Added a theme selector

backend/tests/test_api.py

@@ -62,9 +62,25 @@ def test_configuration_requires_authentication_and_admin_role():
     assert client.get('/api/admin/smtp', headers=login_headers('bob')).status_code == 403
 
 
+def test_admin_can_select_multiple_themes():
+    headers = login_headers()
+    response = client.put('/api/admin/themes', headers=headers, json={
+        'themes': ['plain-day', 'plain-night', 'latte', 'frappe', 'macchiato', 'mocha', 'dracula', 'nord', 'solarized'],
+    })
+    assert response.status_code == 200
+    assert response.json()['enabled'] == ['plain-day', 'plain-night', 'latte', 'frappe', 'macchiato', 'mocha', 'dracula', 'nord', 'solarized']
+    public_response = client.get('/api/public/themes')
+    assert public_response.status_code == 200
+    assert [theme['id'] for theme in public_response.json()] == response.json()['enabled']
+
+    assert client.put('/api/admin/themes', headers=headers, json={'themes': []}).status_code == 422
+
+
 def test_admin_can_save_and_validate_smtp_settings():
     headers = login_headers()
     original = get_smtp_settings()
+    with get_connection() as conn:
+        original_row = conn.execute('SELECT value FROM app_settings WHERE name = ?', ('smtp',)).fetchone()
     response = client.put('/api/admin/smtp', headers=headers, json={
         'smtp_host': 'smtp.example.com',
         'smtp_port': 587,
@@ -97,7 +113,18 @@ def test_admin_can_save_and_validate_smtp_settings():
             'smtp_use_tls': False,
         })
 
-    client.put('/api/admin/smtp', headers=headers, json=original)
+    with get_connection() as conn:
+        if original_row is None:
+            conn.execute('DELETE FROM app_settings WHERE name = ?', ('smtp',))
+        else:
+            conn.execute(
+                'UPDATE app_settings SET value = ?, updated_at = CURRENT_TIMESTAMP WHERE name = ?',
+                (original_row['value'], 'smtp'),
+            )
+        conn.commit()
+    with get_connection() as conn:
+        conn.execute('DELETE FROM app_settings WHERE name = ?', ('admin_smtp_mail_rate',))
+        conn.commit()
 
 
 def test_admin_reports_smtp_validation_errors():