[mousetrap/gnome3-wip: 228/240] Add tests for mousetrap.core.Observable.

[Heidi Ellis <heidiellis src gnome org>]

commit ec1e8a916d0f1f77e85c07cd906fb9ea00caa701
Author: Stoney Jackson <dr stoney gmail com>
Date:   Mon Jun 30 17:29:12 2014 -0400

    Add tests for mousetrap.core.Observable.

 src/mousetrap/tests/test_core.py |   63 ++++++++++++++++++++++++++++++++++++++
 1 files changed, 63 insertions(+), 0 deletions(-)
---
diff --git a/src/mousetrap/tests/test_core.py b/src/mousetrap/tests/test_core.py
new file mode 100644
index 0000000..0345894
--- /dev/null
+++ b/src/mousetrap/tests/test_core.py
@@ -0,0 +1,63 @@
+import unittest
+from mousetrap.core import Loop, Observable
+
+
+class test_observable(unittest.TestCase):
+
+    def setUp(self):
+        self.observable = Observable()
+        self.client1 = Client()
+        self.client2 = Client()
+
+    def test_observable_callback_noArguments_success(self):
+        self.observable.subscribe(self.client1)
+        self.observable._fire('callback')
+        self.assertTrue(
+                len(self.client1.callback_params) == 1,
+                msg="callback not called."
+                )
+
+    def test_observable_callback_withArguments_success(self):
+        self.observable._add_argument('param', 'param')
+        self.observable.subscribe(self.client1)
+        self.observable._fire('callback')
+        self.assertEquals(
+                'param', self.client1.callback_params[0]['param'],
+                msg="param not passed correctly."
+                )
+
+    def test_multiple_subscribers(self):
+        self.observable.subscribe(self.client1)
+        self.observable.subscribe(self.client2)
+        self.observable._fire('callback')
+        self.assertTrue(
+                len(self.client1.callback_params) == 1,
+                msg="callback not called on client1."
+                )
+        self.assertTrue(
+                len(self.client2.callback_params) == 1,
+                msg="callback not called on client2."
+                )
+
+
+class Client(object):
+    def __init__(self):
+        self.callback_params = []
+
+    def callback(self, param=None):
+        self.callback_params.append({'param':param})
+
+
+
+class test_Loop(unittest.TestCase):
+
+    def setUp(self):
+        self.config = {'loops_per_second': 10}
+        self.loop = Loop(self.config, app=None)
+
+    def test_loop(self):
+        self.loop.start()
+
+
+if __name__ == '__main__':
+    unittest.main()