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test_objfile_callbacks.py
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102 lines (76 loc) · 2.82 KB
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# -*- coding: utf-8 -*-
# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
import unittest
from unittest.mock import patch
import gdb
from crash.util import safe_get_symbol_value
from crash.infra.callback import ObjfileEventCallback
class TestCallback(unittest.TestCase):
def setUp(self):
gdb.execute("file")
def tearDown(self):
gdb.execute("file")
def load_file(self):
gdb.execute("file tests/test-util")
def get_test_class(self):
class test_class(ObjfileEventCallback):
def __init__(self, *args, **kwargs):
self.called = False
self.checked = False
self.result = None
super(test_class, self).__init__(*args, **kwargs)
self.connect_callback()
def check_ready(self):
self.checked = True
return safe_get_symbol_value('main')
def callback(self, result):
self.called = True
self.result = result
return test_class
def test_registering(self):
test_class = self.get_test_class()
with patch.object(test_class, 'check_target', return_value=True):
x = test_class()
self.assertFalse(x.called)
self.assertFalse(x.completed)
self.assertFalse(x.checked)
self.assertTrue(x.result is None)
self.load_file()
self.assertTrue(x.checked)
self.assertTrue(x.called)
self.assertTrue(x.completed)
self.assertTrue(isinstance(x.result, gdb.Value))
def test_early_callback_with_target_wait(self):
test_class = self.get_test_class()
x = test_class()
self.assertFalse(x.called)
self.assertFalse(x.completed)
self.assertFalse(x.checked)
self.assertTrue(x.result is None)
self.load_file()
self.assertFalse(x.called)
self.assertFalse(x.completed)
self.assertFalse(x.checked)
self.assertTrue(x.result is None)
x.target_ready()
self.assertTrue(x.checked)
self.assertTrue(x.called)
self.assertTrue(x.completed)
self.assertTrue(isinstance(x.result, gdb.Value))
def test_early_callback_without_target_wait(self):
test_class = self.get_test_class()
x = test_class(False)
self.assertFalse(x.called)
self.assertFalse(x.completed)
self.assertFalse(x.checked)
self.assertTrue(x.result is None)
self.load_file()
self.assertTrue(x.called)
self.assertTrue(x.completed)
self.assertTrue(x.checked)
self.assertTrue(isinstance(x.result, gdb.Value))
x.target_ready()
self.assertTrue(x.checked)
self.assertTrue(x.called)
self.assertTrue(x.completed)
self.assertTrue(isinstance(x.result, gdb.Value))