tests/backoffice_pages/test_form_inspect.py

@@ -429,6 +429,15 @@ def test_inspect_page(pub, local_user):
     assert resp.pyquery('#test-tool-result p:last-child').text() == 'Invalid filter "not a field"'
     assert pub.loggederror_class.count() == 0
 
+    # check there's a custom hint when a template is used as condition
+    resp.form['test_mode'] = 'django-condition'
+    resp.form['django-condition'] = '{% if True %}hello{% endif %}'
+    resp = resp.form.submit()
+    assert (
+        resp.pyquery('#test-tool-result p.hint').text()
+        == 'This tool expects a condition, not a complete template.'
+    )
+
 
 def test_inspect_page_with_related_objects(pub):
     user = create_user(pub, is_admin=True)

wcs/backoffice/management.py

@@ -85,7 +85,7 @@ from ..qommon.form import (
 )
 from ..qommon.misc import ellipsize, get_type_name, is_ascii_digit
 from ..qommon.substitution import CompatibilityNamesDict, SubtreeVar
-from ..qommon.template import Template
+from ..qommon.template import DjangoTemplateSyntaxError, Template
 from ..qommon.upload_storage import PicklableUpload
 from .submission import FormFillPage
 
@@ -3744,8 +3744,9 @@ class FormBackOfficeStatusPage(FormStatusPage):
             # show test result
             test_mode = form.get_widget('test_mode').parse()
             if test_mode in ('django-condition', 'python-condition'):
+                condition_value = form.get_widget(test_mode).parse()
                 condition = Condition(
-                    {'value': form.get_widget(test_mode).parse(), 'type': test_mode.split('-')[0]},
+                    {'value': condition_value, 'type': test_mode.split('-')[0]},
                     record_errors=False,
                 )
                 try:
@@ -3754,6 +3755,12 @@ class FormBackOfficeStatusPage(FormStatusPage):
                     r += htmltext('<div class="errornotice">')
                     r += htmltext('<p>%s</p>') % _('Failed to evaluate condition')
                     r += self.get_inspect_error_message(exception)
+                    if isinstance(exception, DjangoTemplateSyntaxError) and Template.is_template_string(
+                        condition_value, ezt_support=False
+                    ):
+                        r += htmltext('<p class="hint">%s</p>') % _(
+                            'This tool expects a condition, not a complete template.'
+                        )
                     r += htmltext('</div>')
                 else:
                     r += htmltext('<div class="test-tool-result infonotice">')