Merged PeterSurda/teardown-test1:

- reset BMConfigParser before reading config file
  - enable threads name check on posix systems
  - check singleton.lock in TestProcessProto.setUpClass()

src/bmconfigparser.py

@@ -124,7 +124,16 @@ class BMConfigParser(ConfigParser.SafeConfigParser):
         return [
             x for x in BMConfigParser().sections() if x.startswith('BM-')]
 
+    def _reset(self):
+        """Reset current config. There doesn't appear to be a built in
+           method for this"""
+        sections = self.sections()
+        for x in sections:
+            self.remove_section(x)
+
     def read(self, filenames):
+        """Read config and populate defaults"""
+        self._reset()
         ConfigParser.ConfigParser.read(self, filenames)
         for section in self.sections():
             for option in self.options(section):

src/tests/test_config.py

@@ -47,6 +47,7 @@ class TestProcessConfig(TestProcessProto):
     def test_config_defaults(self):
         """Test settings in the generated config"""
         self._stop_process()
+        self._kill_process()
         config = BMConfigParser()
         config.read(os.path.join(self.home, 'keys.dat'))
 

src/tests/test_process.py

@@ -5,6 +5,7 @@ Common reusable code for tests and tests for pybitmessage process.
 import os
 import signal
 import subprocess  # nosec
+import sys
 import tempfile
 import time
 import unittest
@@ -25,7 +26,26 @@ class TestProcessProto(unittest.TestCase):
     it starts pybitmessage in setUpClass() and stops it in tearDownClass()
     """
     _process_cmd = ['pybitmessage', '-d']
-    _threads_count = 15
+    _threads_count_min = 15
+    _threads_count_max = 16
+    _threads_names = [
+        'PyBitmessage',
+        'addressGenerato',
+        'singleWorker',
+        'SQL',
+        'objectProcessor',
+        'singleCleaner',
+        'singleAPI',
+        'Asyncore',
+        'ReceiveQueue_0',
+        'ReceiveQueue_1',
+        'ReceiveQueue_2',
+        'Announcer',
+        'InvBroadcaster',
+        'AddrBroadcaster',
+        'Downloader',
+        'Uploader'
+    ]
     _files = (
         'keys.dat', 'debug.log', 'messages.dat', 'knownnodes.dat',
         '.api_started', 'unittest.lock'
@@ -41,15 +61,28 @@ class TestProcessProto(unittest.TestCase):
             cls._cleanup_files()
         os.environ['BITMESSAGE_HOME'] = cls.home
         put_signal_file(cls.home, 'unittest.lock')
+        starttime = int(time.time())
         subprocess.Popen(
             cls._process_cmd,
             stdout=subprocess.PIPE, stderr=subprocess.STDOUT)  # nosec
-        time.sleep(5)
+        timeout = starttime + 30
+        while time.time() <= timeout:
             try:
+                if os.path.exists(os.path.join(cls.home,
+                                               'singleton.lock')):
+                    pstat = os.stat(os.path.join(cls.home, 'singleton.lock'))
+                    if starttime <= pstat.st_mtime and pstat.st_size > 0:
+                        break
+            except OSError:
+                break
+            time.sleep(1)
+        if time.time() >= timeout:
+            raise psutil.TimeoutExpired(
+                "Timeout starting {}".format(cls._process_cmd))
+        # wait a bit for the program to fully start
+        # 10 sec should be enough
+        time.sleep(10)
         cls.pid = int(cls._get_readline('singleton.lock'))
-        except TypeError:
-            cls.flag = True
-            return
         cls.process = psutil.Process(cls.pid)
 
     def setUp(self):
@@ -73,6 +106,18 @@ class TestProcessProto(unittest.TestCase):
             return False
         return True
 
+    @classmethod
+    def _kill_process(cls, timeout=5):
+        try:
+            cls.process.send_signal(signal.SIGKILL)
+            cls.process.wait(timeout)
+        # Windows or already dead
+        except (AttributeError, psutil.NoSuchProcess):
+            return True
+        # except psutil.TimeoutExpired propagates, it means something is very
+        # wrong
+        return True
+
     @classmethod
     def _cleanup_files(cls):
         cleanup(cls.home, cls._files)
@@ -82,7 +127,6 @@ class TestProcessProto(unittest.TestCase):
         """Ensures that pybitmessage stopped and removes files"""
         try:
             if not cls._stop_process():
-                print(open(os.path.join(cls.home, 'debug.log'), 'rb').read())
                 cls.process.kill()
         except (psutil.NoSuchProcess, AttributeError):
             pass
@@ -90,25 +134,49 @@ class TestProcessProto(unittest.TestCase):
             cls._cleanup_files()
 
     def _test_threads(self):
-        # only count for now
+        """Test number and names of threads"""
+
+        # pylint: disable=invalid-name
+        self.longMessage = True
+
+        try:
+            # using ps for posix platforms
             # because of https://github.com/giampaolo/psutil/issues/613
-        # PyBitmessage
-        #   - addressGenerator
-        #   - singleWorker
-        #   - SQL
-        #   - objectProcessor
-        #   - singleCleaner
-        #   - singleAPI
-        #   - Asyncore
-        #   - ReceiveQueue_0
-        #   - ReceiveQueue_1
-        #   - ReceiveQueue_2
-        #   - Announcer
-        #   - InvBroadcaster
-        #   - AddrBroadcaster
-        #   - Downloader
-        self.assertEqual(
-            len(self.process.threads()), self._threads_count)
+            thread_names = subprocess.check_output([
+                "ps", "-L", "-o", "comm=", "--pid",
+                str(self.process.pid)
+            ]).split()
+        except:  # pylint: disable=bare-except
+            thread_names = []
+
+        running_threads = len(thread_names)
+        if 0 < running_threads < 30:  # adequacy check
+            extra_threads = []
+            missing_threads = []
+            for thread_name in thread_names:
+                if thread_name not in self._threads_names:
+                    extra_threads.append(thread_name)
+            for thread_name in self._threads_names:
+                if thread_name not in thread_names:
+                    missing_threads.append(thread_name)
+
+            msg = "Missing threads: {}, Extra threads: {}".format(
+                ",".join(missing_threads), ",".join(extra_threads))
+        else:
+            running_threads = self.process.num_threads()
+            if sys.platform.startswith('win'):
+                running_threads -= 1  # one extra thread on Windows!
+            msg = "Unexpected running thread count"
+
+        self.assertGreaterEqual(
+            running_threads,
+            self._threads_count_min,
+            msg)
+
+        self.assertLessEqual(
+            running_threads,
+            self._threads_count_max,
+            msg)
 
 
 class TestProcessShutdown(TestProcessProto):
@@ -123,6 +191,13 @@ class TestProcessShutdown(TestProcessProto):
     @classmethod
     def tearDownClass(cls):
         """Special teardown because pybitmessage is already stopped"""
+        try:
+            if cls.process.is_running():
+                cls.process.kill()
+                cls.process.wait(5)
+        except (psutil.TimeoutExpired, psutil.NoSuchProcess):
+            pass
+        finally:
             cls._cleanup_files()