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ClassFinder: fixed unexpected behaviour, add tests for this

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This commit is contained in:
enkore 2013-10-23 17:13:38 +02:00
parent 4dd0d0b7c3
commit 2106585d4c
2 changed files with 25 additions and 6 deletions
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9
i3pystatus/core/imputil.py
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@ -5,7 +5,6 @@ from i3pystatus.core.exceptions import ConfigAmbigiousClassesError, ConfigInvali
class ClassFinder:
"""Support class to find classes of specific bases in a module"""
def __init__(self, baseclass):
@ -20,11 +19,13 @@ class ClassFinder:
)
return predicate
def search_module(self, module):
return list(zip(*inspect.getmembers(module, self.predicate_factory(module))))[1]
def get_matching_classes(self, module):
# Transpose [ (name, list), ... ] to ( [name, ...], [list, ...] )
classes = list(zip(*inspect.getmembers(module, self.predicate_factory(module))))
return classes[1] if classes else []
def get_class(self, module):
classes = self.search_module(module)
classes = self.get_matching_classes(module)
if len(classes) > 1:
# If there are multiple Module clases bundled in one module,

22
tests/test_core_util.py
View File

@ -6,7 +6,8 @@ import string
import random
import types
from i3pystatus.core import util
from i3pystatus.core.exceptions import ConfigAmbigiousClassesError, ConfigInvalidModuleError
from i3pystatus.core import util, ClassFinder
def get_random_string(length=6, chars=string.printable):
@ -170,12 +171,29 @@ class ModuleListTests(unittest.TestCase):
pymod.some_class = self._create_module_class("some_class")
pymod.some_class.__module__ = "other_module"
with self.assertRaises(IndexError):
with self.assertRaises(ConfigInvalidModuleError):
self.ml.append(pymod)
assert not pymod.some_class.__init__.called
assert not pymod.some_class.registered.called
def test_ambigious_classdef(self):
pymod = types.ModuleType("test_mod")
pymod.some_class = self._create_module_class("some_class")
pymod.some_class.__module__ = "test_mod"
pymod.some_other_class = self._create_module_class("some_other_class")
pymod.some_other_class.__module__ = "test_mod"
with self.assertRaises(ConfigAmbigiousClassesError):
self.ml.append(pymod)
def test_invalid_module(self):
pymod = types.ModuleType("test_mod")
with self.assertRaises(ConfigInvalidModuleError):
self.ml.append(pymod)
def test_append_class_inheritance(self):
in_between = self._create_module_class("in_between")
cls = self._create_module_class("cls", (in_between,))