/usr/lib/python2.7/dist-packages/zope/exceptions/tests/test_exceptionformatter.py is in python-zope.exceptions 4.0.8-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""ExceptionFormatter tests.
"""
import unittest
import doctest
import sys
class TextExceptionFormatterTests(unittest.TestCase):
def _getTargetClass(self):
from zope.exceptions.exceptionformatter import TextExceptionFormatter
return TextExceptionFormatter
def _makeOne(self, *args, **kw):
return self._getTargetClass()(*args, **kw)
def test_ctor_defaults(self):
fmt = self._makeOne()
self.assertEqual(fmt.line_sep, '\n')
self.assertEqual(fmt.limit, None)
self.assertEqual(fmt.with_filenames, False)
def test_ctor_explicit(self):
fmt = self._makeOne(limit=20, with_filenames=True)
self.assertEqual(fmt.line_sep, '\n')
self.assertEqual(fmt.limit, 20)
self.assertEqual(fmt.with_filenames, True)
def test_escape(self):
fmt = self._makeOne()
self.assertEqual(fmt.escape('XXX'), 'XXX')
def test_getPrefix(self):
fmt = self._makeOne()
self.assertEqual(fmt.getPrefix(),
'Traceback (most recent call last):')
def test_getLimit_default(self):
fmt = self._makeOne()
self.assertEqual(fmt.getLimit(), 200)
def test_getLimit_sys_has_limit(self):
import sys
fmt = self._makeOne()
with _Monkey(sys, tracebacklimit=15):
self.assertEqual(fmt.getLimit(), 15)
def test_getLimit_explicit(self):
fmt = self._makeOne(limit=10)
self.assertEqual(fmt.getLimit(), 10)
def test_formatSupplementLine(self):
fmt = self._makeOne()
self.assertEqual(fmt.formatSupplementLine('XXX'), ' - XXX')
def test_formatSourceURL(self):
fmt = self._makeOne()
self.assertEqual(fmt.formatSourceURL('http://example.com/'),
[' - http://example.com/'])
def test_formatSupplement_no_info(self):
fmt = self._makeOne()
supplement = DummySupplement()
self.assertEqual(fmt.formatSupplement(supplement, tb=None), [])
def test_formatSupplement_w_source_url(self):
fmt = self._makeOne()
supplement = DummySupplement()
supplement.source_url = 'http://example.com/'
self.assertEqual(fmt.formatSupplement(supplement, tb=None),
[' - http://example.com/'])
def test_formatSupplement_w_line_as_marker(self):
fmt = self._makeOne()
supplement = DummySupplement()
supplement.line = -1
tb = DummyTB()
self.assertEqual(fmt.formatSupplement(supplement, tb=tb),
[' - Line 14'])
def test_formatSupplement_w_line_no_column(self):
fmt = self._makeOne()
supplement = DummySupplement()
supplement.line = 23
self.assertEqual(fmt.formatSupplement(supplement, tb=None),
[' - Line 23'])
def test_formatSupplement_w_column_no_line(self):
fmt = self._makeOne()
supplement = DummySupplement()
supplement.column = 47
self.assertEqual(fmt.formatSupplement(supplement, tb=None),
[' - Column 47'])
def test_formatSupplement_w_line_and_column(self):
fmt = self._makeOne()
supplement = DummySupplement()
supplement.line = 23
supplement.column = 47
self.assertEqual(fmt.formatSupplement(supplement, tb=None),
[' - Line 23, Column 47'])
def test_formatSupplement_w_expression(self):
fmt = self._makeOne()
supplement = DummySupplement()
supplement.expression = 'a*x^2 + b*x + c'
self.assertEqual(fmt.formatSupplement(supplement, tb=None),
[' - Expression: a*x^2 + b*x + c'])
def test_formatSupplement_w_warnings(self):
fmt = self._makeOne()
supplement = DummySupplement()
supplement.warnings = ['Beware the ides of March!',
'You\'re gonna get wasted.',
]
self.assertEqual(fmt.formatSupplement(supplement, tb=None),
[' - Warning: Beware the ides of March!',
' - Warning: You\'re gonna get wasted.',
])
def test_formatSupplement_w_getInfo_empty(self):
fmt = self._makeOne()
supplement = DummySupplement()
self.assertEqual(fmt.formatSupplement(supplement, tb=None), [])
def test_formatSupplement_w_getInfo_text(self):
INFO = 'Some days\nI wish I had stayed in bed.'
fmt = self._makeOne()
supplement = DummySupplement(INFO)
self.assertEqual(fmt.formatSupplement(supplement, tb=None), [INFO])
def test_formatSupplementInfo(self):
INFO = 'Some days\nI wish I had stayed in bed.'
fmt = self._makeOne()
self.assertEqual(fmt.formatSupplementInfo(INFO), INFO)
def test_formatTracebackInfo(self):
fmt = self._makeOne()
self.assertEqual(fmt.formatTracebackInfo('XYZZY'),
' - __traceback_info__: XYZZY')
def test_formatLine_no_tb_no_f(self):
fmt = self._makeOne()
self.assertRaises(ValueError, fmt.formatLine, None, None)
def test_formatLine_w_tb_and_f(self):
fmt = self._makeOne()
tb = DummyTB()
f = DummyFrame()
self.assertRaises(ValueError, fmt.formatLine, tb, f)
def test_formatLine_w_tb_bogus_linecache_w_filenames(self):
fmt = self._makeOne(with_filenames=True)
tb = DummyTB()
tb.tb_frame = f = DummyFrame()
lines = fmt.formatLine(tb).splitlines()
self.assertEqual(len(lines), 1)
self.assertEqual(lines[0],
' File "%s", line %d, in %s'
% (f.f_code.co_filename,
tb.tb_lineno,
f.f_code.co_name,
))
def test_formatLine_w_f_bogus_linecache_w_filenames(self):
fmt = self._makeOne(with_filenames=True)
f = DummyFrame()
lines = fmt.formatLine(f=f).splitlines()
self.assertEqual(len(lines), 1)
self.assertEqual(lines[0],
' File "%s", line %d, in %s'
% (f.f_code.co_filename,
f.f_lineno,
f.f_code.co_name,
))
def test_formatLine_w_tb_bogus_linecache_wo_filenames(self):
fmt = self._makeOne(with_filenames=False)
tb = DummyTB()
tb.tb_frame = f = DummyFrame()
f.f_globals['__name__'] = 'dummy.filename'
lines = fmt.formatLine(tb).splitlines()
self.assertEqual(len(lines), 1)
self.assertEqual(lines[0],
' Module dummy.filename, line %d, in %s'
% (tb.tb_lineno,
f.f_code.co_name,
))
def test_formatLine_w_f_real_linecache_w_filenames(self):
import sys
fmt = self._makeOne(with_filenames=True)
f = sys._getframe(); lineno = f.f_lineno
result = fmt.formatLine(f=f)
lines = result.splitlines()
self.assertEqual(len(lines), 2)
self.assertEqual(lines[0],
' File "%s", line %d, in %s'
% (f.f_code.co_filename,
lineno + 1,
f.f_code.co_name,
))
self.assertEqual(lines[1],
' result = fmt.formatLine(f=f)')
def test_formatLine_w_supplement_in_locals(self):
INFO_L = 'I wish I had stayed in bed.'
INFO_G = 'I would rather soak my head.'
fmt = self._makeOne(with_filenames=False)
tb = DummyTB()
tb.tb_frame = f = DummyFrame()
f.f_globals['__name__'] = 'dummy.filename'
f.f_locals['__traceback_supplement__'] = (DummySupplement, INFO_L)
f.f_globals['__traceback_supplement__'] = (DummySupplement, INFO_G)
lines = fmt.formatLine(tb).splitlines()
self.assertEqual(len(lines), 2)
self.assertEqual(lines[1], INFO_L)
def test_formatLine_w_supplement_in_globals(self):
INFO_G = 'I would rather soak my head.'
fmt = self._makeOne(with_filenames=False)
tb = DummyTB()
tb.tb_frame = f = DummyFrame()
f.f_globals['__name__'] = 'dummy.filename'
f.f_globals['__traceback_supplement__'] = (DummySupplement, INFO_G)
lines = fmt.formatLine(tb).splitlines()
self.assertEqual(len(lines), 2)
self.assertEqual(lines[1], INFO_G)
def test_formatLine_w_traceback_info(self):
INFO_T = 'I would rather soak my head.'
fmt = self._makeOne(with_filenames=False)
tb = DummyTB()
tb.tb_frame = f = DummyFrame()
f.f_globals['__name__'] = 'dummy.filename'
f.f_locals['__traceback_info__'] = INFO_T
lines = fmt.formatLine(tb).splitlines()
self.assertEqual(len(lines), 2)
self.assertEqual(lines[1], ' - __traceback_info__: %s' % INFO_T)
def test_formatExceptionOnly(self):
import traceback
fmt = self._makeOne()
err = ValueError('testing')
self.assertEqual(fmt.formatExceptionOnly(ValueError, err),
''.join(
traceback.format_exception_only(ValueError, err)))
def test_formatLastLine(self):
fmt = self._makeOne()
self.assertEqual(fmt.formatLastLine('XXX'), 'XXX')
def test_formatException_empty_tb_stack(self):
import traceback
fmt = self._makeOne()
err = ValueError('testing')
lines = fmt.formatException(ValueError, err, None)
self.assertEqual(len(lines), 2)
self.assertEqual(lines[0], 'Traceback (most recent call last):\n')
self.assertEqual(lines[1],
''.join(
traceback.format_exception_only(ValueError, err)))
def test_formatException_non_empty_tb_stack(self):
import traceback
fmt = self._makeOne()
err = ValueError('testing')
tb = DummyTB()
tb.tb_frame = DummyFrame()
lines = fmt.formatException(ValueError, err, tb)
self.assertEqual(len(lines), 3)
self.assertEqual(lines[0], 'Traceback (most recent call last):\n')
self.assertEqual(lines[1], ' Module dummy/filename.py, line 14, '
'in dummy_function\n')
self.assertEqual(lines[2],
''.join(
traceback.format_exception_only(ValueError, err)))
def test_formatException_deep_tb_stack_with_limit(self):
import traceback
fmt = self._makeOne(limit=4)
err = ValueError('testing')
tb = self._makeTBs(10)
lines = fmt.formatException(ValueError, err, tb)
self.assertEqual(len(lines), 7)
expected = [
'Traceback (most recent call last):\n',
' Module dummy/filename.py, line 4345, in dummy_function\n',
' Module dummy/filename.py, line 2287, in dummy_function\n',
('...\n'
'6 entries omitted, because limit is 4.\n'
'Set sys.tracebacklimit or TextExceptionFormatter.limit to'
' a higher value to see omitted entries\n'
'...'),
' Module dummy/filename.py, line 26, in dummy_function\n',
' Module dummy/filename.py, line 14, in dummy_function\n',
''.join(traceback.format_exception_only(ValueError, err))
]
self.assertEqual(lines, expected)
def test_formatException_recursion_in_tb_stack(self):
import traceback
fmt = self._makeOne()
err = ValueError('testing')
tb_recurse = DummyTB()
tb_recurse.tb_lineno = 27
r_f = tb_recurse.tb_frame = DummyFrame()
r_f.f_lineno = 27
r_f.f_locals['__exception_formatter__'] = 1
tb = DummyTB()
tb.tb_frame = DummyFrame()
tb.tb_next = tb_recurse
lines = fmt.formatException(ValueError, err, tb)
self.assertEqual(len(lines), 5)
self.assertEqual(lines[0], 'Traceback (most recent call last):\n')
self.assertEqual(lines[1], ' Module dummy/filename.py, line 14, '
'in dummy_function\n')
self.assertEqual(lines[2], '(Recursive formatException() stopped, '
'trying traceback.format_tb)\n')
self.assertEqual(lines[3], ' File "dummy/filename.py", line 27, '
'in dummy_function\n')
self.assertEqual(lines[4],
''.join(
traceback.format_exception_only(ValueError, err)))
def test_extractStack_wo_frame(self):
import sys
fmt = self._makeOne()
f = sys._getframe(); lineno = f.f_lineno
lines = fmt.extractStack()
# rather don't assert this here
# self.assertEqual(len(lines), 10)
self.assertEqual(lines[-1], ' Module '
'zope.exceptions.tests.test_exceptionformatter, '
'line %d, in test_extractStack_wo_frame\n'
' lines = fmt.extractStack()\n' % (lineno + 1))
def test_extractStack_wo_frame_w_limit(self):
import sys
fmt = self._makeOne(limit=2)
f = sys._getframe(); lineno = f.f_lineno
lines = fmt.extractStack()
self.assertEqual(len(lines), 3)
self.assertEqual(lines[-1], ' Module '
'zope.exceptions.tests.test_exceptionformatter, '
'line %d, in test_extractStack_wo_frame_w_limit\n'
' lines = fmt.extractStack()\n' % (lineno + 1))
def test_extractStack_w_single_frame(self):
fmt = self._makeOne()
f = DummyFrame()
lines = fmt.extractStack(f)
self.assertEqual(len(lines), 1)
self.assertEqual(lines[0], ' Module dummy/filename.py, line 137, '
'in dummy_function\n')
def test_extractStack_w_multiple_frames_and_limit(self):
fmt = self._makeOne(limit=2)
f = self._makeFrames(10)
lines = fmt.extractStack(f)
self.assertEqual(len(lines), 3)
expected = [
' Module dummy/filename.py, line 17, in dummy_function\n',
'...8 entries omitted, because limit is 2...\n',
' Module dummy/filename.py, line 1126, in dummy_function\n',
]
self.assertEqual(expected, lines)
def test_extractStack_w_recursive_frames(self):
fmt = self._makeOne()
f = self._makeFrames(3)
f.f_back.f_locals['__exception_formatter__'] = 1
lines = fmt.extractStack(f)
self.assertEqual(len(lines), 4)
expected = [
' File "dummy/filename.py", line 17, in dummy_function\n',
' File "dummy/filename.py", line 27, in dummy_function\n',
'(Recursive extractStack() stopped, trying traceback.format_stack)\n',
' Module dummy/filename.py, line 43, in dummy_function\n',
]
self.assertEqual(expected, lines)
def test_extractStack_w_recursive_frames_and_limit(self):
fmt = self._makeOne(limit=2)
f = self._makeFrames(3)
f.f_back.f_locals['__exception_formatter__'] = 1
lines = fmt.extractStack(f)
self.assertEqual(len(lines), 3)
expected = [
' File "dummy/filename.py", line 17, in dummy_function\n',
'...2 entries omitted, because limit is 2...\n',
' Module dummy/filename.py, line 43, in dummy_function\n',
]
self.assertEqual(expected, lines)
def _makeTBs(self, count):
prev = None
for i in range(count):
tb = DummyTB()
tb.tb_lineno = 14
tb.tb_frame = DummyFrame()
if prev is not None:
tb.tb_lineno = int(prev.tb_lineno * 1.9)
tb.tb_next = prev
prev = tb
return tb
def _makeFrames(self, count):
prev = None
for i in range(count):
f = DummyFrame()
f.f_lineno = 17
if prev is not None:
f.f_lineno = int(prev.f_lineno * 1.6)
f.f_back = prev
prev = f
return f
class HTMLExceptionFormatterTests(unittest.TestCase):
def _getTargetClass(self):
from zope.exceptions.exceptionformatter import HTMLExceptionFormatter
return HTMLExceptionFormatter
def _makeOne(self, *args, **kw):
return self._getTargetClass()(*args, **kw)
def test_ctor_defaults(self):
fmt = self._makeOne()
self.assertEqual(fmt.line_sep, '<br />\r\n')
self.assertEqual(fmt.limit, None)
self.assertEqual(fmt.with_filenames, False)
def test_ctor_explicit(self):
fmt = self._makeOne(limit=20, with_filenames=True)
self.assertEqual(fmt.line_sep, '<br />\r\n')
self.assertEqual(fmt.limit, 20)
self.assertEqual(fmt.with_filenames, True)
def test_escape_simple(self):
fmt = self._makeOne()
self.assertEqual(fmt.escape('XXX'), 'XXX')
def test_escape_w_markup(self):
fmt = self._makeOne()
self.assertEqual(fmt.escape('<span>XXX & YYY<span>'),
'<span>XXX & YYY<span>')
def test_getPrefix(self):
fmt = self._makeOne()
self.assertEqual(fmt.getPrefix(),
'<p>Traceback (most recent call last):</p>\r\n<ul>')
def test_formatSupplementLine(self):
fmt = self._makeOne()
self.assertEqual(fmt.formatSupplementLine('XXX'), '<b>XXX</b>')
def test_formatSupplementLine_w_markup(self):
fmt = self._makeOne()
self.assertEqual(fmt.formatSupplementLine('XXX & YYY'),
'<b>XXX & YYY</b>')
def test_formatSupplementInfo_simple(self):
INFO = 'Some days\nI wonder.'
fmt = self._makeOne()
self.assertEqual(fmt.formatSupplementInfo(INFO),
'Some days<br />\r\nI wonder.')
def test_formatSupplementInfo_w_markup(self):
INFO = 'Some days\nI wonder, <b>Why?</b>.'
fmt = self._makeOne()
self.assertEqual(fmt.formatSupplementInfo(INFO),
'Some days<br />\r\nI wonder, '
'<b>Why?</b>.')
def test_formatTracebackInfo(self):
fmt = self._makeOne()
self.assertEqual(fmt.formatTracebackInfo('XXX & YYY\nZZZ'),
'__traceback_info__: XXX & YYY<br />\r\nZZZ')
def test_formatLine_simple(self):
fmt = self._makeOne(with_filenames=True)
tb = DummyTB()
tb.tb_frame = f = DummyFrame()
result = fmt.formatLine(tb)
self.assertEqual(result,
'<li> File "%s", line %d, in %s</li>'
% (f.f_code.co_filename,
tb.tb_lineno,
f.f_code.co_name,
))
def test_formatLastLine(self):
fmt = self._makeOne()
self.assertEqual(fmt.formatLastLine('XXX'), '</ul><p>XXX</p>')
class Test_format_exception(unittest.TestCase):
def _callFUT(self, as_html=False):
import sys
from zope.exceptions.exceptionformatter import format_exception
t, v, b = sys.exc_info()
try:
return ''.join(format_exception(t, v, b, as_html=as_html))
finally:
del b
def test_basic_names_text(self):
try:
raise ExceptionForTesting
except ExceptionForTesting:
s = self._callFUT(False)
# The traceback should include the name of this function.
self.assertTrue(s.find('test_basic_names_text') >= 0)
# The traceback should include the name of the exception.
self.assertTrue(s.find('ExceptionForTesting') >= 0)
def test_basic_names_html(self):
try:
raise ExceptionForTesting
except ExceptionForTesting:
s = self._callFUT(True)
# The traceback should include the name of this function.
self.assertTrue(s.find('test_basic_names_html') >= 0)
# The traceback should include the name of the exception.
self.assertTrue(s.find('ExceptionForTesting') >= 0)
def test_traceback_info_text(self):
try:
__traceback_info__ = "Adam & Eve"
raise ExceptionForTesting
except ExceptionForTesting:
s = self._callFUT(False)
self.assertTrue(s.find('Adam & Eve') >= 0, s)
def test_traceback_info_html(self):
try:
__traceback_info__ = "Adam & Eve"
raise ExceptionForTesting
except ExceptionForTesting:
s = self._callFUT(True)
# Be sure quoting is happening.
self.assertTrue(s.find('Adam & Eve') >= 0, s)
def test_traceback_info_is_tuple(self):
try:
__traceback_info__ = ("Adam", "Eve")
raise ExceptionForTesting
except ExceptionForTesting:
s = self._callFUT(False)
self.assertTrue(s.find('Adam') >= 0, s)
self.assertTrue(s.find('Eve') >= 0, s)
def test_supplement_text(self, as_html=0):
try:
__traceback_supplement__ = (TestingTracebackSupplement,
"You're one in a million")
raise ExceptionForTesting
except ExceptionForTesting:
s = self._callFUT(as_html)
# The source URL
self.assertTrue(s.find('/somepath') >= 0, s)
# The line number
self.assertTrue(s.find('634') >= 0, s)
# The column number
self.assertTrue(s.find('57') >= 0, s)
# The expression
self.assertTrue(s.find("You're one in a million") >= 0, s)
# The warning
self.assertTrue(s.find("Repent, for the end is nigh") >= 0, s)
def test_supplement_html(self):
try:
__traceback_supplement__ = (TestingTracebackSupplement,
"You're one in a million")
raise ExceptionForTesting
except ExceptionForTesting:
s = self._callFUT(True)
# The source URL
self.assertTrue(s.find('/somepath') >= 0, s)
# The line number
self.assertTrue(s.find('634') >= 0, s)
# The column number
self.assertTrue(s.find('57') >= 0, s)
# The expression
self.assertTrue(s.find("You're one in a million") >= 0, s)
# The warning
self.assertTrue(s.find("Repent, for the end is nigh") >= 0, s)
def test_multiple_levels(self):
# Ensure many levels are shown in a traceback.
HOW_MANY = 10
def f(n):
"""Produces a (n + 1)-level traceback."""
__traceback_info__ = 'level%d' % n
if n > 0:
f(n - 1)
else:
raise ExceptionForTesting
try:
f(HOW_MANY)
except ExceptionForTesting:
s = self._callFUT(False)
for n in range(HOW_MANY+1):
self.assertTrue(s.find('level%d' % n) >= 0, s)
def test_quote_last_line(self):
class C(object):
pass
try:
raise TypeError(C())
except:
s = self._callFUT(True)
self.assertTrue(s.find('<') >= 0, s)
self.assertTrue(s.find('>') >= 0, s)
def test_multiline_exception(self):
try:
exec('syntax error\n')
except Exception:
s = self._callFUT(False)
lines = s.splitlines()[-3:]
self.assertEqual(lines[0], ' syntax error')
self.assertTrue(lines[1].endswith(' ^')) #PyPy has a shorter prefix
self.assertEqual(lines[2], 'SyntaxError: invalid syntax')
def test_recursion_failure(self):
import sys
from zope.exceptions.exceptionformatter import TextExceptionFormatter
class FormatterException(Exception):
pass
class FailingFormatter(TextExceptionFormatter):
def formatLine(self, tb=None, f=None):
raise FormatterException("Formatter failed")
fmt = FailingFormatter()
try:
raise ExceptionForTesting
except ExceptionForTesting:
try:
fmt.formatException(*sys.exc_info())
except FormatterException:
s = self._callFUT(False)
# Recursion was detected
self.assertTrue('(Recursive formatException() stopped, '
'trying traceback.format_tb)' in s, s)
# and we fellback to the stdlib rather than hid the real error
self.assertEqual(s.splitlines()[-2],
' raise FormatterException("Formatter failed")')
self.assertTrue('FormatterException: Formatter failed'
in s.splitlines()[-1])
class Test_print_exception(unittest.TestCase):
def _callFUT(self, as_html=False):
try:
from StringIO import StringIO
except ImportError:
from io import StringIO
buf = StringIO()
import sys
from zope.exceptions.exceptionformatter import print_exception
t, v, b = sys.exc_info()
try:
print_exception(t, v, b, file=buf, as_html=as_html)
return buf.getvalue()
finally:
del b
def test_basic_names_text(self):
try:
raise ExceptionForTesting
except ExceptionForTesting:
s = self._callFUT(False)
# The traceback should include the name of this function.
self.assertTrue(s.find('test_basic_names_text') >= 0)
# The traceback should include the name of the exception.
self.assertTrue(s.find('ExceptionForTesting') >= 0)
def test_basic_names_html(self):
try:
raise ExceptionForTesting
except ExceptionForTesting:
s = self._callFUT(True)
# The traceback should include the name of this function.
self.assertTrue(s.find('test_basic_names_html') >= 0)
# The traceback should include the name of the exception.
self.assertTrue(s.find('ExceptionForTesting') >= 0)
class Test_extract_stack(unittest.TestCase):
def _callFUT(self, as_html=False):
import sys
from zope.exceptions.exceptionformatter import extract_stack
f = sys.exc_info()[2].tb_frame
try:
return ''.join(extract_stack(f, as_html=as_html))
finally:
del f
def test_basic_names_as_text(self, as_html=0):
try:
raise ExceptionForTesting
except ExceptionForTesting:
s = self._callFUT(False)
# The stack trace should include the name of this function.
self.assertTrue(s.find('test_basic_names_as_text') >= 0)
def test_basic_names_as_html(self):
try:
raise ExceptionForTesting
except ExceptionForTesting:
s = self._callFUT(True)
# The stack trace should include the name of this function.
self.assertTrue(s.find('test_basic_names_as_html') >= 0)
def test_traceback_info_text(self):
try:
__traceback_info__ = "Adam & Eve"
raise ExceptionForTesting
except ExceptionForTesting:
s = self._callFUT(False)
self.assertTrue(s.find('Adam & Eve') >= 0, s)
def test_traceback_info_html(self):
try:
__traceback_info__ = "Adam & Eve"
raise ExceptionForTesting
except ExceptionForTesting:
s = self._callFUT(True)
self.assertTrue(s.find('Adam & Eve') >= 0, s)
def test_traceback_supplement_text(self):
try:
__traceback_supplement__ = (TestingTracebackSupplement,
"You're one in a million")
raise ExceptionForTesting
except ExceptionForTesting:
s = self._callFUT(False)
# The source URL
self.assertTrue(s.find('/somepath') >= 0, s)
# The line number
self.assertTrue(s.find('634') >= 0, s)
# The column number
self.assertTrue(s.find('57') >= 0, s)
# The expression
self.assertTrue(s.find("You're one in a million") >= 0, s)
# The warning
self.assertTrue(s.find("Repent, for the end is nigh") >= 0, s)
def test_traceback_supplement_html(self):
try:
__traceback_supplement__ = (TestingTracebackSupplement,
"You're one in a million")
raise ExceptionForTesting
except ExceptionForTesting:
s = self._callFUT(True)
# The source URL
self.assertTrue(s.find('/somepath') >= 0, s)
# The line number
self.assertTrue(s.find('634') >= 0, s)
# The column number
self.assertTrue(s.find('57') >= 0, s)
# The expression
self.assertTrue(s.find("You're one in a million") >= 0, s)
# The warning
self.assertTrue(s.find("Repent, for the end is nigh") >= 0, s)
class ExceptionForTesting (Exception):
pass
class TestingTracebackSupplement(object):
source_url = '/somepath'
line = 634
column = 57
warnings = ['Repent, for the end is nigh']
def __init__(self, expression):
self.expression = expression
class DummySupplement(object):
def __init__(self, info=''):
self._info = info
def getInfo(self):
return self._info
class DummyTB(object):
tb_lineno = 14
tb_next = None
class DummyFrame(object):
f_lineno = 137
f_back = None
def __init__(self):
self.f_locals = {}
self.f_globals = {}
self.f_code = DummyCode()
class DummyCode(object):
co_filename = 'dummy/filename.py'
co_name = 'dummy_function'
class _Monkey(object):
# context-manager for replacing module names in the scope of a test.
def __init__(self, module, **kw):
self.module = module
self.to_restore = dict([(key, getattr(module, key, self))
for key in kw])
for key, value in kw.items():
setattr(module, key, value)
def __enter__(self):
return self
def __exit__(self, exc_type, exc_val, exc_tb):
for key, value in self.to_restore.items():
if value is not self:
setattr(self.module, key, value)
else:
delattr(self.module, key)
def doctest_format_exception_as_html():
"""Test for format_exception (as_html=True)
>>> from zope.exceptions.exceptionformatter import format_exception
>>> try:
... exec('import 2 + 2')
... except:
... print(''.join(format_exception(*sys.exc_info(), as_html=True)))
<p>Traceback (most recent call last):</p>
<ul>
<li> Module zope.exceptions.tests.test_exceptionformatter, line 2, in <module><br />
exec('import 2 + 2')</li>
</ul><p> File "<string>", line 1<br />
import 2 + 2<br />
^<br />
SyntaxError: invalid syntax<br />
</p>
"""
def test_suite():
return unittest.TestSuite([
unittest.defaultTestLoader.loadTestsFromName(__name__),
doctest.DocTestSuite(
optionflags=doctest.NORMALIZE_WHITESPACE),
])
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