[MIG] document_page: Migration to 9.0

document_page/tests/test_document_page_show_diff.py

@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+
+from openerp.tests import common
+from openerp import _
+
+
+class TestDocumentPageShowDiff(common.TransactionCase):
+    """document_page_show_diff test class."""
+
+    def test_show_demo_page1_diff(self):
+        """Show test page history difference."""
+        page = self.env.ref('document_page.demo_page1')
+
+        show_diff_object = self.env['wizard.document.page.history.show_diff']
+
+        history_document = self.env['document.page.history']
+        history_pages = history_document.search([('page_id', '=', page.id)])
+
+        self.assertTrue(
+            show_diff_object.with_context(
+                active_ids=[i.id for i in history_pages]
+            ).get_diff()
+        )
+
+        page.write({'content': 'Text content updated'})
+        page.write({'content': 'Text updated'})
+
+        history_pages = history_document.search([('page_id', '=', page.id)])
+
+        with self.assertRaises(Exception) as context:
+            show_diff_object.with_context(
+                active_ids=[i.id for i in history_pages]
+            ).get_diff()
+
+        self.assertTrue(_("Select one or maximum two history revisions!")
+                        in context.exception)