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73 lines
2.4 KiB
73 lines
2.4 KiB
# -*- coding: utf-8 -*-
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"""
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werkzeug.contrib.testtools
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~~~~~~~~~~~~~~~~~~~~~~~~~~
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This module implements extended wrappers for simplified testing.
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`TestResponse`
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A response wrapper which adds various cached attributes for
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simplified assertions on various content types.
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:copyright: (c) 2014 by the Werkzeug Team, see AUTHORS for more details.
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:license: BSD, see LICENSE for more details.
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"""
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from werkzeug.utils import cached_property, import_string
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from werkzeug.wrappers import Response
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from warnings import warn
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warn(DeprecationWarning('werkzeug.contrib.testtools is deprecated and '
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'will be removed with Werkzeug 1.0'))
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class ContentAccessors(object):
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"""
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A mixin class for response objects that provides a couple of useful
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accessors for unittesting.
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"""
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def xml(self):
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"""Get an etree if possible."""
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if 'xml' not in self.mimetype:
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raise AttributeError(
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'Not a XML response (Content-Type: %s)'
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% self.mimetype)
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for module in ['xml.etree.ElementTree', 'ElementTree',
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'elementtree.ElementTree']:
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etree = import_string(module, silent=True)
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if etree is not None:
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return etree.XML(self.body)
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raise RuntimeError('You must have ElementTree installed '
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'to use TestResponse.xml')
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xml = cached_property(xml)
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def lxml(self):
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"""Get an lxml etree if possible."""
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if ('html' not in self.mimetype and 'xml' not in self.mimetype):
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raise AttributeError('Not an HTML/XML response')
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from lxml import etree
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try:
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from lxml.html import fromstring
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except ImportError:
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fromstring = etree.HTML
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if self.mimetype == 'text/html':
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return fromstring(self.data)
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return etree.XML(self.data)
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lxml = cached_property(lxml)
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def json(self):
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"""Get the result of simplejson.loads if possible."""
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if 'json' not in self.mimetype:
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raise AttributeError('Not a JSON response')
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try:
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from simplejson import loads
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except ImportError:
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from json import loads
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return loads(self.data)
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json = cached_property(json)
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class TestResponse(Response, ContentAccessors):
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"""Pass this to `werkzeug.test.Client` for easier unittesting."""
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