7212: convert invalid date to text on .gw import

Add a failing test demonstrating the feature to be implemented...

gramps/plugins/importer/importgeneweb.py

@@ -106,9 +106,10 @@ def importData(database, filename, user):
 class GeneWebParser(object):
     def __init__(self, dbase, file):
         self.db = dbase
-        self.f = open(file, "rU")
-        self.filename = file
-        self.encoding = 'iso-8859-1'
+        if file: # Unit tests can create the parser w/o underlying file
+            self.f = open(file, "rU")
+            self.filename = file
+            self.encoding = 'iso-8859-1'
 
     def get_next_line(self):
         self.lineno += 1

gramps/plugins/importer/test/importgeneweb_test.py

@@ -0,0 +1,41 @@
+#
+# Gramps - a GTK+/GNOME based genealogy program
+#
+# Copyright (C) 2013 Vassilii Khachaturov
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
+"""
+Unit test of the GeneWebParser
+"""
+from __future__ import print_function
+import unittest
+from ..importgeneweb import GeneWebParser
+from ....gen.lib.date import Date
+
+class ParseDateTest(unittest.TestCase):
+    def setUp(self):
+        self.parse = GeneWebParser(dbase=None, file=None).parse_date
+
+    def test_regular_date_parsed_dmy(self):
+        d = self.parse("28/2/1876")
+        self.assertEqual(d.get_dmy(), (28, 2, 1876))
+
+    def test_invalid_date_stays_verbatim_text(self):
+        text = "29/2/1875"
+        d = self.parse(text)
+        self.assertEqual(d.get_modifier(), Date.MOD_TEXTONLY)
+        self.assertEqual(d.get_text(), text)