First steps of a watcher test suite

tests/base/__init__.py

@@ -12,12 +12,14 @@ import unittest
 
 from .test_db import DbTestCase
 from .test_scanner import ScannerTestCase
+from .test_watcher import suite as watcher_suite
 
 def suite():
     suite = unittest.TestSuite()
 
     suite.addTest(unittest.makeSuite(DbTestCase))
     suite.addTest(unittest.makeSuite(ScannerTestCase))
+    suite.addTest(watcher_suite())
 
     return suite
 

tests/base/test_watcher.py

@@ -0,0 +1,144 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# vim:fenc=utf-8
+#
+# This file is part of Supysonic.
+# Supysonic is a Python implementation of the Subsonic server API.
+#
+# Copyright (C) 2017 Alban 'spl0k' Féron
+#
+# Distributed under terms of the GNU AGPLv3 license.
+
+import io
+import os
+import shutil
+import tempfile
+import time
+import unittest
+
+from contextlib import contextmanager
+from threading import Thread
+
+from supysonic.db import get_store, Track, Artist
+from supysonic.managers.folder import FolderManager
+from supysonic.watcher import SupysonicWatcher
+
+from ..testbase import TestConfig
+
+class WatcherTestConfig(TestConfig):
+    DAEMON = {
+        'wait_delay': 0.5,
+        'log_file': None,
+        'log_level': 'DEBUG'
+    }
+
+    def __init__(self, db_uri):
+        super(WatcherTestConfig, self).__init__(False, False)
+        self.BASE['database_uri'] = db_uri
+
+class WatcherTestBase(unittest.TestCase):
+    @contextmanager
+    def _get_store(self):
+        store = None
+        try:
+            store = get_store('sqlite:///' + self.__dbfile)
+            yield store
+            store.commit()
+            store.close()
+        except:
+            store.rollback()
+            store.close()
+            raise
+
+    def setUp(self):
+        self.__dbfile = tempfile.mkstemp()[1]
+        conf = WatcherTestConfig('sqlite:///' + self.__dbfile)
+        self.__sleep_time = conf.DAEMON['wait_delay'] + 1
+
+        with self._get_store() as store:
+            with io.open('schema/sqlite.sql', 'r') as sql:
+                schema = sql.read()
+                for statement in schema.split(';'):
+                    store.execute(statement)
+
+        self.__watcher = SupysonicWatcher(conf)
+        self.__thread = Thread(target = self.__watcher.run)
+
+    def tearDown(self):
+        os.unlink(self.__dbfile)
+
+    def _start(self):
+        self.__thread.start()
+        time.sleep(0.2)
+
+    def _stop(self):
+        self.__watcher.stop()
+        self.__thread.join()
+
+    def _is_alive(self):
+        return self.__thread.is_alive()
+
+    def _sleep(self):
+        time.sleep(self.__sleep_time)
+
+class NothingToWatchTestCase(WatcherTestBase):
+    def test_spawn_useless_watcher(self):
+        self._start()
+        time.sleep(0.2)
+        self.assertFalse(self._is_alive())
+        self._stop()
+
+class WatcherTestCase(WatcherTestBase):
+    def setUp(self):
+        super(WatcherTestCase, self).setUp()
+        self.__dir = tempfile.mkdtemp()
+        with self._get_store() as store:
+            FolderManager.add(store, 'Folder', self.__dir)
+        self._start()
+
+    def tearDown(self):
+        self._stop()
+        shutil.rmtree(self.__dir)
+        super(WatcherTestCase, self).tearDown()
+
+    @staticmethod
+    def _tempname():
+        with tempfile.NamedTemporaryFile() as f:
+            return os.path.basename(f.name)
+
+    def assertTrackCountEqual(self, expected):
+        with self._get_store() as store:
+            self.assertEqual(store.find(Track).count(), expected)
+
+    def test_add(self):
+        shutil.copyfile('tests/assets/folder/silence.mp3', os.path.join(self.__dir, self._tempname() + '.mp3'))
+        self.assertTrackCountEqual(0)
+        self._sleep()
+        self.assertTrackCountEqual(1)
+
+    def test_add_nowait_stop(self):
+        shutil.copyfile('tests/assets/folder/silence.mp3', os.path.join(self.__dir, self._tempname() + '.mp3'))
+        self._stop()
+        self.assertTrackCountEqual(1)
+
+    def test_add_multiple(self):
+        shutil.copyfile('tests/assets/folder/silence.mp3', os.path.join(self.__dir, self._tempname() + '.mp3'))
+        shutil.copyfile('tests/assets/folder/silence.mp3', os.path.join(self.__dir, self._tempname() + '.mp3'))
+        shutil.copyfile('tests/assets/folder/silence.mp3', os.path.join(self.__dir, self._tempname() + '.mp3'))
+        self.assertTrackCountEqual(0)
+        self._sleep()
+        with self._get_store() as store:
+            self.assertEqual(store.find(Track).count(), 3)
+            self.assertEqual(store.find(Artist).count(), 1)
+
+def suite():
+    suite = unittest.TestSuite()
+
+    suite.addTest(unittest.makeSuite(NothingToWatchTestCase))
+    suite.addTest(unittest.makeSuite(WatcherTestCase))
+
+    return suite
+
+if __name__ == '__main__':
+    unittest.main()
+

tests/testbase.py

@@ -8,6 +8,7 @@
 #
 # Distributed under terms of the GNU AGPLv3 license.
 
+import inspect
 import io
 import shutil
 import sys
@@ -33,14 +34,15 @@ class TestConfig(DefaultConfig):
     def __init__(self, with_webui, with_api):
         super(TestConfig, self).__init__()
 
-        for attr, value in self.__class__.__dict__.iteritems():
-            if attr.startswith('_') or attr != attr.upper():
-                continue
+        for cls in reversed(inspect.getmro(self.__class__)):
+            for attr, value in cls.__dict__.iteritems():
+                if attr.startswith('_') or attr != attr.upper():
+                    continue
 
-            if isinstance(value, dict):
-                setattr(self, attr, value.copy())
-            else:
-                setattr(self, attr, value)
+                if isinstance(value, dict):
+                    setattr(self, attr, value.copy())
+                else:
+                    setattr(self, attr, value)
 
         self.WEBAPP.update({
             'mount_webui': with_webui,