From 9baa55436bc5a98d118a17656bbf25e563522964 Mon Sep 17 00:00:00 2001
From: Mitsuo Tokumori <rtokumori@pucp.edu.pe>
Date: Sun, 29 Oct 2023 06:59:37 -0500
Subject: Add unit tests

---
 tests/test_auth.py | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 tests/test_auth.py

(limited to 'tests/test_auth.py')

diff --git a/tests/test_auth.py b/tests/test_auth.py
new file mode 100644
index 0000000..401b61f
--- /dev/null
+++ b/tests/test_auth.py
@@ -0,0 +1,62 @@
+import pytest
+from flask import g, session
+from flaskr.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'}
+    )
+    assert response.headers["Location"] == "/auth/login"
+
+    with app.app_context():
+        assert get_db().execute(
+            "SELECT * FROM user WHERE username = 'a'",
+        ).fetchone() is not None
+
+
+@pytest.mark.parametrize(('username', 'password', 'message'), (
+    ('', '', b'Username is required.'),
+    ('a', '', b'Password is required.'),
+    ('test', 'test', b'already registered'),
+))
+def test_register_validate_input(client, username, password, message):
+    response = client.post(
+        '/auth/register',
+        data={'username': username, 'password': password}
+    )
+    assert message in response.data
+
+
+def test_login(client, auth):
+    assert client.get('/auth/login').status_code == 200
+    response = auth.login()
+    assert response.headers["Location"] == "/"
+
+    with client:
+        """
+        Using client in a with block allows accessing context variables such as
+        session after the response is returned. Normally, accessing session
+        outside of a request would raise an error.
+        """
+        client.get('/')
+        assert session['user_id'] == 1
+        assert g.user['username'] == 'test'
+
+
+@pytest.mark.parametrize(('username', 'password', 'message'), (
+    ('a', 'test', b'Incorrect username.'),
+    ('test', 'a', b'Incorrect password.'),
+))
+def test_login_validate_input(auth, username, password, message):
+    response = auth.login(username, password)
+    assert message in response.data
+
+
+def test_logout(client, auth):
+    auth.login()
+
+    with client:
+        auth.logout()
+        assert 'user_id' not in session
-- 
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