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from IPython.testing.tools import AssertPrints, AssertNotPrints
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ip = get_ipython()
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def test_output_displayed():
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"""Checking to make sure that output is displayed"""
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with AssertPrints('2'):
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ip.run_cell('1+1', store_history=True)
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with AssertPrints('2'):
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ip.run_cell('1+1 # comment with a semicolon;', store_history=True)
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with AssertPrints('2'):
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ip.run_cell('1+1\n#commented_out_function();', store_history=True)
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def test_output_quiet():
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"""Checking to make sure that output is quiet"""
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with AssertNotPrints('2'):
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ip.run_cell('1+1;', store_history=True)
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with AssertNotPrints('2'):
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ip.run_cell('1+1; # comment with a semicolon', store_history=True)
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with AssertNotPrints('2'):
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ip.run_cell('1+1;\n#commented_out_function()', store_history=True)
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def test_underscore_no_overrite_user():
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ip.run_cell('_ = 42', store_history=True)
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ip.run_cell('1+1', store_history=True)
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with AssertPrints('42'):
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ip.run_cell('print(_)', store_history=True)
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ip.run_cell('del _', store_history=True)
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ip.run_cell('6+6', store_history=True)
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with AssertPrints('12'):
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ip.run_cell('_', store_history=True)
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def test_underscore_no_overrite_builtins():
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ip.run_cell("import gettext ; gettext.install('foo')", store_history=True)
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ip.run_cell('3+3', store_history=True)
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with AssertPrints('gettext'):
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ip.run_cell('print(_)', store_history=True)
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ip.run_cell('_ = "userset"', store_history=True)
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with AssertPrints('userset'):
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ip.run_cell('print(_)', store_history=True)
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ip.run_cell('import builtins; del builtins._')
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