Add test for interaction between process_takes and process_remainder

tests/py/test_billing_payday.py

@@ -439,7 +439,7 @@ def test_process_remainder(self):
             assert cursor.one("select balance from payday_teams where slug='TheEnterprise'") == 0
             payday.update_balances(cursor)
 
-        assert P('alice').balance == D('0.49')
+        assert P('alice').balance == D('0.49') # Alice had $1 and gave away $0.51
         assert P('picard').balance == D('0.51')
 
         payment = self.db.one("SELECT * FROM payments WHERE direction='to-participant'")
@@ -531,7 +531,6 @@ def run_through_takes(self):
             self.payday.process_takes(cursor, self.payday.ts_start)
             self.payday.update_balances(cursor)
 
-
     # pt - process_takes
 
     def test_pt_processes_takes(self):
@@ -610,6 +609,19 @@ def test_pt_is_NOT_happy_to_deal_the_owner_in(self):
         assert P('bruiser').balance == D('250.00')
         assert P('picard').balance  == D(' 50.00')
 
+    def test_process_remainder_only_processes_pt_leftovers(self):
+        self.make_member('alice', 100)
+        self.start_payday()
+        with self.db.get_cursor() as cursor:
+            self.payday.prepare(cursor)
+            cursor.run("UPDATE payday_teams SET balance=500")
+            self.payday.process_takes(cursor, self.payday.ts_start)
+            self.payday.process_remainder(cursor)
+            self.payday.update_balances(cursor)
+
+        assert P('alice').balance == D('100')
+        assert P('picard').balance == D('400') # Owner receives whatever is left
+
 
 class TestNotifyParticipants(EmailHarness):