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.emacs.d/elpa/elpy-20171206.847/elpy/tests/test_ropebackend.py
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205
.emacs.d/elpa/elpy-20171206.847/elpy/tests/test_ropebackend.py
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"""Tests for elpy.ropebackend."""
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import os
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import shutil
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import sys
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import tempfile
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import mock
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from elpy import ropebackend
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from elpy import rpc
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from elpy.tests import compat
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from elpy.tests.support import BackendTestCase
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from elpy.tests.support import RPCGetCompletionsTests
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from elpy.tests.support import RPCGetCompletionDocstringTests
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from elpy.tests.support import RPCGetCompletionLocationTests
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from elpy.tests.support import RPCGetDefinitionTests
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from elpy.tests.support import RPCGetCalltipTests
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from elpy.tests.support import RPCGetDocstringTests
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class RopeBackendTestCase(BackendTestCase):
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def setUp(self):
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super(RopeBackendTestCase, self).setUp()
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self.backend = ropebackend.RopeBackend(self.project_root)
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class ShouldCallValidateTest(object):
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def test_should_call_validate(self):
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with mock.patch.object(self.backend, 'validate') as validate:
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self.rpc(None, "", 0)
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self.assertTrue(validate.called)
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class TestInit(RopeBackendTestCase):
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def test_should_have_rope_as_name(self):
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self.assertEqual(self.backend.name, "rope")
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def test_should_patch_project_files(self):
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self.project_file("foo.txt", "")
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self.project_file("baddir/file.py", "")
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self.backend.project.validate()
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actual = [f.real_path for f in
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self.backend.project.file_list.get_files()]
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self.assertEqual([os.path.join(self.project_root, "foo.txt")],
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actual)
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def test_should_fail_for_inexisting_project_root(self):
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with self.assertRaises(rpc.Fault):
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ropebackend.RopeBackend("/does/not/exist/")
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class TestValidate(RopeBackendTestCase):
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def test_should_call_validate_after_timeout(self):
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with mock.patch("time.time") as t:
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t.return_value = 10
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self.backend.validate()
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with mock.patch.object(self.backend, 'project') as project:
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t.return_value = 10 + ropebackend.VALIDATE_EVERY_SECONDS + 1
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self.backend.validate()
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self.assertTrue(project.validate.called)
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def test_should_not_call_validate_before_timeout(self):
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with mock.patch("time.time") as t:
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t.return_value = 10
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self.backend.validate()
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with mock.patch.object(self.backend, 'project') as project:
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t.return_value = 10 + ropebackend.VALIDATE_EVERY_SECONDS - 1
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self.backend.validate()
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self.assertFalse(project.validate.called)
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def test_should_not_fail_if_root_vanishes(self):
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# Bug #353
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tmpdir = tempfile.mkdtemp(prefix="elpy-test-validate-")
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try:
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backend = ropebackend.RopeBackend(tmpdir)
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finally:
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shutil.rmtree(tmpdir)
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backend.validate()
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class TestRPCGetCompletions(RPCGetCompletionsTests,
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RopeBackendTestCase):
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BUILTINS = ["object", "oct", "open", "or", "ord"]
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class TestRPCGetCompletionDocstring(RPCGetCompletionDocstringTests,
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RopeBackendTestCase):
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pass
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class TestRPCGetCompletionLocation(RPCGetCompletionLocationTests,
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RopeBackendTestCase):
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pass
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class TestRPCGetDefinition(RPCGetDefinitionTests,
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ShouldCallValidateTest,
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RopeBackendTestCase):
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pass
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class TestRPCGetCalltip(RPCGetCalltipTests,
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ShouldCallValidateTest,
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RopeBackendTestCase):
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ADD_CALLTIP = 'Add.add(a, b)'
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RADIX_CALLTIP = "Decimal.radix()"
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if compat.PYTHON3:
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THREAD_CALLTIP = (
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"threading.Thread(group=None, target=None, "
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"name=None, args=(), kwargs=None, daemon=None, *)"
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)
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KEYS_CALLTIP = "builtins.keys()"
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else:
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THREAD_CALLTIP = (
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"threading.Thread(group=None, target=None, "
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"name=None, args=(), kwargs=None, verbose=None)"
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)
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KEYS_CALLTIP = "__builtin__.keys()"
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class TestRPCGetDocstring(RPCGetDocstringTests,
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ShouldCallValidateTest,
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RopeBackendTestCase):
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if sys.version_info < (2, 7):
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JSON_LOADS_DOCSTRING = (
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'loads(s, encoding=None, cls=None, object_hook=None, '
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'parse_float=None, parse_int=None, parse_constant=None, '
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'**kw):'
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)
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else:
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JSON_LOADS_DOCSTRING = (
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'loads(s, encoding=None, cls=None, object_hook=None, '
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'parse_float=None, parse_int=None, parse_constant=None, '
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'object_pairs_hook=None, **kw):'
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)
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class TestGetPythonProjectFiles(RopeBackendTestCase):
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def test(self):
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self.project_file("foo.txt", "")
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self.project_file("gooddir/__init__.py", "")
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self.project_file("gooddir/file.py", "")
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self.project_file("baddir/file.py", "")
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expected = set(os.path.join(self.project_root, name)
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for name in ["foo.txt", "gooddir/__init__.py",
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"gooddir/file.py"])
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project = self.backend.project
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actual = set(resource.real_path
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for resource
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in ropebackend.get_python_project_files(project))
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self.assertEqual(expected, actual)
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class TestPatchProjectFiles(RopeBackendTestCase):
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def test(self):
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self.project_file("foo.txt", "")
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self.project_file("gooddir/__init__.py", "")
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self.project_file("gooddir/file.py", "")
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self.project_file("baddir/file.py", "")
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expected = set(os.path.join(self.project_root, name)
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for name in ["foo.txt", "gooddir/__init__.py",
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"gooddir/file.py"])
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actual = set(resource.real_path
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for resource
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in self.backend.project.get_files())
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self.assertEqual(expected, actual)
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class TestCallRope(RopeBackendTestCase):
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def test_should_return_value(self):
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func = mock.MagicMock()
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func.return_value = 23
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actual = self.backend.call_rope(
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func, "foo.py", "", 0
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)
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self.assertEqual(23, actual)
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def test_should_raise_fault_with_data_on_exception(self):
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func = mock.MagicMock()
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func.side_effect = RuntimeError("Stuff!")
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func.__module__ = "rope.test"
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func.__name__ = "test_function"
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try:
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self.backend.call_rope(
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func, "foo.py", "", 0
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)
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except rpc.Fault as e:
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self.assertEqual(500, e.code)
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self.assertEqual("Stuff!", e.message)
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self.assertIn("traceback", e.data)
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self.assertIn("rope_debug_info", e.data)
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self.assertEqual("rope.test.test_function",
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e.data["rope_debug_info"]["function_name"])
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