Add upcoming_obligated_funds property to portfolio

tests/models/test_portfolio.py

@@ -7,6 +7,51 @@ from tests.factories import (
     random_past_date,
 )
 import datetime
+import pendulum
+from decimal import Decimal
+import pytest
+
+
+@pytest.fixture(scope="function")
+def upcoming_task_order():
+    return dict(
+        signed_at=pendulum.today().subtract(days=3),
+        create_clins=[
+            dict(
+                start_date=pendulum.today().add(days=2),
+                end_date=pendulum.today().add(days=3),
+                obligated_amount=Decimal(700.0),
+            )
+        ],
+    )
+
+
+@pytest.fixture(scope="function")
+def current_task_order():
+    return dict(
+        signed_at=pendulum.today().subtract(days=3),
+        create_clins=[
+            dict(
+                start_date=pendulum.today().subtract(days=1),
+                end_date=pendulum.today().add(days=1),
+                obligated_amount=Decimal(1000.0),
+            )
+        ],
+    )
+
+
+@pytest.fixture(scope="function")
+def past_task_order():
+    return dict(
+        signed_at=pendulum.today().subtract(days=3),
+        create_clins=[
+            dict(
+                start_date=pendulum.today().subtract(days=3),
+                end_date=pendulum.today().subtract(days=2),
+                obligated_amount=Decimal(500.0),
+            )
+        ],
+    )
 
 
 def test_portfolio_applications_excludes_deleted():
@@ -85,3 +130,28 @@ def test_active_task_orders(session):
         portfolio=portfolio, signed_at=random_past_date(), clins=[CLINFactory.create()]
     )
     assert len(portfolio.active_task_orders) == 1
+
+
+class TestUpcomingObligatedFunds:
+    """
+    Tests the upcoming_obligated_funds property
+    """
+
+    def test_no_task_orders(self):
+        portfolio = PortfolioFactory()
+        assert portfolio.upcoming_obligated_funds == Decimal(0)
+
+    def test_with_upcoming(self, upcoming_task_order):
+        portfolio = PortfolioFactory(
+            task_orders=[upcoming_task_order, upcoming_task_order]
+        )
+        assert portfolio.upcoming_obligated_funds == Decimal(1400.0)
+
+    def test_with_others(
+        self, past_task_order, current_task_order, upcoming_task_order
+    ):
+        portfolio = PortfolioFactory(
+            task_orders=[past_task_order, current_task_order, upcoming_task_order]
+        )
+        # Only sums the upcoming task order
+        assert portfolio.upcoming_obligated_funds == Decimal(700.0)