django/tests/othertests/templates.py

256 lines
13 KiB
Python

from django.core import template, template_loader
# Helper objects for template tests
class SomeClass:
def __init__(self):
self.otherclass = OtherClass()
def method(self):
return "SomeClass.method"
def method2(self, o):
return o
class OtherClass:
def method(self):
return "OtherClass.method"
# SYNTAX --
# 'template_name': ('template contents', 'context dict', 'expected string output' or Exception class)
TEMPLATE_TESTS = {
### BASIC SYNTAX ##########################################################
# Plain text should go through the template parser untouched
'basic-syntax01': ("something cool", {}, "something cool"),
# Variables should be replaced with their value in the current context
'basic-syntax02': ("{{ headline }}", {'headline':'Success'}, "Success"),
# More than one replacement variable is allowed in a template
'basic-syntax03': ("{{ first }} --- {{ second }}", {"first" : 1, "second" : 2}, "1 --- 2"),
# Fail silently when a variable is not found in the current context
'basic-syntax04': ("as{{ missing }}df", {}, "asdf"),
# A variable may not contain more than one word
'basic-syntax06': ("{{ multi word variable }}", {}, template.TemplateSyntaxError),
# Raise TemplateSyntaxError for empty variable tags
'basic-syntax07': ("{{ }}", {}, template.TemplateSyntaxError),
'basic-syntax08': ("{{ }}", {}, template.TemplateSyntaxError),
# Attribute syntax allows a template to call an object's attribute
'basic-syntax09': ("{{ var.method }}", {"var": SomeClass()}, "SomeClass.method"),
# Multiple levels of attribute access are allowed
'basic-syntax10': ("{{ var.otherclass.method }}", {"var": SomeClass()}, "OtherClass.method"),
# Fail silently when a variable's attribute isn't found
'basic-syntax11': ("{{ var.blech }}", {"var": SomeClass()}, ""),
# Raise TemplateSyntaxError when trying to access a variable beginning with an underscore
'basic-syntax12': ("{{ var.__dict__ }}", {"var": SomeClass()}, template.TemplateSyntaxError),
# Raise TemplateSyntaxError when trying to access a variable containing an illegal character
'basic-syntax13': ("{{ va>r }}", {}, template.TemplateSyntaxError),
'basic-syntax14': ("{{ (var.r) }}", {}, template.TemplateSyntaxError),
'basic-syntax15': ("{{ sp%am }}", {}, template.TemplateSyntaxError),
'basic-syntax16': ("{{ eggs! }}", {}, template.TemplateSyntaxError),
'basic-syntax17': ("{{ moo? }}", {}, template.TemplateSyntaxError),
# Attribute syntax allows a template to call a dictionary key's value
'basic-syntax18': ("{{ foo.bar }}", {"foo" : {"bar" : "baz"}}, "baz"),
# Fail silently when a variable's dictionary key isn't found
'basic-syntax19': ("{{ foo.spam }}", {"foo" : {"bar" : "baz"}}, ""),
# Fail silently when accessing a non-simple method
'basic-syntax20': ("{{ var.method2 }}", {"var": SomeClass()}, ""),
# Basic filter usage
'basic-syntax21': ("{{ var|upper }}", {"var": "Django is the greatest!"}, "DJANGO IS THE GREATEST!"),
# Chained filters
'basic-syntax22': ("{{ var|upper|lower }}", {"var": "Django is the greatest!"}, "django is the greatest!"),
# Raise TemplateSyntaxError for space between a variable and filter pipe
'basic-syntax23': ("{{ var |upper }}", {}, template.TemplateSyntaxError),
# Raise TemplateSyntaxError for space after a filter pipe
'basic-syntax24': ("{{ var| upper }}", {}, template.TemplateSyntaxError),
# Raise TemplateSyntaxError for a nonexistent filter
'basic-syntax25': ("{{ var|does_not_exist }}", {}, template.TemplateSyntaxError),
# Raise TemplateSyntaxError when trying to access a filter containing an illegal character
'basic-syntax26': ("{{ var|fil(ter) }}", {}, template.TemplateSyntaxError),
# Raise TemplateSyntaxError for invalid block tags
'basic-syntax27': ("{% nothing_to_see_here %}", {}, template.TemplateSyntaxError),
# Raise TemplateSyntaxError for empty block tags
'basic-syntax28': ("{% %}", {}, template.TemplateSyntaxError),
# Chained filters, with an argument to the first one
'basic-syntax29': ('{{ var|removetags:"b i"|upper|lower }}', {"var": "<b><i>Yes</i></b>"}, "yes"),
### IF TAG ################################################################
'if-tag01': ("{% if foo %}yes{% else %}no{% endif %}", {"foo": True}, "yes"),
'if-tag02': ("{% if foo %}yes{% else %}no{% endif %}", {"foo": False}, "no"),
'if-tag03': ("{% if foo %}yes{% else %}no{% endif %}", {}, "no"),
### COMMENT TAG ###########################################################
'comment-tag01': ("{% comment %}this is hidden{% endcomment %}hello", {}, "hello"),
'comment-tag02': ("{% comment %}this is hidden{% endcomment %}hello{% comment %}foo{% endcomment %}", {}, "hello"),
### FOR TAG ###############################################################
'for-tag01': ("{% for val in values %}{{ val }}{% endfor %}", {"values": [1, 2, 3]}, "123"),
'for-tag02': ("{% for val in values reversed %}{{ val }}{% endfor %}", {"values": [1, 2, 3]}, "321"),
### IFEQUAL TAG ###########################################################
'ifequal01': ("{% ifequal a b %}yes{% endifequal %}", {"a": 1, "b": 2}, ""),
'ifequal02': ("{% ifequal a b %}yes{% endifequal %}", {"a": 1, "b": 1}, "yes"),
'ifequal03': ("{% ifequal a b %}yes{% else %}no{% endifequal %}", {"a": 1, "b": 2}, "no"),
'ifequal04': ("{% ifequal a b %}yes{% else %}no{% endifequal %}", {"a": 1, "b": 1}, "yes"),
'ifequal05': ("{% ifequal a 'test' %}yes{% else %}no{% endifequal %}", {"a": "test"}, "yes"),
'ifequal06': ("{% ifequal a 'test' %}yes{% else %}no{% endifequal %}", {"a": "no"}, "no"),
'ifequal07': ('{% ifequal a "test" %}yes{% else %}no{% endifequal %}', {"a": "test"}, "yes"),
'ifequal08': ('{% ifequal a "test" %}yes{% else %}no{% endifequal %}', {"a": "no"}, "no"),
'ifequal09': ('{% ifequal a "test" %}yes{% else %}no{% endifequal %}', {}, "no"),
'ifequal10': ('{% ifequal a b %}yes{% else %}no{% endifequal %}', {}, "yes"),
### IFNOTEQUAL TAG ########################################################
'ifnotequal01': ("{% ifnotequal a b %}yes{% endifnotequal %}", {"a": 1, "b": 2}, "yes"),
'ifnotequal02': ("{% ifnotequal a b %}yes{% endifnotequal %}", {"a": 1, "b": 1}, ""),
'ifnotequal03': ("{% ifnotequal a b %}yes{% else %}no{% endifnotequal %}", {"a": 1, "b": 2}, "yes"),
'ifnotequal04': ("{% ifnotequal a b %}yes{% else %}no{% endifnotequal %}", {"a": 1, "b": 1}, "no"),
### INHERITANCE ###########################################################
# Standard template with no inheritance
'inheritance01': ("1{% block first %}_{% endblock %}3{% block second %}_{% endblock %}", {}, '1_3_'),
# Standard two-level inheritance
'inheritance02': ("{% extends 'inheritance01' %}{% block first %}2{% endblock %}{% block second %}4{% endblock %}", {}, '1234'),
# Three-level with no redefinitions on third level
'inheritance03': ("{% extends 'inheritance02' %}", {}, '1234'),
# Two-level with no redefinitions on second level
'inheritance04': ("{% extends 'inheritance01' %}", {}, '1_3_'),
# Two-level with double quotes instead of single quotes
'inheritance05': ('{% extends "inheritance02" %}', {}, '1234'),
# Three-level with variable parent-template name
'inheritance06': ("{% extends foo %}", {'foo': 'inheritance02'}, '1234'),
# Two-level with one block defined, one block not defined
'inheritance07': ("{% extends 'inheritance01' %}{% block second %}5{% endblock %}", {}, '1_35'),
# Three-level with one block defined on this level, two blocks defined next level
'inheritance08': ("{% extends 'inheritance02' %}{% block second %}5{% endblock %}", {}, '1235'),
# Three-level with second and third levels blank
'inheritance09': ("{% extends 'inheritance04' %}", {}, '1_3_'),
# Three-level with space NOT in a block -- should be ignored
'inheritance10': ("{% extends 'inheritance04' %} ", {}, '1_3_'),
# Three-level with both blocks defined on this level, but none on second level
'inheritance11': ("{% extends 'inheritance04' %}{% block first %}2{% endblock %}{% block second %}4{% endblock %}", {}, '1234'),
# Three-level with this level providing one and second level providing the other
'inheritance12': ("{% extends 'inheritance07' %}{% block first %}2{% endblock %}", {}, '1235'),
# Three-level with this level overriding second level
'inheritance13': ("{% extends 'inheritance02' %}{% block first %}a{% endblock %}{% block second %}b{% endblock %}", {}, '1a3b'),
# A block defined only in a child template shouldn't be displayed
'inheritance14': ("{% extends 'inheritance01' %}{% block newblock %}NO DISPLAY{% endblock %}", {}, '1_3_'),
# A block within another block
'inheritance15': ("{% extends 'inheritance01' %}{% block first %}2{% block inner %}inner{% endblock %}{% endblock %}", {}, '12inner3_'),
# A block within another block (level 2)
'inheritance16': ("{% extends 'inheritance15' %}{% block inner %}out{% endblock %}", {}, '12out3_'),
# {% load %} tag (parent -- setup for exception04)
'inheritance17': ("{% load testtags %}{% block first %}1234{% endblock %}", {}, '1234'),
# {% load %} tag (standard usage, without inheritance)
'inheritance18': ("{% load testtags %}{% echo this that theother %}5678", {}, 'this that theother5678'),
# {% load %} tag (within a child template)
'inheritance19': ("{% extends 'inheritance01' %}{% block first %}{% load testtags %}{% echo 400 %}5678{% endblock %}", {}, '140056783_'),
# Two-level inheritance with {{ block.super }}
'inheritance20': ("{% extends 'inheritance01' %}{% block first %}{{ block.super }}a{% endblock %}", {}, '1_a3_'),
# Three-level inheritance with {{ block.super }} from parent
'inheritance21': ("{% extends 'inheritance02' %}{% block first %}{{ block.super }}a{% endblock %}", {}, '12a34'),
# Three-level inheritance with {{ block.super }} from grandparent
'inheritance22': ("{% extends 'inheritance04' %}{% block first %}{{ block.super }}a{% endblock %}", {}, '1_a3_'),
# Three-level inheritance with {{ block.super }} from parent and grandparent
'inheritance23': ("{% extends 'inheritance20' %}{% block first %}{{ block.super }}b{% endblock %}", {}, '1_ab3_'),
### EXCEPTIONS ############################################################
# Raise exception for invalid template name
'exception01': ("{% extends 'nonexistent' %}", {}, template.TemplateSyntaxError),
# Raise exception for invalid template name (in variable)
'exception02': ("{% extends nonexistent %}", {}, template.TemplateSyntaxError),
# Raise exception for extra {% extends %} tags
'exception03': ("{% extends 'inheritance01' %}{% block first %}2{% endblock %}{% extends 'inheritance16' %}", {}, template.TemplateSyntaxError),
# Raise exception for custom tags used in child with {% load %} tag in parent, not in child
'exception04': ("{% extends 'inheritance17' %}{% block first %}{% echo 400 %}5678{% endblock %}", {}, template.TemplateSyntaxError),
}
# This replaces the standard template_loader.
def test_template_loader(template_name, template_dirs=None):
try:
return TEMPLATE_TESTS[template_name][0]
except KeyError:
raise template.TemplateDoesNotExist, template_name
def run_tests(verbosity=0, standalone=False):
template_loader.load_template_source, old_template_loader = test_template_loader, template_loader.load_template_source
failed_tests = []
tests = TEMPLATE_TESTS.items()
tests.sort()
for name, vals in tests:
try:
output = template_loader.get_template(name).render(template.Context(vals[1]))
except Exception, e:
if e.__class__ == vals[2]:
if verbosity:
print "Template test: %s -- Passed" % name
else:
if verbosity:
print "Template test: %s -- FAILED. Got %s, exception: %s" % (name, e.__class__, e)
failed_tests.append(name)
continue
if output == vals[2]:
if verbosity:
print "Template test: %s -- Passed" % name
else:
if verbosity:
print "Template test: %s -- FAILED. Expected %r, got %r" % (name, vals[2], output)
failed_tests.append(name)
template_loader.load_template_source = old_template_loader
if failed_tests and not standalone:
msg = "Template tests %s failed." % failed_tests
if not verbosity:
msg += " Re-run tests with -v1 to see actual failures"
raise Exception, msg
if __name__ == "__main__":
run_tests(1, True)