From 83467ee0004c4169c12cadbe05c24d24d172a89f Mon Sep 17 00:00:00 2001
From: Dmitri Bogomolov <4glitch@gmail.com>
Date: Sat, 20 Feb 2021 19:15:34 +0200
Subject: [PATCH 1/2] A test for playSound(): raises an exception if there is
 no plugin

---
 src/bitmessageqt/tests/main.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/bitmessageqt/tests/main.py b/src/bitmessageqt/tests/main.py
index b3aa67fa..5e6b3a07 100644
--- a/src/bitmessageqt/tests/main.py
+++ b/src/bitmessageqt/tests/main.py
@@ -34,7 +34,7 @@ class TestBase(unittest.TestCase):
                 self.fail('Exception in the main thread: %s' % exc)
 
 
-class TestMain(unittest.TestCase):
+class TestMain(TestBase):
     """Test case for main window - basic features"""
 
     def test_translate(self):
@@ -44,6 +44,11 @@ class TestMain(unittest.TestCase):
             QtCore.QString
         )
 
+    @unittest.skipIf(bitmessageqt.get_plugins, 'skip plugin absence test')
+    def test_sound(self):
+        """Check if playing sound raises an exception if there is no plugin"""
+        self.window.playSound(bitmessageqt.sound.SOUND_CONNECTED, None)
+
 
 class TestUISignaler(TestBase):
     """Test case for UISignalQueue"""

From 7d4977364d9dbab122171f4112ac845683ccba92 Mon Sep 17 00:00:00 2001
From: Dmitri Bogomolov <4glitch@gmail.com>
Date: Sat, 20 Feb 2021 22:48:55 +0200
Subject: [PATCH 2/2] Minimal test for plugins checking pkg_resources

---
 src/plugins/tests.py | 16 ++++++++++++++++
 src/tests/core.py    |  3 +++
 2 files changed, 19 insertions(+)
 create mode 100644 src/plugins/tests.py

diff --git a/src/plugins/tests.py b/src/plugins/tests.py
new file mode 100644
index 00000000..5de96e9a
--- /dev/null
+++ b/src/plugins/tests.py
@@ -0,0 +1,16 @@
+import unittest
+from importlib import import_module
+
+try:
+    import pkg_resources
+except ImportError:
+    pkg_resources = None
+
+
+class TestPlugins(unittest.TestCase):
+    """Test case for plugins package"""
+    def test_get_plugin(self):
+        """Import from plugin raises ImportError without pkg_resources"""
+        if pkg_resources is None:
+            with self.assertRaises(ImportError):
+                import_module('plugin')
diff --git a/src/tests/core.py b/src/tests/core.py
index 52cea234..2085c0ef 100644
--- a/src/tests/core.py
+++ b/src/tests/core.py
@@ -424,6 +424,9 @@ def run():
         qt_tests = loader.loadTestsFromModule(bitmessageqt.tests)
         suite.addTests(qt_tests)
 
+    import plugins.tests
+    suite.addTests(loader.loadTestsFromModule(plugins.tests))
+
     def keep_exc(ex_cls, exc, tb):  # pylint: disable=unused-argument
         """Own exception hook for test cases"""
         excQueue.put(('tests', exc))