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"""Tests for the IPython tab-completion machinery.
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"""
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#-----------------------------------------------------------------------------
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# Module imports
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#-----------------------------------------------------------------------------
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# stdlib
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import os
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import sys
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import unittest
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# third party
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import nose.tools as nt
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# our own packages
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from IPython.utils.tempdir import TemporaryDirectory
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from IPython.core.history import HistoryManager
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def test_history():
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ip = get_ipython()
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with TemporaryDirectory() as tmpdir:
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#tmpdir = '/software/temp'
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histfile = os.path.realpath(os.path.join(tmpdir, 'history.json'))
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# Ensure that we restore the history management that we mess with in
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# this test doesn't affect the IPython instance used by the test suite
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# beyond this test.
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hist_manager_ori = ip.history_manager
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try:
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ip.history_manager = HistoryManager(ip)
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ip.history_manager.hist_file = histfile
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print 'test',histfile
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hist = ['a=1', 'def f():\n test = 1\n return test', 'b=2']
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# test save and load
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ip.history_manager.input_hist_raw[:] = []
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for h in hist:
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ip.history_manager.store_inputs(h)
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ip.save_history()
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ip.history_manager.input_hist_raw[:] = []
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ip.reload_history()
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print type(ip.history_manager.input_hist_raw)
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print ip.history_manager.input_hist_raw
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nt.assert_equal(len(ip.history_manager.input_hist_raw), len(hist))
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for i,h in enumerate(hist):
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nt.assert_equal(hist[i], ip.history_manager.input_hist_raw[i])
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# Test that session offset works.
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ip.history_manager.session_offset = \
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len(ip.history_manager.input_hist_raw) -1
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newcmds = ["z=5","class X(object):\n pass", "k='p'"]
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for cmd in newcmds:
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ip.history_manager.store_inputs(cmd)
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gothist = ip.history_manager.get_history((1,4),
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raw=True, output=False)
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nt.assert_equal(gothist, dict(zip([1,2,3], newcmds)))
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# Cross testing: check that magic %save picks up on the session
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# offset.
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testfilename = os.path.realpath(os.path.join(tmpdir, "test.py"))
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ip.magic_save(testfilename + " 1-3")
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testfile = open(testfilename, "r")
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nt.assert_equal(testfile.read(), "\n".join(newcmds))
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finally:
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# Restore history manager
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ip.history_manager = hist_manager_ori
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