172 lines
7.7 KiB
Python
172 lines
7.7 KiB
Python
# -*- coding: utf-8 -*-
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"""
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werkzeug.testsuite.debug
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~~~~~~~~~~~~~~~~~~~~~~~~
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Tests some debug utilities.
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:copyright: (c) 2013 by Armin Ronacher.
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:license: BSD, see LICENSE for more details.
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"""
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import unittest
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import sys
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import re
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from werkzeug.testsuite import WerkzeugTestCase
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from werkzeug.debug.repr import debug_repr, DebugReprGenerator, \
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dump, helper
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from werkzeug.debug.console import HTMLStringO
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from werkzeug._compat import PY2
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class DebugReprTestCase(WerkzeugTestCase):
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def test_basic_repr(self):
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self.assert_equal(debug_repr([]), u'[]')
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self.assert_equal(debug_repr([1, 2]),
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u'[<span class="number">1</span>, <span class="number">2</span>]')
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self.assert_equal(debug_repr([1, 'test']),
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u'[<span class="number">1</span>, <span class="string">\'test\'</span>]')
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self.assert_equal(debug_repr([None]),
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u'[<span class="object">None</span>]')
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def test_sequence_repr(self):
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self.assert_equal(debug_repr(list(range(20))), (
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u'[<span class="number">0</span>, <span class="number">1</span>, '
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u'<span class="number">2</span>, <span class="number">3</span>, '
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u'<span class="number">4</span>, <span class="number">5</span>, '
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u'<span class="number">6</span>, <span class="number">7</span>, '
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u'<span class="extended"><span class="number">8</span>, '
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u'<span class="number">9</span>, <span class="number">10</span>, '
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u'<span class="number">11</span>, <span class="number">12</span>, '
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u'<span class="number">13</span>, <span class="number">14</span>, '
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u'<span class="number">15</span>, <span class="number">16</span>, '
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u'<span class="number">17</span>, <span class="number">18</span>, '
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u'<span class="number">19</span></span>]'
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))
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def test_mapping_repr(self):
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self.assert_equal(debug_repr({}), u'{}')
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self.assert_equal(debug_repr({'foo': 42}),
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u'{<span class="pair"><span class="key"><span class="string">\'foo\''
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u'</span></span>: <span class="value"><span class="number">42'
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u'</span></span></span>}')
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self.assert_equal(debug_repr(dict(zip(range(10), [None] * 10))),
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u'{<span class="pair"><span class="key"><span class="number">0</span></span>: <span class="value"><span class="object">None</span></span></span>, <span class="pair"><span class="key"><span class="number">1</span></span>: <span class="value"><span class="object">None</span></span></span>, <span class="pair"><span class="key"><span class="number">2</span></span>: <span class="value"><span class="object">None</span></span></span>, <span class="pair"><span class="key"><span class="number">3</span></span>: <span class="value"><span class="object">None</span></span></span>, <span class="extended"><span class="pair"><span class="key"><span class="number">4</span></span>: <span class="value"><span class="object">None</span></span></span>, <span class="pair"><span class="key"><span class="number">5</span></span>: <span class="value"><span class="object">None</span></span></span>, <span class="pair"><span class="key"><span class="number">6</span></span>: <span class="value"><span class="object">None</span></span></span>, <span class="pair"><span class="key"><span class="number">7</span></span>: <span class="value"><span class="object">None</span></span></span>, <span class="pair"><span class="key"><span class="number">8</span></span>: <span class="value"><span class="object">None</span></span></span>, <span class="pair"><span class="key"><span class="number">9</span></span>: <span class="value"><span class="object">None</span></span></span></span>}')
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self.assert_equal(
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debug_repr((1, 'zwei', u'drei')),
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u'(<span class="number">1</span>, <span class="string">\''
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u'zwei\'</span>, <span class="string">%s\'drei\'</span>)' % ('u' if PY2 else ''))
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def test_custom_repr(self):
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class Foo(object):
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def __repr__(self):
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return '<Foo 42>'
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self.assert_equal(debug_repr(Foo()),
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'<span class="object"><Foo 42></span>')
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def test_list_subclass_repr(self):
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class MyList(list):
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pass
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self.assert_equal(
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debug_repr(MyList([1, 2])),
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u'<span class="module">werkzeug.testsuite.debug.</span>MyList(['
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u'<span class="number">1</span>, <span class="number">2</span>])')
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def test_regex_repr(self):
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self.assert_equal(debug_repr(re.compile(r'foo\d')),
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u're.compile(<span class="string regex">r\'foo\\d\'</span>)')
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#XXX: no raw string here cause of a syntax bug in py3.3
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self.assert_equal(debug_repr(re.compile(u'foo\\d')),
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u're.compile(<span class="string regex">%sr\'foo\\d\'</span>)' %
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('u' if PY2 else ''))
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def test_set_repr(self):
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self.assert_equal(debug_repr(frozenset('x')),
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u'frozenset([<span class="string">\'x\'</span>])')
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self.assert_equal(debug_repr(set('x')),
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u'set([<span class="string">\'x\'</span>])')
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def test_recursive_repr(self):
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a = [1]
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a.append(a)
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self.assert_equal(debug_repr(a),
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u'[<span class="number">1</span>, [...]]')
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def test_broken_repr(self):
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class Foo(object):
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def __repr__(self):
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raise Exception('broken!')
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self.assert_equal(
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debug_repr(Foo()),
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u'<span class="brokenrepr"><broken repr (Exception: '
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u'broken!)></span>')
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class Foo(object):
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x = 42
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y = 23
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def __init__(self):
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self.z = 15
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class DebugHelpersTestCase(WerkzeugTestCase):
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def test_object_dumping(self):
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drg = DebugReprGenerator()
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out = drg.dump_object(Foo())
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assert re.search('Details for werkzeug.testsuite.debug.Foo object at', out)
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assert re.search('<th>x.*<span class="number">42</span>(?s)', out)
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assert re.search('<th>y.*<span class="number">23</span>(?s)', out)
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assert re.search('<th>z.*<span class="number">15</span>(?s)', out)
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out = drg.dump_object({'x': 42, 'y': 23})
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assert re.search('Contents of', out)
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assert re.search('<th>x.*<span class="number">42</span>(?s)', out)
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assert re.search('<th>y.*<span class="number">23</span>(?s)', out)
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out = drg.dump_object({'x': 42, 'y': 23, 23: 11})
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assert not re.search('Contents of', out)
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out = drg.dump_locals({'x': 42, 'y': 23})
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assert re.search('Local variables in frame', out)
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assert re.search('<th>x.*<span class="number">42</span>(?s)', out)
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assert re.search('<th>y.*<span class="number">23</span>(?s)', out)
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def test_debug_dump(self):
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old = sys.stdout
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sys.stdout = HTMLStringO()
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try:
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dump([1, 2, 3])
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x = sys.stdout.reset()
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dump()
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y = sys.stdout.reset()
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finally:
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sys.stdout = old
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self.assert_in('Details for list object at', x)
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self.assert_in('<span class="number">1</span>', x)
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self.assert_in('Local variables in frame', y)
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self.assert_in('<th>x', y)
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self.assert_in('<th>old', y)
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def test_debug_help(self):
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old = sys.stdout
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sys.stdout = HTMLStringO()
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try:
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helper([1, 2, 3])
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x = sys.stdout.reset()
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finally:
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sys.stdout = old
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self.assert_in('Help on list object', x)
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self.assert_in('__delitem__', x)
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def suite():
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suite = unittest.TestSuite()
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suite.addTest(unittest.makeSuite(DebugReprTestCase))
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suite.addTest(unittest.makeSuite(DebugHelpersTestCase))
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return suite
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