Set up basic testing framework with py.test

We're just testing that the about route works at all. We aren't even
testing that it does anything. But this represents wiring together a
bunch of things to get tests working including configuration
specifications, DB connections, table definitions, the app itself, etc

conftest.py

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+import logging
+
+import pytest
+
+import vanth.config
+import vanth.tables
+from vanth.server import create_app
+
+LOGGER = logging.getLogger(__name__)
+
+def pytest_cmdline_main():
+    logging.basicConfig()
+    logging.getLogger().setLevel(logging.DEBUG)
+
+@pytest.fixture(scope='session')
+def tables():
+    return vanth.tables
+
+@pytest.fixture
+def app(configuration):
+    _app = create_app(configuration)
+    _app.config['TESTING'] = True
+    return _app
+
+@pytest.fixture(scope="session")
+def db_connection_uri(configuration):
+    return configuration.db
+
+@pytest.fixture(scope='session')
+def config_specification():
+    return vanth.config.SPECIFICATION

pytest.ini

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+[pytest]
+norecursedirs = build ve node_modules
+addopts=--tb=short

tests/api/test_about.py

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+def test_about(client):
+    response = client.get('/about/')
+    assert response.status_code == 200