Add a basic test

.gitignore

@@ -1,5 +1,6 @@
-node_modules
+node_modules/
 .sass-cache/
 static/fonts/*
 .webassets-cache
 scss/assets
+.pytest_cache/

.travis.yml

@@ -0,0 +1,5 @@
+language: python
+  python:
+    - "3.6"
+  script:
+    - python -m pytest

pytest.ini

@@ -0,0 +1,2 @@
+[pytest]
+norecursedirs = .venv .git node_modules

requirements.txt

@@ -1,2 +1,4 @@
 tornado==5.0.2
 webassets==0.12.1
+pytest==3.6.0
+pytest-tornado==0.5.0

tests/test_basic.py

@@ -0,0 +1,12 @@
+import pytest
+import tornado.web
+from app import make_app
+
+@pytest.fixture
+def app():
+    return make_app()
+
+@pytest.mark.gen_test
+def test_hello_world(http_client, base_url):
+    response = yield http_client.fetch(base_url)
+    assert response.code == 200