Add basic database test

tests/test_amanuensis.py

@@ -1,5 +0,0 @@
-from amanuensis import __version__
-
-
-def test_version():
-    assert __version__ == '0.1.0'

tests/test_db.py

@@ -0,0 +1,25 @@
+import pytest
+from sqlalchemy import func
+
+from amanuensis.database import DbContext
+from amanuensis.models import *
+
+
+@pytest.fixture
+def session():
+    db = DbContext('sqlite:///:memory:', debug=True)
+    db.create_all()
+    return db.session
+
+
+def test_create(session):
+    """Simple test that the database creates fine from scratch."""
+    assert session.query(func.count(User.id)).scalar() == 0
+    assert session.query(func.count(Lexicon.id)).scalar() == 0
+    assert session.query(func.count(Membership.id)).scalar() == 0
+    assert session.query(func.count(Character.id)).scalar() == 0
+    assert session.query(func.count(Article.id)).scalar() == 0
+    assert session.query(func.count(ArticleIndex.id)).scalar() == 0
+    assert session.query(func.count(ArticleIndexRule.id)).scalar() == 0
+    assert session.query(func.count(ArticleContentRule.id)).scalar() == 0
+    assert session.query(func.count(Post.id)).scalar() == 0