '{% include "basic-syntax01" only only %}'})
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def test_include_error06(self):
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with self.assertRaises(TemplateSyntaxError):
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self.engine.get_template('include-error06')
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@setup(include_fail_templates)
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def test_include_fail1(self):
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with self.assertRaises(RuntimeError):
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self.engine.get_template('include-fail1')
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@setup(include_fail_templates)
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def test_include_fail2(self):
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with self.assertRaises(TemplateSyntaxError):
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self.engine.get_template('include-fail2')
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@setup({'include-error07': '{% include "include-fail1" %}'}, include_fail_templates)
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def test_include_error07(self):
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template = self.engine.get_template('include-error07')
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with self.assertRaises(RuntimeError):
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template.render(Context())
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@setup({'include-error08': '{% include "include-fail2" %}'}, include_fail_templates)
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def test_include_error08(self):
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template = self.engine.get_template('include-error08')
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with self.assertRaises(TemplateSyntaxError):
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template.render(Context())
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@setup({'include-error09': '{% include failed_include %}'}, include_fail_templates)
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def test_include_error09(self):
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context = Context({'failed_include': 'include-fail1'})
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template = self.engine.get_template('include-error09')
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with self.assertRaises(RuntimeError):
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template.render(context)
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@setup({'include-error10': '{% include failed_include %}'}, include_fail_templates)
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def test_include_error10(self):
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context = Context({'failed_include': 'include-fail2'})
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template = self.engine.get_template('include-error10')
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with self.assertRaises(TemplateSyntaxError):
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template.render(context)
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@setup({'include_empty': '{% include %}'})
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def test_include_empty(self):
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msg = (
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"'include' tag takes at least one argument: the name of the "
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"template to be included."
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)
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with self.assertRaisesMessage(TemplateSyntaxError, msg):
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self.engine.get_template('include_empty')
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class IncludeTests(SimpleTestCase):
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def test_include_missing_template(self):
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"""
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The correct template is identified as not existing
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when {% include %} specifies a template that does not exist.
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"""
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engine = Engine(app_dirs=True, debug=True)
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template = engine.get_template('test_include_error.html')
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with self.assertRaisesMessage(TemplateDoesNotExist, 'missing.html'):
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template.render(Context())
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def test_extends_include_missing_baseloader(self):
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"""
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#12787 -- The correct template is identified as not existing
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when {% extends %} specifies a template that does exist, but that
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template has an {% include %} of something that does not exist.
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"""
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engine = Engine(app_dirs=True, debug=True)
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template = engine.get_template('test_extends_error.html')
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with self.assertRaisesMessage(TemplateDoesNotExist, 'missing.html'):
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template.render(Context())
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def test_extends_include_missing_cachedloader(self):
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engine = Engine(debug=True, loaders=[
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('django.template.loaders.cached.Loader', [
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'django.template.loaders.app_directories.Loader',
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]),
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])
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template = engine.get_template('test_extends_error.html')
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with self.assertRaisesMessage(TemplateDoesNotExist, 'missing.html'):
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template.render(Context())
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# Repeat to ensure it still works when loading from the cache
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template = engine.get_template('test_extends_error.html')
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with self.assertRaisesMessage(TemplateDoesNotExist, 'missing.html'):
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template.render(Context())
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def test_include_template_argument(self):
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"""
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Support any render() supporting object
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"""
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engine = Engine()
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ctx = Context({
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'tmpl': engine.from_string('This worked!'),
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})
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outer_tmpl = engine.from_string('{% include tmpl %}')
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output = outer_tmpl.render(ctx)
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self.assertEqual(output, 'This worked!')
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def test_include_template_iterable(self):
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engine = Engine.get_default()
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outer_temp = engine.from_string('{% include var %}')
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tests = [
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('admin/fail.html', 'index.html'),
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['admin/fail.html', 'index.html'],
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]
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for template_names in tests:
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with self.subTest(template_names):
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output = outer_temp.render(Context({'var': template_names}))
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self.assertEqual(output, 'index\n')
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def test_include_template_none(self):
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engine = Engine.get_default()
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outer_temp = engine.from_string('{% include var %}')
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ctx = Context({'var': None})
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msg = 'No template names provided'
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with self.assertRaisesMessage(TemplateDoesNotExist, msg):
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outer_temp.render(ctx)
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def test_include_from_loader_get_template(self):
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tmpl = loader.get_template('include_tpl.html') # {% include tmpl %}
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output = tmpl.render({'tmpl': loader.get_template('index.html')})
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self.assertEqual(output, 'index\n\n')
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def test_include_immediate_missing(self):
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"""
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#16417 -- Include tags pointing to missing templates should not raise
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an error at parsing time.
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"""
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Engine(debug=True).from_string('{% include "this_does_not_exist.html" %}')
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def test_include_recursive(self):
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comments = [
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{
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'comment': 'A1',
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'children': [
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{'comment': 'B1', 'children': []},
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{'comment': 'B2', 'children': []},
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{'comment': 'B3', 'children': [
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{'comment': 'C1', 'children': []}
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]},
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]
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}
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]
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engine = Engine(app_dirs=True)
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t = engine.get_template('recursive_include.html')
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self.assertEqual(
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"Recursion! A1 Recursion! B1 B2 B3 Recursion! C1",
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t.render(Context({'comments': comments})).replace(' ', '').replace('\n', ' ').strip(),
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)
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def test_include_cache(self):
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"""
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{% include %} keeps resolved templates constant (#27974). The
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CounterNode object in the {% counter %} template tag is created once
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if caching works properly. Each iteration increases the counter instead
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of restarting it.
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This works as a regression test only if the cached loader
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isn't used, so the @setup decorator isn't used.
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"""
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engine = Engine(loaders=[
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('django.template.loaders.locmem.Loader', {
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'template': '{% for x in vars %}{% include "include" %}{% endfor %}',
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'include': '{% include "next" %}',
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'next': '{% load custom %}{% counter %}'
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}),
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], libraries={'custom': 'template_tests.templatetags.custom'})
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output = engine.render_to_string('template', {'vars': range(9)})
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self.assertEqual(output, '012345678')
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