media-video/mpv-mpris: Add unit tests in live ebuild.

Upstream now has a functional smoke test suite
which we can leverage to implement tests.

Package-Manager: Portage-3.0.30, Repoman-3.0.3
Signed-off-by: Oliver Freyermuth <o.freyermuth@googlemail.com>

media-video/mpv-mpris/mpv-mpris-9999.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -18,20 +18,38 @@ fi
 
 SLOT="0"
 LICENSE="MIT"
-IUSE="+autoload"
+IUSE="+autoload test"
 
 RDEPEND="
 	dev-libs/glib:2
 	media-video/mpv:=[cplugins,libmpv]
 "
 DEPEND="${RDEPEND}"
-BDEPEND="virtual/pkgconfig"
+BDEPEND="virtual/pkgconfig
+	test? (
+		app-misc/jq
+		app-shells/bash
+		app-text/jo
+		media-sound/playerctl
+		net-misc/socat
+		sys-apps/dbus
+		virtual/awk
+		x11-apps/xauth
+		x11-misc/xvfb-run
+		x11-themes/sound-theme-freedesktop
+	)
+"
+RESTRICT="!test? ( test )"
 
 src_compile() {
 	tc-export CC
 	emake PKG_CONFIG="$(tc-getPKG_CONFIG)"
 }
 
+src_test() {
+	emake test
+}
+
 src_install() {
 	dolib.so mpris.so
 	use autoload && dosym -r /usr/$(get_libdir)/mpv/mpris.so /etc/mpv/scripts/mpris.so