register in auth.py and change username to userid in tests

flaskfdx/auth.py

@@ -0,0 +1,42 @@
+import functools
+
+from flask import(
+    Blueprint, flash, g, redirect, render_template, request, session, url_for
+)
+from werkzeug.security import check_password_hash, generate_password_hash
+
+from flaskfdx.db import get_db
+
+bp = Blueprint('auth', __name__, url_prefix='/auth')
+
+@bp.route('/register', methods=('GET', 'POST'))
+def register():
+    if request.method == 'POST':
+        userid = request.form['username']
+        email = request.form['email']
+        password = request.form['password']
+        db = get_db()
+        error = None
+
+        if not userid:
+            error = 'Username if required.'
+        elif not email:
+            error = 'Email is required.'
+        elif not password:
+            error = 'Password is required.'
+
+        if error is None:
+            try:
+                db.execute(
+                    "INSERT INTO users (userid, email, password) VALUES (?, ?, ?)",
+                    (userid, email, generate_password_hash(password)),
+                )
+                db.commit()
+            except db.IntegrityError:
+                error = f"User {userid} is already registered."
+            else:
+                return redirect(url_for("auth.login"))
+
+        flash(error)
+
+    return render_template('auth/register.html')

tests/test_auth.py

@@ -5,24 +5,24 @@ from flaskfdx.db import get_db
 def test_register(client, app):
     assert client.get('/auth/register').status_code == 200
     response = client.post(
-            'auth/register', data={'username': 'a', 'password': 'a'}
+            'auth/register', data={'userid': 'a', 'email': 'a@b.c', 'password': 'a'}
     )
     assert 'http://localhost/auth/login' == response.headers['Location']
 
     with app.app_context():
         assert get_db().execute(
-            "SELECT * FROM users WHERE username = 'a'",
+            "SELECT * FROM users WHERE userid = 'a'",
         ).fetchone() is not None
 
-@pytest.mark.parametrize(('username', 'password', 'message'), (
+@pytest.mark.parametrize(('userid', 'password', 'message'), (
-    ('', '', b'Username is required.'),
+    ('', '', b'Userid is required.'),
     ('a', '', b'Password is required.'),
     ('test', 'test', b'already registered'),
 ))
-def test_register_validate_input(client, username, password, message):
+def test_register_validate_input(client, userid, password, message):
     response = client.post(
         '/auth/register',
-        data={'username': username, 'password': password}
+        data={'userid': userid, 'password': password}
     )
     assert message in response.data
 
@@ -34,14 +34,14 @@ def test_login(client, auth):
     with client:
         client.get('/')
         assert session['user_id'] == 1
-        assert g.user['username'] == 'test'
+        assert g.user['userid'] == 'test'
 
-@pytest.mark.parametrize(('username', 'password', 'message'), (
+@pytest.mark.parametrize(('userid', 'password', 'message'), (
-    ('a', 'test', b'Incorrect username'),
+    ('a', 'test', b'Incorrect userid'),
     ('test', 'a', b'Incorrect password.'),
 ))
-def test_login_validate_input(auth, username, password, message):
+def test_login_validate_input(auth, userid, password, message):
-    response = auth.login(username, password)
+    response = auth.login(userid, password)
     assert message in response.data
 
 def testz_logout(client, auth):