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# encoding: utf-8
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"""Tests for the IPython tab-completion machinery."""
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# Copyright (c) IPython Development Team.
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# Distributed under the terms of the Modified BSD License.
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import os
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import sys
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import textwrap
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import unittest
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from contextlib import contextmanager
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import nose.tools as nt
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from traitlets.config.loader import Config
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from IPython import get_ipython
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from IPython.core import completer
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from IPython.external import decorators
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from IPython.utils.tempdir import TemporaryDirectory, TemporaryWorkingDirectory
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from IPython.utils.generics import complete_object
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from IPython.testing import decorators as dec
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from IPython.core.completer import (
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Completion,
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provisionalcompleter,
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match_dict_keys,
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_deduplicate_completions,
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)
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from nose.tools import assert_in, assert_not_in
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# -----------------------------------------------------------------------------
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# Test functions
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# -----------------------------------------------------------------------------
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@contextmanager
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def greedy_completion():
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ip = get_ipython()
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greedy_original = ip.Completer.greedy
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try:
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ip.Completer.greedy = True
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yield
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finally:
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ip.Completer.greedy = greedy_original
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def test_protect_filename():
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if sys.platform == "win32":
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pairs = [
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("abc", "abc"),
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(" abc", '" abc"'),
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("a bc", '"a bc"'),
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("a bc", '"a bc"'),
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(" bc", '" bc"'),
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]
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else:
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pairs = [
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("abc", "abc"),
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(" abc", r"\ abc"),
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("a bc", r"a\ bc"),
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("a bc", r"a\ \ bc"),
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(" bc", r"\ \ bc"),
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# On posix, we also protect parens and other special characters.
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("a(bc", r"a\(bc"),
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("a)bc", r"a\)bc"),
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("a( )bc", r"a\(\ \)bc"),
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("a[1]bc", r"a\[1\]bc"),
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("a{1}bc", r"a\{1\}bc"),
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("a#bc", r"a\#bc"),
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("a?bc", r"a\?bc"),
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("a=bc", r"a\=bc"),
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("a\\bc", r"a\\bc"),
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("a|bc", r"a\|bc"),
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("a;bc", r"a\;bc"),
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("a:bc", r"a\:bc"),
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("a'bc", r"a\'bc"),
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("a*bc", r"a\*bc"),
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('a"bc', r"a\"bc"),
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("a^bc", r"a\^bc"),
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("a&bc", r"a\&bc"),
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]
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# run the actual tests
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for s1, s2 in pairs:
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s1p = completer.protect_filename(s1)
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nt.assert_equal(s1p, s2)
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def check_line_split(splitter, test_specs):
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for part1, part2, split in test_specs:
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cursor_pos = len(part1)
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line = part1 + part2
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out = splitter.split_line(line, cursor_pos)
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nt.assert_equal(out, split)
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def test_line_split():
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"""Basic line splitter test with default specs."""
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sp = completer.CompletionSplitter()
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# The format of the test specs is: part1, part2, expected answer. Parts 1
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# and 2 are joined into the 'line' sent to the splitter, as if the cursor
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# was at the end of part1. So an empty part2 represents someone hitting
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# tab at the end of the line, the most common case.
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t = [
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("run some/scrip", "", "some/scrip"),
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("run scripts/er", "ror.py foo", "scripts/er"),
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("echo $HOM", "", "HOM"),
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("print sys.pa", "", "sys.pa"),
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("print(sys.pa", "", "sys.pa"),
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("execfile('scripts/er", "", "scripts/er"),
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("a[x.", "", "x."),
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("a[x.", "y", "x."),
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('cd "some_file/', "", "some_file/"),
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]
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check_line_split(sp, t)
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# Ensure splitting works OK with unicode by re-running the tests with
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# all inputs turned into unicode
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check_line_split(sp, [map(str, p) for p in t])
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class NamedInstanceMetaclass(type):
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def __getitem__(cls, item):
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return cls.get_instance(item)
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class NamedInstanceClass(metaclass=NamedInstanceMetaclass):
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def __init__(self, name):
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if not hasattr(self.__class__, "instances"):
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self.__class__.instances = {}
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self.__class__.instances[name] = self
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@classmethod
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def _ipython_key_completions_(cls):
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return cls.instances.keys()
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@classmethod
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def get_instance(cls, name):
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return cls.instances[name]
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class KeyCompletable:
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def __init__(self, things=()):
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self.things = things
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def _ipython_key_completions_(self):
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return list(self.things)
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class TestCompleter(unittest.TestCase):
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def setUp(self):
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"""
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We want to silence all PendingDeprecationWarning when testing the completer
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"""
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self._assertwarns = self.assertWarns(PendingDeprecationWarning)
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self._assertwarns.__enter__()
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def tearDown(self):
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try:
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self._assertwarns.__exit__(None, None, None)
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except AssertionError:
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pass
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def test_custom_completion_error(self):
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"""Test that errors from custom attribute completers are silenced."""
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ip = get_ipython()
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class A:
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pass
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ip.user_ns["x"] = A()
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@complete_object.register(A)
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def complete_A(a, existing_completions):
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raise TypeError("this should be silenced")
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ip.complete("x.")
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def test_unicode_completions(self):
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ip = get_ipython()
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# Some strings that trigger different types of completion. Check them both
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# in str and unicode forms
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s = ["ru", "%ru", "cd /", "floa", "float(x)/"]
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for t in s + list(map(str, s)):
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# We don't need to check exact completion values (they may change
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# depending on the state of the namespace, but at least no exceptions
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# should be thrown and the return value should be a pair of text, list
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# values.
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text, matches = ip.complete(t)
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nt.assert_true(isinstance(text, str))
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nt.assert_true(isinstance(matches, list))
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def test_latex_completions(self):
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from IPython.core.latex_symbols import latex_symbols
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import random
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ip = get_ipython()
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# Test some random unicode symbols
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keys = random.sample(latex_symbols.keys(), 10)
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for k in keys:
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text, matches = ip.complete(k)
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nt.assert_equal(len(matches), 1)
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nt.assert_equal(text, k)
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nt.assert_equal(matches[0], latex_symbols[k])
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# Test a more complex line
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text, matches = ip.complete("print(\\alpha")
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nt.assert_equal(text, "\\alpha")
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nt.assert_equal(matches[0], latex_symbols["\\alpha"])
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# Test multiple matching latex symbols
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text, matches = ip.complete("\\al")
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nt.assert_in("\\alpha", matches)
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nt.assert_in("\\aleph", matches)
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def test_back_latex_completion(self):
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ip = get_ipython()
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# do not return more than 1 matches fro \beta, only the latex one.
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name, matches = ip.complete("\\β")
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nt.assert_equal(len(matches), 1)
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nt.assert_equal(matches[0], "\\beta")
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def test_back_unicode_completion(self):
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ip = get_ipython()
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name, matches = ip.complete("\\â…¤")
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nt.assert_equal(len(matches), 1)
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nt.assert_equal(matches[0], "\\ROMAN NUMERAL FIVE")
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def test_forward_unicode_completion(self):
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ip = get_ipython()
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name, matches = ip.complete("\\ROMAN NUMERAL FIVE")
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nt.assert_equal(len(matches), 1)
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nt.assert_equal(matches[0], "â…¤")
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@nt.nottest # now we have a completion for \jmath
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@decorators.knownfailureif(
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sys.platform == "win32", "Fails if there is a C:\\j... path"
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)
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def test_no_ascii_back_completion(self):
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ip = get_ipython()
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with TemporaryWorkingDirectory(): # Avoid any filename completions
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# single ascii letter that don't have yet completions
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for letter in "jJ":
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name, matches = ip.complete("\\" + letter)
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nt.assert_equal(matches, [])
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class CompletionSplitterTestCase(unittest.TestCase):
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def setUp(self):
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self.sp = completer.CompletionSplitter()
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def test_delim_setting(self):
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self.sp.delims = " "
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nt.assert_equal(self.sp.delims, " ")
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nt.assert_equal(self.sp._delim_expr, r"[\ ]")
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def test_spaces(self):
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"""Test with only spaces as split chars."""
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self.sp.delims = " "
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t = [("foo", "", "foo"), ("run foo", "", "foo"), ("run foo", "bar", "foo")]
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check_line_split(self.sp, t)
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def test_has_open_quotes1(self):
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for s in ["'", "'''", "'hi' '"]:
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nt.assert_equal(completer.has_open_quotes(s), "'")
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def test_has_open_quotes2(self):
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for s in ['"', '"""', '"hi" "']:
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nt.assert_equal(completer.has_open_quotes(s), '"')
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def test_has_open_quotes3(self):
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for s in ["''", "''' '''", "'hi' 'ipython'"]:
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nt.assert_false(completer.has_open_quotes(s))
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def test_has_open_quotes4(self):
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for s in ['""', '""" """', '"hi" "ipython"']:
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nt.assert_false(completer.has_open_quotes(s))
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@decorators.knownfailureif(
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sys.platform == "win32", "abspath completions fail on Windows"
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)
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def test_abspath_file_completions(self):
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ip = get_ipython()
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with TemporaryDirectory() as tmpdir:
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prefix = os.path.join(tmpdir, "foo")
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suffixes = ["1", "2"]
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names = [prefix + s for s in suffixes]
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for n in names:
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open(n, "w").close()
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# Check simple completion
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c = ip.complete(prefix)[1]
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nt.assert_equal(c, names)
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# Now check with a function call
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cmd = 'a = f("%s' % prefix
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c = ip.complete(prefix, cmd)[1]
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comp = [prefix + s for s in suffixes]
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nt.assert_equal(c, comp)
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def test_local_file_completions(self):
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ip = get_ipython()
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with TemporaryWorkingDirectory():
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prefix = "./foo"
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suffixes = ["1", "2"]
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names = [prefix + s for s in suffixes]
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for n in names:
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open(n, "w").close()
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# Check simple completion
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c = ip.complete(prefix)[1]
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nt.assert_equal(c, names)
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# Now check with a function call
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cmd = 'a = f("%s' % prefix
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c = ip.complete(prefix, cmd)[1]
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comp = {prefix + s for s in suffixes}
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nt.assert_true(comp.issubset(set(c)))
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def test_quoted_file_completions(self):
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ip = get_ipython()
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with TemporaryWorkingDirectory():
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name = "foo'bar"
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open(name, "w").close()
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# Don't escape Windows
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escaped = name if sys.platform == "win32" else "foo\\'bar"
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# Single quote matches embedded single quote
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text = "open('foo"
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c = ip.Completer._complete(
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cursor_line=0, cursor_pos=len(text), full_text=text
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)[1]
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nt.assert_equal(c, [escaped])
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# Double quote requires no escape
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text = 'open("foo'
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c = ip.Completer._complete(
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cursor_line=0, cursor_pos=len(text), full_text=text
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)[1]
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nt.assert_equal(c, [name])
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# No quote requires an escape
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text = "%ls foo"
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c = ip.Completer._complete(
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cursor_line=0, cursor_pos=len(text), full_text=text
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)[1]
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nt.assert_equal(c, [escaped])
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def test_all_completions_dups(self):
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"""
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Make sure the output of `IPCompleter.all_completions` does not have
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duplicated prefixes.
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"""
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ip = get_ipython()
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c = ip.Completer
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ip.ex("class TestClass():\n\ta=1\n\ta1=2")
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for jedi_status in [True, False]:
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with provisionalcompleter():
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ip.Completer.use_jedi = jedi_status
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matches = c.all_completions("TestCl")
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assert matches == ['TestClass'], jedi_status
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matches = c.all_completions("TestClass.")
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assert len(matches) > 2, jedi_status
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matches = c.all_completions("TestClass.a")
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assert matches == ['TestClass.a', 'TestClass.a1'], jedi_status
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def test_jedi(self):
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"""
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A couple of issue we had with Jedi
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"""
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ip = get_ipython()
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def _test_complete(reason, s, comp, start=None, end=None):
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l = len(s)
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start = start if start is not None else l
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end = end if end is not None else l
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with provisionalcompleter():
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ip.Completer.use_jedi = True
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completions = set(ip.Completer.completions(s, l))
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ip.Completer.use_jedi = False
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assert_in(Completion(start, end, comp), completions, reason)
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def _test_not_complete(reason, s, comp):
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l = len(s)
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with provisionalcompleter():
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ip.Completer.use_jedi = True
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completions = set(ip.Completer.completions(s, l))
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ip.Completer.use_jedi = False
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assert_not_in(Completion(l, l, comp), completions, reason)
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import jedi
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jedi_version = tuple(int(i) for i in jedi.__version__.split(".")[:3])
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if jedi_version > (0, 10):
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yield _test_complete, "jedi >0.9 should complete and not crash", "a=1;a.", "real"
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yield _test_complete, "can infer first argument", 'a=(1,"foo");a[0].', "real"
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yield _test_complete, "can infer second argument", 'a=(1,"foo");a[1].', "capitalize"
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yield _test_complete, "cover duplicate completions", "im", "import", 0, 2
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yield _test_not_complete, "does not mix types", 'a=(1,"foo");a[0].', "capitalize"
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def test_completion_have_signature(self):
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"""
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Lets make sure jedi is capable of pulling out the signature of the function we are completing.
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"""
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ip = get_ipython()
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with provisionalcompleter():
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ip.Completer.use_jedi = True
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completions = ip.Completer.completions("ope", 3)
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c = next(completions) # should be `open`
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ip.Completer.use_jedi = False
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assert "file" in c.signature, "Signature of function was not found by completer"
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assert (
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"encoding" in c.signature
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), "Signature of function was not found by completer"
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def test_deduplicate_completions(self):
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"""
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Test that completions are correctly deduplicated (even if ranges are not the same)
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"""
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ip = get_ipython()
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ip.ex(
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textwrap.dedent(
|
|
|
"""
|
|
|
class Z:
|
|
|
zoo = 1
|
|
|
"""
|
|
|
)
|
|
|
)
|
|
|
with provisionalcompleter():
|
|
|
ip.Completer.use_jedi = True
|
|
|
l = list(
|
|
|
_deduplicate_completions("Z.z", ip.Completer.completions("Z.z", 3))
|
|
|
)
|
|
|
ip.Completer.use_jedi = False
|
|
|
|
|
|
assert len(l) == 1, "Completions (Z.z<tab>) correctly deduplicate: %s " % l
|
|
|
assert l[0].text == "zoo" # and not `it.accumulate`
|
|
|
|
|
|
def test_greedy_completions(self):
|
|
|
"""
|
|
|
Test the capability of the Greedy completer.
|
|
|
|
|
|
Most of the test here does not really show off the greedy completer, for proof
|
|
|
each of the text below now pass with Jedi. The greedy completer is capable of more.
|
|
|
|
|
|
See the :any:`test_dict_key_completion_contexts`
|
|
|
|
|
|
"""
|
|
|
ip = get_ipython()
|
|
|
ip.ex("a=list(range(5))")
|
|
|
_, c = ip.complete(".", line="a[0].")
|
|
|
nt.assert_false(".real" in c, "Shouldn't have completed on a[0]: %s" % c)
|
|
|
|
|
|
def _(line, cursor_pos, expect, message, completion):
|
|
|
with greedy_completion(), provisionalcompleter():
|
|
|
ip.Completer.use_jedi = False
|
|
|
_, c = ip.complete(".", line=line, cursor_pos=cursor_pos)
|
|
|
nt.assert_in(expect, c, message % c)
|
|
|
|
|
|
ip.Completer.use_jedi = True
|
|
|
with provisionalcompleter():
|
|
|
completions = ip.Completer.completions(line, cursor_pos)
|
|
|
nt.assert_in(completion, completions)
|
|
|
|
|
|
with provisionalcompleter():
|
|
|
yield _, "a[0].", 5, "a[0].real", "Should have completed on a[0].: %s", Completion(
|
|
|
5, 5, "real"
|
|
|
)
|
|
|
yield _, "a[0].r", 6, "a[0].real", "Should have completed on a[0].r: %s", Completion(
|
|
|
5, 6, "real"
|
|
|
)
|
|
|
|
|
|
if sys.version_info > (3, 4):
|
|
|
yield _, "a[0].from_", 10, "a[0].from_bytes", "Should have completed on a[0].from_: %s", Completion(
|
|
|
5, 10, "from_bytes"
|
|
|
)
|
|
|
|
|
|
def test_omit__names(self):
|
|
|
# also happens to test IPCompleter as a configurable
|
|
|
ip = get_ipython()
|
|
|
ip._hidden_attr = 1
|
|
|
ip._x = {}
|
|
|
c = ip.Completer
|
|
|
ip.ex("ip=get_ipython()")
|
|
|
cfg = Config()
|
|
|
cfg.IPCompleter.omit__names = 0
|
|
|
c.update_config(cfg)
|
|
|
with provisionalcompleter():
|
|
|
c.use_jedi = False
|
|
|
s, matches = c.complete("ip.")
|
|
|
nt.assert_in("ip.__str__", matches)
|
|
|
nt.assert_in("ip._hidden_attr", matches)
|
|
|
|
|
|
# c.use_jedi = True
|
|
|
# completions = set(c.completions('ip.', 3))
|
|
|
# nt.assert_in(Completion(3, 3, '__str__'), completions)
|
|
|
# nt.assert_in(Completion(3,3, "_hidden_attr"), completions)
|
|
|
|
|
|
cfg = Config()
|
|
|
cfg.IPCompleter.omit__names = 1
|
|
|
c.update_config(cfg)
|
|
|
with provisionalcompleter():
|
|
|
c.use_jedi = False
|
|
|
s, matches = c.complete("ip.")
|
|
|
nt.assert_not_in("ip.__str__", matches)
|
|
|
# nt.assert_in('ip._hidden_attr', matches)
|
|
|
|
|
|
# c.use_jedi = True
|
|
|
# completions = set(c.completions('ip.', 3))
|
|
|
# nt.assert_not_in(Completion(3,3,'__str__'), completions)
|
|
|
# nt.assert_in(Completion(3,3, "_hidden_attr"), completions)
|
|
|
|
|
|
cfg = Config()
|
|
|
cfg.IPCompleter.omit__names = 2
|
|
|
c.update_config(cfg)
|
|
|
with provisionalcompleter():
|
|
|
c.use_jedi = False
|
|
|
s, matches = c.complete("ip.")
|
|
|
nt.assert_not_in("ip.__str__", matches)
|
|
|
nt.assert_not_in("ip._hidden_attr", matches)
|
|
|
|
|
|
# c.use_jedi = True
|
|
|
# completions = set(c.completions('ip.', 3))
|
|
|
# nt.assert_not_in(Completion(3,3,'__str__'), completions)
|
|
|
# nt.assert_not_in(Completion(3,3, "_hidden_attr"), completions)
|
|
|
|
|
|
with provisionalcompleter():
|
|
|
c.use_jedi = False
|
|
|
s, matches = c.complete("ip._x.")
|
|
|
nt.assert_in("ip._x.keys", matches)
|
|
|
|
|
|
# c.use_jedi = True
|
|
|
# completions = set(c.completions('ip._x.', 6))
|
|
|
# nt.assert_in(Completion(6,6, "keys"), completions)
|
|
|
|
|
|
del ip._hidden_attr
|
|
|
del ip._x
|
|
|
|
|
|
def test_limit_to__all__False_ok(self):
|
|
|
"""
|
|
|
Limit to all is deprecated, once we remove it this test can go away.
|
|
|
"""
|
|
|
ip = get_ipython()
|
|
|
c = ip.Completer
|
|
|
c.use_jedi = False
|
|
|
ip.ex("class D: x=24")
|
|
|
ip.ex("d=D()")
|
|
|
cfg = Config()
|
|
|
cfg.IPCompleter.limit_to__all__ = False
|
|
|
c.update_config(cfg)
|
|
|
s, matches = c.complete("d.")
|
|
|
nt.assert_in("d.x", matches)
|
|
|
|
|
|
def test_get__all__entries_ok(self):
|
|
|
class A:
|
|
|
__all__ = ["x", 1]
|
|
|
|
|
|
words = completer.get__all__entries(A())
|
|
|
nt.assert_equal(words, ["x"])
|
|
|
|
|
|
def test_get__all__entries_no__all__ok(self):
|
|
|
class A:
|
|
|
pass
|
|
|
|
|
|
words = completer.get__all__entries(A())
|
|
|
nt.assert_equal(words, [])
|
|
|
|
|
|
def test_func_kw_completions(self):
|
|
|
ip = get_ipython()
|
|
|
c = ip.Completer
|
|
|
c.use_jedi = False
|
|
|
ip.ex("def myfunc(a=1,b=2): return a+b")
|
|
|
s, matches = c.complete(None, "myfunc(1,b")
|
|
|
nt.assert_in("b=", matches)
|
|
|
# Simulate completing with cursor right after b (pos==10):
|
|
|
s, matches = c.complete(None, "myfunc(1,b)", 10)
|
|
|
nt.assert_in("b=", matches)
|
|
|
s, matches = c.complete(None, 'myfunc(a="escaped\\")string",b')
|
|
|
nt.assert_in("b=", matches)
|
|
|
# builtin function
|
|
|
s, matches = c.complete(None, "min(k, k")
|
|
|
nt.assert_in("key=", matches)
|
|
|
|
|
|
def test_default_arguments_from_docstring(self):
|
|
|
ip = get_ipython()
|
|
|
c = ip.Completer
|
|
|
kwd = c._default_arguments_from_docstring("min(iterable[, key=func]) -> value")
|
|
|
nt.assert_equal(kwd, ["key"])
|
|
|
# with cython type etc
|
|
|
kwd = c._default_arguments_from_docstring(
|
|
|
"Minuit.migrad(self, int ncall=10000, resume=True, int nsplit=1)\n"
|
|
|
)
|
|
|
nt.assert_equal(kwd, ["ncall", "resume", "nsplit"])
|
|
|
# white spaces
|
|
|
kwd = c._default_arguments_from_docstring(
|
|
|
"\n Minuit.migrad(self, int ncall=10000, resume=True, int nsplit=1)\n"
|
|
|
)
|
|
|
nt.assert_equal(kwd, ["ncall", "resume", "nsplit"])
|
|
|
|
|
|
def test_line_magics(self):
|
|
|
ip = get_ipython()
|
|
|
c = ip.Completer
|
|
|
s, matches = c.complete(None, "lsmag")
|
|
|
nt.assert_in("%lsmagic", matches)
|
|
|
s, matches = c.complete(None, "%lsmag")
|
|
|
nt.assert_in("%lsmagic", matches)
|
|
|
|
|
|
def test_cell_magics(self):
|
|
|
from IPython.core.magic import register_cell_magic
|
|
|
|
|
|
@register_cell_magic
|
|
|
def _foo_cellm(line, cell):
|
|
|
pass
|
|
|
|
|
|
ip = get_ipython()
|
|
|
c = ip.Completer
|
|
|
|
|
|
s, matches = c.complete(None, "_foo_ce")
|
|
|
nt.assert_in("%%_foo_cellm", matches)
|
|
|
s, matches = c.complete(None, "%%_foo_ce")
|
|
|
nt.assert_in("%%_foo_cellm", matches)
|
|
|
|
|
|
def test_line_cell_magics(self):
|
|
|
from IPython.core.magic import register_line_cell_magic
|
|
|
|
|
|
@register_line_cell_magic
|
|
|
def _bar_cellm(line, cell):
|
|
|
pass
|
|
|
|
|
|
ip = get_ipython()
|
|
|
c = ip.Completer
|
|
|
|
|
|
# The policy here is trickier, see comments in completion code. The
|
|
|
# returned values depend on whether the user passes %% or not explicitly,
|
|
|
# and this will show a difference if the same name is both a line and cell
|
|
|
# magic.
|
|
|
s, matches = c.complete(None, "_bar_ce")
|
|
|
nt.assert_in("%_bar_cellm", matches)
|
|
|
nt.assert_in("%%_bar_cellm", matches)
|
|
|
s, matches = c.complete(None, "%_bar_ce")
|
|
|
nt.assert_in("%_bar_cellm", matches)
|
|
|
nt.assert_in("%%_bar_cellm", matches)
|
|
|
s, matches = c.complete(None, "%%_bar_ce")
|
|
|
nt.assert_not_in("%_bar_cellm", matches)
|
|
|
nt.assert_in("%%_bar_cellm", matches)
|
|
|
|
|
|
def test_magic_completion_order(self):
|
|
|
ip = get_ipython()
|
|
|
c = ip.Completer
|
|
|
|
|
|
# Test ordering of line and cell magics.
|
|
|
text, matches = c.complete("timeit")
|
|
|
nt.assert_equal(matches, ["%timeit", "%%timeit"])
|
|
|
|
|
|
def test_magic_completion_shadowing(self):
|
|
|
ip = get_ipython()
|
|
|
c = ip.Completer
|
|
|
c.use_jedi = False
|
|
|
|
|
|
# Before importing matplotlib, %matplotlib magic should be the only option.
|
|
|
text, matches = c.complete("mat")
|
|
|
nt.assert_equal(matches, ["%matplotlib"])
|
|
|
|
|
|
# The newly introduced name should shadow the magic.
|
|
|
ip.run_cell("matplotlib = 1")
|
|
|
text, matches = c.complete("mat")
|
|
|
nt.assert_equal(matches, ["matplotlib"])
|
|
|
|
|
|
# After removing matplotlib from namespace, the magic should again be
|
|
|
# the only option.
|
|
|
del ip.user_ns["matplotlib"]
|
|
|
text, matches = c.complete("mat")
|
|
|
nt.assert_equal(matches, ["%matplotlib"])
|
|
|
|
|
|
def test_magic_completion_shadowing_explicit(self):
|
|
|
"""
|
|
|
If the user try to complete a shadowed magic, and explicit % start should
|
|
|
still return the completions.
|
|
|
"""
|
|
|
ip = get_ipython()
|
|
|
c = ip.Completer
|
|
|
|
|
|
# Before importing matplotlib, %matplotlib magic should be the only option.
|
|
|
text, matches = c.complete("%mat")
|
|
|
nt.assert_equal(matches, ["%matplotlib"])
|
|
|
|
|
|
ip.run_cell("matplotlib = 1")
|
|
|
|
|
|
# After removing matplotlib from namespace, the magic should still be
|
|
|
# the only option.
|
|
|
text, matches = c.complete("%mat")
|
|
|
nt.assert_equal(matches, ["%matplotlib"])
|
|
|
|
|
|
def test_magic_config(self):
|
|
|
ip = get_ipython()
|
|
|
c = ip.Completer
|
|
|
|
|
|
s, matches = c.complete(None, "conf")
|
|
|
nt.assert_in("%config", matches)
|
|
|
s, matches = c.complete(None, "conf")
|
|
|
nt.assert_not_in("AliasManager", matches)
|
|
|
s, matches = c.complete(None, "config ")
|
|
|
nt.assert_in("AliasManager", matches)
|
|
|
s, matches = c.complete(None, "%config ")
|
|
|
nt.assert_in("AliasManager", matches)
|
|
|
s, matches = c.complete(None, "config Ali")
|
|
|
nt.assert_list_equal(["AliasManager"], matches)
|
|
|
s, matches = c.complete(None, "%config Ali")
|
|
|
nt.assert_list_equal(["AliasManager"], matches)
|
|
|
s, matches = c.complete(None, "config AliasManager")
|
|
|
nt.assert_list_equal(["AliasManager"], matches)
|
|
|
s, matches = c.complete(None, "%config AliasManager")
|
|
|
nt.assert_list_equal(["AliasManager"], matches)
|
|
|
s, matches = c.complete(None, "config AliasManager.")
|
|
|
nt.assert_in("AliasManager.default_aliases", matches)
|
|
|
s, matches = c.complete(None, "%config AliasManager.")
|
|
|
nt.assert_in("AliasManager.default_aliases", matches)
|
|
|
s, matches = c.complete(None, "config AliasManager.de")
|
|
|
nt.assert_list_equal(["AliasManager.default_aliases"], matches)
|
|
|
s, matches = c.complete(None, "config AliasManager.de")
|
|
|
nt.assert_list_equal(["AliasManager.default_aliases"], matches)
|
|
|
|
|
|
def test_magic_color(self):
|
|
|
ip = get_ipython()
|
|
|
c = ip.Completer
|
|
|
|
|
|
s, matches = c.complete(None, "colo")
|
|
|
nt.assert_in("%colors", matches)
|
|
|
s, matches = c.complete(None, "colo")
|
|
|
nt.assert_not_in("NoColor", matches)
|
|
|
s, matches = c.complete(None, "%colors") # No trailing space
|
|
|
nt.assert_not_in("NoColor", matches)
|
|
|
s, matches = c.complete(None, "colors ")
|
|
|
nt.assert_in("NoColor", matches)
|
|
|
s, matches = c.complete(None, "%colors ")
|
|
|
nt.assert_in("NoColor", matches)
|
|
|
s, matches = c.complete(None, "colors NoCo")
|
|
|
nt.assert_list_equal(["NoColor"], matches)
|
|
|
s, matches = c.complete(None, "%colors NoCo")
|
|
|
nt.assert_list_equal(["NoColor"], matches)
|
|
|
|
|
|
def test_match_dict_keys(self):
|
|
|
"""
|
|
|
Test that match_dict_keys works on a couple of use case does return what
|
|
|
expected, and does not crash
|
|
|
"""
|
|
|
delims = " \t\n`!@#$^&*()=+[{]}\\|;:'\",<>?"
|
|
|
|
|
|
keys = ["foo", b"far"]
|
|
|
assert match_dict_keys(keys, "b'", delims=delims) == ("'", 2, ["far"])
|
|
|
assert match_dict_keys(keys, "b'f", delims=delims) == ("'", 2, ["far"])
|
|
|
assert match_dict_keys(keys, 'b"', delims=delims) == ('"', 2, ["far"])
|
|
|
assert match_dict_keys(keys, 'b"f', delims=delims) == ('"', 2, ["far"])
|
|
|
|
|
|
assert match_dict_keys(keys, "'", delims=delims) == ("'", 1, ["foo"])
|
|
|
assert match_dict_keys(keys, "'f", delims=delims) == ("'", 1, ["foo"])
|
|
|
assert match_dict_keys(keys, '"', delims=delims) == ('"', 1, ["foo"])
|
|
|
assert match_dict_keys(keys, '"f', delims=delims) == ('"', 1, ["foo"])
|
|
|
|
|
|
match_dict_keys
|
|
|
|
|
|
def test_dict_key_completion_string(self):
|
|
|
"""Test dictionary key completion for string keys"""
|
|
|
ip = get_ipython()
|
|
|
complete = ip.Completer.complete
|
|
|
|
|
|
ip.user_ns["d"] = {"abc": None}
|
|
|
|
|
|
# check completion at different stages
|
|
|
_, matches = complete(line_buffer="d[")
|
|
|
nt.assert_in("'abc'", matches)
|
|
|
nt.assert_not_in("'abc']", matches)
|
|
|
|
|
|
_, matches = complete(line_buffer="d['")
|
|
|
nt.assert_in("abc", matches)
|
|
|
nt.assert_not_in("abc']", matches)
|
|
|
|
|
|
_, matches = complete(line_buffer="d['a")
|
|
|
nt.assert_in("abc", matches)
|
|
|
nt.assert_not_in("abc']", matches)
|
|
|
|
|
|
# check use of different quoting
|
|
|
_, matches = complete(line_buffer='d["')
|
|
|
nt.assert_in("abc", matches)
|
|
|
nt.assert_not_in('abc"]', matches)
|
|
|
|
|
|
_, matches = complete(line_buffer='d["a')
|
|
|
nt.assert_in("abc", matches)
|
|
|
nt.assert_not_in('abc"]', matches)
|
|
|
|
|
|
# check sensitivity to following context
|
|
|
_, matches = complete(line_buffer="d[]", cursor_pos=2)
|
|
|
nt.assert_in("'abc'", matches)
|
|
|
|
|
|
_, matches = complete(line_buffer="d['']", cursor_pos=3)
|
|
|
nt.assert_in("abc", matches)
|
|
|
nt.assert_not_in("abc'", matches)
|
|
|
nt.assert_not_in("abc']", matches)
|
|
|
|
|
|
# check multiple solutions are correctly returned and that noise is not
|
|
|
ip.user_ns["d"] = {
|
|
|
"abc": None,
|
|
|
"abd": None,
|
|
|
"bad": None,
|
|
|
object(): None,
|
|
|
5: None,
|
|
|
}
|
|
|
|
|
|
_, matches = complete(line_buffer="d['a")
|
|
|
nt.assert_in("abc", matches)
|
|
|
nt.assert_in("abd", matches)
|
|
|
nt.assert_not_in("bad", matches)
|
|
|
assert not any(m.endswith(("]", '"', "'")) for m in matches), matches
|
|
|
|
|
|
# check escaping and whitespace
|
|
|
ip.user_ns["d"] = {"a\nb": None, "a'b": None, 'a"b': None, "a word": None}
|
|
|
_, matches = complete(line_buffer="d['a")
|
|
|
nt.assert_in("a\\nb", matches)
|
|
|
nt.assert_in("a\\'b", matches)
|
|
|
nt.assert_in('a"b', matches)
|
|
|
nt.assert_in("a word", matches)
|
|
|
assert not any(m.endswith(("]", '"', "'")) for m in matches), matches
|
|
|
|
|
|
# - can complete on non-initial word of the string
|
|
|
_, matches = complete(line_buffer="d['a w")
|
|
|
nt.assert_in("word", matches)
|
|
|
|
|
|
# - understands quote escaping
|
|
|
_, matches = complete(line_buffer="d['a\\'")
|
|
|
nt.assert_in("b", matches)
|
|
|
|
|
|
# - default quoting should work like repr
|
|
|
_, matches = complete(line_buffer="d[")
|
|
|
nt.assert_in('"a\'b"', matches)
|
|
|
|
|
|
# - when opening quote with ", possible to match with unescaped apostrophe
|
|
|
_, matches = complete(line_buffer="d[\"a'")
|
|
|
nt.assert_in("b", matches)
|
|
|
|
|
|
# need to not split at delims that readline won't split at
|
|
|
if "-" not in ip.Completer.splitter.delims:
|
|
|
ip.user_ns["d"] = {"before-after": None}
|
|
|
_, matches = complete(line_buffer="d['before-af")
|
|
|
nt.assert_in("before-after", matches)
|
|
|
|
|
|
def test_dict_key_completion_contexts(self):
|
|
|
"""Test expression contexts in which dict key completion occurs"""
|
|
|
ip = get_ipython()
|
|
|
complete = ip.Completer.complete
|
|
|
d = {"abc": None}
|
|
|
ip.user_ns["d"] = d
|
|
|
|
|
|
class C:
|
|
|
data = d
|
|
|
|
|
|
ip.user_ns["C"] = C
|
|
|
ip.user_ns["get"] = lambda: d
|
|
|
|
|
|
def assert_no_completion(**kwargs):
|
|
|
_, matches = complete(**kwargs)
|
|
|
nt.assert_not_in("abc", matches)
|
|
|
nt.assert_not_in("abc'", matches)
|
|
|
nt.assert_not_in("abc']", matches)
|
|
|
nt.assert_not_in("'abc'", matches)
|
|
|
nt.assert_not_in("'abc']", matches)
|
|
|
|
|
|
def assert_completion(**kwargs):
|
|
|
_, matches = complete(**kwargs)
|
|
|
nt.assert_in("'abc'", matches)
|
|
|
nt.assert_not_in("'abc']", matches)
|
|
|
|
|
|
# no completion after string closed, even if reopened
|
|
|
assert_no_completion(line_buffer="d['a'")
|
|
|
assert_no_completion(line_buffer='d["a"')
|
|
|
assert_no_completion(line_buffer="d['a' + ")
|
|
|
assert_no_completion(line_buffer="d['a' + '")
|
|
|
|
|
|
# completion in non-trivial expressions
|
|
|
assert_completion(line_buffer="+ d[")
|
|
|
assert_completion(line_buffer="(d[")
|
|
|
assert_completion(line_buffer="C.data[")
|
|
|
|
|
|
# greedy flag
|
|
|
def assert_completion(**kwargs):
|
|
|
_, matches = complete(**kwargs)
|
|
|
nt.assert_in("get()['abc']", matches)
|
|
|
|
|
|
assert_no_completion(line_buffer="get()[")
|
|
|
with greedy_completion():
|
|
|
assert_completion(line_buffer="get()[")
|
|
|
assert_completion(line_buffer="get()['")
|
|
|
assert_completion(line_buffer="get()['a")
|
|
|
assert_completion(line_buffer="get()['ab")
|
|
|
assert_completion(line_buffer="get()['abc")
|
|
|
|
|
|
def test_dict_key_completion_bytes(self):
|
|
|
"""Test handling of bytes in dict key completion"""
|
|
|
ip = get_ipython()
|
|
|
complete = ip.Completer.complete
|
|
|
|
|
|
ip.user_ns["d"] = {"abc": None, b"abd": None}
|
|
|
|
|
|
_, matches = complete(line_buffer="d[")
|
|
|
nt.assert_in("'abc'", matches)
|
|
|
nt.assert_in("b'abd'", matches)
|
|
|
|
|
|
if False: # not currently implemented
|
|
|
_, matches = complete(line_buffer="d[b")
|
|
|
nt.assert_in("b'abd'", matches)
|
|
|
nt.assert_not_in("b'abc'", matches)
|
|
|
|
|
|
_, matches = complete(line_buffer="d[b'")
|
|
|
nt.assert_in("abd", matches)
|
|
|
nt.assert_not_in("abc", matches)
|
|
|
|
|
|
_, matches = complete(line_buffer="d[B'")
|
|
|
nt.assert_in("abd", matches)
|
|
|
nt.assert_not_in("abc", matches)
|
|
|
|
|
|
_, matches = complete(line_buffer="d['")
|
|
|
nt.assert_in("abc", matches)
|
|
|
nt.assert_not_in("abd", matches)
|
|
|
|
|
|
def test_dict_key_completion_unicode_py3(self):
|
|
|
"""Test handling of unicode in dict key completion"""
|
|
|
ip = get_ipython()
|
|
|
complete = ip.Completer.complete
|
|
|
|
|
|
ip.user_ns["d"] = {"a\u05d0": None}
|
|
|
|
|
|
# query using escape
|
|
|
if sys.platform != "win32":
|
|
|
# Known failure on Windows
|
|
|
_, matches = complete(line_buffer="d['a\\u05d0")
|
|
|
nt.assert_in("u05d0", matches) # tokenized after \\
|
|
|
|
|
|
# query using character
|
|
|
_, matches = complete(line_buffer="d['a\u05d0")
|
|
|
nt.assert_in("a\u05d0", matches)
|
|
|
|
|
|
with greedy_completion():
|
|
|
# query using escape
|
|
|
_, matches = complete(line_buffer="d['a\\u05d0")
|
|
|
nt.assert_in("d['a\\u05d0']", matches) # tokenized after \\
|
|
|
|
|
|
# query using character
|
|
|
_, matches = complete(line_buffer="d['a\u05d0")
|
|
|
nt.assert_in("d['a\u05d0']", matches)
|
|
|
|
|
|
@dec.skip_without("numpy")
|
|
|
def test_struct_array_key_completion(self):
|
|
|
"""Test dict key completion applies to numpy struct arrays"""
|
|
|
import numpy
|
|
|
|
|
|
ip = get_ipython()
|
|
|
complete = ip.Completer.complete
|
|
|
ip.user_ns["d"] = numpy.array([], dtype=[("hello", "f"), ("world", "f")])
|
|
|
_, matches = complete(line_buffer="d['")
|
|
|
nt.assert_in("hello", matches)
|
|
|
nt.assert_in("world", matches)
|
|
|
# complete on the numpy struct itself
|
|
|
dt = numpy.dtype(
|
|
|
[("my_head", [("my_dt", ">u4"), ("my_df", ">u4")]), ("my_data", ">f4", 5)]
|
|
|
)
|
|
|
x = numpy.zeros(2, dtype=dt)
|
|
|
ip.user_ns["d"] = x[1]
|
|
|
_, matches = complete(line_buffer="d['")
|
|
|
nt.assert_in("my_head", matches)
|
|
|
nt.assert_in("my_data", matches)
|
|
|
# complete on a nested level
|
|
|
with greedy_completion():
|
|
|
ip.user_ns["d"] = numpy.zeros(2, dtype=dt)
|
|
|
_, matches = complete(line_buffer="d[1]['my_head']['")
|
|
|
nt.assert_true(any(["my_dt" in m for m in matches]))
|
|
|
nt.assert_true(any(["my_df" in m for m in matches]))
|
|
|
|
|
|
@dec.skip_without("pandas")
|
|
|
def test_dataframe_key_completion(self):
|
|
|
"""Test dict key completion applies to pandas DataFrames"""
|
|
|
import pandas
|
|
|
|
|
|
ip = get_ipython()
|
|
|
complete = ip.Completer.complete
|
|
|
ip.user_ns["d"] = pandas.DataFrame({"hello": [1], "world": [2]})
|
|
|
_, matches = complete(line_buffer="d['")
|
|
|
nt.assert_in("hello", matches)
|
|
|
nt.assert_in("world", matches)
|
|
|
|
|
|
def test_dict_key_completion_invalids(self):
|
|
|
"""Smoke test cases dict key completion can't handle"""
|
|
|
ip = get_ipython()
|
|
|
complete = ip.Completer.complete
|
|
|
|
|
|
ip.user_ns["no_getitem"] = None
|
|
|
ip.user_ns["no_keys"] = []
|
|
|
ip.user_ns["cant_call_keys"] = dict
|
|
|
ip.user_ns["empty"] = {}
|
|
|
ip.user_ns["d"] = {"abc": 5}
|
|
|
|
|
|
_, matches = complete(line_buffer="no_getitem['")
|
|
|
_, matches = complete(line_buffer="no_keys['")
|
|
|
_, matches = complete(line_buffer="cant_call_keys['")
|
|
|
_, matches = complete(line_buffer="empty['")
|
|
|
_, matches = complete(line_buffer="name_error['")
|
|
|
_, matches = complete(line_buffer="d['\\") # incomplete escape
|
|
|
|
|
|
def test_object_key_completion(self):
|
|
|
ip = get_ipython()
|
|
|
ip.user_ns["key_completable"] = KeyCompletable(["qwerty", "qwick"])
|
|
|
|
|
|
_, matches = ip.Completer.complete(line_buffer="key_completable['qw")
|
|
|
nt.assert_in("qwerty", matches)
|
|
|
nt.assert_in("qwick", matches)
|
|
|
|
|
|
def test_class_key_completion(self):
|
|
|
ip = get_ipython()
|
|
|
NamedInstanceClass("qwerty")
|
|
|
NamedInstanceClass("qwick")
|
|
|
ip.user_ns["named_instance_class"] = NamedInstanceClass
|
|
|
|
|
|
_, matches = ip.Completer.complete(line_buffer="named_instance_class['qw")
|
|
|
nt.assert_in("qwerty", matches)
|
|
|
nt.assert_in("qwick", matches)
|
|
|
|
|
|
def test_tryimport(self):
|
|
|
"""
|
|
|
Test that try-import don't crash on trailing dot, and import modules before
|
|
|
"""
|
|
|
from IPython.core.completerlib import try_import
|
|
|
|
|
|
assert try_import("IPython.")
|
|
|
|
|
|
def test_aimport_module_completer(self):
|
|
|
ip = get_ipython()
|
|
|
_, matches = ip.complete("i", "%aimport i")
|
|
|
nt.assert_in("io", matches)
|
|
|
nt.assert_not_in("int", matches)
|
|
|
|
|
|
def test_nested_import_module_completer(self):
|
|
|
ip = get_ipython()
|
|
|
_, matches = ip.complete(None, "import IPython.co", 17)
|
|
|
nt.assert_in("IPython.core", matches)
|
|
|
nt.assert_not_in("import IPython.core", matches)
|
|
|
nt.assert_not_in("IPython.display", matches)
|
|
|
|
|
|
def test_import_module_completer(self):
|
|
|
ip = get_ipython()
|
|
|
_, matches = ip.complete("i", "import i")
|
|
|
nt.assert_in("io", matches)
|
|
|
nt.assert_not_in("int", matches)
|
|
|
|
|
|
def test_from_module_completer(self):
|
|
|
ip = get_ipython()
|
|
|
_, matches = ip.complete("B", "from io import B", 16)
|
|
|
nt.assert_in("BytesIO", matches)
|
|
|
nt.assert_not_in("BaseException", matches)
|
|
|
|
|
|
def test_snake_case_completion(self):
|
|
|
ip = get_ipython()
|
|
|
ip.Completer.use_jedi = False
|
|
|
ip.user_ns["some_three"] = 3
|
|
|
ip.user_ns["some_four"] = 4
|
|
|
_, matches = ip.complete("s_", "print(s_f")
|
|
|
nt.assert_in("some_three", matches)
|
|
|
nt.assert_in("some_four", matches)
|
|
|
|
|
|
def test_mix_terms(self):
|
|
|
ip = get_ipython()
|
|
|
from textwrap import dedent
|
|
|
|
|
|
ip.Completer.use_jedi = False
|
|
|
ip.ex(
|
|
|
dedent(
|
|
|
"""
|
|
|
class Test:
|
|
|
def meth(self, meth_arg1):
|
|
|
print("meth")
|
|
|
|
|
|
def meth_1(self, meth1_arg1, meth1_arg2):
|
|
|
print("meth1")
|
|
|
|
|
|
def meth_2(self, meth2_arg1, meth2_arg2):
|
|
|
print("meth2")
|
|
|
test = Test()
|
|
|
"""
|
|
|
)
|
|
|
)
|
|
|
_, matches = ip.complete(None, "test.meth(")
|
|
|
nt.assert_in("meth_arg1=", matches)
|
|
|
nt.assert_not_in("meth2_arg1=", matches)
|
|
|
|
