[tests] Added engine and module tests

Added those two unit tests together, as they are tightly linked together
anyhow.

tests/test_engine.py

@@ -0,0 +1,83 @@
+# pylint: disable=C0103,C0111,W0703,W0212
+
+import shlex
+import unittest
+
+from bumblebee.error import ModuleLoadError
+from bumblebee.engine import Engine
+from bumblebee.config import Config
+import bumblebee.input
+
+from mocks import MockOutput, MockInput
+
+class TestEngine(unittest.TestCase):
+    def setUp(self):
+        self.engine = Engine(config=Config(), output=MockOutput(), inp=MockInput())
+        self.singleWidgetModule = [{"module": "test", "name": "a"}]
+        self.testModule = "test"
+        self.invalidModule = "no-such-module"
+        self.testModuleSpec = "bumblebee.modules.{}".format(self.testModule)
+        self.testModules = [
+            {"module": "test", "name": "a"},
+            {"module": "test", "name": "b"},
+        ]
+
+    def test_stop(self):
+        self.assertTrue(self.engine.running())
+        self.engine.stop()
+        self.assertFalse(self.engine.running())
+
+    def test_load_module(self):
+        module = self.engine._load_module(self.testModule)
+        self.assertEquals(module.__module__, self.testModuleSpec)
+
+    def test_load_invalid_module(self):
+        with self.assertRaises(ModuleLoadError):
+            self.engine._load_module(self.invalidModule)
+
+    def test_load_none(self):
+        with self.assertRaises(ModuleLoadError):
+            self.engine._load_module(None)
+
+    def test_load_modules(self):
+        modules = self.engine.load_modules(self.testModules)
+        self.assertEquals(len(modules), len(self.testModules))
+        self.assertEquals(
+            [module.__module__ for module in modules],
+            [self.testModuleSpec for module in modules]
+        )
+
+    def test_run(self):
+        self.engine.load_modules(self.singleWidgetModule)
+        try:
+            self.engine.run()
+        except Exception as e:
+            self.fail(e)
+
+    def test_custom_cmd(self):
+        testmodules = [
+            { "name": "test", "button": "test.left-click", "action": "echo" },
+            { "name": "test:alias", "button": "alias.right-click", "action": "echo2" },
+        ]
+        cmd = "-m"
+        for test in testmodules:
+            cmd += " " + test["name"]
+        cmd += " -p"
+        for test in testmodules:
+            cmd += " " + test["button"] + "=" + test["action"]
+        cfg = Config(shlex.split(cmd))
+        inp = MockInput()
+        engine = Engine(config=cfg, output=MockOutput(), inp=inp)
+
+        i = 0
+        for module in engine.modules():
+            callback = inp.get_callback(module.id)
+            self.assertTrue(callback is not None)
+            self.assertEquals(callback["command"], testmodules[i]["action"])
+            if "left" in testmodules[i]["button"]:
+                self.assertTrue(callback["button"], bumblebee.input.LEFT_MOUSE)
+            if "right" in testmodules[i]["button"]:
+                self.assertTrue(callback["button"], bumblebee.input.RIGHT_MOUSE)
+            i += 1
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4