bpython/bpython/test/test_autocomplete.py at reloading-sys · jsoref/bpython · GitHub

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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

is_py34 = sys.version_info[:2] >= (3, 4)

if is_py34:

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_none(self):

a = self.completer(None)

cumulative = autocomplete.CumulativeCompleter([a])

self.assertEqual(cumulative.matches(3, 'abc'), None)

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):