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#!/usr/bin/env python3
# Simple tests for the talloc python bindings.
# Copyright (C) 2015 Petr Viktorin <pviktori@redhat.com>
import unittest
import subprocess
import sys
import gc
import talloc
import _test_pytalloc
def dummy_func():
pass
class TallocTests(unittest.TestCase):
def test_report_full(self):
# report_full is hardcoded to print to stdout, so use a subprocess
process = subprocess.Popen([
sys.executable, '-c',
"""if True:
import talloc, _test_pytalloc
obj = _test_pytalloc.new()
talloc.report_full(obj)
"""
], stdout=subprocess.PIPE)
output, stderr = process.communicate()
output = str(output)
self.assertTrue("full talloc report on 'talloc.Object" in output)
self.assertTrue("This is a test string" in output)
def test_totalblocks(self):
obj = _test_pytalloc.new()
# Two blocks: the string, and the name
self.assertEqual(talloc.total_blocks(obj), 2)
def test_repr(self):
obj = _test_pytalloc.new()
prefix = '<talloc.Object talloc object at'
self.assertTrue(repr(obj).startswith(prefix))
self.assertEqual(repr(obj), str(obj))
def test_base_repr(self):
obj = _test_pytalloc.base_new()
prefix = '<talloc.BaseObject talloc based object at'
self.assertTrue(repr(obj).startswith(prefix))
self.assertEqual(repr(obj), str(obj))
def test_destructor(self):
# Check correct lifetime of the talloc'd data
lst = []
obj = _test_pytalloc.DObject(lambda: lst.append('dead'))
self.assertEqual(lst, [])
del obj
gc.collect()
self.assertEqual(lst, ['dead'])
def test_base_destructor(self):
# Check correct lifetime of the talloc'd data
lst = []
obj = _test_pytalloc.DBaseObject(lambda: lst.append('dead'))
self.assertEqual(lst, [])
del obj
gc.collect()
self.assertEqual(lst, ['dead'])
class TallocComparisonTests(unittest.TestCase):
def test_compare_same(self):
obj1 = _test_pytalloc.new()
self.assertTrue(obj1 == obj1)
self.assertFalse(obj1 != obj1)
self.assertTrue(obj1 <= obj1)
self.assertFalse(obj1 < obj1)
self.assertTrue(obj1 >= obj1)
self.assertFalse(obj1 > obj1)
def test_compare_different(self):
# object comparison is consistent
obj1, obj2 = sorted([
_test_pytalloc.new(),
_test_pytalloc.new()])
self.assertFalse(obj1 == obj2)
self.assertTrue(obj1 != obj2)
self.assertTrue(obj1 <= obj2)
self.assertTrue(obj1 < obj2)
self.assertFalse(obj1 >= obj2)
self.assertFalse(obj1 > obj2)
def test_compare_different_types(self):
# object comparison falls back to comparing types
if sys.version_info >= (3, 0):
# In Python 3, types are unorderable -- nothing to test
return
if talloc.Object < _test_pytalloc.DObject:
obj1 = _test_pytalloc.new()
obj2 = _test_pytalloc.DObject(dummy_func)
else:
obj2 = _test_pytalloc.new()
obj1 = _test_pytalloc.DObject(dummy_func)
self.assertFalse(obj1 == obj2)
self.assertTrue(obj1 != obj2)
self.assertTrue(obj1 <= obj2)
self.assertTrue(obj1 < obj2)
self.assertFalse(obj1 >= obj2)
self.assertFalse(obj1 > obj2)
class TallocBaseComparisonTests(unittest.TestCase):
def test_compare_same(self):
obj1 = _test_pytalloc.base_new()
self.assertTrue(obj1 == obj1)
self.assertFalse(obj1 != obj1)
self.assertTrue(obj1 <= obj1)
self.assertFalse(obj1 < obj1)
self.assertTrue(obj1 >= obj1)
self.assertFalse(obj1 > obj1)
def test_compare_different(self):
# object comparison is consistent
obj1, obj2 = sorted([
_test_pytalloc.base_new(),
_test_pytalloc.base_new()])
self.assertFalse(obj1 == obj2)
self.assertTrue(obj1 != obj2)
self.assertTrue(obj1 <= obj2)
self.assertTrue(obj1 < obj2)
self.assertFalse(obj1 >= obj2)
self.assertFalse(obj1 > obj2)
def test_compare_different_types(self):
# object comparison falls back to comparing types
if sys.version_info >= (3, 0):
# In Python 3, types are unorderable -- nothing to test
return
if talloc.BaseObject < _test_pytalloc.DBaseObject:
obj1 = _test_pytalloc.base_new()
obj2 = _test_pytalloc.DBaseObject(dummy_func)
else:
obj2 = _test_pytalloc.base_new()
obj1 = _test_pytalloc.DBaseObject(dummy_func)
self.assertFalse(obj1 == obj2)
self.assertTrue(obj1 != obj2)
self.assertTrue(obj1 <= obj2)
self.assertTrue(obj1 < obj2)
self.assertFalse(obj1 >= obj2)
self.assertFalse(obj1 > obj2)
class TallocUtilTests(unittest.TestCase):
def test_get_type(self):
self.assertTrue(talloc.Object is _test_pytalloc.get_object_type())
def test_reference(self):
# Check correct lifetime of the talloc'd data with multiple references
lst = []
obj = _test_pytalloc.DObject(lambda: lst.append('dead'))
ref = _test_pytalloc.reference(obj)
del obj
gc.collect()
self.assertEqual(lst, [])
del ref
gc.collect()
self.assertEqual(lst, ['dead'])
def test_get_base_type(self):
self.assertTrue(talloc.BaseObject is _test_pytalloc.base_get_object_type())
def test_base_reference(self):
# Check correct lifetime of the talloc'd data with multiple references
lst = []
obj = _test_pytalloc.DBaseObject(lambda: lst.append('dead'))
ref = _test_pytalloc.base_reference(obj)
del obj
gc.collect()
self.assertEqual(lst, [])
del ref
gc.collect()
self.assertEqual(lst, ['dead'])
if __name__ == '__main__':
unittest.TestProgram()
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