[tests] Added first module tests (for CPU)

I finally *really* need to get started on testing. I've had too many
releases in too short time intervals now, all because of small
bugs/oversights.

tests/modules/test_cpu.py

@@ -0,0 +1,26 @@
+import unittest
+
+import bumblebee.config
+import bumblebee.modules.cpu
+
+class FakeOutput(object):
+    def add_callback(self, cmd, button, module=None):
+        pass
+
+class TestCpuModule(unittest.TestCase):
+    def setUp(self):
+        output = FakeOutput()
+        config = bumblebee.config.Config(["-m", "cpu"])
+        self.cpu = bumblebee.modules.cpu.Module(output, config, None)
+
+    def test_documentation(self):
+        self.assertTrue(hasattr(bumblebee.modules.cpu, "description"))
+        self.assertTrue(hasattr(bumblebee.modules.cpu, "parameters"))
+
+    def test_warning(self):
+        self.assertTrue(hasattr(self.cpu, "warning"))
+
+    def test_critical(self):
+        self.assertTrue(hasattr(self.cpu, "critical"))
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4