mirror of
https://github.com/django/django.git
synced 2024-12-30 13:05:45 +00:00
379 lines
14 KiB
Python
379 lines
14 KiB
Python
from django.template import (
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Context,
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Engine,
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TemplateDoesNotExist,
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TemplateSyntaxError,
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loader,
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)
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from django.template.loader_tags import IncludeNode
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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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{
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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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)
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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(
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{"include07": '{% include "basic-syntax02" with headline="Inline" %}'},
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basic_templates,
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)
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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(
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{"include08": '{% include headline with headline="Dynamic" %}'}, basic_templates
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)
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def test_include08(self):
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output = self.engine.render_to_string(
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"include08", {"headline": "basic-syntax02"}
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)
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self.assertEqual(output, "Dynamic")
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@setup(
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{
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"include09": (
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"{{ first }}--"
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'{% include "basic-syntax03" with '
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"first=second|lower|upper second=first|upper %}"
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"--{{ second }}"
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)
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},
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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(
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"include09", {"first": "Ul", "second": "lU"}
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)
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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(
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{"include11": '{% include "basic-syntax03" only with second=2 %}'},
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basic_templates,
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)
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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(
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{"include12": '{% include "basic-syntax03" with first=1 only %}'},
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basic_templates,
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)
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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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{
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"include13": (
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'{% autoescape off %}{% include "basic-syntax03" %}{% endautoescape %}'
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)
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},
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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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{
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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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},
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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(
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{"include-error03": '{% include "basic-syntax01" with dotted.arg="error" %}'}
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)
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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(
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{"include-error05": '{% include "basic-syntax01" foo="duplicate" foo="key" %}'}
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)
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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(
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debug=True,
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loaders=[
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(
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"django.template.loaders.cached.Loader",
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[
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"django.template.loaders.app_directories.Loader",
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],
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),
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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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{
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"tmpl": engine.from_string("This worked!"),
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}
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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": [{"comment": "C1", "children": []}]},
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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}))
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.replace(" ", "")
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.replace("\n", " ")
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.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(
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loaders=[
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(
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"django.template.loaders.locmem.Loader",
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{
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"template": (
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'{% for x in vars %}{% include "include" %}{% endfor %}'
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),
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"include": '{% include "next" %}',
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"next": "{% load custom %}{% counter %}",
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},
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),
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],
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libraries={"custom": "template_tests.templatetags.custom"},
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)
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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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class IncludeNodeTests(SimpleTestCase):
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def test_repr(self):
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include_node = IncludeNode("app/template.html")
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self.assertEqual(
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repr(include_node),
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"<IncludeNode: template='app/template.html'>",
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)
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