Index: tests/test_schedule.py
===================================================================
--- tests/test_schedule.py	(revision 401678c89093d7ef3f4689b554c2f5ba5eba3a14)
+++ tests/test_schedule.py	(revision 401678c89093d7ef3f4689b554c2f5ba5eba3a14)
@@ -0,0 +1,112 @@
+import pytest
+from flowtimer.Schedule import Schedule
+from flowtimer.Phase import Phase
+
+class TestSchedule:
+    
+    def test_schedule_initialization(self):
+        phase1 = Phase("Warm-up", 300)
+        phase2 = Phase("Workout", 600)
+        schedule = Schedule([phase1, phase2])
+    
+        assert schedule.phase_list == [phase1, phase2]
+        assert schedule.current_phase == phase1
+        assert schedule.state == "initial"
+        assert schedule.progressbar is None
+        assert schedule.currentValue == 0
+
+    def test_schedule_start(self):
+        phase1 = Phase("Warm-up", 300)
+        schedule = Schedule([phase1])
+        schedule.start()
+    
+        assert schedule.state == "running"
+        assert schedule.current_phase.running() is True
+    
+    def test_schedule_pause(self):
+        phase1 = Phase("Warm-up", 300)
+        schedule = Schedule([phase1])
+        schedule.start()
+        schedule.pause()
+    
+        assert schedule.state == "paused"
+        assert schedule.is_paused() is True
+
+    def test_schedule_abort(self):
+        phase1 = Phase("Warm-up", 300)
+        schedule = Schedule([phase1])
+        schedule.start()
+        schedule.abort()
+    
+        assert schedule.state == "finished"
+        assert schedule.current_phase.finished() is True
+
+    def test_schedule_finished(self):
+        phase1 = Phase("Warm-up", 300)
+        phase2 = Phase("Workout", 600)
+        schedule = Schedule([phase1, phase2])
+    
+        assert schedule.finished() is False
+    
+        phase1.start()
+        phase1.tick(300)
+        assert phase1.finished() is True
+        assert schedule.finished() is False
+    
+        schedule.skip()
+        schedule.current_phase.tick(600)
+        assert schedule.finished() is True
+
+    def test_schedule_skip(self):
+        phase1 = Phase("Warm-up", 300)
+        phase2 = Phase("Workout", 600)
+        schedule = Schedule([phase1, phase2])
+    
+        schedule.start()
+        schedule.skip()
+    
+        assert schedule.current_phase == phase2
+
+    def test_schedule_skip_at_final_phase(self):
+        phase1 = Phase("Warm-up", 300)
+        schedule = Schedule([phase1])
+    
+        schedule.start()
+        schedule.skip()
+    
+        assert schedule.state == "finished"
+
+    def test_schedule_tick(self):
+        phase1 = Phase("Warm-up", 300)
+        phase2 = Phase("Workout", 600)
+        schedule = Schedule([phase1, phase2])
+    
+        schedule.start()
+        schedule.tick(300)
+    
+        assert phase1.finished() is True
+        assert schedule.current_phase == phase2
+        assert schedule.state == "running"
+
+    def test_schedule_tick_to_completion(self):
+        phase1 = Phase("Warm-up", 300)
+        phase2 = Phase("Workout", 600)
+        schedule = Schedule([phase1, phase2])
+    
+        schedule.start()
+        schedule.tick(300)  # Should finish phase1 and move to phase2
+        schedule.tick(600)  # Should finish phase2 and complete the schedule
+    
+        assert phase2.finished() is True
+        assert schedule.finished() is True
+
+    def test_schedule_current_phase_is_final(self):
+        phase1 = Phase("Warm-up", 300)
+        phase2 = Phase("Workout", 600)
+        schedule = Schedule([phase1, phase2])
+    
+        assert schedule.current_phase_is_final() is False
+    
+        schedule.skip()
+        assert schedule.current_phase_is_final() is True
+