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django/tests/regressiontests/forms/tests/media.py

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# -*- coding: utf-8 -*-
from django.forms import TextInput, Media, TextInput, CharField, Form, MultiWidget
from django.template import Template, Context
from django.test import TestCase
from django.test.utils import override_settings
class FormsMediaTestCase(TestCase):
"""Tests for the media handling on widgets and forms"""
def test_construction(self):
# Check construction of media objects
m = Media(css={'all': ('path/to/css1','/path/to/css2')}, js=('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3'))
self.assertEqual(str(m), """<link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>""")
class Foo:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
m3 = Media(Foo)
self.assertEqual(str(m3), """<link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>""")
# A widget can exist without a media definition
class MyWidget(TextInput):
pass
w = MyWidget()
self.assertEqual(str(w.media), '')
def test_media_dsl(self):
###############################################################
# DSL Class-based media definitions
###############################################################
# A widget can define media if it needs to.
# Any absolute path will be preserved; relative paths are combined
# with the value of settings.MEDIA_URL
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
w1 = MyWidget1()
self.assertEqual(str(w1.media), """<link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>""")
# Media objects can be interrogated by media type
self.assertEqual(str(w1.media['css']), """<link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />""")
self.assertEqual(str(w1.media['js']), """<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>""")
def test_combine_media(self):
# Media objects can be combined. Any given media resource will appear only
# once. Duplicated media definitions are ignored.
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
class MyWidget2(TextInput):
class Media:
css = {
'all': ('/path/to/css2','/path/to/css3')
}
js = ('/path/to/js1','/path/to/js4')
class MyWidget3(TextInput):
class Media:
css = {
'all': ('/path/to/css3','path/to/css1')
}
js = ('/path/to/js1','/path/to/js4')
w1 = MyWidget1()
w2 = MyWidget2()
w3 = MyWidget3()
self.assertEqual(str(w1.media + w2.media + w3.media), """<link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
# Check that media addition hasn't affected the original objects
self.assertEqual(str(w1.media), """<link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>""")
# Regression check for #12879: specifying the same CSS or JS file
# multiple times in a single Media instance should result in that file
# only being included once.
class MyWidget4(TextInput):
class Media:
css = {'all': ('/path/to/css1', '/path/to/css1')}
js = ('/path/to/js1', '/path/to/js1')
w4 = MyWidget4()
self.assertEqual(str(w4.media), """<link href="/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>""")
def test_media_property(self):
###############################################################
# Property-based media definitions
###############################################################
# Widget media can be defined as a property
class MyWidget4(TextInput):
def _media(self):
return Media(css={'all': ('/some/path',)}, js = ('/some/js',))
media = property(_media)
w4 = MyWidget4()
self.assertEqual(str(w4.media), """<link href="/some/path" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/some/js"></script>""")
# Media properties can reference the media of their parents
class MyWidget5(MyWidget4):
def _media(self):
return super(MyWidget5, self).media + Media(css={'all': ('/other/path',)}, js = ('/other/js',))
media = property(_media)
w5 = MyWidget5()
self.assertEqual(str(w5.media), """<link href="/some/path" type="text/css" media="all" rel="stylesheet" />
<link href="/other/path" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/some/js"></script>
<script type="text/javascript" src="/other/js"></script>""")
def test_media_property_parent_references(self):
# Media properties can reference the media of their parents,
# even if the parent media was defined using a class
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
class MyWidget6(MyWidget1):
def _media(self):
return super(MyWidget6, self).media + Media(css={'all': ('/other/path',)}, js = ('/other/js',))
media = property(_media)
w6 = MyWidget6()
self.assertEqual(str(w6.media), """<link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/other/path" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/other/js"></script>""")
def test_media_inheritance(self):
###############################################################
# Inheritance of media
###############################################################
# If a widget extends another but provides no media definition, it inherits the parent widget's media
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
class MyWidget7(MyWidget1):
pass
w7 = MyWidget7()
self.assertEqual(str(w7.media), """<link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>""")
# If a widget extends another but defines media, it extends the parent widget's media by default
class MyWidget8(MyWidget1):
class Media:
css = {
'all': ('/path/to/css3','path/to/css1')
}
js = ('/path/to/js1','/path/to/js4')
w8 = MyWidget8()
self.assertEqual(str(w8.media), """<link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
def test_media_inheritance_from_property(self):
# If a widget extends another but defines media, it extends the parents widget's media,
# even if the parent defined media using a property.
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
class MyWidget4(TextInput):
def _media(self):
return Media(css={'all': ('/some/path',)}, js = ('/some/js',))
media = property(_media)
class MyWidget9(MyWidget4):
class Media:
css = {
'all': ('/other/path',)
}
js = ('/other/js',)
w9 = MyWidget9()
self.assertEqual(str(w9.media), """<link href="/some/path" type="text/css" media="all" rel="stylesheet" />
<link href="/other/path" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/some/js"></script>
<script type="text/javascript" src="/other/js"></script>""")
# A widget can disable media inheritance by specifying 'extend=False'
class MyWidget10(MyWidget1):
class Media:
extend = False
css = {
'all': ('/path/to/css3','path/to/css1')
}
js = ('/path/to/js1','/path/to/js4')
w10 = MyWidget10()
self.assertEqual(str(w10.media), """<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
def test_media_inheritance_extends(self):
# A widget can explicitly enable full media inheritance by specifying 'extend=True'
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
class MyWidget11(MyWidget1):
class Media:
extend = True
css = {
'all': ('/path/to/css3','path/to/css1')
}
js = ('/path/to/js1','/path/to/js4')
w11 = MyWidget11()
self.assertEqual(str(w11.media), """<link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
def test_media_inheritance_single_type(self):
# A widget can enable inheritance of one media type by specifying extend as a tuple
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
class MyWidget12(MyWidget1):
class Media:
extend = ('css',)
css = {
'all': ('/path/to/css3','path/to/css1')
}
js = ('/path/to/js1','/path/to/js4')
w12 = MyWidget12()
self.assertEqual(str(w12.media), """<link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
def test_multi_media(self):
###############################################################
# Multi-media handling for CSS
###############################################################
# A widget can define CSS media for multiple output media types
class MultimediaWidget(TextInput):
class Media:
css = {
'screen, print': ('/file1','/file2'),
'screen': ('/file3',),
'print': ('/file4',)
}
js = ('/path/to/js1','/path/to/js4')
multimedia = MultimediaWidget()
self.assertEqual(str(multimedia.media), """<link href="/file4" type="text/css" media="print" rel="stylesheet" />
<link href="/file3" type="text/css" media="screen" rel="stylesheet" />
<link href="/file1" type="text/css" media="screen, print" rel="stylesheet" />
<link href="/file2" type="text/css" media="screen, print" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
def test_multi_widget(self):
###############################################################
# Multiwidget media handling
###############################################################
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
class MyWidget2(TextInput):
class Media:
css = {
'all': ('/path/to/css2','/path/to/css3')
}
js = ('/path/to/js1','/path/to/js4')
class MyWidget3(TextInput):
class Media:
css = {
'all': ('/path/to/css3','path/to/css1')
}
js = ('/path/to/js1','/path/to/js4')
# MultiWidgets have a default media definition that gets all the
# media from the component widgets
class MyMultiWidget(MultiWidget):
def __init__(self, attrs=None):
widgets = [MyWidget1, MyWidget2, MyWidget3]
super(MyMultiWidget, self).__init__(widgets, attrs)
mymulti = MyMultiWidget()
self.assertEqual(str(mymulti.media), """<link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
def test_form_media(self):
###############################################################
# Media processing for forms
###############################################################
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
class MyWidget2(TextInput):
class Media:
css = {
'all': ('/path/to/css2','/path/to/css3')
}
js = ('/path/to/js1','/path/to/js4')
class MyWidget3(TextInput):
class Media:
css = {
'all': ('/path/to/css3','path/to/css1')
}
js = ('/path/to/js1','/path/to/js4')
# You can ask a form for the media required by its widgets.
class MyForm(Form):
field1 = CharField(max_length=20, widget=MyWidget1())
field2 = CharField(max_length=20, widget=MyWidget2())
f1 = MyForm()
self.assertEqual(str(f1.media), """<link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
# Form media can be combined to produce a single media definition.
class AnotherForm(Form):
field3 = CharField(max_length=20, widget=MyWidget3())
f2 = AnotherForm()
self.assertEqual(str(f1.media + f2.media), """<link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
# Forms can also define media, following the same rules as widgets.
class FormWithMedia(Form):
field1 = CharField(max_length=20, widget=MyWidget1())
field2 = CharField(max_length=20, widget=MyWidget2())
class Media:
js = ('/some/form/javascript',)
css = {
'all': ('/some/form/css',)
}
f3 = FormWithMedia()
self.assertEqual(str(f3.media), """<link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<link href="/some/form/css" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/path/to/js4"></script>
<script type="text/javascript" src="/some/form/javascript"></script>""")
# Media works in templates
self.assertEqual(Template("{{ form.media.js }}{{ form.media.css }}").render(Context({'form': f3})), """<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/path/to/js4"></script>
<script type="text/javascript" src="/some/form/javascript"></script><link href="http://media.example.com/media/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<link href="/some/form/css" type="text/css" media="all" rel="stylesheet" />""")
FormsMediaTestCase = override_settings(
STATIC_URL=None,
MEDIA_URL='http://media.example.com/media/',
)(FormsMediaTestCase)
class StaticFormsMediaTestCase(TestCase):
"""Tests for the media handling on widgets and forms"""
def test_construction(self):
# Check construction of media objects
m = Media(css={'all': ('path/to/css1','/path/to/css2')}, js=('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3'))
self.assertEqual(str(m), """<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>""")
class Foo:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
m3 = Media(Foo)
self.assertEqual(str(m3), """<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>""")
# A widget can exist without a media definition
class MyWidget(TextInput):
pass
w = MyWidget()
self.assertEqual(str(w.media), '')
def test_media_dsl(self):
###############################################################
# DSL Class-based media definitions
###############################################################
# A widget can define media if it needs to.
# Any absolute path will be preserved; relative paths are combined
# with the value of settings.MEDIA_URL
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
w1 = MyWidget1()
self.assertEqual(str(w1.media), """<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>""")
# Media objects can be interrogated by media type
self.assertEqual(str(w1.media['css']), """<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />""")
self.assertEqual(str(w1.media['js']), """<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>""")
def test_combine_media(self):
# Media objects can be combined. Any given media resource will appear only
# once. Duplicated media definitions are ignored.
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
class MyWidget2(TextInput):
class Media:
css = {
'all': ('/path/to/css2','/path/to/css3')
}
js = ('/path/to/js1','/path/to/js4')
class MyWidget3(TextInput):
class Media:
css = {
'all': ('/path/to/css3','path/to/css1')
}
js = ('/path/to/js1','/path/to/js4')
w1 = MyWidget1()
w2 = MyWidget2()
w3 = MyWidget3()
self.assertEqual(str(w1.media + w2.media + w3.media), """<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
# Check that media addition hasn't affected the original objects
self.assertEqual(str(w1.media), """<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>""")
# Regression check for #12879: specifying the same CSS or JS file
# multiple times in a single Media instance should result in that file
# only being included once.
class MyWidget4(TextInput):
class Media:
css = {'all': ('/path/to/css1', '/path/to/css1')}
js = ('/path/to/js1', '/path/to/js1')
w4 = MyWidget4()
self.assertEqual(str(w4.media), """<link href="/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>""")
def test_media_property(self):
###############################################################
# Property-based media definitions
###############################################################
# Widget media can be defined as a property
class MyWidget4(TextInput):
def _media(self):
return Media(css={'all': ('/some/path',)}, js = ('/some/js',))
media = property(_media)
w4 = MyWidget4()
self.assertEqual(str(w4.media), """<link href="/some/path" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/some/js"></script>""")
# Media properties can reference the media of their parents
class MyWidget5(MyWidget4):
def _media(self):
return super(MyWidget5, self).media + Media(css={'all': ('/other/path',)}, js = ('/other/js',))
media = property(_media)
w5 = MyWidget5()
self.assertEqual(str(w5.media), """<link href="/some/path" type="text/css" media="all" rel="stylesheet" />
<link href="/other/path" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/some/js"></script>
<script type="text/javascript" src="/other/js"></script>""")
def test_media_property_parent_references(self):
# Media properties can reference the media of their parents,
# even if the parent media was defined using a class
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
class MyWidget6(MyWidget1):
def _media(self):
return super(MyWidget6, self).media + Media(css={'all': ('/other/path',)}, js = ('/other/js',))
media = property(_media)
w6 = MyWidget6()
self.assertEqual(str(w6.media), """<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/other/path" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/other/js"></script>""")
def test_media_inheritance(self):
###############################################################
# Inheritance of media
###############################################################
# If a widget extends another but provides no media definition, it inherits the parent widget's media
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
class MyWidget7(MyWidget1):
pass
w7 = MyWidget7()
self.assertEqual(str(w7.media), """<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>""")
# If a widget extends another but defines media, it extends the parent widget's media by default
class MyWidget8(MyWidget1):
class Media:
css = {
'all': ('/path/to/css3','path/to/css1')
}
js = ('/path/to/js1','/path/to/js4')
w8 = MyWidget8()
self.assertEqual(str(w8.media), """<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
def test_media_inheritance_from_property(self):
# If a widget extends another but defines media, it extends the parents widget's media,
# even if the parent defined media using a property.
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
class MyWidget4(TextInput):
def _media(self):
return Media(css={'all': ('/some/path',)}, js = ('/some/js',))
media = property(_media)
class MyWidget9(MyWidget4):
class Media:
css = {
'all': ('/other/path',)
}
js = ('/other/js',)
w9 = MyWidget9()
self.assertEqual(str(w9.media), """<link href="/some/path" type="text/css" media="all" rel="stylesheet" />
<link href="/other/path" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/some/js"></script>
<script type="text/javascript" src="/other/js"></script>""")
# A widget can disable media inheritance by specifying 'extend=False'
class MyWidget10(MyWidget1):
class Media:
extend = False
css = {
'all': ('/path/to/css3','path/to/css1')
}
js = ('/path/to/js1','/path/to/js4')
w10 = MyWidget10()
self.assertEqual(str(w10.media), """<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
def test_media_inheritance_extends(self):
# A widget can explicitly enable full media inheritance by specifying 'extend=True'
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
class MyWidget11(MyWidget1):
class Media:
extend = True
css = {
'all': ('/path/to/css3','path/to/css1')
}
js = ('/path/to/js1','/path/to/js4')
w11 = MyWidget11()
self.assertEqual(str(w11.media), """<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
def test_media_inheritance_single_type(self):
# A widget can enable inheritance of one media type by specifying extend as a tuple
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
class MyWidget12(MyWidget1):
class Media:
extend = ('css',)
css = {
'all': ('/path/to/css3','path/to/css1')
}
js = ('/path/to/js1','/path/to/js4')
w12 = MyWidget12()
self.assertEqual(str(w12.media), """<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
def test_multi_media(self):
###############################################################
# Multi-media handling for CSS
###############################################################
# A widget can define CSS media for multiple output media types
class MultimediaWidget(TextInput):
class Media:
css = {
'screen, print': ('/file1','/file2'),
'screen': ('/file3',),
'print': ('/file4',)
}
js = ('/path/to/js1','/path/to/js4')
multimedia = MultimediaWidget()
self.assertEqual(str(multimedia.media), """<link href="/file4" type="text/css" media="print" rel="stylesheet" />
<link href="/file3" type="text/css" media="screen" rel="stylesheet" />
<link href="/file1" type="text/css" media="screen, print" rel="stylesheet" />
<link href="/file2" type="text/css" media="screen, print" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
def test_multi_widget(self):
###############################################################
# Multiwidget media handling
###############################################################
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
class MyWidget2(TextInput):
class Media:
css = {
'all': ('/path/to/css2','/path/to/css3')
}
js = ('/path/to/js1','/path/to/js4')
class MyWidget3(TextInput):
class Media:
css = {
'all': ('/path/to/css3','path/to/css1')
}
js = ('/path/to/js1','/path/to/js4')
# MultiWidgets have a default media definition that gets all the
# media from the component widgets
class MyMultiWidget(MultiWidget):
def __init__(self, attrs=None):
widgets = [MyWidget1, MyWidget2, MyWidget3]
super(MyMultiWidget, self).__init__(widgets, attrs)
mymulti = MyMultiWidget()
self.assertEqual(str(mymulti.media), """<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
def test_form_media(self):
###############################################################
# Media processing for forms
###############################################################
class MyWidget1(TextInput):
class Media:
css = {
'all': ('path/to/css1','/path/to/css2')
}
js = ('/path/to/js1','http://media.other.com/path/to/js2','https://secure.other.com/path/to/js3')
class MyWidget2(TextInput):
class Media:
css = {
'all': ('/path/to/css2','/path/to/css3')
}
js = ('/path/to/js1','/path/to/js4')
class MyWidget3(TextInput):
class Media:
css = {
'all': ('/path/to/css3','path/to/css1')
}
js = ('/path/to/js1','/path/to/js4')
# You can ask a form for the media required by its widgets.
class MyForm(Form):
field1 = CharField(max_length=20, widget=MyWidget1())
field2 = CharField(max_length=20, widget=MyWidget2())
f1 = MyForm()
self.assertEqual(str(f1.media), """<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
# Form media can be combined to produce a single media definition.
class AnotherForm(Form):
field3 = CharField(max_length=20, widget=MyWidget3())
f2 = AnotherForm()
self.assertEqual(str(f1.media + f2.media), """<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/path/to/js4"></script>""")
# Forms can also define media, following the same rules as widgets.
class FormWithMedia(Form):
field1 = CharField(max_length=20, widget=MyWidget1())
field2 = CharField(max_length=20, widget=MyWidget2())
class Media:
js = ('/some/form/javascript',)
css = {
'all': ('/some/form/css',)
}
f3 = FormWithMedia()
self.assertEqual(str(f3.media), """<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<link href="/some/form/css" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/path/to/js4"></script>
<script type="text/javascript" src="/some/form/javascript"></script>""")
# Media works in templates
self.assertEqual(Template("{{ form.media.js }}{{ form.media.css }}").render(Context({'form': f3})), """<script type="text/javascript" src="/path/to/js1"></script>
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
<script type="text/javascript" src="/path/to/js4"></script>
<script type="text/javascript" src="/some/form/javascript"></script><link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
<link href="/some/form/css" type="text/css" media="all" rel="stylesheet" />""")
StaticFormsMediaTestCase = override_settings(
STATIC_URL='http://media.example.com/static/',
MEDIA_URL='http://media.example.com/media/',
)(StaticFormsMediaTestCase)
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