use virtual x server xvfb to make linux happy for pynput

Author: gituser12981u2

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
     - name: Install system dependencies
       run: |
         sudo apt-get update
-        sudo apt-get install -y portaudio19-dev
+        sudo apt-get install -y portaudio19-dev xvfb
 
     - name: Install dependencies
       run: |
@@ -34,4 +34,4 @@ jobs:
 
     - name: Run tests
       run: |
-        python -m unittest discover tests
+        xvfb-run --auto-servernum python -m unittest discover tests

tests/test_visualizations.py

@@ -5,17 +5,20 @@
 and horizontal_right_to_left_visualizer modules.
 """
 
+from audio_visualizer.horizontal_right_to_left_visualizer import (
+    visualize_horizontal_right_to_left)
+from audio_visualizer.horizontal_left_to_right_visualizer import (
+    visualize_horizontal_left_to_right)
+from audio_visualizer.vertical_visualizer import visualize_vertical
 import unittest
+import sys
 from unittest.mock import MagicMock, patch
 import numpy as np
 from threading import Event
 import io
 
-from audio_visualizer.vertical_visualizer import visualize_vertical
-from audio_visualizer.horizontal_left_to_right_visualizer import (
-    visualize_horizontal_left_to_right)
-from audio_visualizer.horizontal_right_to_left_visualizer import (
-    visualize_horizontal_right_to_left)
+sys.modules['pynput'] = MagicMock()
+sys.modules['pynput.keyboard'] = MagicMock()
 
 
 @patch('audio_visualizer.vertical_visualizer.os.get_terminal_size')