Added test for sponsership model

Author: abhayymishraa

backend/tests/nest/model/__init__.py

@@ -0,0 +1,136 @@
+from unittest.mock import Mock, patch
+
+import pytest
+from django.utils import timezone
+
+from apps.github.models.issue import Issue
+from apps.nest.models.sponsorship import Sponsorship
+
+PRICE_USD = 100.0
+
+
+class TestSponsorshipModel:
+    @pytest.mark.parametrize(
+        ("price_usd", "deadline_at", "slack_user_id"),
+        [
+            (100.0, timezone.now(), "U12345"),
+            (200.0, None, "U67890"),
+        ],
+    )
+    @patch.object(Sponsorship, "save")
+    def test_update_data(self, mock_save, price_usd, deadline_at, slack_user_id):
+        """Test the update_data method of the Sponsorship model."""
+        sponsorship = Sponsorship()
+
+        updated_sponsorship = Sponsorship.update_data(
+            sponsorship,
+            price_usd=price_usd,
+            deadline_at=deadline_at,
+            slack_user_id=slack_user_id,
+        )
+
+        assert updated_sponsorship.price_usd == price_usd
+        assert updated_sponsorship.deadline_at == deadline_at
+        assert updated_sponsorship.slack_user_id == slack_user_id
+        mock_save.assert_called_once()
+
+    @patch.object(Sponsorship, "save")
+    def test_update_data_save_called(self, mock_save):
+        """Test that the save method is called when updating sponsorship data."""
+        sponsorship = Sponsorship()
+
+        Sponsorship.update_data(
+            sponsorship,
+            price_usd=PRICE_USD,
+            deadline_at=timezone.now(),
+            slack_user_id="U12345",
+        )
+
+        mock_save.assert_called_once()
+
+    @pytest.mark.parametrize(
+        ("initial_price", "updated_price", "initial_deadline", "updated_deadline"),
+        [
+            (50.0, 100.0, timezone.now(), timezone.now()),
+            (200.0, 150.0, None, timezone.now()),
+        ],
+    )
+    @patch.object(Sponsorship, "save")
+    def test_update_data_partial_updates(
+        self, mock_save, initial_price, updated_price, initial_deadline, updated_deadline
+    ):
+        """Test partial updates using the update_data method."""
+        sponsorship = Sponsorship(price_usd=initial_price, deadline_at=initial_deadline)
+
+        Sponsorship.update_data(sponsorship, price_usd=updated_price)
+        assert sponsorship.price_usd == updated_price
+        assert sponsorship.deadline_at == initial_deadline
+        mock_save.assert_called_once()
+
+        mock_save.reset_mock()
+
+        # Update only the deadline
+        Sponsorship.update_data(sponsorship, deadline_at=updated_deadline)
+        assert sponsorship.price_usd == updated_price
+        assert sponsorship.deadline_at == updated_deadline
+        mock_save.assert_called_once()
+
+    @patch("apps.nest.models.sponsorship.Sponsorship.objects.create")
+    def test_sponsorship_creation(self, mock_create):
+        """Test creating a Sponsorship instance in the database."""
+        issue = Mock(spec=Issue, title="Test Issue", url="https://github.com/OWASP/Nest/issues/1")
+        issue._state = Mock()
+
+        mock_create.return_value = Sponsorship(
+            issue=issue,
+            price_usd=PRICE_USD,
+            slack_user_id="U12345",
+        )
+
+        sponsorship = Sponsorship.objects.create(
+            issue=issue,
+            price_usd=100.0,
+            slack_user_id="U12345",
+        )
+
+        assert sponsorship.issue == issue
+        assert sponsorship.price_usd == PRICE_USD
+        assert sponsorship.slack_user_id == "U12345"
+        assert sponsorship.deadline_at is None
+        mock_create.assert_called_once_with(
+            issue=issue,
+            price_usd=100.0,
+            slack_user_id="U12345",
+        )
+
+    @patch("apps.nest.models.sponsorship.Sponsorship.objects.create")
+    def test_sponsorship_with_deadline(self, mock_create):
+        """Test creating a Sponsorship instance with a deadline."""
+        # Mock the Issue instance with _state attribute
+        issue = Mock(spec=Issue, title="Test Issue", url="https://github.com/OWASP/Nest/issues/1")
+        issue._state = Mock()
+
+        deadline = timezone.now()
+
+        # Mock the return value of Sponsorship.objects.create
+        mock_create.return_value = Sponsorship(
+            issue=issue,
+            price_usd=100.0,
+            slack_user_id="U12345",
+            deadline_at=deadline,
+        )
+
+        sponsorship = Sponsorship.objects.create(
+            issue=issue,
+            price_usd=100.0,
+            slack_user_id="U12345",
+            deadline_at=deadline,
+        )
+
+        assert sponsorship.deadline_at == deadline
+        mock_create.assert_called_once_with(
+            issue=issue,
+            price_usd=100.0,
+            slack_user_id="U12345",
+            deadline_at=deadline,
+        )