# -*- coding: utf-8 -*-
"""
werkzeug.debug test
~~~~~~~~~~~~~~~~~~~
:copyright: (c) 2010 by the Werkzeug Team, see AUTHORS for more details.
:license: BSD license.
"""
import re
import sys
from werkzeug.debug.repr import debug_repr, DebugReprGenerator, dump, helper
from werkzeug.debug.console import HTMLStringO
def test_debug_repr():
"""Test the debug repr from the debug component"""
assert debug_repr([]) == u'[]'
assert debug_repr([1, 2]) == \
u'[1, 2]'
assert debug_repr([1, 'test']) == \
u'[1, \'test\']'
assert debug_repr([None]) == \
u'[None]'
assert debug_repr(list(range(20))) == (
u'[0, 1, '
u'2, 3, '
u'4, 5, '
u'6, 7, '
u'8, '
u'9, 10, '
u'11, 12, '
u'13, 14, '
u'15, 16, '
u'17, 18, '
u'19]'
)
assert debug_repr({}) == u'{}'
assert debug_repr({'foo': 42}) == \
u'{\'foo\''\
u': 42' \
u'}'
assert debug_repr(dict(zip(range(10), [None] * 10))) == \
u'{0: None, 1: None, 2: None, 3: None, 4: None, 5: None, 6: None, 7: None, 8: None, 9: None}'
assert debug_repr((1, 'zwei', u'drei')) ==\
u'(1, \'' \
u'zwei\', u\'drei\')'
class Foo(object):
def __repr__(self):
return ''
assert debug_repr(Foo()) == '<Foo 42>'
class MyList(list):
pass
assert debug_repr(MyList([1, 2])) == \
u'test_debug.MyList([' \
u'1, 2])'
assert debug_repr(re.compile(r'foo\d')) == \
u're.compile(r\'foo\\d\')'
assert debug_repr(re.compile(ur'foo\d')) == \
u're.compile(ur\'foo\\d\')'
assert debug_repr(frozenset('x')) == \
u'frozenset([\'x\'])'
assert debug_repr(set('x')) == \
u'set([\'x\'])'
a = [1]
a.append(a)
assert debug_repr(a) == u'[1, [...]]'
class Foo(object):
def __repr__(self):
1/0
assert debug_repr(Foo()) == \
u'<broken repr (ZeroDivisionError: ' \
u'integer division or modulo by zero)>'
def test_object_dumping():
"""Test debug object dumping to HTML"""
class Foo(object):
x = 42
y = 23
def __init__(self):
self.z = 15
drg = DebugReprGenerator()
out = drg.dump_object(Foo())
assert re.search('Details for test_debug.Foo object at', out)
assert re.search('| x | .*42(?s)', out)
assert re.search('y | .*23(?s)', out)
assert re.search('z | .*15(?s)', out)
out = drg.dump_object({'x': 42, 'y': 23})
assert re.search('Contents of', out)
assert re.search('x | .*42(?s)', out)
assert re.search('y | .*23(?s)', out)
out = drg.dump_object({'x': 42, 'y': 23, 23: 11})
assert not re.search('Contents of', out)
out = drg.dump_locals({'x': 42, 'y': 23})
assert re.search('Local variables in frame', out)
assert re.search('x | .*42(?s)', out)
assert re.search('y | .*23(?s)', out)
def test_debug_dump():
"""Test debug dump"""
old = sys.stdout
sys.stdout = HTMLStringO()
try:
dump([1, 2, 3])
x = sys.stdout.reset()
dump()
y = sys.stdout.reset()
finally:
sys.stdout = old
assert 'Details for list object at' in x
assert '1' in x
assert 'Local variables in frame' in y
assert 'x | ' in y
assert 'old | ' in y
def test_debug_help():
"""Test debug help"""
old = sys.stdout
sys.stdout = HTMLStringO()
try:
helper([1, 2, 3])
x = sys.stdout.reset()
finally:
sys.stdout = old
assert 'Help on list object' in x
assert '__delitem__' in x