add AcceptedTerm SQLAlchemy ORM model

Signed-off-by: Kevin Morris <kevr@0cost.org>

aurweb/models/accepted_term.py

+from sqlalchemy.orm import mapper
+
+from aurweb.db import make_relationship
+from aurweb.models.term import Term
+from aurweb.models.user import User
+from aurweb.schema import AcceptedTerms
+
+
+class AcceptedTerm:
+    def __init__(self,
+                 User: User = None, Term: Term = None,
+                 Revision: int = None):
+        self.User = User
+        self.Term = Term
+        self.Revision = Revision
+
+
+properties = {
+    "User": make_relationship(User, AcceptedTerms.c.UsersID, "accepted_terms"),
+    "Term": make_relationship(Term, AcceptedTerms.c.TermsID, "accepted")
+}
+
+mapper(AcceptedTerm, AcceptedTerms, properties=properties,
+       primary_key=[AcceptedTerms.c.UsersID, AcceptedTerms.c.TermsID])

test/test_accepted_term.py

+import pytest
+
+from sqlalchemy.exc import IntegrityError
+
+from aurweb.db import create, delete, query
+from aurweb.models.accepted_term import AcceptedTerm
+from aurweb.models.account_type import AccountType
+from aurweb.models.term import Term
+from aurweb.models.user import User
+from aurweb.testing import setup_test_db
+
+user, term, accepted_term = None, None, None
+
+
+@pytest.fixture(autouse=True)
+def setup():
+    global user, term, accepted_term
+
+    setup_test_db("Users", "AcceptedTerms", "Terms")
+
+    account_type = query(AccountType,
+                         AccountType.AccountType == "User").first()
+    user = create(User, Username="test", Email="test@example.org",
+                  RealName="Test User", Passwd="testPassword",
+                  account_type=account_type)
+
+    term = create(Term, Description="Test term", URL="https://test.term")
+
+    yield term
+
+    delete(Term, Term.ID == term.ID)
+    delete(User, User.ID == user.ID)
+
+
+def test_accepted_term():
+    accepted_term = create(AcceptedTerm, User=user, Term=term)
+
+    # Make sure our AcceptedTerm relationships got initialized properly.
+    assert accepted_term.User == user
+    assert accepted_term in user.accepted_terms
+    assert accepted_term in term.accepted
+
+    delete(AcceptedTerm, AcceptedTerm.User == user, AcceptedTerm.Term == term)
+
+
+def test_accepted_term_null_user_raises_exception():
+    from aurweb.db import session
+    with pytest.raises(IntegrityError):
+        create(AcceptedTerm, Term=term)
+    session.rollback()
+
+
+def test_accepted_term_null_term_raises_exception():
+    from aurweb.db import session
+    with pytest.raises(IntegrityError):
+        create(AcceptedTerm, User=user)
+    session.rollback()