"""

###################

# Empty QueryDict #

###################

>>> q = QueryDict('')

>>> q['foo']

Traceback (most recent call last):

...

MultiValueDictKeyError: "Key 'foo' not found in <MultiValueDict: {}>"

>>> q['something'] = 'bar'

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.get('foo', 'default')

'default'

>>> q.getlist('foo')

[]

>>> q.setlist('foo', ['bar', 'baz'])

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.appendlist('foo', ['bar'])

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.has_key('foo')

False

>>> q.items()

[]

>>> q.lists()

[]

>>> q.keys()

[]

>>> q.values()

[]

>>> len(q)

0

>>> q.update({'foo': 'bar'})

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.pop('foo')

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.popitem()

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.clear()

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.setdefault('foo', 'bar')

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.urlencode()

''

###################################

# Mutable copy of empty QueryDict #

###################################

>>> q = q.copy()

>>> q['foo']

Traceback (most recent call last):

...

MultiValueDictKeyError: "Key 'foo' not found in <MultiValueDict: {}>"

>>> q['name'] = 'john'

>>> q['name']

'john'

>>> q.get('foo', 'default')

'default'

>>> q.get('name', 'default')

'john'

>>> q.getlist('name')

['john']

>>> q.getlist('foo')

[]

>>> q.setlist('foo', ['bar', 'baz'])

>>> q.get('foo', 'default')

'baz'

>>> q.getlist('foo')

['bar', 'baz']

>>> q.appendlist('foo', 'another')

>>> q.getlist('foo')

['bar', 'baz', 'another']

>>> q['foo']

'another'

>>> q.has_key('foo')

True

>>> q.items()

[('foo', 'another'), ('name', 'john')]

>>> q.lists()

[('foo', ['bar', 'baz', 'another']), ('name', ['john'])]

>>> q.keys()

['foo', 'name']

>>> q.values()

['another', 'john']

>>> len(q)

2

>>> q.update({'foo': 'hello'})

# Displays last value

>>> q['foo']

'hello'

>>> q.get('foo', 'not available')

'hello'

>>> q.getlist('foo')

['bar', 'baz', 'another', 'hello']

>>> q.pop('foo')

['bar', 'baz', 'another', 'hello']

>>> q.get('foo', 'not there')

'not there'

>>> q.setdefault('foo', 'bar')

'bar'

>>> q['foo']

'bar'

>>> q.getlist('foo')

['bar']

>>> q.urlencode()

'foo=bar&name=john'

>>> q.clear()

>>> len(q)

0

#####################################

# QueryDict with one key/value pair #

#####################################

>>> q = QueryDict('foo=bar')

>>> q['foo']

'bar'

>>> q['bar']

Traceback (most recent call last):

...

MultiValueDictKeyError: "Key 'bar' not found in <MultiValueDict: {'foo': ['bar']}>"

>>> q['something'] = 'bar'

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.get('foo', 'default')

'bar'

>>> q.get('bar', 'default')

'default'

>>> q.getlist('foo')

['bar']

>>> q.getlist('bar')

[]

>>> q.setlist('foo', ['bar', 'baz'])

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.appendlist('foo', ['bar'])

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.has_key('foo')

True

>>> q.has_key('bar')

False

>>> q.items()

[('foo', 'bar')]

>>> q.lists()

[('foo', ['bar'])]

>>> q.keys()

['foo']

>>> q.values()

['bar']

>>> len(q)

1

>>> q.update({'foo': 'bar'})

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.pop('foo')

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.popitem()

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.clear()

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.setdefault('foo', 'bar')

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.urlencode()

'foo=bar'

#####################################################

# QueryDict with two key/value pairs with same keys #

#####################################################

>>> q = QueryDict('vote=yes&vote=no')

>>> q['vote']

'no'

>>> q['something'] = 'bar'

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.get('vote', 'default')

'no'

>>> q.get('foo', 'default')

'default'

>>> q.getlist('vote')

['yes', 'no']

>>> q.getlist('foo')

[]

>>> q.setlist('foo', ['bar', 'baz'])

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.appendlist('foo', ['bar'])

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.has_key('vote')

True

>>> q.has_key('foo')

False

>>> q.items()

[('vote', 'no')]

>>> q.lists()

[('vote', ['yes', 'no'])]

>>> q.keys()

['vote']

>>> q.values()

['no']

>>> len(q)

1

>>> q.update({'foo': 'bar'})

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.pop('foo')

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.popitem()

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.clear()

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.setdefault('foo', 'bar')

Traceback (most recent call last):

...

AttributeError: This QueryDict instance is immutable

>>> q.urlencode()

'vote=yes&vote=no'

"""

from django.http import QueryDict

if __name__ == "__main__":

    import doctest

    doctest.testmod()