Files
jedi/test/test_evaluate/test_imports.py
2018-01-07 10:40:06 +02:00

235 lines
8.1 KiB
Python

"""
Tests of various import related things that could not be tested with "Black Box
Tests".
"""
import os
import sys
import pytest
import jedi
from jedi._compatibility import find_module_py33, find_module
from ..helpers import cwd_at
from jedi import Script
@pytest.mark.skipif('sys.version_info < (3,3)')
def test_find_module_py33():
"""Needs to work like the old find_module."""
assert find_module_py33('_io') == (None, '_io', False)
def test_find_module_package():
file, path, is_package = find_module('json')
assert file is None
assert path.endswith('json')
assert is_package is True
def test_find_module_not_package():
file, path, is_package = find_module('io')
assert file is not None
assert path.endswith('io.py')
assert is_package is False
def test_find_module_package_zipped():
if 'zipped_imports/pkg.zip' not in sys.path:
sys.path.append(os.path.join(os.path.dirname(__file__),
'zipped_imports/pkg.zip'))
file, path, is_package = find_module('pkg')
assert file is not None
assert path.endswith('pkg.zip')
assert is_package is True
assert len(jedi.Script('import pkg; pkg.mod', 1, 19).completions()) == 1
def test_find_module_not_package_zipped():
if 'zipped_imports/not_pkg.zip' not in sys.path:
sys.path.append(os.path.join(os.path.dirname(__file__),
'zipped_imports/not_pkg.zip'))
file, path, is_package = find_module('not_pkg')
assert file is not None
assert path.endswith('not_pkg.zip')
assert is_package is False
assert len(
jedi.Script('import not_pkg; not_pkg.val', 1, 27).completions()) == 1
@cwd_at('test/test_evaluate/not_in_sys_path/pkg')
def test_import_not_in_sys_path():
"""
non-direct imports (not in sys.path)
"""
a = jedi.Script(path='module.py', line=5).goto_definitions()
assert a[0].name == 'int'
a = jedi.Script(path='module.py', line=6).goto_definitions()
assert a[0].name == 'str'
a = jedi.Script(path='module.py', line=7).goto_definitions()
assert a[0].name == 'str'
@pytest.mark.parametrize("script,name", [
("from flask.ext import foo; foo.", "Foo"), # flask_foo.py
("from flask.ext import bar; bar.", "Bar"), # flaskext/bar.py
("from flask.ext import baz; baz.", "Baz"), # flask_baz/__init__.py
("from flask.ext import moo; moo.", "Moo"), # flaskext/moo/__init__.py
("from flask.ext.", "foo"),
("from flask.ext.", "bar"),
("from flask.ext.", "baz"),
("from flask.ext.", "moo"),
pytest.mark.xfail(("import flask.ext.foo; flask.ext.foo.", "Foo")),
pytest.mark.xfail(("import flask.ext.bar; flask.ext.bar.", "Foo")),
pytest.mark.xfail(("import flask.ext.baz; flask.ext.baz.", "Foo")),
pytest.mark.xfail(("import flask.ext.moo; flask.ext.moo.", "Foo")),
])
def test_flask_ext(script, name):
"""flask.ext.foo is really imported from flaskext.foo or flask_foo.
"""
path = os.path.join(os.path.dirname(__file__), 'flask-site-packages')
completions = jedi.Script(script, sys_path=[path]).completions()
assert name in [c.name for c in completions]
@cwd_at('test/test_evaluate/')
def test_not_importable_file():
src = 'import not_importable_file as x; x.'
assert not jedi.Script(src, path='example.py').completions()
def test_import_unique():
src = "import os; os.path"
defs = jedi.Script(src, path='example.py').goto_definitions()
parent_contexts = [d._name._context for d in defs]
assert len(parent_contexts) == len(set(parent_contexts))
def test_cache_works_with_sys_path_param(tmpdir):
foo_path = tmpdir.join('foo')
bar_path = tmpdir.join('bar')
foo_path.join('module.py').write('foo = 123', ensure=True)
bar_path.join('module.py').write('bar = 123', ensure=True)
foo_completions = jedi.Script('import module; module.',
sys_path=[foo_path.strpath]).completions()
bar_completions = jedi.Script('import module; module.',
sys_path=[bar_path.strpath]).completions()
assert 'foo' in [c.name for c in foo_completions]
assert 'bar' not in [c.name for c in foo_completions]
assert 'bar' in [c.name for c in bar_completions]
assert 'foo' not in [c.name for c in bar_completions]
def test_import_completion_docstring():
import abc
s = jedi.Script('"""test"""\nimport ab')
completions = s.completions()
assert len(completions) == 1
assert completions[0].docstring(fast=False) == abc.__doc__
# However for performance reasons not all modules are loaded and the
# docstring is empty in this case.
assert completions[0].docstring() == ''
def test_goto_definition_on_import():
assert Script("import sys_blabla", 1, 8).goto_definitions() == []
assert len(Script("import sys", 1, 8).goto_definitions()) == 1
@cwd_at('jedi')
def test_complete_on_empty_import():
assert Script("from datetime import").completions()[0].name == 'import'
# should just list the files in the directory
assert 10 < len(Script("from .", path='whatever.py').completions()) < 30
# Global import
assert len(Script("from . import", 1, 5, 'whatever.py').completions()) > 30
# relative import
assert 10 < len(Script("from . import", 1, 6, 'whatever.py').completions()) < 30
# Global import
assert len(Script("from . import classes", 1, 5, 'whatever.py').completions()) > 30
# relative import
assert 10 < len(Script("from . import classes", 1, 6, 'whatever.py').completions()) < 30
wanted = {'ImportError', 'import', 'ImportWarning'}
assert set([c.name for c in Script("import").completions()]) == wanted
assert len(Script("import import", path='').completions()) > 0
# 111
assert Script("from datetime import").completions()[0].name == 'import'
assert Script("from datetime import ").completions()
def test_imports_on_global_namespace_without_path():
"""If the path is None, there shouldn't be any import problem"""
completions = Script("import operator").completions()
assert [c.name for c in completions] == ['operator']
completions = Script("import operator", path='example.py').completions()
assert [c.name for c in completions] == ['operator']
# the first one has a path the second doesn't
completions = Script("import keyword", path='example.py').completions()
assert [c.name for c in completions] == ['keyword']
completions = Script("import keyword").completions()
assert [c.name for c in completions] == ['keyword']
def test_named_import():
"""named import - jedi-vim issue #8"""
s = "import time as dt"
assert len(Script(s, 1, 15, '/').goto_definitions()) == 1
assert len(Script(s, 1, 10, '/').goto_definitions()) == 1
@pytest.mark.skipif('True', reason='The nested import stuff is still very messy.')
def test_goto_following_on_imports():
s = "import multiprocessing.dummy; multiprocessing.dummy"
g = Script(s).goto_assignments()
assert len(g) == 1
assert (g[0].line, g[0].column) != (0, 0)
def test_os_after_from():
def check(source, result, column=None):
completions = Script(source, column=column).completions()
assert [c.name for c in completions] == result
check('\nfrom os. ', ['path'])
check('\nfrom os ', ['import'])
check('from os ', ['import'])
check('\nfrom os import whatever', ['import'], len('from os im'))
check('from os\\\n', ['import'])
check('from os \\\n', ['import'])
def test_os_issues():
def import_names(*args, **kwargs):
return [d.name for d in jedi.Script(*args, **kwargs).completions()]
# Github issue #759
s = 'import os, s'
assert 'sys' in import_names(s)
assert 'path' not in import_names(s, column=len(s) - 1)
assert 'os' in import_names(s, column=len(s) - 3)
# Some more checks
s = 'from os import path, e'
assert 'environ' in import_names(s)
assert 'json' not in import_names(s, column=len(s) - 1)
assert 'environ' in import_names(s, column=len(s) - 1)
assert 'path' in import_names(s, column=len(s) - 3)
def test_path_issues():
"""
See pull request #684 for details.
"""
source = '''from datetime import '''
assert jedi.Script(source).completions()