debugpy/tests/ptvsd/test_modules_manager.py
2018-03-23 00:52:09 -07:00

114 lines
3.4 KiB
Python

import sys
import threading
import time
import unittest
import ptvsd.untangle
from ptvsd.wrapper import ModulesManager
class ModulesEventSink(object):
def __init__(self):
self.event_data = []
self._lock = threading.Lock()
def send_event(self, event, **kwargs):
with self._lock:
self.event_data.append({
'event': event,
'args': kwargs,
})
class ModulesManagerTests(unittest.TestCase):
def test_invalid_module(self):
sink = ModulesEventSink()
mgr = ModulesManager(sink)
self.assertEqual(None,
mgr.add_or_get_from_path('abc.py'))
self.assertEqual(0, len(sink.event_data))
self.assertEqual([],
mgr.get_all())
def test_valid_new_module(self):
sink = ModulesEventSink()
mgr = ModulesManager(sink)
orig_module = sys.modules['ptvsd.untangle']
expected_module = {
'id': 1,
'name': orig_module.__name__,
'package': orig_module.__package__,
'path': orig_module.__file__,
'version': orig_module.__version__,
}
self.assertEqual(expected_module,
mgr.add_or_get_from_path(ptvsd.untangle.__file__))
self.assertEqual(1, len(sink.event_data))
self.assertEqual([expected_module],
mgr.get_all())
self.assertEqual([
{
'event': 'module',
'args': {
'reason': 'new',
'module': expected_module,
},
},
],
sink.event_data)
def test_get_only_module(self):
sink = ModulesEventSink()
mgr = ModulesManager(sink)
expected_module = {
'id': 1,
'name': 'abc.xyz',
'package': 'abc',
'path': '/abc/xyz.py',
'version': '1.2.3.4a1',
}
mgr.path_to_module_id['/abc/xyz.py'] = 1
mgr.module_id_to_details[1] = expected_module
self.assertEqual(expected_module,
mgr.add_or_get_from_path('/abc/xyz.py'))
self.assertEqual(0, len(sink.event_data))
self.assertEqual([expected_module],
mgr.get_all())
def test_add_multi_thread(self):
sink = ModulesEventSink()
self.mgr = ModulesManager(sink)
orig_module = sys.modules['ptvsd.untangle']
expected_module = {
'id': 1,
'name': orig_module.__name__,
'package': orig_module.__package__,
'path': orig_module.__file__,
'version': orig_module.__version__,
}
self.path = orig_module.__file__
def thread_worker(test, expected):
time.sleep(0.01)
test.assertEqual(expected_module,
test.mgr.add_or_get_from_path(test.path))
threads = []
for _ in range(10):
thread = threading.Thread(target=thread_worker,
args=(self, expected_module))
threads.append(thread)
thread.start()
for thread in threads:
thread.join()
self.assertEqual(1, len(sink.event_data))
self.assertEqual([expected_module],
self.mgr.get_all())