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# coding: utf-8
"""Tests for the compilerop module.
"""
#-----------------------------------------------------------------------------
# Copyright (C) 2010-2011 The IPython Development Team.
#
# Distributed under the terms of the BSD License.
#
# The full license is in the file COPYING.txt, distributed with this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
from __future__ import print_function
# Stdlib imports
import linecache
import sys
# Third-party imports
import nose.tools as nt
# Our own imports
from IPython.core import compilerop
from IPython.utils import py3compat
#-----------------------------------------------------------------------------
# Test functions
#-----------------------------------------------------------------------------
def test_code_name():
code = 'x=1'
name = compilerop.code_name(code)
nt.assert_true(name.startswith('<ipython-input-0'))
def test_code_name2():
code = 'x=1'
name = compilerop.code_name(code, 9)
nt.assert_true(name.startswith('<ipython-input-9'))
def test_cache():
"""Test the compiler correctly compiles and caches inputs
"""
cp = compilerop.CachingCompiler()
ncache = len(linecache.cache)
cp.cache('x=1')
nt.assert_true(len(linecache.cache) > ncache)
def setUp():
# Check we're in a proper Python 2 environment (some imports, such
# as GTK, can change the default encoding, which can hide bugs.)
nt.assert_equal(sys.getdefaultencoding(), "utf-8" if py3compat.PY3 else "ascii")
def test_cache_unicode():
cp = compilerop.CachingCompiler()
ncache = len(linecache.cache)
cp.cache(u"t = 'žćčšđ'")
nt.assert_true(len(linecache.cache) > ncache)
def test_compiler_check_cache():
"""Test the compiler properly manages the cache.
"""
# Rather simple-minded tests that just exercise the API
cp = compilerop.CachingCompiler()
cp.cache('x=1', 99)
# Ensure now that after clearing the cache, our entries survive
linecache.checkcache()
for k in linecache.cache:
if k.startswith('<ipython-input-99'):
break
else:
raise AssertionError('Entry for input-99 missing from linecache')
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