Added unit tests for user login.

example-config.py

@@ -4,3 +4,4 @@ SQLALCHEMY_DATABASE_URI = 'sqlite:///wanikani.db'
 SECRET_KEY = "putabettersecretkeyhere"
 DEBUG = False
 PORT = 5000
+SQLALCHEMY_TRACK_MODIFICATIONS = False

requirements.txt

@@ -4,4 +4,5 @@ flask
 flask-login
 flask-sqlalchemy
 flask-wtf
+flask-testing
 ujson

tests.py

@@ -0,0 +1,69 @@
+import unittest
+from wanikaniburned import app, db, User
+from flask.ext.testing import TestCase
+
+
+class BaseTestCase(TestCase):
+
+    def create_app(self):
+        app.config.update(
+            TESTING=True,
+            SQLALCHEMY_DATABASE_URI='sqlite:///:memory:',
+            SECRET_KEY="testkey",
+            WTF_CSRF_ENABLED=False,
+            PRESERVE_CONTEXT_ON_EXCEPTION=False,
+            HASH_ROUNDS=1
+        )
+        return app
+
+    def setUp(self):
+        db.create_all()
+
+    def tearDown(self):
+        db.session.remove()
+        db.drop_all()
+
+
+class TestLogin(BaseTestCase):
+
+    def login(self):
+        user = User('test', False)
+        return self.client.post('/', data={'api_key': user.api_key})
+
+    def test_user_login(self):
+        response = self.login()
+        self.assertRedirects(response, '/quiz')
+
+    def test_user_logout(self):
+        response = self.login()
+        self.assertRedirects(response, '/quiz')
+        response = self.client.get('/logout')
+        self.assertRedirects(response, '/')
+
+    def test_homepage_without_login(self):
+        response = self.client.get('/')
+        self.assert200(response)
+        self.assertTemplateUsed("welcome.html")
+
+    def test_quiz_inaccessible_without_login(self):
+        response = self.client.get('/quiz')
+        self.assertRedirects(response, '/')
+
+    def test_user_items_inaccessible_without_login(self):
+        response = self.client.get('/user_items')
+        self.assertRedirects(response, '/')
+
+    def test_homepage_with_existing_login(self):
+        response = self.login()  # Login
+        self.assertRedirects(response, '/quiz')
+        response = self.client.get('/')  # Try to go back to the homepage
+        self.assertRedirects(response, '/quiz')
+
+    def test_user_items_with_existing_login(self):
+        response = self.login()  # Login
+        self.assertRedirects(response, '/quiz')
+        response = self.client.get('/user_items')
+        self.assert200(response)
+
+if __name__ == '__main__':
+    unittest.main()

wanikaniburned.py

@@ -12,7 +12,11 @@ from wtforms import StringField
 from wtforms.validators import DataRequired
 
 app = flask.Flask(__name__)
-app.config.from_pyfile('config.py')
+app.config.update(
+    PORT=5000,
+    JSON_AS_ASCII=False
+)
+app.config.from_pyfile('config.py', silent=True)
 login_manager = LoginManager()
 login_manager.init_app(app)
 db = SQLAlchemy(app)
@@ -33,12 +37,14 @@ class User(db.Model):
     gravatar = db.Column(db.String)
     last_updated = db.Column(db.DateTime)
 
-    def __init__(self, api_key):
+    def __init__(self, api_key, auto_init=True):
         self.api_key = api_key
-        self.last_updated = datetime.utcnow()
-        self.parse_radicals_and_userdata()
-        self.parse_kanji()
-        self.parse_vocabulary()
+        self.last_updated = datetime.min
+        if auto_init:
+            self.last_updated = datetime.utcnow()
+            self.parse_radicals_and_userdata()
+            self.parse_kanji()
+            self.parse_vocabulary()
         db.session.add(self)
         db.session.commit()
 
@@ -117,14 +123,14 @@ def get_items_with_level_restriction(level_range, item_state, item_types):
     items = []
     radical_count = 0
     loads = json.loads
-    if 'radical' in item_types:
+    if 'radical' in item_types and current_user.radicals:
         items.extend({'item_type': 'radical', 'answer': item['meaning'], 'question': item['image']
                      if item['image'] else item['character']} for item in loads(current_user.radicals)
                      if item['user_specific'] and item['user_specific']['srs'] in item_state
                      and item['level'] in level_range)
         radical_count = len(items)
     kanji_count = 0
-    if 'kanji' in item_types:
+    if 'kanji' in item_types and current_user.kanji:
         for item in filter((lambda x: x['user_specific'] and x['user_specific']['srs'] in item_state
                             and x['level'] in level_range), loads(current_user.kanji)):
             items.extend([{'item_type': 'kanji', 'question': item['character'],
@@ -134,7 +140,7 @@ def get_items_with_level_restriction(level_range, item_state, item_types):
                            'answer_type': 'eng'}])
         kanji_count = int((len(items) - radical_count) / 2)
     vocabulary_count = 0
-    if 'vocab' in item_types:
+    if 'vocab' in item_types and current_user.vocabulary:
         for item in filter((lambda x: x['user_specific'] and x['user_specific']['srs'] in item_state
                             and x['level'] in level_range), loads(current_user.vocabulary)):
             items.extend([{'item_type': 'vocabulary', 'question': item['character'], 'answer': item['kana'],
@@ -179,7 +185,7 @@ def show_home():
 @app.route('/quiz')
 def show_quiz():
     if not login_fresh():
-        if User.query.get(current_user.api_key):
+        if not current_user.is_anonymous and User.query.get(current_user.api_key):
             confirm_login()
             return flask.render_template("quiz.html")
         else:
@@ -224,11 +230,11 @@ def unauthorized():
     return flask.redirect(flask.url_for('show_home'))
 
 
+@app.template_filter('datetime_format')
 def datetime_format(input_data):
     return input_data.strftime("%d %B %Y %I:%M%p")
 
 
 if __name__ == '__main__':
     db.create_all()
-    app.jinja_env.filters['datetime_format'] = datetime_format
     app.run(threaded=True, port=app.config['PORT'])