Add a test to test the creation of entries with null on nullable fields

fix the entry model to not allow the title nor the date to be null

src/pilgrim/models/entry.py

@@ -11,9 +11,9 @@ from pilgrim.database import Base
 class Entry(Base):
     __tablename__ = "entries"
     id = Column(Integer, primary_key=True)
-    title = Column(String)
+    title = Column(String,nullable=False)
     text = Column(String)
-    date = Column(DateTime)
+    date = Column(DateTime,nullable=False)
     photos = relationship(
         "Photo",
         secondary=photo_entry_association,

tests/service/test_entry_service.py

@@ -2,6 +2,7 @@ import pytest
 from datetime import datetime
 from unittest.mock import Mock
 from sqlalchemy import create_engine
+from sqlalchemy.exc import IntegrityError
 from sqlalchemy.orm import sessionmaker
 
 from pilgrim.database import Base
@@ -90,4 +91,43 @@ def test_create_entry_successfully_without_photo(populated_db_session):
     assert created_entry.text == text
     assert len(created_entry.photos) == 0
     entry_in_db = session.query(Entry).filter_by(id=created_entry.id).one()
-    assert entry_in_db.title == "Primeiro Dia na Praia"
+    assert entry_in_db.title == "Primeiro Dia na Praia"
+
+def test_create_entry_fails_with_null_title(populated_db_session):
+    session = populated_db_session
+    service = EntryService(session)
+    diary_id = 1
+    with pytest.raises(IntegrityError):
+        service.create(
+            travel_diary_id=diary_id,
+            title=None,
+            text="Um texto qualquer.",
+            date=datetime.now(),
+            photos=[]
+        )
+
+def test_create_entry_fails_with_null_date(populated_db_session):
+    session = populated_db_session
+    service = EntryService(session)
+    diary_id = 1
+    with pytest.raises(IntegrityError):
+        service.create(
+            travel_diary_id=diary_id,
+            title="Sabado de sol",
+            text="Um texto qualquer.",
+            date=None,
+            photos=[]
+        )
+
+def test_create_entry_fails_with_null_diary_id(populated_db_session):
+    session = populated_db_session
+    service = EntryService(session)
+    diary_id = 1
+    result = service.create(
+            travel_diary_id=None,
+            title="Sabado de sol",
+            text="Um texto qualquer.",
+            date=datetime.now(),
+            photos=[]
+        )
+    assert result is None