feat: add ScanType model

api/db_migrations/versions/da6527f6cd76_create_scan_types_table.py

@@ -0,0 +1,31 @@
+"""create scan types table
+
+Revision ID: da6527f6cd76
+Revises: b9ab107cd56a
+Create Date: 2021-08-23 20:09:57.730128
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+
+# revision identifiers, used by Alembic.
+revision = "da6527f6cd76"
+down_revision = "b9ab107cd56a"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        "scan_types",
+        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
+        sa.Column("name", sa.Unicode(255), nullable=False, unique=True),
+        sa.Column("created_at", sa.DateTime, default=sa.func.now()),
+        sa.Column("updated_at", sa.DateTime, onupdate=sa.func.utc_timestamp()),
+    )
+
+
+def downgrade():
+    op.drop_table("scan_types")

api/models/ScanType.py

@@ -0,0 +1,35 @@
+import datetime
+import uuid
+
+from sqlalchemy import DateTime, Column, String
+from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy.orm import validates
+
+
+from models import Base
+
+
+class ScanType(Base):
+    __tablename__ = "scan_types"
+
+    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    name = Column(String, nullable=False, index=False, unique=True)
+    created_at = Column(
+        DateTime,
+        index=False,
+        unique=False,
+        nullable=False,
+        default=datetime.datetime.utcnow,
+    )
+    updated_at = Column(
+        DateTime,
+        index=False,
+        unique=False,
+        nullable=True,
+        onupdate=datetime.datetime.utcnow,
+    )
+
+    @validates("name")
+    def validate_name(self, _key, value):
+        assert value != ""
+        return value

api/tests/models/test_ScanType.py

@@ -0,0 +1,49 @@
+import pytest
+
+from sqlalchemy.exc import IntegrityError
+
+from models.ScanType import ScanType
+
+
+def test_scan_type_model():
+    scan_type = ScanType(name="name")
+    assert scan_type.name == "name"
+
+
+def test_scan_type_model_saved(assert_new_model_saved, session):
+    scan_type = ScanType(name="name")
+    session.add(scan_type)
+    session.commit()
+    assert scan_type.name == "name"
+    assert_new_model_saved(scan_type)
+    session.delete(scan_type)
+    session.commit()
+
+
+def test_scan_type_empty_name_fails(session):
+    scan_type = ScanType()
+    session.add(scan_type)
+    with pytest.raises(IntegrityError):
+        session.commit()
+    session.rollback()
+
+
+def test_scan_type_duplicate_name_fails(assert_new_model_saved, session):
+    scan_type = ScanType(name="name")
+
+    session.add(scan_type)
+    session.commit()
+
+    assert scan_type.name == "name"
+    assert_new_model_saved(scan_type)
+
+    scan_type_two = ScanType(name="name")
+
+    session.add(scan_type_two)
+
+    with pytest.raises(IntegrityError):
+        session.commit()
+
+    session.rollback()
+    session.delete(scan_type)
+    session.commit()