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django/tests/template_tests/syntax_tests/test_extends.py

432 lines
17 KiB
Python

from django.template import NodeList, TemplateSyntaxError
from django.template.base import Node
from django.template.loader_tags import ExtendsNode
from django.test import SimpleTestCase
from ..utils import setup
inheritance_templates = {
'inheritance01': "1{% block first %}&{% endblock %}3{% block second %}_{% endblock %}",
'inheritance02': "{% extends 'inheritance01' %}"
"{% block first %}2{% endblock %}{% block second %}4{% endblock %}",
'inheritance03': "{% extends 'inheritance02' %}",
'inheritance04': "{% extends 'inheritance01' %}",
'inheritance05': "{% extends 'inheritance02' %}",
'inheritance06': "{% extends foo %}",
'inheritance07': "{% extends 'inheritance01' %}{% block second %}5{% endblock %}",
'inheritance08': "{% extends 'inheritance02' %}{% block second %}5{% endblock %}",
'inheritance09': "{% extends 'inheritance04' %}",
'inheritance10': "{% extends 'inheritance04' %} ",
'inheritance11': "{% extends 'inheritance04' %}"
"{% block first %}2{% endblock %}{% block second %}4{% endblock %}",
'inheritance12': "{% extends 'inheritance07' %}{% block first %}2{% endblock %}",
'inheritance13': "{% extends 'inheritance02' %}"
"{% block first %}a{% endblock %}{% block second %}b{% endblock %}",
'inheritance14': "{% extends 'inheritance01' %}{% block newblock %}NO DISPLAY{% endblock %}",
'inheritance15': "{% extends 'inheritance01' %}"
"{% block first %}2{% block inner %}inner{% endblock %}{% endblock %}",
'inheritance16': "{% extends 'inheritance15' %}{% block inner %}out{% endblock %}",
'inheritance17': "{% load testtags %}{% block first %}1234{% endblock %}",
'inheritance18': "{% load testtags %}{% echo this that theother %}5678",
'inheritance19': "{% extends 'inheritance01' %}"
"{% block first %}{% load testtags %}{% echo 400 %}5678{% endblock %}",
'inheritance20': "{% extends 'inheritance01' %}{% block first %}{{ block.super }}a{% endblock %}",
'inheritance21': "{% extends 'inheritance02' %}{% block first %}{{ block.super }}a{% endblock %}",
'inheritance22': "{% extends 'inheritance04' %}{% block first %}{{ block.super }}a{% endblock %}",
'inheritance23': "{% extends 'inheritance20' %}{% block first %}{{ block.super }}b{% endblock %}",
'inheritance24': "{% extends context_template %}"
"{% block first %}2{% endblock %}{% block second %}4{% endblock %}",
'inheritance25': "{% extends context_template.1 %}"
"{% block first %}2{% endblock %}{% block second %}4{% endblock %}",
'inheritance26': "no tags",
'inheritance27': "{% extends 'inheritance26' %}",
'inheritance 28': "{% block first %}!{% endblock %}",
'inheritance29': "{% extends 'inheritance 28' %}",
'inheritance30': "1{% if optional %}{% block opt %}2{% endblock %}{% endif %}3",
'inheritance31': "{% extends 'inheritance30' %}{% block opt %}two{% endblock %}",
'inheritance32': "{% extends 'inheritance30' %}{% block opt %}two{% endblock %}",
'inheritance33': "1{% if optional == 1 %}{% block opt %}2{% endblock %}{% endif %}3",
'inheritance34': "{% extends 'inheritance33' %}{% block opt %}two{% endblock %}",
'inheritance35': "{% extends 'inheritance33' %}{% block opt %}two{% endblock %}",
'inheritance36': "{% for n in numbers %}_{% block opt %}{{ n }}{% endblock %}{% endfor %}_",
'inheritance37': "{% extends 'inheritance36' %}{% block opt %}X{% endblock %}",
'inheritance38': "{% extends 'inheritance36' %}{% block opt %}X{% endblock %}",
'inheritance39': "{% extends 'inheritance30' %}{% block opt %}new{{ block.super }}{% endblock %}",
'inheritance40': "{% extends 'inheritance33' %}{% block opt %}new{{ block.super }}{% endblock %}",
'inheritance41': "{% extends 'inheritance36' %}{% block opt %}new{{ block.super }}{% endblock %}",
'inheritance42': "{% extends 'inheritance02'|cut:' ' %}",
'inheritance_empty': "{% extends %}",
'extends_duplicate': "{% extends 'base.html' %}{% extends 'base.html' %}",
'duplicate_block': "{% extends 'base.html' %}{% block content %}2{% endblock %}{% block content %}4{% endblock %}",
}
class InheritanceTests(SimpleTestCase):
libraries = {'testtags': 'template_tests.templatetags.testtags'}
@setup(inheritance_templates)
def test_inheritance01(self):
"""
Standard template with no inheritance
"""
output = self.engine.render_to_string('inheritance01')
self.assertEqual(output, '1&3_')
@setup(inheritance_templates)
def test_inheritance02(self):
"""
Standard two-level inheritance
"""
output = self.engine.render_to_string('inheritance02')
self.assertEqual(output, '1234')
@setup(inheritance_templates)
def test_inheritance03(self):
"""
Three-level with no redefinitions on third level
"""
output = self.engine.render_to_string('inheritance03')
self.assertEqual(output, '1234')
@setup(inheritance_templates)
def test_inheritance04(self):
"""
Two-level with no redefinitions on second level
"""
output = self.engine.render_to_string('inheritance04')
self.assertEqual(output, '1&3_')
@setup(inheritance_templates)
def test_inheritance05(self):
"""
Two-level with double quotes instead of single quotes
"""
output = self.engine.render_to_string('inheritance05')
self.assertEqual(output, '1234')
@setup(inheritance_templates)
def test_inheritance06(self):
"""
Three-level with variable parent-template name
"""
output = self.engine.render_to_string('inheritance06', {'foo': 'inheritance02'})
self.assertEqual(output, '1234')
@setup(inheritance_templates)
def test_inheritance07(self):
"""
Two-level with one block defined, one block not defined
"""
output = self.engine.render_to_string('inheritance07')
self.assertEqual(output, '1&35')
@setup(inheritance_templates)
def test_inheritance08(self):
"""
Three-level with one block defined on this level, two blocks
defined next level
"""
output = self.engine.render_to_string('inheritance08')
self.assertEqual(output, '1235')
@setup(inheritance_templates)
def test_inheritance09(self):
"""
Three-level with second and third levels blank
"""
output = self.engine.render_to_string('inheritance09')
self.assertEqual(output, '1&3_')
@setup(inheritance_templates)
def test_inheritance10(self):
"""
Three-level with space NOT in a block -- should be ignored
"""
output = self.engine.render_to_string('inheritance10')
self.assertEqual(output, '1&3_')
@setup(inheritance_templates)
def test_inheritance11(self):
"""
Three-level with both blocks defined on this level, but none on
second level
"""
output = self.engine.render_to_string('inheritance11')
self.assertEqual(output, '1234')
@setup(inheritance_templates)
def test_inheritance12(self):
"""
Three-level with this level providing one and second level
providing the other
"""
output = self.engine.render_to_string('inheritance12')
self.assertEqual(output, '1235')
@setup(inheritance_templates)
def test_inheritance13(self):
"""
Three-level with this level overriding second level
"""
output = self.engine.render_to_string('inheritance13')
self.assertEqual(output, '1a3b')
@setup(inheritance_templates)
def test_inheritance14(self):
"""
A block defined only in a child template shouldn't be displayed
"""
output = self.engine.render_to_string('inheritance14')
self.assertEqual(output, '1&3_')
@setup(inheritance_templates)
def test_inheritance15(self):
"""
A block within another block
"""
output = self.engine.render_to_string('inheritance15')
self.assertEqual(output, '12inner3_')
@setup(inheritance_templates)
def test_inheritance16(self):
"""
A block within another block (level 2)
"""
output = self.engine.render_to_string('inheritance16')
self.assertEqual(output, '12out3_')
@setup(inheritance_templates)
def test_inheritance17(self):
"""
{% load %} tag (parent -- setup for exception04)
"""
output = self.engine.render_to_string('inheritance17')
self.assertEqual(output, '1234')
@setup(inheritance_templates)
def test_inheritance18(self):
"""
{% load %} tag (standard usage, without inheritance)
"""
output = self.engine.render_to_string('inheritance18')
self.assertEqual(output, 'this that theother5678')
@setup(inheritance_templates)
def test_inheritance19(self):
"""
{% load %} tag (within a child template)
"""
output = self.engine.render_to_string('inheritance19')
self.assertEqual(output, '140056783_')
@setup(inheritance_templates)
def test_inheritance20(self):
"""
Two-level inheritance with {{ block.super }}
"""
output = self.engine.render_to_string('inheritance20')
self.assertEqual(output, '1&a3_')
@setup(inheritance_templates)
def test_inheritance21(self):
"""
Three-level inheritance with {{ block.super }} from parent
"""
output = self.engine.render_to_string('inheritance21')
self.assertEqual(output, '12a34')
@setup(inheritance_templates)
def test_inheritance22(self):
"""
Three-level inheritance with {{ block.super }} from grandparent
"""
output = self.engine.render_to_string('inheritance22')
self.assertEqual(output, '1&a3_')
@setup(inheritance_templates)
def test_inheritance23(self):
"""
Three-level inheritance with {{ block.super }} from parent and
grandparent
"""
output = self.engine.render_to_string('inheritance23')
self.assertEqual(output, '1&ab3_')
@setup(inheritance_templates)
def test_inheritance24(self):
"""
Inheritance from local context without use of template loader
"""
context_template = self.engine.from_string(
"1{% block first %}_{% endblock %}3{% block second %}_{% endblock %}"
)
output = self.engine.render_to_string('inheritance24', {'context_template': context_template})
self.assertEqual(output, '1234')
@setup(inheritance_templates)
def test_inheritance25(self):
"""
Inheritance from local context with variable parent template
"""
context_template = [
self.engine.from_string("Wrong"),
self.engine.from_string("1{% block first %}_{% endblock %}3{% block second %}_{% endblock %}"),
]
output = self.engine.render_to_string('inheritance25', {'context_template': context_template})
self.assertEqual(output, '1234')
@setup(inheritance_templates)
def test_inheritance26(self):
"""
Set up a base template to extend
"""
output = self.engine.render_to_string('inheritance26')
self.assertEqual(output, 'no tags')
@setup(inheritance_templates)
def test_inheritance27(self):
"""
Inheritance from a template that doesn't have any blocks
"""
output = self.engine.render_to_string('inheritance27')
self.assertEqual(output, 'no tags')
@setup(inheritance_templates)
def test_inheritance_28(self):
"""
Set up a base template with a space in it.
"""
output = self.engine.render_to_string('inheritance 28')
self.assertEqual(output, '!')
@setup(inheritance_templates)
def test_inheritance29(self):
"""
Inheritance from a template with a space in its name should work.
"""
output = self.engine.render_to_string('inheritance29')
self.assertEqual(output, '!')
@setup(inheritance_templates)
def test_inheritance30(self):
"""
Base template, putting block in a conditional {% if %} tag
"""
output = self.engine.render_to_string('inheritance30', {'optional': True})
self.assertEqual(output, '123')
# Inherit from a template with block wrapped in an {% if %} tag
# (in parent), still gets overridden
@setup(inheritance_templates)
def test_inheritance31(self):
output = self.engine.render_to_string('inheritance31', {'optional': True})
self.assertEqual(output, '1two3')
@setup(inheritance_templates)
def test_inheritance32(self):
output = self.engine.render_to_string('inheritance32')
self.assertEqual(output, '13')
@setup(inheritance_templates)
def test_inheritance33(self):
"""
Base template, putting block in a conditional {% if %} tag
"""
output = self.engine.render_to_string('inheritance33', {'optional': 1})
self.assertEqual(output, '123')
@setup(inheritance_templates)
def test_inheritance34(self):
"""
Inherit from a template with block wrapped in an {% if %} tag
(in parent), still gets overridden
"""
output = self.engine.render_to_string('inheritance34', {'optional': 1})
self.assertEqual(output, '1two3')
@setup(inheritance_templates)
def test_inheritance35(self):
"""
Inherit from a template with block wrapped in an {% if %} tag
(in parent), still gets overridden
"""
output = self.engine.render_to_string('inheritance35', {'optional': 2})
self.assertEqual(output, '13')
@setup(inheritance_templates)
def test_inheritance36(self):
"""
Base template, putting block in a {% for %} tag
"""
output = self.engine.render_to_string('inheritance36', {'numbers': '123'})
self.assertEqual(output, '_1_2_3_')
@setup(inheritance_templates)
def test_inheritance37(self):
"""
Inherit from a template with block wrapped in an {% for %} tag
(in parent), still gets overridden
"""
output = self.engine.render_to_string('inheritance37', {'numbers': '123'})
self.assertEqual(output, '_X_X_X_')
@setup(inheritance_templates)
def test_inheritance38(self):
"""
Inherit from a template with block wrapped in an {% for %} tag
(in parent), still gets overridden
"""
output = self.engine.render_to_string('inheritance38')
self.assertEqual(output, '_')
# The super block will still be found.
@setup(inheritance_templates)
def test_inheritance39(self):
output = self.engine.render_to_string('inheritance39', {'optional': True})
self.assertEqual(output, '1new23')
@setup(inheritance_templates)
def test_inheritance40(self):
output = self.engine.render_to_string('inheritance40', {'optional': 1})
self.assertEqual(output, '1new23')
@setup(inheritance_templates)
def test_inheritance41(self):
output = self.engine.render_to_string('inheritance41', {'numbers': '123'})
self.assertEqual(output, '_new1_new2_new3_')
@setup(inheritance_templates)
def test_inheritance42(self):
"""
Expression starting and ending with a quote
"""
output = self.engine.render_to_string('inheritance42')
self.assertEqual(output, '1234')
@setup(inheritance_templates)
def test_inheritance_empty(self):
with self.assertRaisesMessage(TemplateSyntaxError, "'extends' takes one argument"):
self.engine.render_to_string('inheritance_empty')
@setup(inheritance_templates)
def test_extends_duplicate(self):
msg = "'extends' cannot appear more than once in the same template"
with self.assertRaisesMessage(TemplateSyntaxError, msg):
self.engine.render_to_string('extends_duplicate')
@setup(inheritance_templates)
def test_duplicate_block(self):
msg = "'block' tag with name 'content' appears more than once"
with self.assertRaisesMessage(TemplateSyntaxError, msg):
self.engine.render_to_string('duplicate_block')
class ExtendsNodeTests(SimpleTestCase):
def test_extends_node_repr(self):
extends_node = ExtendsNode(
nodelist=NodeList([]),
parent_name=Node(),
template_dirs=[],
)
self.assertEqual(repr(extends_node), '<ExtendsNode: extends None>')