def app():
application = create_app()
with application.app_context():
init_db()
#get_db()
get_db().executescript(_data_sql)
return application
def register():
"""Register a new user.
Validates that the username is not already taken. Hashes the
password for security.
"""
if request.method == "POST":
username = request.form["username"]
password = request.form["password"]
db = get_db()
error = None
if not username:
error = "Username is required."
elif not password:
error = "Password is required."
elif (db.execute("SELECT id FROM user WHERE username = ?",
(username, )).fetchone() is not None):
error = "User {0} is already registered.".format(username)
if error is None:
# the name is available, store it in the database and go to
# the login page
db.execute(
"INSERT INTO user (username, password) VALUES (?, ?)",
(username, generate_password_hash(password)),
)
db.commit()
return redirect(url_for("auth.login"))
flash(error)
return render_template("auth/register.html")
def app():
"""Create and configure a new app instance for each test."""
# create a temporary file to isolate the database for each test
db_fd, db_path = tempfile.mkstemp()
# create the app with common test config
app = create_app({"TESTING": True, "DATABASE": db_path})
# create the database and load test data
with app.app_context():
init_db()
get_db().executescript(_data_sql)
yield app
# close and remove the temporary database
os.close(db_fd)
os.unlink(db_path)
def test_delete(client, auth, app):
auth.login()
response = client.post("/1/delete")
assert response.headers["Location"] == "http://localhost/"
with app.app_context():
db = get_db()
post = db.execute("SELECT * FROM post WHERE id = 1").fetchone()
assert post is None
def test_update(client, auth, app):
auth.login()
assert client.get("/1/update").status_code == 200
client.post("/1/update", data={"title": "updated", "body": ""})
with app.app_context():
db = get_db()
post = db.execute("SELECT * FROM post WHERE id = 1").fetchone()
assert post["title"] == "updated"
def test_create(client, auth, app):
auth.login()
assert client.get("/create").status_code == 200
client.post("/create", data={"title": "created", "body": ""})
with app.app_context():
db = get_db()
count = db.execute("SELECT COUNT(id) FROM post").fetchone()[0]
assert count == 2
def load_logged_in_user():
"""If a user id is stored in the session, load the user object from
the database into ``g.user``."""
user_id = session.get("user_id")
if user_id is None:
g.user = None
else:
g.user = (get_db().execute("SELECT * FROM user WHERE id = ?",
(user_id, )).fetchone())
def test_author_required(app, client, auth):
# change the post author to another user
with app.app_context():
db = get_db()
db.execute("UPDATE post SET author_id = 2 WHERE id = 1")
db.commit()
auth.login()
# current user can't modify other user's post
assert client.post("/1/update").status_code == 403
assert client.post("/1/delete").status_code == 403
# current user doesn't see edit link
assert b'href="/1/update"' not in client.get("/").data
def test_register(client, app):
# test that viewing the page renders without template errors
assert client.get("/auth/register").status_code == 200
# test that successful registration redirects to the login page
response = client.post("/auth/register", data={"username": "******", "password": "******"})
assert "http://localhost/auth/login" == response.headers["Location"]
# test that the user was inserted into the database
with app.app_context():
assert (
get_db().execute("select * from user where username = '******'").fetchone()
is not None
)
def login():
"""Log in a registered user by adding the user id to the session."""
if request.method == "POST":
username = request.form["username"]
password = request.form["password"]
db = get_db()
error = None
user = db.execute("SELECT * FROM user WHERE username = ?",
(username, )).fetchone()
if user is None:
error = "Incorrect username."
elif not check_password_hash(user["password"], password):
error = "Incorrect password."
if error is None:
# store the user id in a new session and return to the index
session.clear()
session["user_id"] = user["id"]
return redirect(url_for("index"))
flash(error)
return render_template("auth/login.html")