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"""Tests for the key interactiveshell module, where the main ipython class is defined.
"""
#-----------------------------------------------------------------------------
# Module imports
#-----------------------------------------------------------------------------
# third party
import nose.tools as nt
# our own packages
from IPython.testing.globalipapp import get_ipython
#-----------------------------------------------------------------------------
# Globals
#-----------------------------------------------------------------------------
# Get the public instance of IPython
ip = get_ipython()
#-----------------------------------------------------------------------------
# Test functions
#-----------------------------------------------------------------------------
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:
nt.assert_equal(len(ip.user_ns), nvars_user_ns)
nt.assert_equal(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):
...line 32, in <module>
bar(mode)
...line 16, in bar
div0()
...line 8, 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>
... in <module>()
30 mode = 'div'
31
---> 32 bar(mode)
<BLANKLINE>
... in bar(mode)
14 "bar"
15 if mode=='div':
---> 16 div0()
17 elif mode=='exit':
18 try:
<BLANKLINE>
... in div0()
6 x = 1
7 y = 0
----> 8 x/y
9
10 def sysexit(stat, mode):
<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>
... in <module>()
30 mode = 'div'
31
---> 32 bar(mode)
global bar = <function bar at ...>
global mode = 'div'
<BLANKLINE>
... in bar(mode='div')
14 "bar"
15 if mode=='div':
---> 16 div0()
global div0 = <function div0 at ...>
17 elif mode=='exit':
18 try:
<BLANKLINE>
... in div0()
6 x = 1
7 y = 0
----> 8 x/y
x = 1
y = 0
9
10 def sysexit(stat, mode):
<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 <module>
bar(mode)
File ... line 22, in bar
sysexit(stat, mode)
File ... line 11, in sysexit
raise SystemExit(stat, 'Mode = %s' % mode)
SystemExit: (2, 'Mode = exit')
In [21]: %xmode context
Exception reporting mode: Context
In [22]: %tb
---------------------------------------------------------------------------
SystemExit Traceback (most recent call last)
<BLANKLINE>
...<module>()
30 mode = 'div'
31
---> 32 bar(mode)
<BLANKLINE>
...bar(mode)
20 except:
21 stat = 1
---> 22 sysexit(stat, mode)
23 else:
24 raise ValueError('Unknown mode')
<BLANKLINE>
...sysexit(stat, mode)
9
10 def sysexit(stat, mode):
---> 11 raise SystemExit(stat, 'Mode = %s' % mode)
12
13 def bar(mode):
<BLANKLINE>
SystemExit: (2, 'Mode = exit')
In [23]: %xmode verbose
Exception reporting mode: Verbose
In [24]: %tb
---------------------------------------------------------------------------
SystemExit Traceback (most recent call last)
<BLANKLINE>
... in <module>()
30 mode = 'div'
31
---> 32 bar(mode)
global bar = <function bar at ...>
global mode = 'exit'
<BLANKLINE>
... in bar(mode='exit')
20 except:
21 stat = 1
---> 22 sysexit(stat, mode)
global sysexit = <function sysexit at ...>
stat = 2
mode = 'exit'
23 else:
24 raise ValueError('Unknown mode')
<BLANKLINE>
... in sysexit(stat=2, mode='exit')
9
10 def sysexit(stat, mode):
---> 11 raise SystemExit(stat, 'Mode = %s' % mode)
global SystemExit = undefined
stat = 2
mode = 'exit'
12
13 def bar(mode):
<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')
nt.assert_equal(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
nt.assert_equal(ip.db['__unittest_'], 12)
del ip.db['__unittest_']
assert '__unittest_' not in ip.db
|
