[modules/pulseaudio] Re-enable pulseaudio module

Display volume for default PulseAudio source/sink, change volume and
mute/unmute device.

see #23

tests/modules/test_pulseaudio.py

@@ -0,0 +1,56 @@
+# pylint: disable=C0103,C0111
+
+import json
+import unittest
+import mock
+
+import bumblebee.input
+from bumblebee.input import I3BarInput
+from bumblebee.modules.pulseaudio import Module
+from tests.util import MockEngine, MockConfig, assertPopen, assertMouseEvent, assertStateContains
+
+class TestPulseAudioModule(unittest.TestCase):
+    def setUp(self):
+        self.engine = MockEngine()
+        self.engine.input = I3BarInput()
+        self.engine.input.need_event = True
+        self.config = MockConfig()
+        self.module = Module(engine=self.engine, config={ "config": self.config })
+
+    @mock.patch("select.select")
+    @mock.patch("subprocess.Popen")
+    @mock.patch("sys.stdin")
+    def test_leftclick(self, mock_input, mock_output, mock_select):
+        assertMouseEvent(mock_input, mock_output, mock_select, self.engine,
+            self.module, bumblebee.input.LEFT_MOUSE,
+            "pactl set-source-mute @DEFAULT_SOURCE@ toggle"
+        )
+
+    @mock.patch("select.select")
+    @mock.patch("subprocess.Popen")
+    @mock.patch("sys.stdin")
+    def test_rightclick(self, mock_input, mock_output, mock_select):
+        assertMouseEvent(mock_input, mock_output, mock_select, self.engine,
+            self.module, bumblebee.input.RIGHT_MOUSE,
+            "pavucontrol"
+        )
+
+    @mock.patch("select.select")
+    @mock.patch("subprocess.Popen")
+    @mock.patch("sys.stdin")
+    def test_wheelup(self, mock_input, mock_output, mock_select):
+        assertMouseEvent(mock_input, mock_output, mock_select, self.engine,
+            self.module, bumblebee.input.WHEEL_UP,
+            "pactl set-source-volume @DEFAULT_SOURCE@ +2%"
+        )
+
+    @mock.patch("select.select")
+    @mock.patch("subprocess.Popen")
+    @mock.patch("sys.stdin")
+    def test_wheeldown(self, mock_input, mock_output, mock_select):
+        assertMouseEvent(mock_input, mock_output, mock_select, self.engine,
+            self.module, bumblebee.input.WHEEL_DOWN,
+            "pactl set-source-volume @DEFAULT_SOURCE@ -2%"
+        )
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4