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320 lines (239 loc) · 11.5 KB
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# encoding: utf-8
from collections import namedtuple
import inspect
import keyword
import sys
try:
import unittest2 as unittest
except ImportError:
import unittest
try:
import jedi
has_jedi = True
except ImportError:
has_jedi = False
from bpython import autocomplete
from bpython._py3compat import py3
from bpython.test import mock
if sys.version_info[:2] >= (3, 4):
glob_function = 'glob.iglob'
else:
glob_function = 'glob.glob'
class TestSafeEval(unittest.TestCase):
def test_catches_syntax_error(self):
with self.assertRaises(autocomplete.EvaluationError):
autocomplete.safe_eval('1re', {})
class TestFormatters(unittest.TestCase):
def test_filename(self):
completer = autocomplete.FilenameCompletion()
last_part_of_filename = completer.format
self.assertEqual(last_part_of_filename('abc'), 'abc')
self.assertEqual(last_part_of_filename('abc/'), 'abc/')
self.assertEqual(last_part_of_filename('abc/efg'), 'efg')
self.assertEqual(last_part_of_filename('abc/efg/'), 'efg/')
self.assertEqual(last_part_of_filename('/abc'), 'abc')
self.assertEqual(last_part_of_filename('ab.c/e.f.g/'), 'e.f.g/')
def test_attribute(self):
self.assertEqual(autocomplete.after_last_dot('abc.edf'), 'edf')
def completer(matches):
mock_completer = autocomplete.BaseCompletionType()
mock_completer.matches = mock.Mock(return_value=matches)
return mock_completer
class TestGetCompleter(unittest.TestCase):
def test_no_completers(self):
self.assertTupleEqual(autocomplete.get_completer([], 0, ''),
([], None))
def test_one_completer_without_matches_returns_empty_list_and_none(self):
a = completer([])
self.assertTupleEqual(autocomplete.get_completer([a], 0, ''),
([], None))
def test_one_completer_returns_matches_and_completer(self):
a = completer(['a'])
self.assertTupleEqual(autocomplete.get_completer([a], 0, ''),
(['a'], a))
def test_two_completers_with_matches_returns_first_matches(self):
a = completer(['a'])
b = completer(['b'])
self.assertEqual(autocomplete.get_completer([a, b], 0, ''), (['a'], a))
def test_first_non_none_completer_matches_are_returned(self):
a = completer([])
b = completer(['a'])
self.assertEqual(autocomplete.get_completer([a, b], 0, ''), ([], None))
def test_only_completer_returns_None(self):
a = completer(None)
self.assertEqual(autocomplete.get_completer([a], 0, ''), ([], None))
def test_first_completer_returns_None(self):
a = completer(None)
b = completer(['a'])
self.assertEqual(autocomplete.get_completer([a, b], 0, ''), (['a'], b))
class TestCumulativeCompleter(unittest.TestCase):
def completer(self, matches, ):
mock_completer = autocomplete.BaseCompletionType()
mock_completer.matches = mock.Mock(return_value=matches)
return mock_completer
def test_no_completers_fails(self):
with self.assertRaises(ValueError):
autocomplete.CumulativeCompleter([])
def test_one_empty_completer_returns_empty(self):
a = self.completer([])
cumulative = autocomplete.CumulativeCompleter([a])
self.assertEqual(cumulative.matches(3, 'abc'), set())
def test_one_none_completer_returns_empty(self):
a = self.completer(None)
cumulative = autocomplete.CumulativeCompleter([a])
self.assertEqual(cumulative.matches(3, 'abc'), set())
def test_two_completers_get_both(self):
a = self.completer(['a'])
b = self.completer(['b'])
cumulative = autocomplete.CumulativeCompleter([a, b])
self.assertEqual(cumulative.matches(3, 'abc'), set(['a', 'b']))
class TestFilenameCompletion(unittest.TestCase):
def setUp(self):
self.completer = autocomplete.FilenameCompletion()
def test_locate_fails_when_not_in_string(self):
self.assertEqual(self.completer.locate(4, "abcd"), None)
def test_locate_succeeds_when_in_string(self):
self.assertEqual(self.completer.locate(4, "a'bc'd"), (2, 4, 'bc'))
def test_issue_491(self):
self.assertNotEqual(self.completer.matches(9, '"a[a.l-1]'), None)
@mock.patch(glob_function, new=lambda text: [])
def test_match_returns_none_if_not_in_string(self):
self.assertEqual(self.completer.matches(2, 'abcd'), None)
@mock.patch(glob_function, new=lambda text: [])
def test_match_returns_empty_list_when_no_files(self):
self.assertEqual(self.completer.matches(2, '"a'), set())
@mock.patch(glob_function, new=lambda text: ['abcde', 'aaaaa'])
@mock.patch('os.path.expanduser', new=lambda text: text)
@mock.patch('os.path.isdir', new=lambda text: False)
@mock.patch('os.path.sep', new='/')
def test_match_returns_files_when_files_exist(self):
self.assertEqual(sorted(self.completer.matches(2, '"x')),
['aaaaa', 'abcde'])
@mock.patch(glob_function, new=lambda text: ['abcde', 'aaaaa'])
@mock.patch('os.path.expanduser', new=lambda text: text)
@mock.patch('os.path.isdir', new=lambda text: True)
@mock.patch('os.path.sep', new='/')
def test_match_returns_dirs_when_dirs_exist(self):
self.assertEqual(sorted(self.completer.matches(2, '"x')),
['aaaaa/', 'abcde/'])
@mock.patch(glob_function,
new=lambda text: ['/expand/ed/abcde', '/expand/ed/aaaaa'])
@mock.patch('os.path.expanduser',
new=lambda text: text.replace('~', '/expand/ed'))
@mock.patch('os.path.isdir', new=lambda text: False)
@mock.patch('os.path.sep', new='/')
def test_tilde_stays_pretty(self):
self.assertEqual(sorted(self.completer.matches(4, '"~/a')),
['~/aaaaa', '~/abcde'])
@mock.patch('os.path.sep', new='/')
def test_formatting_takes_just_last_part(self):
self.assertEqual(self.completer.format('/hello/there/'), 'there/')
self.assertEqual(self.completer.format('/hello/there'), 'there')
class MockNumPy(object):
"""This is a mock numpy object that raises an error when there is an atempt
to convert it to a boolean."""
def __nonzero__(self):
raise ValueError("The truth value of an array with more than one "
"element is ambiguous. Use a.any() or a.all()")
class TestDictKeyCompletion(unittest.TestCase):
def test_set_of_keys_returned_when_matches_found(self):
com = autocomplete.DictKeyCompletion()
local = {'d': {"ab": 1, "cd": 2}}
self.assertSetEqual(com.matches(2, "d[", locals_=local),
set(["'ab']", "'cd']"]))
def test_empty_set_returned_when_eval_error(self):
com = autocomplete.DictKeyCompletion()
local = {'e': {"ab": 1, "cd": 2}}
self.assertSetEqual(com.matches(2, "d[", locals_=local), set())
def test_empty_set_returned_when_not_dict_type(self):
com = autocomplete.DictKeyCompletion()
local = {'l': ["ab", "cd"]}
self.assertSetEqual(com.matches(2, "l[", locals_=local), set())
def test_obj_that_does_not_allow_conversion_to_bool(self):
com = autocomplete.DictKeyCompletion()
local = {'mNumPy': MockNumPy()}
self.assertSetEqual(com.matches(7, "mNumPy[", locals_=local), set())
class Foo(object):
a = 10
def __init__(self):
self.b = 20
def method(self, x):
pass
class TestAttrCompletion(unittest.TestCase):
def test_att_matches_found_on_instance(self):
com = autocomplete.AttrCompletion()
self.assertSetEqual(com.matches(2, 'a.', locals_={'a': Foo()}),
set(['a.method', 'a.a', 'a.b']))
class TestMagicMethodCompletion(unittest.TestCase):
def test_magic_methods_complete_after_double_underscores(self):
com = autocomplete.MagicMethodCompletion()
block = "class Something(object)\n def __"
self.assertSetEqual(com.matches(10, ' def __', current_block=block),
set(autocomplete.MAGIC_METHODS))
Comp = namedtuple('Completion', ['name', 'complete'])
@unittest.skipUnless(has_jedi, "jedi required")
class TestMultilineJediCompletion(unittest.TestCase):
def test_returns_none_with_single_line(self):
com = autocomplete.MultilineJediCompletion()
self.assertEqual(com.matches(2, 'Va', current_block='Va', history=[]),
None)
def test_returns_non_with_blank_second_line(self):
com = autocomplete.MultilineJediCompletion()
self.assertEqual(com.matches(0, '', current_block='class Foo():\n',
history=['class Foo():']), None)
def matches_from_completions(self, cursor, line, block, history,
completions):
with mock.patch('bpython.autocomplete.jedi.Script') as Script:
script = Script.return_value
script.completions.return_value = completions
com = autocomplete.MultilineJediCompletion()
return com.matches(cursor, line, current_block=block,
history=history)
def test_completions_starting_with_different_letters(self):
matches = self.matches_from_completions(
2, ' a', 'class Foo:\n a', ['adsf'],
[Comp('Abc', 'bc'), Comp('Cbc', 'bc')])
self.assertEqual(matches, None)
def test_completions_starting_with_different_cases(self):
matches = self.matches_from_completions(
2, ' a', 'class Foo:\n a', ['adsf'],
[Comp('Abc', 'bc'), Comp('ade', 'de')])
self.assertSetEqual(matches, set(['ade']))
class TestGlobalCompletion(unittest.TestCase):
def setUp(self):
self.com = autocomplete.GlobalCompletion()
def test_function(self):
def function():
pass
self.assertEqual(self.com.matches(8, 'function',
locals_={'function': function}),
set(('function(', )))
def test_completions_are_unicode(self):
for m in self.com.matches(1, 'a', locals_={'abc': 10}):
self.assertIsInstance(m, type(u''))
@unittest.skipIf(py3, "in Python 3 invalid identifiers are passed through")
def test_ignores_nonascii_encodable(self):
self.assertSetEqual(self.com.matches(3, 'abc', locals_={'abcß': 10}),
set())
def test_mock_kwlist(self):
with mock.patch.object(keyword, 'kwlist', new=['abcd']):
self.assertSetEqual(self.com.matches(3, 'abc', locals_={}), set())
def test_mock_kwlist_non_ascii(self):
with mock.patch.object(keyword, 'kwlist', new=['abcß']):
self.assertSetEqual(self.com.matches(3, 'abc', locals_={}), set())
class TestParameterNameCompletion(unittest.TestCase):
def test_set_of_params_returns_when_matches_found(self):
def func(apple, apricot, banana, carrot):
pass
if py3:
argspec = list(inspect.getfullargspec(func))
else:
argspec = list(inspect.getargspec(func))
argspec = ["func", argspec, False]
com = autocomplete.ParameterNameCompletion()
self.assertSetEqual(com.matches(1, "a", argspec=argspec),
set(['apple=', 'apricot=']))
self.assertSetEqual(com.matches(2, "ba", argspec=argspec),
set(['banana=']))
self.assertSetEqual(com.matches(3, "car", argspec=argspec),
set(['carrot=']))
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