Allow GRD reader to process a custom GRDP file stored in a folder different from its parent GRD fil…

tools/grit/grit/grd_reader_unittest.py

Index: tools/grit/grit/grd_reader_unittest.py
diff --git a/tools/grit/grit/grd_reader_unittest.py b/tools/grit/grit/grd_reader_unittest.py
index fd4d08bfbdc803820b8e0b291039f46c39d08dd1..c782d02df45f520f18b1f4204d80f6ef58205c16 100755
--- a/tools/grit/grit/grd_reader_unittest.py
+++ b/tools/grit/grit/grd_reader_unittest.py
@@ -211,6 +211,13 @@ class GrdReaderUnittest(unittest.TestCase):
     self.failUnless(hello.GetCliques()[0].GetId() == 'IDS_HELLO')
 
   def testPartInclusion(self):
+    arbitrary_path_grd = u'''\
+        <grit-part>
+          <message name="IDS_TEST5" desc="test5">test5</message>
+        </grit-part>'''
+    arbitrary_path_grd_file = os.path.join(
+      util.TempDir({'arbitrary_path.grp': arbitrary_path_grd}).GetPath(),
+      'arbitrary_path.grp')
     top_grd = u'''\
         <grit latest_public_release="2" current_release="3">
           <release seq="3">
@@ -219,9 +226,10 @@ class GrdReaderUnittest(unittest.TestCase):
                 test
               </message>
               <part file="sub.grp" />
+              <part file="%s" />
             </messages>
           </release>
-        </grit>'''
+        </grit>''' % arbitrary_path_grd_file
     sub_grd = u'''\
         <grit-part>
           <message name="IDS_TEST2" desc="test2">test2</message>
@@ -252,9 +260,14 @@ class GrdReaderUnittest(unittest.TestCase):
                   test3
                 </message>
               </part>
+              <part file="%s">
+                <message desc="test5" name="IDS_TEST5">
+                  test5
+                </message>
+              </part>
             </messages>
           </release>
-        </grit>'''
+        </grit>''' % arbitrary_path_grd_file
     with util.TempDir({'sub.grp': sub_grd,
                        'subsub.grp': subsub_grd}) as temp_dir:
       output = grd_reader.Parse(StringIO.StringIO(top_grd), temp_dir.GetPath())
@@ -272,6 +285,7 @@ class GrdReaderUnittest(unittest.TestCase):
         (exception.UnexpectedContent, u'<part file="x">fnord</part>'),
         (exception.UnexpectedChild,
          u'<part file="x"><output filename="x" type="y" /></part>'),
+        (exception.FileNotFound, u'<part file="yet_created_x" />'),
     ]
     for raises, data in part_failures:
       data = StringIO.StringIO(template % data)