|
|
"""Tests for the object inspection functionality.
|
|
|
"""
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Copyright (C) 2010-2011 The IPython Development Team.
|
|
|
#
|
|
|
# Distributed under the terms of the BSD License.
|
|
|
#
|
|
|
# The full license is in the file COPYING.txt, distributed with this software.
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Imports
|
|
|
#-----------------------------------------------------------------------------
|
|
|
from __future__ import print_function
|
|
|
|
|
|
# Stdlib imports
|
|
|
import os
|
|
|
import re
|
|
|
import sys
|
|
|
|
|
|
# Third-party imports
|
|
|
import nose.tools as nt
|
|
|
|
|
|
# Our own imports
|
|
|
from .. import oinspect
|
|
|
from IPython.core.magic import (Magics, magics_class, line_magic,
|
|
|
cell_magic, line_cell_magic,
|
|
|
register_line_magic, register_cell_magic,
|
|
|
register_line_cell_magic)
|
|
|
from decorator import decorator
|
|
|
from IPython.testing.decorators import skipif
|
|
|
from IPython.testing.tools import AssertPrints
|
|
|
from IPython.utils.path import compress_user
|
|
|
from IPython.utils import py3compat
|
|
|
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Globals and constants
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
inspector = oinspect.Inspector()
|
|
|
ip = get_ipython()
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Local utilities
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
# WARNING: since this test checks the line number where a function is
|
|
|
# defined, if any code is inserted above, the following line will need to be
|
|
|
# updated. Do NOT insert any whitespace between the next line and the function
|
|
|
# definition below.
|
|
|
THIS_LINE_NUMBER = 52 # Put here the actual number of this line
|
|
|
def test_find_source_lines():
|
|
|
nt.assert_equal(oinspect.find_source_lines(test_find_source_lines),
|
|
|
THIS_LINE_NUMBER+1)
|
|
|
|
|
|
|
|
|
# A couple of utilities to ensure these tests work the same from a source or a
|
|
|
# binary install
|
|
|
def pyfile(fname):
|
|
|
return os.path.normcase(re.sub('.py[co]$', '.py', fname))
|
|
|
|
|
|
|
|
|
def match_pyfiles(f1, f2):
|
|
|
nt.assert_equal(pyfile(f1), pyfile(f2))
|
|
|
|
|
|
|
|
|
def test_find_file():
|
|
|
match_pyfiles(oinspect.find_file(test_find_file), os.path.abspath(__file__))
|
|
|
|
|
|
|
|
|
def test_find_file_decorated1():
|
|
|
|
|
|
@decorator
|
|
|
def noop1(f):
|
|
|
def wrapper():
|
|
|
return f(*a, **kw)
|
|
|
return wrapper
|
|
|
|
|
|
@noop1
|
|
|
def f(x):
|
|
|
"My docstring"
|
|
|
|
|
|
match_pyfiles(oinspect.find_file(f), os.path.abspath(__file__))
|
|
|
nt.assert_equal(f.__doc__, "My docstring")
|
|
|
|
|
|
|
|
|
def test_find_file_decorated2():
|
|
|
|
|
|
@decorator
|
|
|
def noop2(f, *a, **kw):
|
|
|
return f(*a, **kw)
|
|
|
|
|
|
@noop2
|
|
|
@noop2
|
|
|
@noop2
|
|
|
def f(x):
|
|
|
"My docstring 2"
|
|
|
|
|
|
match_pyfiles(oinspect.find_file(f), os.path.abspath(__file__))
|
|
|
nt.assert_equal(f.__doc__, "My docstring 2")
|
|
|
|
|
|
|
|
|
def test_find_file_magic():
|
|
|
run = ip.find_line_magic('run')
|
|
|
nt.assert_not_equal(oinspect.find_file(run), None)
|
|
|
|
|
|
|
|
|
# A few generic objects we can then inspect in the tests below
|
|
|
|
|
|
class Call(object):
|
|
|
"""This is the class docstring."""
|
|
|
|
|
|
def __init__(self, x, y=1):
|
|
|
"""This is the constructor docstring."""
|
|
|
|
|
|
def __call__(self, *a, **kw):
|
|
|
"""This is the call docstring."""
|
|
|
|
|
|
def method(self, x, z=2):
|
|
|
"""Some method's docstring"""
|
|
|
|
|
|
class SimpleClass(object):
|
|
|
def method(self, x, z=2):
|
|
|
"""Some method's docstring"""
|
|
|
|
|
|
|
|
|
class OldStyle:
|
|
|
"""An old-style class for testing."""
|
|
|
pass
|
|
|
|
|
|
|
|
|
def f(x, y=2, *a, **kw):
|
|
|
"""A simple function."""
|
|
|
|
|
|
|
|
|
def g(y, z=3, *a, **kw):
|
|
|
pass # no docstring
|
|
|
|
|
|
|
|
|
@register_line_magic
|
|
|
def lmagic(line):
|
|
|
"A line magic"
|
|
|
|
|
|
|
|
|
@register_cell_magic
|
|
|
def cmagic(line, cell):
|
|
|
"A cell magic"
|
|
|
|
|
|
|
|
|
@register_line_cell_magic
|
|
|
def lcmagic(line, cell=None):
|
|
|
"A line/cell magic"
|
|
|
|
|
|
|
|
|
@magics_class
|
|
|
class SimpleMagics(Magics):
|
|
|
@line_magic
|
|
|
def Clmagic(self, cline):
|
|
|
"A class-based line magic"
|
|
|
|
|
|
@cell_magic
|
|
|
def Ccmagic(self, cline, ccell):
|
|
|
"A class-based cell magic"
|
|
|
|
|
|
@line_cell_magic
|
|
|
def Clcmagic(self, cline, ccell=None):
|
|
|
"A class-based line/cell magic"
|
|
|
|
|
|
|
|
|
class Awkward(object):
|
|
|
def __getattr__(self, name):
|
|
|
raise Exception(name)
|
|
|
|
|
|
|
|
|
def check_calltip(obj, name, call, docstring):
|
|
|
"""Generic check pattern all calltip tests will use"""
|
|
|
info = inspector.info(obj, name)
|
|
|
call_line, ds = oinspect.call_tip(info)
|
|
|
nt.assert_equal(call_line, call)
|
|
|
nt.assert_equal(ds, docstring)
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Tests
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
def test_calltip_class():
|
|
|
check_calltip(Call, 'Call', 'Call(x, y=1)', Call.__init__.__doc__)
|
|
|
|
|
|
|
|
|
def test_calltip_instance():
|
|
|
c = Call(1)
|
|
|
check_calltip(c, 'c', 'c(*a, **kw)', c.__call__.__doc__)
|
|
|
|
|
|
|
|
|
def test_calltip_method():
|
|
|
c = Call(1)
|
|
|
check_calltip(c.method, 'c.method', 'c.method(x, z=2)', c.method.__doc__)
|
|
|
|
|
|
|
|
|
def test_calltip_function():
|
|
|
check_calltip(f, 'f', 'f(x, y=2, *a, **kw)', f.__doc__)
|
|
|
|
|
|
|
|
|
def test_calltip_function2():
|
|
|
check_calltip(g, 'g', 'g(y, z=3, *a, **kw)', '<no docstring>')
|
|
|
|
|
|
|
|
|
@skipif(sys.version_info >= (3, 5))
|
|
|
def test_calltip_builtin():
|
|
|
check_calltip(sum, 'sum', None, sum.__doc__)
|
|
|
|
|
|
|
|
|
def test_calltip_line_magic():
|
|
|
check_calltip(lmagic, 'lmagic', 'lmagic(line)', "A line magic")
|
|
|
|
|
|
|
|
|
def test_calltip_cell_magic():
|
|
|
check_calltip(cmagic, 'cmagic', 'cmagic(line, cell)', "A cell magic")
|
|
|
|
|
|
|
|
|
def test_calltip_line_cell_magic():
|
|
|
check_calltip(lcmagic, 'lcmagic', 'lcmagic(line, cell=None)',
|
|
|
"A line/cell magic")
|
|
|
|
|
|
|
|
|
def test_class_magics():
|
|
|
cm = SimpleMagics(ip)
|
|
|
ip.register_magics(cm)
|
|
|
check_calltip(cm.Clmagic, 'Clmagic', 'Clmagic(cline)',
|
|
|
"A class-based line magic")
|
|
|
check_calltip(cm.Ccmagic, 'Ccmagic', 'Ccmagic(cline, ccell)',
|
|
|
"A class-based cell magic")
|
|
|
check_calltip(cm.Clcmagic, 'Clcmagic', 'Clcmagic(cline, ccell=None)',
|
|
|
"A class-based line/cell magic")
|
|
|
|
|
|
|
|
|
def test_info():
|
|
|
"Check that Inspector.info fills out various fields as expected."
|
|
|
i = inspector.info(Call, oname='Call')
|
|
|
nt.assert_equal(i['type_name'], 'type')
|
|
|
expted_class = str(type(type)) # <class 'type'> (Python 3) or <type 'type'>
|
|
|
nt.assert_equal(i['base_class'], expted_class)
|
|
|
nt.assert_equal(i['string_form'], "<class 'IPython.core.tests.test_oinspect.Call'>")
|
|
|
fname = __file__
|
|
|
if fname.endswith(".pyc"):
|
|
|
fname = fname[:-1]
|
|
|
# case-insensitive comparison needed on some filesystems
|
|
|
# e.g. Windows:
|
|
|
nt.assert_equal(i['file'].lower(), compress_user(fname).lower())
|
|
|
nt.assert_equal(i['definition'], None)
|
|
|
nt.assert_equal(i['docstring'], Call.__doc__)
|
|
|
nt.assert_equal(i['source'], None)
|
|
|
nt.assert_true(i['isclass'])
|
|
|
nt.assert_equal(i['init_definition'], "Call(self, x, y=1)\n")
|
|
|
nt.assert_equal(i['init_docstring'], Call.__init__.__doc__)
|
|
|
|
|
|
i = inspector.info(Call, detail_level=1)
|
|
|
nt.assert_not_equal(i['source'], None)
|
|
|
nt.assert_equal(i['docstring'], None)
|
|
|
|
|
|
c = Call(1)
|
|
|
c.__doc__ = "Modified instance docstring"
|
|
|
i = inspector.info(c)
|
|
|
nt.assert_equal(i['type_name'], 'Call')
|
|
|
nt.assert_equal(i['docstring'], "Modified instance docstring")
|
|
|
nt.assert_equal(i['class_docstring'], Call.__doc__)
|
|
|
nt.assert_equal(i['init_docstring'], Call.__init__.__doc__)
|
|
|
nt.assert_equal(i['call_docstring'], Call.__call__.__doc__)
|
|
|
|
|
|
# Test old-style classes, which for example may not have an __init__ method.
|
|
|
if not py3compat.PY3:
|
|
|
i = inspector.info(OldStyle)
|
|
|
nt.assert_equal(i['type_name'], 'classobj')
|
|
|
|
|
|
i = inspector.info(OldStyle())
|
|
|
nt.assert_equal(i['type_name'], 'instance')
|
|
|
nt.assert_equal(i['docstring'], OldStyle.__doc__)
|
|
|
|
|
|
def test_info_awkward():
|
|
|
# Just test that this doesn't throw an error.
|
|
|
i = inspector.info(Awkward())
|
|
|
|
|
|
def test_calldef_none():
|
|
|
# We should ignore __call__ for all of these.
|
|
|
for obj in [f, SimpleClass().method, any, str.upper]:
|
|
|
print(obj)
|
|
|
i = inspector.info(obj)
|
|
|
nt.assert_is(i['call_def'], None)
|
|
|
|
|
|
if py3compat.PY3:
|
|
|
exec("def f_kwarg(pos, *, kwonly): pass")
|
|
|
|
|
|
@skipif(not py3compat.PY3)
|
|
|
def test_definition_kwonlyargs():
|
|
|
i = inspector.info(f_kwarg, oname='f_kwarg') # analysis:ignore
|
|
|
nt.assert_equal(i['definition'], "f_kwarg(pos, *, kwonly)\n")
|
|
|
|
|
|
def test_getdoc():
|
|
|
class A(object):
|
|
|
"""standard docstring"""
|
|
|
pass
|
|
|
|
|
|
class B(object):
|
|
|
"""standard docstring"""
|
|
|
def getdoc(self):
|
|
|
return "custom docstring"
|
|
|
|
|
|
class C(object):
|
|
|
"""standard docstring"""
|
|
|
def getdoc(self):
|
|
|
return None
|
|
|
|
|
|
a = A()
|
|
|
b = B()
|
|
|
c = C()
|
|
|
|
|
|
nt.assert_equal(oinspect.getdoc(a), "standard docstring")
|
|
|
nt.assert_equal(oinspect.getdoc(b), "custom docstring")
|
|
|
nt.assert_equal(oinspect.getdoc(c), "standard docstring")
|
|
|
|
|
|
|
|
|
def test_empty_property_has_no_source():
|
|
|
i = inspector.info(property(), detail_level=1)
|
|
|
nt.assert_is(i['source'], None)
|
|
|
|
|
|
|
|
|
def test_property_sources():
|
|
|
import zlib
|
|
|
|
|
|
class A(object):
|
|
|
@property
|
|
|
def foo(self):
|
|
|
return 'bar'
|
|
|
|
|
|
foo = foo.setter(lambda self, v: setattr(self, 'bar', v))
|
|
|
|
|
|
id = property(id)
|
|
|
compress = property(zlib.compress)
|
|
|
|
|
|
i = inspector.info(A.foo, detail_level=1)
|
|
|
nt.assert_in('def foo(self):', i['source'])
|
|
|
nt.assert_in('lambda self, v:', i['source'])
|
|
|
|
|
|
i = inspector.info(A.id, detail_level=1)
|
|
|
nt.assert_in('fget = <function id>', i['source'])
|
|
|
|
|
|
i = inspector.info(A.compress, detail_level=1)
|
|
|
nt.assert_in('fget = <function zlib.compress>', i['source'])
|
|
|
|
|
|
|
|
|
def test_property_docstring_is_in_info_for_detail_level_0():
|
|
|
class A(object):
|
|
|
@property
|
|
|
def foobar():
|
|
|
"""This is `foobar` property."""
|
|
|
pass
|
|
|
|
|
|
ip.user_ns['a_obj'] = A()
|
|
|
nt.assert_equals(
|
|
|
'This is `foobar` property.',
|
|
|
ip.object_inspect('a_obj.foobar', detail_level=0)['docstring'])
|
|
|
|
|
|
ip.user_ns['a_cls'] = A
|
|
|
nt.assert_equals(
|
|
|
'This is `foobar` property.',
|
|
|
ip.object_inspect('a_cls.foobar', detail_level=0)['docstring'])
|
|
|
|
|
|
|
|
|
def test_pdef():
|
|
|
# See gh-1914
|
|
|
def foo(): pass
|
|
|
inspector.pdef(foo, 'foo')
|
|
|
|
|
|
def test_pinfo_nonascii():
|
|
|
# See gh-1177
|
|
|
from . import nonascii2
|
|
|
ip.user_ns['nonascii2'] = nonascii2
|
|
|
ip._inspect('pinfo', 'nonascii2', detail_level=1)
|
|
|
|
|
|
def test_pinfo_magic():
|
|
|
with AssertPrints('Docstring:'):
|
|
|
ip._inspect('pinfo', 'lsmagic', detail_level=0)
|
|
|
|
|
|
with AssertPrints('Source:'):
|
|
|
ip._inspect('pinfo', 'lsmagic', detail_level=1)
|
|
|
|
