Add support for reindexing document on content parsing changes.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/document_parsing/tests/test_indexing.py

@@ -0,0 +1,39 @@
+from __future__ import unicode_literals
+
+from django.test import override_settings
+
+from common.tests import BaseTestCase
+from documents.tests import DocumentTestMixin, TEST_HYBRID_DOCUMENT
+
+from document_indexing.models import Index, IndexInstanceNode
+from document_indexing.tests.literals import TEST_INDEX_LABEL
+
+from .literals import TEST_PARSING_INDEX_NODE_TEMPLATE
+
+
+@override_settings(DOCUMENT_PARSING_AUTO_PARSING=False)
+@override_settings(OCR_AUTO_OCR=False)
+class ParsingIndexingTestCase(DocumentTestMixin, BaseTestCase):
+    auto_upload_document = False
+    test_document_filename = TEST_HYBRID_DOCUMENT
+
+    def test_parsing_indexing(self):
+        index = Index.objects.create(label=TEST_INDEX_LABEL)
+
+        index.document_types.add(self.document_type)
+
+        root = index.template_root
+        index.node_templates.create(
+            parent=root, expression=TEST_PARSING_INDEX_NODE_TEMPLATE,
+            link_documents=True
+        )
+
+        self.document = self.upload_document()
+        self.document.submit_for_parsing()
+        print '@@@', list(self.document.latest_version.content())
+
+        self.assertTrue(
+            self.document in IndexInstanceNode.objects.get(
+                value='sample'
+            ).documents.all()
+        )