Add virtual buffer to make the GTK tests work

.gitlab-ci.yml

@@ -33,6 +33,9 @@ test:
   before_script:
     - ./cicd/install-project-deps.sh
     - ./cicd/start-dbus.sh
+    - apt install xvfb
+    - Xvfb :119 -screen 0 1024x768x16 &
+    - export DISPLAY=:119
   script:
     - pipenv run ./cicd/pytest.sh
   artifacts:

cicd/python-build/Dockerfile

@@ -33,6 +33,7 @@ RUN apt update && \
         python3-pip \
         tk-dev \
         wget \
+        xvfb \
         xz-utils \
         zlib1g-dev
 

sublime-music.metainfo.xml

@@ -5,7 +5,7 @@
     <metadata_license>FSFAP</metadata_license>
     <project_license>GPL-3.0+</project_license>
     <name>Sublime Music</name>
-    <summary>Native Subsonic client for Linux</summary>
+    <summary>A native GTK music player with *sonic support</summary>
 
     <description>
         <p>

sublime/app.py

@@ -258,14 +258,14 @@ class SublimeMusicApp(Gtk.Application):
         inital_sync_result = AdapterManager.initial_sync()
         inital_sync_result.add_done_callback(lambda _: self.update_window())
 
-        # Start a loop for testing the ping.
-        def ping_update():
+        # Start a loop for periodically updating the window every 10 seconds.
+        def periodic_update():
             if self.exiting:
                 return
             self.update_window()
-            GLib.timeout_add(10000, ping_update)
+            GLib.timeout_add(10000, periodic_update)
 
-        GLib.timeout_add(10000, ping_update)
+        GLib.timeout_add(10000, periodic_update)
 
         # Prompt to load the play queue from the server.
         if self.app_config.server.sync_enabled:
@@ -536,6 +536,8 @@ class SublimeMusicApp(Gtk.Application):
         if self.app_config.state.current_song_index < 0:
             return
 
+        self.app_config.state.playing = not self.app_config.state.playing
+
         if self.player.song_loaded:
             self.player.toggle_play()
             self.save_play_queue()
@@ -543,7 +545,6 @@ class SublimeMusicApp(Gtk.Application):
             # This is from a restart, start playing the file.
             self.play_song(self.app_config.state.current_song_index)
 
-        self.app_config.state.playing = not self.app_config.state.playing
         self.update_window()
 
     def on_next_track(self, *args):

tests/common_ui_tests.py

@@ -1,5 +1,10 @@
 from pathlib import Path
 
+import gi
+
+gi.require_version("Gtk", "3.0")
+from gi.repository import Gtk  # noqa: F401
+
 from sublime.ui import common