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"""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.
# fmt: off
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>
...
34 except IndexError:
35 mode = "div"
---> 37 bar(mode)
<BLANKLINE>
... in bar(mode)
18 "bar"
19 if mode == "div":
---> 20 div0()
21 elif mode == "exit":
22 try:
<BLANKLINE>
... in div0()
8 x = 1
9 y = 0
---> 10 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>
...
34 except IndexError:
35 mode = "div"
---> 37 bar(mode)
mode = 'div'
<BLANKLINE>
... in bar(mode='div')
18 "bar"
19 if mode == "div":
---> 20 div0()
21 elif mode == "exit":
22 try:
<BLANKLINE>
... in div0()
8 x = 1
9 y = 0
---> 10 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)
...
34 except IndexError:
35 mode = "div"
---> 37 bar(mode)
<BLANKLINE>
...bar(mode)
24 except:
25 stat = 1
---> 26 sysexit(stat, mode)
27 else:
28 raise ValueError("Unknown mode")
<BLANKLINE>
...sysexit(stat, mode)
13 def sysexit(stat, mode):
---> 14 raise SystemExit(stat, f"Mode = {mode}")
<BLANKLINE>
SystemExit: (2, 'Mode = exit')
"""
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>
...
34 except IndexError:
35 mode = "div"
---> 37 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")
13 def sysexit(stat, mode):
---> 14 raise SystemExit(stat, f"Mode = {mode}")
stat = 2
<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
|
