mirror of
https://github.com/davidhalter/jedi.git
synced 2025-12-06 22:14:27 +08:00
400 lines
13 KiB
Python
Executable File
400 lines
13 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Unit tests to avoid errors of the past. Makes use of Python's ``unittest``
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module.
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"""
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import time
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import itertools
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import os
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import textwrap
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import inspect
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from .base import TestBase, unittest, cwd_at
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import jedi
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from jedi import Script
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from jedi._compatibility import utf8, unicode
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from jedi import api, parsing, common
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#jedi.set_debug_function(jedi.debug.print_to_stdout)
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class TestRegression(TestBase):
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def test_star_import_cache_duration(self):
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new = 0.01
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old, jedi.settings.star_import_cache_validity = \
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jedi.settings.star_import_cache_validity, new
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cache = api.cache
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cache.star_import_cache = {} # first empty...
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# path needs to be not-None (otherwise caching effects are not visible)
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jedi.Script('', 1, 0, '').completions()
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time.sleep(2 * new)
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jedi.Script('', 1, 0, '').completions()
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# reset values
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jedi.settings.star_import_cache_validity = old
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length = len(cache.star_import_cache)
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cache.star_import_cache = {}
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self.assertEqual(length, 1)
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def test_goto_definition_cursor(self):
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s = ("class A():\n"
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" def _something(self):\n"
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" return\n"
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" def different_line(self,\n"
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" b):\n"
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" return\n"
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"A._something\n"
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"A.different_line"
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)
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in_name = 2, 9
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under_score = 2, 8
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cls = 2, 7
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should1 = 7, 10
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diff_line = 4, 10
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should2 = 8, 10
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get_def = lambda pos: [d.description for d in self.goto_definitions(s, pos)]
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in_name = get_def(in_name)
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under_score = get_def(under_score)
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should1 = get_def(should1)
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should2 = get_def(should2)
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diff_line = get_def(diff_line)
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assert should1 == in_name
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assert should1 == under_score
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assert should2 == diff_line
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self.assertRaises(jedi.NotFoundError, get_def, cls)
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def test_keyword_doc(self):
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r = list(self.goto_definitions("or", (1, 1)))
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assert len(r) == 1
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assert len(r[0].doc) > 100
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r = list(self.goto_definitions("asfdasfd", (1, 1)))
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assert len(r) == 0
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k = self.completions("fro")[0]
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imp_start = '\nThe ``import'
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assert k.raw_doc.startswith(imp_start)
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assert k.doc.startswith(imp_start)
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def test_operator_doc(self):
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r = list(self.goto_definitions("a == b", (1, 3)))
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assert len(r) == 1
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assert len(r[0].doc) > 100
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def test_function_call_signature(self):
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defs = self.goto_definitions("""
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def f(x, y=1, z='a'):
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pass
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f""")
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doc = defs[0].doc
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assert "f(x, y = 1, z = 'a')" in doc
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def test_class_call_signature(self):
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defs = self.goto_definitions("""
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class Foo:
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def __init__(self, x, y=1, z='a'):
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pass
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Foo""")
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doc = defs[0].doc
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assert "Foo(self, x, y = 1, z = 'a')" in doc
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def test_goto_definition_at_zero(self):
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assert self.goto_definitions("a", (1, 1)) == []
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s = self.goto_definitions("str", (1, 1))
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assert len(s) == 1
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assert list(s)[0].description == 'class str'
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assert self.goto_definitions("", (1, 0)) == []
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def test_complete_at_zero(self):
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s = self.completions("str", (1, 3))
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assert len(s) == 1
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assert list(s)[0].name == 'str'
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s = self.completions("", (1, 0))
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assert len(s) > 0
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def test_goto_definition_on_import(self):
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assert self.goto_definitions("import sys_blabla", (1, 8)) == []
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assert len(self.goto_definitions("import sys", (1, 8))) == 1
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@cwd_at('jedi')
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def test_complete_on_empty_import(self):
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# should just list the files in the directory
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assert 10 < len(self.completions("from .", path='')) < 30
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assert 10 < len(self.completions("from . import", (1, 5), '')) < 30
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assert 10 < len(self.completions("from . import classes",
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(1, 5), '')) < 30
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assert len(self.completions("import")) == 0
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assert len(self.completions("import import", path='')) > 0
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# 111
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assert self.completions("from datetime import")[0].name == 'import'
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assert self.completions("from datetime import ")
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@cwd_at('jedi')
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def test_add_dynamic_mods(self):
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api.settings.additional_dynamic_modules = ['dynamic.py']
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# Fictional module that defines a function.
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src1 = "def ret(a): return a"
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# Other fictional modules in another place in the fs.
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src2 = 'from .. import setup; setup.ret(1)'
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# .parser to load the module
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api.modules.Module(os.path.abspath('dynamic.py'), src2).parser
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script = jedi.Script(src1, 1, len(src1), '../setup.py')
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result = script.goto_definitions()
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assert len(result) == 1
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assert result[0].description == 'class int'
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def test_named_import(self):
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""" named import - jedi-vim issue #8 """
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s = "import time as dt"
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assert len(jedi.Script(s, 1, 15, '/').goto_definitions()) == 1
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assert len(jedi.Script(s, 1, 10, '/').goto_definitions()) == 1
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def test_unicode_script(self):
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""" normally no unicode objects are being used. (<=2.7) """
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s = unicode("import datetime; datetime.timedelta")
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completions = self.completions(s)
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assert len(completions)
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assert type(completions[0].description) is unicode
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s = utf8("author='öä'; author")
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completions = self.completions(s)
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x = completions[0].description
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assert type(x) is unicode
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s = utf8("#-*- coding: iso-8859-1 -*-\nauthor='öä'; author")
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s = s.encode('latin-1')
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completions = self.completions(s)
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assert type(completions[0].description) is unicode
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def test_multibyte_script(self):
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""" `jedi.Script` must accept multi-byte string source. """
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try:
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code = unicode("import datetime; datetime.d")
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comment = utf8("# multi-byte comment あいうえおä")
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s = (unicode('%s\n%s') % (code, comment)).encode('utf-8')
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except NameError:
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pass # python 3 has no unicode method
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else:
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assert len(self.completions(s, (1, len(code))))
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def test_unicode_attribute(self):
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""" github jedi-vim issue #94 """
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s1 = utf8('#-*- coding: utf-8 -*-\nclass Person():\n'
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' name = "e"\n\nPerson().name.')
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completions1 = self.completions(s1)
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assert 'strip' in [c.name for c in completions1]
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s2 = utf8('#-*- coding: utf-8 -*-\nclass Person():\n'
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' name = "é"\n\nPerson().name.')
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completions2 = self.completions(s2)
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assert 'strip' in [c.name for c in completions2]
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def test_os_nowait(self):
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""" github issue #45 """
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s = self.completions("import os; os.P_")
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assert 'P_NOWAIT' in [i.name for i in s]
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def test_follow_definition(self):
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""" github issue #45 """
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c = self.completions("from datetime import timedelta; timedelta")
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# type can also point to import, but there will be additional
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# attributes
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objs = itertools.chain.from_iterable(r.follow_definition() for r in c)
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types = [o.type for o in objs]
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assert 'import' not in types and 'class' in types
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def test_keyword(self):
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""" github jedi-vim issue #44 """
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defs = self.goto_definitions("print")
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assert [d.doc for d in defs]
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defs = self.goto_definitions("import")
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assert len(defs) == 1 and [1 for d in defs if d.doc]
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# unrelated to #44
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defs = self.goto_assignments("import")
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assert len(defs) == 0
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completions = self.completions("import", (1,1))
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assert len(completions) == 0
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with common.ignored(jedi.NotFoundError): # TODO shouldn't throw that.
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defs = self.goto_definitions("assert")
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assert len(defs) == 1
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def test_goto_assignments_keyword(self):
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"""
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Bug: goto assignments on ``in`` used to raise AttributeError::
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'unicode' object has no attribute 'generate_call_path'
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"""
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self.goto_assignments('in')
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def test_goto_following_on_imports(self):
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s = "import multiprocessing.dummy; multiprocessing.dummy"
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g = self.goto_assignments(s)
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assert len(g) == 1
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assert g[0].start_pos != (0, 0)
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def test_points_in_completion(self):
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"""At some point, points were inserted into the completions, this
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caused problems, sometimes.
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"""
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c = self.completions("if IndentationErr")
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assert c[0].name == 'IndentationError'
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self.assertEqual(c[0].complete, 'or')
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def test_docstrings_type_str(self):
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s = """
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def func(arg):
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'''
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:type arg: str
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'''
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arg."""
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names = [c.name for c in self.completions(s)]
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assert 'join' in names
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def test_docstrings_type_dotted_import(self):
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s = """
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def func(arg):
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'''
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:type arg: threading.Thread
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'''
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arg."""
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names = [c.name for c in self.completions(s)]
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assert 'start' in names
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def test_no_statement_parent(self):
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source = textwrap.dedent("""
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def f():
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pass
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class C:
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pass
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variable = f or C""")
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lines = source.splitlines()
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defs = self.goto_definitions(source, (len(lines), 3))
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defs = sorted(defs, key=lambda d: d.line)
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self.assertEqual([d.description for d in defs],
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['def f', 'class C'])
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def test_end_pos(self):
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# jedi issue #150
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s = "x()\nx( )\nx( )\nx ( )"
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parser = parsing.Parser(s)
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for i, s in enumerate(parser.module.statements, 3):
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for c in s.get_commands():
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self.assertEqual(c.execution.end_pos[1], i)
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def check_definition_by_marker(self, source, after_cursor, names):
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r"""
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Find definitions specified by `after_cursor` and check what found
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For example, for the following configuration, you can pass
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``after_cursor = 'y)'``.::
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function(
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x, y)
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\
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`- You want cursor to be here
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"""
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source = textwrap.dedent(source)
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for (i, line) in enumerate(source.splitlines()):
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if after_cursor in line:
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break
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column = len(line) - len(after_cursor)
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defs = self.goto_definitions(source, (i + 1, column))
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self.assertEqual([d.name for d in defs], names)
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def test_backslash_continuation(self):
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"""
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Test that ModuleWithCursor.get_path_until_cursor handles continuation
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"""
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self.check_definition_by_marker(r"""
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x = 0
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a = \
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[1, 2, 3, 4, 5, 6, 7, 8, 9, x] # <-- here
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""", '] # <-- here', ['int'])
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# completion in whitespace
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s = 'asdfxyxxxxxxxx sds\\\n hello'
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assert self.goto_assignments(s, (2, 4)) == []
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def test_backslash_continuation_and_bracket(self):
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self.check_definition_by_marker(r"""
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x = 0
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a = \
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[1, 2, 3, 4, 5, 6, 7, 8, 9, (x)] # <-- here
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""", '(x)] # <-- here', [None])
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def test_generator(self):
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# Did have some problems with the usage of generator completions this
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# way.
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s = "def abc():\n" \
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" yield 1\n" \
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"abc()."
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assert self.completions(s)
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def test_settings_module():
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"""
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jedi.settings and jedi.cache.settings must be the same module.
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"""
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from jedi import cache
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from jedi import settings
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assert cache.settings is settings
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def test_no_duplicate_modules():
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"""
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Make sure that import hack works as expected.
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Jedi does an import hack (see: jedi/__init__.py) to have submodules
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with circular dependencies. The modules in this circular dependency
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"loop" must be imported by ``import <module>`` rather than normal
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``from jedi import <module>`` (or ``from . jedi ...``). This test
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make sure that this is satisfied.
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See also:
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- `#160 <https://github.com/davidhalter/jedi/issues/160>`_
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- `#161 <https://github.com/davidhalter/jedi/issues/161>`_
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"""
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import sys
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jedipath = os.path.dirname(os.path.abspath(jedi.__file__))
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def is_submodule(m):
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try:
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filepath = m.__file__
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except AttributeError:
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return False
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return os.path.abspath(filepath).startswith(jedipath)
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modules = list(filter(is_submodule, sys.modules.values()))
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top_modules = [m for m in modules if not m.__name__.startswith('jedi.')]
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for m in modules:
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if m is jedi:
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# py.test automatically improts `jedi.*` when --doctest-modules
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# is given. So this test cannot succeeds.
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continue
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for tm in top_modules:
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try:
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imported = getattr(m, tm.__name__)
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except AttributeError:
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continue
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if inspect.ismodule(imported):
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# module could have a function with the same name, e.g.
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# `keywords.keywords`.
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assert imported is tm
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