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"""Test embedding of IPython"""
#-----------------------------------------------------------------------------
# Copyright (C) 2013 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
import os
import sys
from IPython.testing.decorators import skip_win32
from IPython.testing import IPYTHON_TESTING_TIMEOUT_SCALE
#-----------------------------------------------------------------------------
# Tests
#-----------------------------------------------------------------------------
@skip_win32
def test_debug_magic_passes_through_generators():
"""
This test that we can correctly pass through frames of a generator post-mortem.
"""
import pexpect
import re
in_prompt = re.compile(br'In ?\[\d+\]:')
ipdb_prompt = 'ipdb>'
env = os.environ.copy()
child = pexpect.spawn(sys.executable, ['-m', 'IPython', '--colors=nocolor', '--simple-prompt'],
env=env)
child.timeout = 15 * IPYTHON_TESTING_TIMEOUT_SCALE
child.expect(in_prompt)
child.timeout = 2 * IPYTHON_TESTING_TIMEOUT_SCALE
child.sendline("def f(x):")
child.sendline(" raise Exception")
child.sendline("")
child.expect(in_prompt)
child.sendline("gen = (f(x) for x in [0])")
child.sendline("")
child.expect(in_prompt)
child.sendline("for x in gen:")
child.sendline(" pass")
child.sendline("")
child.timeout = 10 * IPYTHON_TESTING_TIMEOUT_SCALE
child.expect('Exception:')
child.expect(in_prompt)
child.sendline(r'%debug')
child.expect('----> 2 raise Exception')
child.expect(ipdb_prompt)
child.sendline('u')
child.expect_exact(r'----> 1 gen = (f(x) for x in [0])')
child.expect(ipdb_prompt)
child.sendline('u')
child.expect_exact('----> 1 for x in gen:')
child.expect(ipdb_prompt)
child.sendline("u")
child.expect_exact(
"*** all frames above hidden, use `skip_hidden False` to get get into those."
)
child.expect(ipdb_prompt)
child.sendline('exit')
child.expect(in_prompt)
child.sendline('exit')
child.close()
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