Added AB controller with some tests, minor refactor to playlist

1 files changed, 66 insertions, 0 deletions

diff --git a/abcontroller_unittest.py b/abcontroller_unittest.py
new file mode 100644
index 0000000..0ee1554
--- /dev/null
+++ b/abcontroller_unittest.py
@@ -0,0 +1,66 @@
+from abcontroller import ABController
+from collections import namedtuple
+
+AB = namedtuple("AB", ["a", "b"])
+
+def checkLimits(uut, aLimit, bLimit):
+    Test = namedtuple("Test", ["currentPosition", "requestedPosition"])
+    tests = [
+        Test(aLimit - 0.1, None),
+        Test(aLimit, None),
+        Test(bLimit - 0.1, None),
+        Test(bLimit, None),
+        Test(bLimit + 0.1, aLimit)
+    ]
+
+    requestedPosition = None
+    def callback(newPosition):
+        nonlocal requestedPosition
+        requestedPosition = newPosition
+    
+    originalCallback = uut.setPositionCallback
+    uut.setPositionCallback = callback
+
+    for t in tests:
+        uut.positionChanged(t.currentPosition)
+        assert requestedPosition == t.requestedPosition
+
+    uut.setPositionCallback = originalCallback
+
+def test_oneSetOfLimits():
+    song = "/path/to/song"
+    abLimits = AB(0.2, 0.4)
+
+    uut = ABController()
+    uut.setCurrentSong(song)
+    uut.addLimits(abLimits.a, abLimits.b)
+    uut.setCurrentLimits(0)
+
+    checkLimits(uut, abLimits.a, abLimits.b)
+
+def test_multipleSetsOfLimits():
+    song = "/path/to/song"
+    abLimits = [
+        AB(0.2, 0.4),
+        AB(0.3, 0.5),
+        AB(0.0, 1.2)
+    ]
+
+    uut = ABController()
+    uut.setCurrentSong(song)
+    for l in abLimits:
+        uut.addLimits(l.a, l.b)
+    
+    for i, l in enumerate(abLimits):
+        uut.setCurrentLimits(i)
+        checkLimits(uut, l.a, l.b)
+
+def test_multipleSongs():
+    # different limits in each song
+    pass
+
+def test_disableAbRepeat():
+    pass
+
+def test_addLimitsToSong():
+    pass