exclude 3.8

import sys

IPython/core/tests/test_iplib.py

@@ -1,289 +1,291 b''
 """Tests for the key interactiveshell module, where the main ipython class is defined.
 """
 
 import stack_data
+import sys
 
 SV_VERSION = tuple([int(x) for x in stack_data.__version__.split(".")[0:2]])
 
 
 def test_reset():
     """reset must clear most namespaces."""
 
     # Check that reset runs without error
     ip.reset()
 
     # Once we've reset it (to clear of any junk that might have been there from
     # other tests, we can count how many variables are in the user's namespace
     nvars_user_ns = len(ip.user_ns)
     nvars_hidden = len(ip.user_ns_hidden)
 
     # Now add a few variables to user_ns, and check that reset clears them
     ip.user_ns['x'] = 1
     ip.user_ns['y'] = 1
     ip.reset()
     
     # Finally, check that all namespaces have only as many variables as we
     # expect to find in them:
     assert len(ip.user_ns) == nvars_user_ns
     assert len(ip.user_ns_hidden) == nvars_hidden
 
 
 # Tests for reporting of exceptions in various modes, handling of SystemExit,
 # and %tb functionality.  This is really a mix of testing ultraTB and interactiveshell.
 
 def doctest_tb_plain():
     """
     In [18]: xmode plain
     Exception reporting mode: Plain
 
     In [19]: run simpleerr.py
     Traceback (most recent call last):
       File ...:...
         bar(mode)
       File ...:... in bar
         div0()
       File ...:... in div0
         x/y
     ZeroDivisionError: ...
     """
 
 
 def doctest_tb_context():
     """
     In [3]: xmode context
     Exception reporting mode: Context
 
     In [4]: run simpleerr.py
     ---------------------------------------------------------------------------
     ZeroDivisionError                         Traceback (most recent call last)
     <BLANKLINE>
     ...
          30     except IndexError:
          31         mode = 'div'
     ---> 33     bar(mode)
     <BLANKLINE>
     ... in bar(mode)
          15     "bar"
          16     if mode=='div':
     ---> 17         div0()
          18     elif mode=='exit':
          19         try:
     <BLANKLINE>
     ... in div0()
           6     x = 1
           7     y = 0
     ----> 8     x/y
     <BLANKLINE>
     ZeroDivisionError: ..."""
 
 
 def doctest_tb_verbose():
     """
     In [5]: xmode verbose
     Exception reporting mode: Verbose
 
     In [6]: run simpleerr.py
     ---------------------------------------------------------------------------
     ZeroDivisionError                         Traceback (most recent call last)
     <BLANKLINE>
     ...
          30     except IndexError:
          31         mode = 'div'
     ---> 33     bar(mode)
             mode = 'div'
     <BLANKLINE>
     ... in bar(mode='div')
          15     "bar"
          16     if mode=='div':
     ---> 17         div0()
          18     elif mode=='exit':
          19         try:
     <BLANKLINE>
     ... in div0()
           6     x = 1
           7     y = 0
     ----> 8     x/y
             x = 1
             y = 0
     <BLANKLINE>
     ZeroDivisionError: ...
     """
 
 
 def doctest_tb_sysexit():
     """
     In [17]: %xmode plain
     Exception reporting mode: Plain
 
     In [18]: %run simpleerr.py exit
     An exception has occurred, use %tb to see the full traceback.
     SystemExit: (1, 'Mode = exit')
 
     In [19]: %run simpleerr.py exit 2
     An exception has occurred, use %tb to see the full traceback.
     SystemExit: (2, 'Mode = exit')
 
     In [20]: %tb
     Traceback (most recent call last):
       File ...:... in execfile
         exec(compiler(f.read(), fname, "exec"), glob, loc)
       File ...:...
         bar(mode)
       File ...:... in bar
         sysexit(stat, mode)
       File ...:... in sysexit
         raise SystemExit(stat, f"Mode = {mode}")
     SystemExit: (2, 'Mode = exit')
 
     In [21]: %xmode context
     Exception reporting mode: Context
 
     In [22]: %tb
     ---------------------------------------------------------------------------
     SystemExit                                Traceback (most recent call last)
     File ..., in execfile(fname, glob, loc, compiler)
          ... with open(fname, "rb") as f:
          ...     compiler = compiler or compile
     ---> ...     exec(compiler(f.read(), fname, "exec"), glob, loc)
     ...
          30     except IndexError:
          31         mode = 'div'
     ---> 33     bar(mode)
     <BLANKLINE>
     ...bar(mode)
          21         except:
          22             stat = 1
     ---> 23         sysexit(stat, mode)
          24     else:
          25         raise ValueError('Unknown mode')
     <BLANKLINE>
     ...sysexit(stat, mode)
          10 def sysexit(stat, mode):
     ---> 11     raise SystemExit(stat, f"Mode = {mode}")
     <BLANKLINE>
     SystemExit: (2, 'Mode = exit')
     """
 
 
+if sys.version_info >= (3, 9):
 if SV_VERSION < (0, 6):
 
     def doctest_tb_sysexit_verbose_stack_data_05():
         """
         In [18]: %run simpleerr.py exit
         An exception has occurred, use %tb to see the full traceback.
         SystemExit: (1, 'Mode = exit')
 
         In [19]: %run simpleerr.py exit 2
         An exception has occurred, use %tb to see the full traceback.
         SystemExit: (2, 'Mode = exit')
 
         In [23]: %xmode verbose
         Exception reporting mode: Verbose
 
         In [24]: %tb
         ---------------------------------------------------------------------------
         SystemExit                                Traceback (most recent call last)
         <BLANKLINE>
         ...
             30     except IndexError:
             31         mode = 'div'
         ---> 33     bar(mode)
                 mode = 'exit'
         <BLANKLINE>
         ... in bar(mode='exit')
             ...     except:
             ...         stat = 1
         ---> ...     sysexit(stat, mode)
                 mode = 'exit'
                 stat = 2
             ...     else:
             ...         raise ValueError('Unknown mode')
         <BLANKLINE>
         ... in sysexit(stat=2, mode='exit')
             10 def sysexit(stat, mode):
         ---> 11     raise SystemExit(stat, f"Mode = {mode}")
                 stat = 2
         <BLANKLINE>
         SystemExit: (2, 'Mode = exit')
         """
 
 else:
     # currently the only difference is
     # + mode = 'exit'
 
     def doctest_tb_sysexit_verbose_stack_data_06():
         """
         In [18]: %run simpleerr.py exit
         An exception has occurred, use %tb to see the full traceback.
         SystemExit: (1, 'Mode = exit')
 
         In [19]: %run simpleerr.py exit 2
         An exception has occurred, use %tb to see the full traceback.
         SystemExit: (2, 'Mode = exit')
 
         In [23]: %xmode verbose
         Exception reporting mode: Verbose
 
         In [24]: %tb
         ---------------------------------------------------------------------------
         SystemExit                                Traceback (most recent call last)
         <BLANKLINE>
         ...
              30     except IndexError:
              31         mode = 'div'
         ---> 33     bar(mode)
                 mode = 'exit'
         <BLANKLINE>
         ... in bar(mode='exit')
              ...     except:
              ...         stat = 1
         ---> ...     sysexit(stat, mode)
                 mode = 'exit'
                 stat = 2
              ...     else:
              ...         raise ValueError('Unknown mode')
         <BLANKLINE>
         ... in sysexit(stat=2, mode='exit')
              10 def sysexit(stat, mode):
         ---> 11     raise SystemExit(stat, f"Mode = {mode}")
                 stat = 2
                 mode = 'exit'
         <BLANKLINE>
         SystemExit: (2, 'Mode = exit')
         """
 
 def test_run_cell():
     import textwrap
 
     ip.run_cell("a = 10\na+=1")
     ip.run_cell("assert a == 11\nassert 1")
 
     assert ip.user_ns["a"] == 11
     complex = textwrap.dedent(
         """
     if 1:
         print "hello"
         if 1:
             print "world"
         
     if 2:
         print "foo"
 
     if 3:
         print "bar"
 
     if 4:
         print "bar"
     
     """
     )
     # Simply verifies that this kind of input is run
     ip.run_cell(complex)
     
 
 def test_db():
     """Test the internal database used for variable persistence."""
     ip.db["__unittest_"] = 12
     assert ip.db["__unittest_"] == 12
     del ip.db["__unittest_"]
     assert "__unittest_" not in ip.db