mirror of
https://github.com/django/django.git
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383 lines
24 KiB
Python
383 lines
24 KiB
Python
from __future__ import unicode_literals
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from unittest import TestCase
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from django import template
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from django.test import ignore_warnings
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from django.utils import six
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from django.utils.deprecation import RemovedInDjango20Warning
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from .templatetags import custom, inclusion
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class CustomFilterTests(TestCase):
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def test_filter(self):
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t = template.Template("{% load custom %}{{ string|trim:5 }}")
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self.assertEqual(
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t.render(template.Context({"string": "abcdefghijklmnopqrstuvwxyz"})),
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"abcde"
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)
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class CustomTagTests(TestCase):
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def verify_tag(self, tag, name):
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self.assertEqual(tag.__name__, name)
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self.assertEqual(tag.__doc__, 'Expected %s __doc__' % name)
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self.assertEqual(tag.__dict__['anything'], 'Expected %s __dict__' % name)
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def test_simple_tags(self):
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c = template.Context({'value': 42})
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t = template.Template('{% load custom %}{% no_params %}')
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self.assertEqual(t.render(c), 'no_params - Expected result')
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t = template.Template('{% load custom %}{% one_param 37 %}')
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self.assertEqual(t.render(c), 'one_param - Expected result: 37')
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t = template.Template('{% load custom %}{% explicit_no_context 37 %}')
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self.assertEqual(t.render(c), 'explicit_no_context - Expected result: 37')
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t = template.Template('{% load custom %}{% no_params_with_context %}')
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self.assertEqual(t.render(c), 'no_params_with_context - Expected result (context value: 42)')
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t = template.Template('{% load custom %}{% params_and_context 37 %}')
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self.assertEqual(t.render(c), 'params_and_context - Expected result (context value: 42): 37')
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t = template.Template('{% load custom %}{% simple_two_params 37 42 %}')
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self.assertEqual(t.render(c), 'simple_two_params - Expected result: 37, 42')
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t = template.Template('{% load custom %}{% simple_one_default 37 %}')
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self.assertEqual(t.render(c), 'simple_one_default - Expected result: 37, hi')
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t = template.Template('{% load custom %}{% simple_one_default 37 two="hello" %}')
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self.assertEqual(t.render(c), 'simple_one_default - Expected result: 37, hello')
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t = template.Template('{% load custom %}{% simple_one_default one=99 two="hello" %}')
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self.assertEqual(t.render(c), 'simple_one_default - Expected result: 99, hello')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'simple_one_default' received unexpected keyword argument 'three'",
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template.Template, '{% load custom %}{% simple_one_default 99 two="hello" three="foo" %}')
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t = template.Template('{% load custom %}{% simple_one_default 37 42 %}')
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self.assertEqual(t.render(c), 'simple_one_default - Expected result: 37, 42')
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t = template.Template('{% load custom %}{% simple_unlimited_args 37 %}')
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self.assertEqual(t.render(c), 'simple_unlimited_args - Expected result: 37, hi')
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t = template.Template('{% load custom %}{% simple_unlimited_args 37 42 56 89 %}')
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self.assertEqual(t.render(c), 'simple_unlimited_args - Expected result: 37, 42, 56, 89')
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t = template.Template('{% load custom %}{% simple_only_unlimited_args %}')
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self.assertEqual(t.render(c), 'simple_only_unlimited_args - Expected result: ')
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t = template.Template('{% load custom %}{% simple_only_unlimited_args 37 42 56 89 %}')
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self.assertEqual(t.render(c), 'simple_only_unlimited_args - Expected result: 37, 42, 56, 89')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'simple_two_params' received too many positional arguments",
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template.Template, '{% load custom %}{% simple_two_params 37 42 56 %}')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'simple_one_default' received too many positional arguments",
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template.Template, '{% load custom %}{% simple_one_default 37 42 56 %}')
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t = template.Template('{% load custom %}{% simple_unlimited_args_kwargs 37 40|add:2 56 eggs="scrambled" four=1|add:3 %}')
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self.assertEqual(t.render(c), 'simple_unlimited_args_kwargs - Expected result: 37, 42, 56 / eggs=scrambled, four=4')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'simple_unlimited_args_kwargs' received some positional argument\(s\) after some keyword argument\(s\)",
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template.Template, '{% load custom %}{% simple_unlimited_args_kwargs 37 40|add:2 eggs="scrambled" 56 four=1|add:3 %}')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'simple_unlimited_args_kwargs' received multiple values for keyword argument 'eggs'",
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template.Template, '{% load custom %}{% simple_unlimited_args_kwargs 37 eggs="scrambled" eggs="scrambled" %}')
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def test_simple_tag_registration(self):
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# Test that the decorators preserve the decorated function's docstring, name and attributes.
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self.verify_tag(custom.no_params, 'no_params')
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self.verify_tag(custom.one_param, 'one_param')
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self.verify_tag(custom.explicit_no_context, 'explicit_no_context')
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self.verify_tag(custom.no_params_with_context, 'no_params_with_context')
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self.verify_tag(custom.params_and_context, 'params_and_context')
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self.verify_tag(custom.simple_unlimited_args_kwargs, 'simple_unlimited_args_kwargs')
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self.verify_tag(custom.simple_tag_without_context_parameter, 'simple_tag_without_context_parameter')
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def test_simple_tag_missing_context(self):
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# The 'context' parameter must be present when takes_context is True
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'simple_tag_without_context_parameter' is decorated with takes_context=True so it must have a first argument of 'context'",
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template.Template, '{% load custom %}{% simple_tag_without_context_parameter 123 %}')
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def test_inclusion_tags(self):
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c = template.Context({'value': 42})
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t = template.Template('{% load inclusion %}{% inclusion_no_params %}')
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self.assertEqual(t.render(c), 'inclusion_no_params - Expected result\n')
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t = template.Template('{% load inclusion %}{% inclusion_one_param 37 %}')
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self.assertEqual(t.render(c), 'inclusion_one_param - Expected result: 37\n')
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t = template.Template('{% load inclusion %}{% inclusion_explicit_no_context 37 %}')
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self.assertEqual(t.render(c), 'inclusion_explicit_no_context - Expected result: 37\n')
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t = template.Template('{% load inclusion %}{% inclusion_no_params_with_context %}')
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self.assertEqual(t.render(c), 'inclusion_no_params_with_context - Expected result (context value: 42)\n')
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t = template.Template('{% load inclusion %}{% inclusion_params_and_context 37 %}')
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self.assertEqual(t.render(c), 'inclusion_params_and_context - Expected result (context value: 42): 37\n')
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t = template.Template('{% load inclusion %}{% inclusion_two_params 37 42 %}')
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self.assertEqual(t.render(c), 'inclusion_two_params - Expected result: 37, 42\n')
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t = template.Template('{% load inclusion %}{% inclusion_one_default 37 %}')
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self.assertEqual(t.render(c), 'inclusion_one_default - Expected result: 37, hi\n')
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t = template.Template('{% load inclusion %}{% inclusion_one_default 37 two="hello" %}')
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self.assertEqual(t.render(c), 'inclusion_one_default - Expected result: 37, hello\n')
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t = template.Template('{% load inclusion %}{% inclusion_one_default one=99 two="hello" %}')
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self.assertEqual(t.render(c), 'inclusion_one_default - Expected result: 99, hello\n')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'inclusion_one_default' received unexpected keyword argument 'three'",
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template.Template, '{% load inclusion %}{% inclusion_one_default 99 two="hello" three="foo" %}')
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t = template.Template('{% load inclusion %}{% inclusion_one_default 37 42 %}')
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self.assertEqual(t.render(c), 'inclusion_one_default - Expected result: 37, 42\n')
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t = template.Template('{% load inclusion %}{% inclusion_unlimited_args 37 %}')
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self.assertEqual(t.render(c), 'inclusion_unlimited_args - Expected result: 37, hi\n')
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t = template.Template('{% load inclusion %}{% inclusion_unlimited_args 37 42 56 89 %}')
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self.assertEqual(t.render(c), 'inclusion_unlimited_args - Expected result: 37, 42, 56, 89\n')
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t = template.Template('{% load inclusion %}{% inclusion_only_unlimited_args %}')
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self.assertEqual(t.render(c), 'inclusion_only_unlimited_args - Expected result: \n')
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t = template.Template('{% load inclusion %}{% inclusion_only_unlimited_args 37 42 56 89 %}')
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self.assertEqual(t.render(c), 'inclusion_only_unlimited_args - Expected result: 37, 42, 56, 89\n')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'inclusion_two_params' received too many positional arguments",
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template.Template, '{% load inclusion %}{% inclusion_two_params 37 42 56 %}')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'inclusion_one_default' received too many positional arguments",
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template.Template, '{% load inclusion %}{% inclusion_one_default 37 42 56 %}')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'inclusion_one_default' did not receive value\(s\) for the argument\(s\): 'one'",
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template.Template, '{% load inclusion %}{% inclusion_one_default %}')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'inclusion_unlimited_args' did not receive value\(s\) for the argument\(s\): 'one'",
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template.Template, '{% load inclusion %}{% inclusion_unlimited_args %}')
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t = template.Template('{% load inclusion %}{% inclusion_unlimited_args_kwargs 37 40|add:2 56 eggs="scrambled" four=1|add:3 %}')
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self.assertEqual(t.render(c), 'inclusion_unlimited_args_kwargs - Expected result: 37, 42, 56 / eggs=scrambled, four=4\n')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'inclusion_unlimited_args_kwargs' received some positional argument\(s\) after some keyword argument\(s\)",
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template.Template, '{% load inclusion %}{% inclusion_unlimited_args_kwargs 37 40|add:2 eggs="scrambled" 56 four=1|add:3 %}')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'inclusion_unlimited_args_kwargs' received multiple values for keyword argument 'eggs'",
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template.Template, '{% load inclusion %}{% inclusion_unlimited_args_kwargs 37 eggs="scrambled" eggs="scrambled" %}')
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def test_include_tag_missing_context(self):
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# The 'context' parameter must be present when takes_context is True
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'inclusion_tag_without_context_parameter' is decorated with takes_context=True so it must have a first argument of 'context'",
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template.Template, '{% load inclusion %}{% inclusion_tag_without_context_parameter 123 %}')
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def test_inclusion_tags_from_template(self):
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c = template.Context({'value': 42})
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t = template.Template('{% load inclusion %}{% inclusion_no_params_from_template %}')
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self.assertEqual(t.render(c), 'inclusion_no_params_from_template - Expected result\n')
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t = template.Template('{% load inclusion %}{% inclusion_one_param_from_template 37 %}')
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self.assertEqual(t.render(c), 'inclusion_one_param_from_template - Expected result: 37\n')
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t = template.Template('{% load inclusion %}{% inclusion_explicit_no_context_from_template 37 %}')
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self.assertEqual(t.render(c), 'inclusion_explicit_no_context_from_template - Expected result: 37\n')
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t = template.Template('{% load inclusion %}{% inclusion_no_params_with_context_from_template %}')
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self.assertEqual(t.render(c), 'inclusion_no_params_with_context_from_template - Expected result (context value: 42)\n')
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t = template.Template('{% load inclusion %}{% inclusion_params_and_context_from_template 37 %}')
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self.assertEqual(t.render(c), 'inclusion_params_and_context_from_template - Expected result (context value: 42): 37\n')
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t = template.Template('{% load inclusion %}{% inclusion_two_params_from_template 37 42 %}')
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self.assertEqual(t.render(c), 'inclusion_two_params_from_template - Expected result: 37, 42\n')
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t = template.Template('{% load inclusion %}{% inclusion_one_default_from_template 37 %}')
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self.assertEqual(t.render(c), 'inclusion_one_default_from_template - Expected result: 37, hi\n')
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t = template.Template('{% load inclusion %}{% inclusion_one_default_from_template 37 42 %}')
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self.assertEqual(t.render(c), 'inclusion_one_default_from_template - Expected result: 37, 42\n')
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t = template.Template('{% load inclusion %}{% inclusion_unlimited_args_from_template 37 %}')
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self.assertEqual(t.render(c), 'inclusion_unlimited_args_from_template - Expected result: 37, hi\n')
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t = template.Template('{% load inclusion %}{% inclusion_unlimited_args_from_template 37 42 56 89 %}')
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self.assertEqual(t.render(c), 'inclusion_unlimited_args_from_template - Expected result: 37, 42, 56, 89\n')
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t = template.Template('{% load inclusion %}{% inclusion_only_unlimited_args_from_template %}')
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self.assertEqual(t.render(c), 'inclusion_only_unlimited_args_from_template - Expected result: \n')
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t = template.Template('{% load inclusion %}{% inclusion_only_unlimited_args_from_template 37 42 56 89 %}')
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self.assertEqual(t.render(c), 'inclusion_only_unlimited_args_from_template - Expected result: 37, 42, 56, 89\n')
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def test_inclusion_tag_registration(self):
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# Test that the decorators preserve the decorated function's docstring, name and attributes.
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self.verify_tag(inclusion.inclusion_no_params, 'inclusion_no_params')
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self.verify_tag(inclusion.inclusion_one_param, 'inclusion_one_param')
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self.verify_tag(inclusion.inclusion_explicit_no_context, 'inclusion_explicit_no_context')
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self.verify_tag(inclusion.inclusion_no_params_with_context, 'inclusion_no_params_with_context')
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self.verify_tag(inclusion.inclusion_params_and_context, 'inclusion_params_and_context')
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self.verify_tag(inclusion.inclusion_two_params, 'inclusion_two_params')
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self.verify_tag(inclusion.inclusion_one_default, 'inclusion_one_default')
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self.verify_tag(inclusion.inclusion_unlimited_args, 'inclusion_unlimited_args')
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self.verify_tag(inclusion.inclusion_only_unlimited_args, 'inclusion_only_unlimited_args')
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self.verify_tag(inclusion.inclusion_tag_without_context_parameter, 'inclusion_tag_without_context_parameter')
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self.verify_tag(inclusion.inclusion_tag_use_l10n, 'inclusion_tag_use_l10n')
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self.verify_tag(inclusion.inclusion_tag_current_app, 'inclusion_tag_current_app')
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self.verify_tag(inclusion.inclusion_unlimited_args_kwargs, 'inclusion_unlimited_args_kwargs')
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@ignore_warnings(category=RemovedInDjango20Warning)
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def test_15070_current_app(self):
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"""
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Test that inclusion tag passes down `current_app` of context to the
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Context of the included/rendered template as well.
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"""
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c = template.Context({})
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t = template.Template('{% load inclusion %}{% inclusion_tag_current_app %}')
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self.assertEqual(t.render(c).strip(), 'None')
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# That part produces the deprecation warning
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c = template.Context({}, current_app='advanced')
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self.assertEqual(t.render(c).strip(), 'advanced')
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def test_15070_use_l10n(self):
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"""
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Test that inclusion tag passes down `use_l10n` of context to the
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Context of the included/rendered template as well.
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"""
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c = template.Context({})
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t = template.Template('{% load inclusion %}{% inclusion_tag_use_l10n %}')
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self.assertEqual(t.render(c).strip(), 'None')
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c.use_l10n = True
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self.assertEqual(t.render(c).strip(), 'True')
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def test_assignment_tags(self):
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c = template.Context({'value': 42})
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t = template.Template('{% load custom %}{% assignment_no_params as var %}The result is: {{ var }}')
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self.assertEqual(t.render(c), 'The result is: assignment_no_params - Expected result')
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t = template.Template('{% load custom %}{% assignment_one_param 37 as var %}The result is: {{ var }}')
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self.assertEqual(t.render(c), 'The result is: assignment_one_param - Expected result: 37')
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t = template.Template('{% load custom %}{% assignment_explicit_no_context 37 as var %}The result is: {{ var }}')
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self.assertEqual(t.render(c), 'The result is: assignment_explicit_no_context - Expected result: 37')
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t = template.Template('{% load custom %}{% assignment_no_params_with_context as var %}The result is: {{ var }}')
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self.assertEqual(t.render(c), 'The result is: assignment_no_params_with_context - Expected result (context value: 42)')
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t = template.Template('{% load custom %}{% assignment_params_and_context 37 as var %}The result is: {{ var }}')
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self.assertEqual(t.render(c), 'The result is: assignment_params_and_context - Expected result (context value: 42): 37')
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t = template.Template('{% load custom %}{% assignment_two_params 37 42 as var %}The result is: {{ var }}')
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self.assertEqual(t.render(c), 'The result is: assignment_two_params - Expected result: 37, 42')
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t = template.Template('{% load custom %}{% assignment_one_default 37 as var %}The result is: {{ var }}')
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self.assertEqual(t.render(c), 'The result is: assignment_one_default - Expected result: 37, hi')
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t = template.Template('{% load custom %}{% assignment_one_default 37 two="hello" as var %}The result is: {{ var }}')
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self.assertEqual(t.render(c), 'The result is: assignment_one_default - Expected result: 37, hello')
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t = template.Template('{% load custom %}{% assignment_one_default one=99 two="hello" as var %}The result is: {{ var }}')
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self.assertEqual(t.render(c), 'The result is: assignment_one_default - Expected result: 99, hello')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'assignment_one_default' received unexpected keyword argument 'three'",
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template.Template, '{% load custom %}{% assignment_one_default 99 two="hello" three="foo" as var %}')
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t = template.Template('{% load custom %}{% assignment_one_default 37 42 as var %}The result is: {{ var }}')
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self.assertEqual(t.render(c), 'The result is: assignment_one_default - Expected result: 37, 42')
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t = template.Template('{% load custom %}{% assignment_unlimited_args 37 as var %}The result is: {{ var }}')
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self.assertEqual(t.render(c), 'The result is: assignment_unlimited_args - Expected result: 37, hi')
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t = template.Template('{% load custom %}{% assignment_unlimited_args 37 42 56 89 as var %}The result is: {{ var }}')
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self.assertEqual(t.render(c), 'The result is: assignment_unlimited_args - Expected result: 37, 42, 56, 89')
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t = template.Template('{% load custom %}{% assignment_only_unlimited_args as var %}The result is: {{ var }}')
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self.assertEqual(t.render(c), 'The result is: assignment_only_unlimited_args - Expected result: ')
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t = template.Template('{% load custom %}{% assignment_only_unlimited_args 37 42 56 89 as var %}The result is: {{ var }}')
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self.assertEqual(t.render(c), 'The result is: assignment_only_unlimited_args - Expected result: 37, 42, 56, 89')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'assignment_one_param' tag takes at least 2 arguments and the second last argument must be 'as'",
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template.Template, '{% load custom %}{% assignment_one_param 37 %}The result is: {{ var }}')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'assignment_one_param' tag takes at least 2 arguments and the second last argument must be 'as'",
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template.Template, '{% load custom %}{% assignment_one_param 37 as %}The result is: {{ var }}')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'assignment_one_param' tag takes at least 2 arguments and the second last argument must be 'as'",
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template.Template, '{% load custom %}{% assignment_one_param 37 ass var %}The result is: {{ var }}')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'assignment_two_params' received too many positional arguments",
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template.Template, '{% load custom %}{% assignment_two_params 37 42 56 as var %}The result is: {{ var }}')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'assignment_one_default' received too many positional arguments",
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template.Template, '{% load custom %}{% assignment_one_default 37 42 56 as var %}The result is: {{ var }}')
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'assignment_one_default' did not receive value\(s\) for the argument\(s\): 'one'",
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template.Template, '{% load custom %}{% assignment_one_default as var %}The result is: {{ var }}')
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|
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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"'assignment_unlimited_args' did not receive value\(s\) for the argument\(s\): 'one'",
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template.Template, '{% load custom %}{% assignment_unlimited_args as var %}The result is: {{ var }}')
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|
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t = template.Template('{% load custom %}{% assignment_unlimited_args_kwargs 37 40|add:2 56 eggs="scrambled" four=1|add:3 as var %}The result is: {{ var }}')
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self.assertEqual(t.render(c), 'The result is: assignment_unlimited_args_kwargs - Expected result: 37, 42, 56 / eggs=scrambled, four=4')
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|
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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|
"'assignment_unlimited_args_kwargs' received some positional argument\(s\) after some keyword argument\(s\)",
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|
template.Template, '{% load custom %}{% assignment_unlimited_args_kwargs 37 40|add:2 eggs="scrambled" 56 four=1|add:3 as var %}The result is: {{ var }}')
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|
|
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six.assertRaisesRegex(self, template.TemplateSyntaxError,
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|
"'assignment_unlimited_args_kwargs' received multiple values for keyword argument 'eggs'",
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|
template.Template, '{% load custom %}{% assignment_unlimited_args_kwargs 37 eggs="scrambled" eggs="scrambled" as var %}The result is: {{ var }}')
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|
|
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def test_assignment_tag_registration(self):
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# Test that the decorators preserve the decorated function's docstring, name and attributes.
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self.verify_tag(custom.assignment_no_params, 'assignment_no_params')
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self.verify_tag(custom.assignment_one_param, 'assignment_one_param')
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self.verify_tag(custom.assignment_explicit_no_context, 'assignment_explicit_no_context')
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self.verify_tag(custom.assignment_no_params_with_context, 'assignment_no_params_with_context')
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self.verify_tag(custom.assignment_params_and_context, 'assignment_params_and_context')
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self.verify_tag(custom.assignment_one_default, 'assignment_one_default')
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self.verify_tag(custom.assignment_two_params, 'assignment_two_params')
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self.verify_tag(custom.assignment_unlimited_args, 'assignment_unlimited_args')
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self.verify_tag(custom.assignment_only_unlimited_args, 'assignment_only_unlimited_args')
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self.verify_tag(custom.assignment_unlimited_args, 'assignment_unlimited_args')
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self.verify_tag(custom.assignment_unlimited_args_kwargs, 'assignment_unlimited_args_kwargs')
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self.verify_tag(custom.assignment_tag_without_context_parameter, 'assignment_tag_without_context_parameter')
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|
|
|
def test_assignment_tag_missing_context(self):
|
|
# The 'context' parameter must be present when takes_context is True
|
|
six.assertRaisesRegex(self, template.TemplateSyntaxError,
|
|
"'assignment_tag_without_context_parameter' is decorated with takes_context=True so it must have a first argument of 'context'",
|
|
template.Template, '{% load custom %}{% assignment_tag_without_context_parameter 123 as var %}')
|