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# -*- coding: utf-8 -*-
"""Tests for the Cython magics extension."""
import os
import nose.tools as nt
from IPython.testing import decorators as dec
from IPython.utils import py3compat
code = py3compat.str_to_unicode("""def f(x):
return 2*x
""")
try:
import Cython
except:
__test__ = False
ip = get_ipython()
def setup():
ip.extension_manager.load_extension('cythonmagic')
def test_cython_inline():
ip.ex('a=10; b=20')
result = ip.run_cell_magic('cython_inline','','return a+b')
nt.assert_equals(result, 30)
def test_cython_pyximport():
module_name = '_test_cython_pyximport'
ip.run_cell_magic('cython_pyximport', module_name, code)
ip.ex('g = f(10)')
nt.assert_equals(ip.user_ns['g'], 20.0)
try:
os.remove(module_name+'.pyx')
except OSError:
pass
def test_cython():
ip.run_cell_magic('cython', '', code)
ip.ex('g = f(10)')
nt.assert_equals(ip.user_ns['g'], 20.0)
@dec.skip_win32
def test_extlibs():
code = py3compat.str_to_unicode("""
from libc.math cimport sin
x = sin(0.0)
""")
ip.user_ns['x'] = 1
ip.run_cell_magic('cython', '-l m', code)
nt.assert_equals(ip.user_ns['x'], 0)
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