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"""Tests for two-process terminal frontend
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Currently only has the most simple test possible, starting a console and running
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a single command.
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Authors:
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* Min RK
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"""
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#-----------------------------------------------------------------------------
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# Imports
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#-----------------------------------------------------------------------------
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import sys
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from nose import SkipTest
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import IPython.testing.tools as tt
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from IPython.testing import decorators as dec
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#-----------------------------------------------------------------------------
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# Tests
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#-----------------------------------------------------------------------------
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@dec.skip_win32
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def test_console_starts():
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"""test that `ipython console` starts a terminal"""
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p, pexpect, t = start_console()
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p.sendline('5')
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idx = p.expect([r'Out\[\d+\]: 5', pexpect.EOF], timeout=t)
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idx = p.expect([r'In \[\d+\]', pexpect.EOF], timeout=t)
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stop_console(p, pexpect, t)
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def test_help_output():
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"""ipython console --help-all works"""
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tt.help_all_output_test('console')
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def test_display_text():
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"Ensure display protocol plain/text key is supported"
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# equivalent of:
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#
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# x = %lsmagic
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# from IPython.display import display; display(x);
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p, pexpect, t = start_console()
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p.sendline('x = %lsmagic')
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idx = p.expect([r'In \[\d+\]', pexpect.EOF], timeout=t)
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p.sendline('from IPython.display import display; display(x);')
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p.expect([r'Available line magics:', pexpect.EOF], timeout=t)
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stop_console(p, pexpect, t)
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def stop_console(p, pexpect, t):
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"Stop a running `ipython console` running via pexpect"
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# send ctrl-D;ctrl-D to exit
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p.sendeof()
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p.sendeof()
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p.expect([pexpect.EOF, pexpect.TIMEOUT], timeout=t)
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if p.isalive():
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p.terminate()
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def start_console():
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"Start `ipython console` using pexpect"
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from IPython.external import pexpect
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args = ['console', '--colors=NoColor']
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# FIXME: remove workaround for 2.6 support
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if sys.version_info[:2] > (2,6):
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args = ['-m', 'IPython'] + args
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cmd = sys.executable
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else:
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cmd = 'ipython'
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try:
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p = pexpect.spawn(cmd, args=args)
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except IOError:
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raise SkipTest("Couldn't find command %s" % cmd)
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# timeout after one minute
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t = 60
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idx = p.expect([r'In \[\d+\]', pexpect.EOF], timeout=t)
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return p, pexpect, t
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