tests: add some Django/ezt templates tests (#19442)

tests/test_backoffice_pages.py

@@ -2028,6 +2028,17 @@ def test_backoffice_submission_substitution_vars(pub):
     resp = resp.form.submit('submit')
     assert 'XPLOPYbarZ' in resp.body
 
+    # django-templated comment
+    formdef.fields[4] = fields.CommentField(id='5',
+            label='dj-{{ form_var_foobar }}-an-{{ form_var_foobar2_raw}}-go', type='comment')
+    formdef.store()
+    formdef.data_class().wipe()
+    resp = app.get('/backoffice/submission/form-title/')
+    resp.form['f1'].value = 'foo'
+    resp.form['f10'].value = 'bar'
+    resp = resp.form.submit('submit')
+    assert 'dj-foo-an-bar-go' in resp.body
+
     formdef.data_class().wipe()
 
     # same but starting from a draft, as if it was initiated by welco
@@ -2042,7 +2053,7 @@ def test_backoffice_submission_substitution_vars(pub):
     resp.form['f1'].value = 'PLOP'
     resp.form['f10'].value = 'bar'
     resp = resp.form.submit('submit')
-    assert 'XPLOPYbarZ' in resp.body
+    assert 'dj-PLOP-an-bar-go' in resp.body
 
 def test_backoffice_submission_manual_channel(pub):
     user = create_user(pub)
@@ -3850,3 +3861,14 @@ query_string_allowed_vars = foo,bar
     assert resp.location == 'http://example.net/backoffice/submission/test/'
     resp = resp.follow()
     assert '<p class="comment-field ">XbarY</p>' in resp.body
+
+    # django template
+    formdef.fields = [
+        fields.CommentField(id='7', label='d{{ session_var_foo }}o', type='comment'),
+    ]
+    formdef.store()
+    formdef.data_class().wipe()
+    resp = app.get('/backoffice/submission/test/?session_var_foo=jang')
+    assert resp.location == 'http://example.net/backoffice/submission/test/'
+    resp = resp.follow()
+    assert '<p class="comment-field ">django</p>' in resp.body