diff --git a/pyproject.toml b/pyproject.toml
index ed64fc06e..ab8923c37 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ requires = ["setuptools >= 61.0", "wheel"]
 [project]
 name = "trimesh"
 requires-python = ">=3.7"
-version = "4.2.1"
+version = "4.2.2"
 authors = [{name = "Michael Dawson-Haggerty", email = "mikedh@kerfed.com"}]
 license = {file = "LICENSE.md"}
 description = "Import, export, process, analyze and view triangular meshes."
diff --git a/tests/test_viewer.py b/tests/test_viewer.py
index f48d896be..79373721e 100644
--- a/tests/test_viewer.py
+++ b/tests/test_viewer.py
@@ -28,6 +28,36 @@ def test_viewer(self):
 
         assert len(png) > 0
 
+    def test_methods(self):
+        if not g.include_rendering:
+            return
+        # set a GL config that fixes a depth buffer issue in xvfb
+        # this should raise an exception if pyglet can't get a library
+        from pyglet import gl
+        from pyglet.window import key
+
+        from trimesh.viewer.windowed import SceneViewer
+
+        window_conf = gl.Config(double_buffer=True, depth_size=24)
+
+        # try the various toggles we have implemented
+        key_check = [key.W, key.Z, key.C, key.A, key.G, key.M, key.F]
+
+        scene = g.get_mesh("cycloidal.3DXML")
+        scene.add_geometry(g.get_mesh("fuze.obj"))
+        scene.add_geometry(g.get_mesh("2D/spline.DXF"))
+
+        v = SceneViewer(scene=scene, start_loop=False, window_conf=window_conf)
+        v.on_draw()
+
+        # see if these do anything
+        for k in key_check:
+            v.on_key_press(symbol=k, modifiers=None)
+            v.on_draw()
+
+        # run the quit key toggle
+        v.on_key_press(symbol=key.Q, modifiers=None)
+
 
 if __name__ == "__main__":
     g.trimesh.util.attach_to_log()