Add qrcode converter

tests/test_qr_code.py

+##############################################################################
+#
+#    Converter Odoo module
+#    Copyright © 2025 XCG Consulting <https://xcg-consulting.fr>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+##############################################################################
+
+from unittest import skipUnless
+
+from odoo import tests  # type: ignore[import-untyped]
+
+from .. import QRCodeDataURL, QRCodeFile, stringToQRCode
+
+
+@skipUnless(tests.can_import("qrcode"), "qrcode module not available")
+class TestQRCode(tests.TransactionCase):
+    def setUp(self):
+        super().setUp()
+        self.ready_mat = self.env["res.partner"].search(
+            [("name", "=", "Ready Mat")], limit=1
+        )
+
+    def test_print_qr_code_1(self):
+        qr = stringToQRCode("https://google.com")
+        qr.print_ascii()
+
+    def test_string_to_qr_code_2(self):
+        qr = stringToQRCode(self.ready_mat.website)
+        qr.print_ascii()
+
+    def test_qr_code_file(self):
+        converter = QRCodeFile("website")
+        img = converter.odoo_to_message(self.ready_mat)
+
+        self.assertEqual("image/png", img["mime-type"])
+        self.assertRegex(
+            img["body"],
+            r"[A-Za-z0-9+/=]+$",
+            "The generated base64 body is incorrect",
+        )
+
+    def test_qr_code_data_url(self):
+        converter = QRCodeDataURL("website")
+        url = converter.odoo_to_message(self.ready_mat)
+        self.assertRegex(
+            url,
+            r"^data:image/png;base64,[A-Za-z0-9+/=]+$",
+            "The generated Data URL is not correctly formatted",
+        )