diff --git a/addons/mass_mailing/wizard/mailing_mailing_test.py b/addons/mass_mailing/wizard/mailing_mailing_test.py
index 2ffba12ebf5..e3c1970afae 100644
--- a/addons/mass_mailing/wizard/mailing_mailing_test.py
+++ b/addons/mass_mailing/wizard/mailing_mailing_test.py
@@ -22,16 +22,28 @@ class TestMassMailing(models.TransientModel):
         mailing = self.mass_mailing_id
         test_emails = tools.email_split(self.email_to)
         mass_mail_layout = self.env.ref('mass_mailing.mass_mailing_mail_layout')
+
+        record = self.env[mailing.mailing_model_real].search([], limit=1)
+        body = mailing._prepend_preview(mailing.body_html, mailing.preview)
+        subject = mailing.subject
+
+        # If there is atleast 1 record for the model used in this mailing, then we use this one to render the template
+        # Downside: Jinja syntax is only tested when there is atleast one record of the mailing's model
+        if record:
+            # Returns a proper error if there is a syntax error with jinja
+            body = self.env['mail.render.mixin']._render_template(body, mailing.mailing_model_real, record.ids, post_process=True)[record.id]
+            subject = self.env['mail.render.mixin']._render_template(subject, mailing.mailing_model_real, record.ids)[record.id]
+
+        # Convert links in absolute URLs before the application of the shortener
+        body = self.env['mail.render.mixin']._replace_local_links(body)
+        body = tools.html_sanitize(body, sanitize_attributes=True, sanitize_style=True)
+
         for test_mail in test_emails:
-            # Convert links in absolute URLs before the application of the shortener
-            body = mailing._prepend_preview(mailing.body_html, mailing.preview)
-            body = self.env['mail.render.mixin']._replace_local_links(body)
-            body = tools.html_sanitize(body, sanitize_attributes=True, sanitize_style=True)
             mail_values = {
                 'email_from': mailing.email_from,
                 'reply_to': mailing.reply_to,
                 'email_to': test_mail,
-                'subject': mailing.subject,
+                'subject': subject,
                 'body_html': mass_mail_layout._render({'body': body}, engine='ir.qweb', minimal_qcontext=True),
                 'notification': True,
                 'mailing_id': mailing.id,
diff --git a/addons/mass_mailing_sms/wizard/mailing_sms_test.py b/addons/mass_mailing_sms/wizard/mailing_sms_test.py
index 198304dc2c6..1ea9f8718eb 100644
--- a/addons/mass_mailing_sms/wizard/mailing_sms_test.py
+++ b/addons/mass_mailing_sms/wizard/mailing_sms_test.py
@@ -24,9 +24,16 @@ class MassSMSTest(models.TransientModel):
         invalid_numbers = [number for number, info in sanitize_res.items() if info['code']]
         if invalid_numbers:
             raise exceptions.UserError(_('Following numbers are not correctly encoded: %s, example : "+32 495 85 85 77, +33 545 55 55 55"', repr(invalid_numbers)))
+        
+        record = self.env[self.mailing_id.mailing_model_real].search([], limit=1)
+        body = self.mailing_id.body_plaintext
+        if record:
+            # Returns a proper error if there is a syntax error with jinja
+            body = self.env['mail.render.mixin']._render_template(body, self.mailing_id.mailing_model_real, record.ids)[record.id]
+
         self.env['sms.api']._send_sms_batch([{
             'res_id': 0,
             'number': number,
-            'content': self.mailing_id.body_plaintext,
+            'content': body,
         } for number in sanitized_numbers])
         return True
diff --git a/addons/test_mail_full/tests/test_mass_sms.py b/addons/test_mail_full/tests/test_mass_sms.py
index 2bc1760cc60..a3e3d35e14a 100644
--- a/addons/test_mail_full/tests/test_mass_sms.py
+++ b/addons/test_mail_full/tests/test_mass_sms.py
@@ -5,6 +5,7 @@
 from odoo.addons.phone_validation.tools import phone_validation
 from odoo.addons.test_mail_full.tests.common import TestMailFullCommon
 from odoo.tests import tagged
+from odoo.tools import mute_logger
 
 
 @tagged('mass_mailing')
@@ -147,3 +148,32 @@ class TestMassSMS(TestMailFullCommon):
             [{'partner': record.customer_id, 'number': self.records_numbers[i+5], 'content': 'Dear %s this is a mass SMS.' % record.display_name} for i, record in enumerate(self.records[5:])],
             self.mailing, self.records[5:], check_sms=True
         )
+
+    @mute_logger('odoo.addons.mail.models.mail_render_mixin')
+    def test_mass_sms_test_button(self):
+        mailing = self.env['mailing.mailing'].create({
+            'name': 'TestButton',
+            'subject': 'Subject ${object.name}',
+            'preview': 'Preview ${object.name}',
+            'state': 'draft',
+            'mailing_type': 'sms',
+            'body_plaintext': 'Hello ${object.name}',
+            'mailing_model_id': self.env['ir.model']._get('res.partner').id,
+        })
+        mailing_test = self.env['mailing.sms.test'].with_user(self.user_marketing).create({
+            'numbers': '+32456001122',
+            'mailing_id': mailing.id,
+        })
+
+        with self.with_user('user_marketing'):
+            with self.mockSMSGateway():
+                mailing_test.action_send_sms()
+
+        # Test if bad jinja in the body raises an error
+        mailing.write({
+            'body_plaintext': 'Hello ${object.name_id.id}',
+        })
+
+        with self.with_user('user_marketing'):
+            with self.mock_mail_gateway(), self.assertRaises(Exception):
+                mailing_test.action_send_sms()
diff --git a/addons/test_mass_mailing/tests/test_mailing_internals.py b/addons/test_mass_mailing/tests/test_mailing_internals.py
index 48eab1853bb..5d284ef6d09 100644
--- a/addons/test_mass_mailing/tests/test_mailing_internals.py
+++ b/addons/test_mass_mailing/tests/test_mailing_internals.py
@@ -4,6 +4,7 @@
 from odoo.addons.test_mass_mailing.tests.common import TestMassMailCommon
 from odoo.addons.test_mass_mailing.data.mail_test_data import MAIL_TEMPLATE
 from odoo.tests.common import users
+from odoo.tools import mute_logger
 
 
 class TestMailingInternals(TestMassMailCommon):
@@ -22,6 +23,46 @@ class TestMailingInternals(TestMassMailCommon):
             'alias_contact': 'everyone'
         })
 
+    @mute_logger('odoo.addons.mail.models.mail_render_mixin')
+    def test_mailing_test_button(self):
+        mailing = self.env['mailing.mailing'].create({
+            'name': 'TestButton',
+            'subject': 'Subject ${object.name}',
+            'preview': 'Preview ${object.name}',
+            'state': 'draft',
+            'mailing_type': 'mail',
+            'body_html': '<p>Hello ${object.name}</p>',
+            'mailing_model_id': self.env['ir.model']._get('res.partner').id,
+        })
+        mailing_test = self.env['mailing.mailing.test'].create({
+            'email_to': 'test@test.com',
+            'mass_mailing_id': mailing.id,
+        })
+
+        with self.mock_mail_gateway():
+            mailing_test.send_mail_test()
+
+        # Test if bad jinja in the subject raises an error
+        mailing.write({'subject': 'Subject ${object.name_id.id}'})
+        with self.mock_mail_gateway(), self.assertRaises(Exception):
+                mailing_test.send_mail_test()
+
+        # Test if bad jinja in the body raises an error
+        mailing.write({
+            'subject': 'Subject ${object.name}',
+            'body_html': '<p>Hello ${object.name_id.id}</p>',
+        })
+        with self.mock_mail_gateway(), self.assertRaises(Exception):
+                mailing_test.send_mail_test()
+        
+        # Test if bad jinja in the preview raises an error
+        mailing.write({
+            'body_html': '<p>Hello ${object.name}</p>',
+            'preview': 'Preview ${object.name_id.id}',
+        })
+        with self.mock_mail_gateway(), self.assertRaises(Exception):
+                mailing_test.send_mail_test()
+
     def test_mailing_trace_update(self):
         customers = self.env['res.partner']
         for x in range(0, 3):