Added basic event notification capabilities, first event

1 files changed, 32 insertions, 0 deletions

diff --git a/notifier_unittest.py b/notifier_unittest.py
new file mode 100644
index 0000000..721a5fd
--- /dev/null
+++ b/notifier_unittest.py
@@ -0,0 +1,32 @@
+import pytest
+
+from notifier import Notifier
+
+@pytest.fixture
+def uut():
+    return Notifier()
+
+def checkEvent(uut, event):
+    callbacks = 2
+    calledFlags = [False] * 2
+
+    def createCallback(i):
+        def cb():
+            nonlocal calledFlags
+            calledFlags[i] = True
+        return cb
+
+    for i in range(0, callbacks):
+        uut.registerCallback(event, createCallback(i))
+
+    assert not any(calledFlags)
+    uut.notify(event)
+    assert all(calledFlags)
+
+def test_allEvents(uut):
+    checkEvent(uut, Notifier.PLAYING_STATE_EVENT)
+
+def test_eventWithoutRegisteredCallbacks(uut):
+    uut.notify(Notifier.PLAYING_STATE_EVENT)
+    # expect no crash
+