Update tests to lxml > 4.7, thus requiring at least that version.

CHANGES.rst

@@ -5,7 +5,8 @@ Changelog
 4.3 (unreleased)
 ----------------
 
-- Nothing changed yet.
+- Update tests to ``lxml > 4.7``, thus requiring at least that version.
+  (`#107 <https://github.com/zopefoundation/z3c.form/issues/107>`_)
 
 
 4.2 (2021-07-29)

setup.py

@@ -85,7 +85,7 @@ def alltests():
             'zope.pagetemplate >= 3.6.2',
         ],
         test=[
-            'lxml >= 4.2',
+            'lxml >= 4.7.1',
             'persistent',
             'z3c.template >= 1.3',
             'zc.sourcefactory',

src/z3c/form/form.rst

@@ -922,12 +922,12 @@ When the form renders, the label has now changed:
   >>> addForm = PersonAddForm(root, TestRequest())
   >>> addTemplate(addForm)
   >>> addForm.update()
-  >>> print(testing.render(addForm, './/xmlns:div[2][@class="row"]'))
+  >>> print(testing.render(addForm, './/xmlns:div[2][@class="row"]'))  # doctest: +NOPARSE_MARKUP
   <div class="row">
     <label for="form-widgets-name">Full Name</label>
-    <input class="text-widget required textline-field"
-           id="form-widgets-name" name="form.widgets.name" type="text" value="">
+      <input id="form-widgets-name" name="form.widgets.name" class="text-widget required textline-field" value="" type="text" />
   </div>
+  ...
 
 
 Adding a "Cancel" button
@@ -966,15 +966,14 @@ After registering the new action manager,
 the add form should display a cancel button:
 
   >>> addForm.update()
-  >>> print(testing.render(addForm, './/xmlns:div[@class="action"]'))
+  >>> print(testing.render(addForm, './/xmlns:div[@class="action"]'))  # doctest: +NOPARSE_MARKUP
   <div class="action">
-    <input type="submit" id="form-buttons-add" name="form.buttons.add"
-           class="submit-widget button-field" value="Add" />
+    <input id="form-buttons-add" name="form.buttons.add" class="submit-widget button-field" value="Add" type="submit" />
   </div>
   <div class="action">
-    <input type="submit" id="form-buttons-cancel" name="form.buttons.cancel"
-           class="submit-widget button-field" value="Cancel" />
+    <input id="form-buttons-cancel" name="form.buttons.cancel" class="submit-widget button-field" value="Cancel" type="submit" />
   </div>
+  ...
 
 But showing the button does not mean it does anything. So we also need a
 custom action handler to handle the cancel action:
@@ -1159,8 +1158,9 @@ Let's now resubmit the form with valid data, so the data should be updated.
   >>> editForm = PersonEditForm(root[u'srichter'], request)
   >>> addTemplate(editForm)
   >>> editForm.update()
-  >>> print(testing.render(editForm, './/xmlns:i'))
-  <i>Data successfully updated.</i>
+  >>> print(testing.render(editForm, './/xmlns:i'))  # doctest: +NOPARSE_MARKUP
+  <i >Data successfully updated.</i>
+  ...
 
   >>> stephan = root[u'srichter']
   >>> stephan.name
@@ -1222,8 +1222,9 @@ When submitting the form without any changes, the form will tell you so.
   >>> editForm = PersonEditForm(root[u'srichter'], request)
   >>> addTemplate(editForm)
   >>> editForm.update()
-  >>> print(testing.render(editForm, './/xmlns:i'))
-  <i>No changes were applied.</i>
+  >>> print(testing.render(editForm, './/xmlns:i'))  # doctest: +NOPARSE_MARKUP
+  <i >No changes were applied.</i>
+  ...
 
 
 Changing Status Messages
@@ -1247,8 +1248,9 @@ Let's now change the ``noChangesMessage``:
 
   >>> editForm.noChangesMessage = u'No changes were detected in the form data.'
   >>> editForm.update()
-  >>> print(testing.render(editForm, './/xmlns:i'))
-  <i>No changes were detected in the form data.</i>
+  >>> print(testing.render(editForm, './/xmlns:i'))  # doctest: +NOPARSE_MARKUP
+  <i >No changes were detected in the form data.</i>
+  ...
 
 When even more flexibility is required within a project, one could also
 implement these messages as properties looking up an attribute value. However,
@@ -1785,11 +1787,11 @@ The button will be available when context is not empty.
   >>> myForm = SequenceForm(context, request)
   >>> myForm.update()
   >>> addTemplate(myForm)
-  >>> print(testing.render(myForm, './/xmlns:div[@class="action"]'))
+  >>> print(testing.render(myForm, './/xmlns:div[@class="action"]'))  # doctest: +NOPARSE_MARKUP
   <div class="action">
-    <input type="submit" id="form-buttons-empty" name="form.buttons.empty"
-           class="submit-widget button-field" value="Empty" />
+    <input id="form-buttons-empty" name="form.buttons.empty" class="submit-widget button-field" value="Empty" type="submit" />
   </div>
+  ...
 
 The button will not be available when the context is empty.
 

src/z3c/form/group.rst

@@ -200,15 +200,17 @@ Let's now submit the form, but forgetting to enter the address:
 
   >>> add = RegistrationAddForm(None, request)
   >>> add.update()
-  >>> print(testing.render(add, './/xmlns:i'))
-  <i>There were some errors.</i>
+  >>> print(testing.render(add, './/xmlns:i'))  # doctest: +NOPARSE_MARKUP
+  <i >There were some errors.</i>
+  ...
 
-  >>> print(testing.render(add, './/xmlns:fieldset[1]/xmlns:ul'))
-  <ul>
+  >>> print(testing.render(add, './/xmlns:fieldset[1]/xmlns:ul'))  # doctest: +NOPARSE_MARKUP
+  <ul >
     <li>
       Address: <div class="error">Required input is missing.</div>
     </li>
   </ul>
+  ...
 
 As you can see, the template is clever enough to just report the errors at the
 top of the form, but still report the actual problem within the group.
@@ -233,29 +235,33 @@ So what happens, if errors happen inside and outside a group?
 
   >>> add = RegistrationAddForm(None, request)
   >>> add.update()
-  >>> print(testing.render(add, './/xmlns:i'))
-  <i>There were some errors.</i>
+  >>> print(testing.render(add, './/xmlns:i'))  # doctest: +NOPARSE_MARKUP
+  <i >There were some errors.</i>
+  ...
 
-  >>> print(testing.render(add, './/xmlns:ul'))
-  <ul>
+  >>> print(testing.render(add, './/xmlns:ul'))  # doctest: +NOPARSE_MARKUP
+  <ul >
     <li>
     Last Name:
       <div class="error">Required input is missing.</div>
     </li>
   </ul>
-  <ul>
+  ...
+  <ul >
     <li>
     Address:
       <div class="error">Required input is missing.</div>
     </li>
   </ul>
+  ...
 
-  >>> print(testing.render(add, './/xmlns:fieldset[1]/xmlns:ul'))
-  <ul>
+  >>> print(testing.render(add, './/xmlns:fieldset[1]/xmlns:ul'))  # doctest: +NOPARSE_MARKUP
+  <ul >
     <li>
       Address: <div class="error">Required input is missing.</div>
     </li>
   </ul>
+  ...
 
 Let's now successfully complete the add form.
 
@@ -393,23 +399,26 @@ The behavior when an error occurs is identical to that of the add form:
 
   >>> edit = RegistrationEditForm(reg, request)
   >>> edit.update()
-  >>> print(testing.render(edit, './/xmlns:i'))
-  <i>There were some errors.</i>
+  >>> print(testing.render(edit, './/xmlns:i'))  # doctest: +NOPARSE_MARKUP
+  <i >There were some errors.</i>
+  ...
 
-  >>> print(testing.render(edit, './/xmlns:ul'))
-  <ul>
+  >>> print(testing.render(edit, './/xmlns:ul'))  # doctest: +NOPARSE_MARKUP
+  <ul >
     <li>
     Address:
       <div class="error">Required input is missing.</div>
     </li>
   </ul>
+  ...
 
-  >>> print(testing.render(edit, './/xmlns:fieldset/xmlns:ul'))
-  <ul>
+  >>> print(testing.render(edit, './/xmlns:fieldset/xmlns:ul'))  # doctest: +NOPARSE_MARKUP
+  <ul >
     <li>
       Address: <div class="error">Required input is missing.</div>
     </li>
   </ul>
+  ...
 
 When an edit form with groups is successfully committed, a detailed
 object-modified event is sent out telling the system about the changes.
@@ -441,8 +450,9 @@ Let's now complete the form successfully:
 
 The success message will be shown on the form, ...
 
-  >>> print(testing.render(edit, './/xmlns:i'))
-  <i>Data successfully updated.</i>
+  >>> print(testing.render(edit, './/xmlns:i'))  # doctest: +NOPARSE_MARKUP
+  <i >Data successfully updated.</i>
+  ...
 
 and the data are correctly updated:
 
@@ -727,8 +737,9 @@ Richter gave his BMW to Paul Carduner because he is such a nice guy.
 
 We'll see if everything worked on the form side.
 
-  >>> print(testing.render(edit, './/xmlns:i'))
-  <i>Data successfully updated.</i>
+  >>> print(testing.render(edit, './/xmlns:i'))  # doctest: +NOPARSE_MARKUP
+  <i >Data successfully updated.</i>
+  ...
 
 Now the owner object should have updated fields.
 
@@ -806,8 +817,9 @@ Richter gave his BMW to Paul Carduner because he is such a nice guy.
 
 We'll see if everything worked on the form side.
 
-  >>> print(testing.render(edit, './/xmlns:i'))
-  <i>Data successfully updated.</i>
+  >>> print(testing.render(edit, './/xmlns:i'))  # doctest: +NOPARSE_MARKUP
+  <i >Data successfully updated.</i>
+  ...
 
 Now the owner object should have updated fields.
 
@@ -845,11 +857,12 @@ invalid object for the test missing input errors:
   >>> edit = RegistrationEditForm(reg, request)
   >>> edit.update()
   >>> data, errors = edit.extractData()
-  >>> print(testing.render(edit, './/xmlns:i'))
+  >>> print(testing.render(edit, './/xmlns:i'))  # doctest: +NOPARSE_MARKUP
   <i >There were some errors.</i>
+  ...
 
-  >>> print(testing.render(edit, './/xmlns:fieldset/xmlns:ul'))
-  <ul>
+  >>> print(testing.render(edit, './/xmlns:fieldset/xmlns:ul'))  # doctest: +NOPARSE_MARKUP
+  <ul >
     <li>
     License:
       <div class="error">Required input is missing.</div>
@@ -871,7 +884,8 @@ invalid object for the test missing input errors:
       <div class="error">Required input is missing.</div>
     </li>
   </ul>
-  <ul>
+  ...
+  <ul >
     <li>
     First Name:
       <div class="error">Required input is missing.</div>
@@ -881,7 +895,7 @@ invalid object for the test missing input errors:
       <div class="error">Required input is missing.</div>
     </li>
   </ul>
-
+  ...
 
 Group instance in nested group
 ------------------------------
@@ -1002,16 +1016,18 @@ Now test the error handling if just one missing value is given in a group:
 
   >>> edit.update()
   >>> data, errors = edit.extractData()
-  >>> print(testing.render(edit, './/xmlns:i'))
+  >>> print(testing.render(edit, './/xmlns:i'))  # doctest: +NOPARSE_MARKUP
   <i >There were some errors.</i>
+  ...
 
-  >>> print(testing.render(edit, './/xmlns:fieldset/xmlns:ul'))
-  <ul>
+  >>> print(testing.render(edit, './/xmlns:fieldset/xmlns:ul'))  # doctest: +NOPARSE_MARKUP
+  <ul >
     <li>
     Last Name:
       <div class="error">Required input is missing.</div>
     </li>
   </ul>
+  ...
 
 Just check whether we fully support the interface: