Compressing .pak resources with new option: "type=GZIPPABLE_BINDATA"

tools/grit/grit/node/include_unittest.py

Index: tools/grit/grit/node/include_unittest.py
diff --git a/tools/grit/grit/node/include_unittest.py b/tools/grit/grit/node/include_unittest.py
index e5544281fd0ad76dc9a988e1bd4281ee33d5349c..2b29e11815179880aed331ba4a221af5b6d78aab 100755
--- a/tools/grit/grit/node/include_unittest.py
+++ b/tools/grit/grit/node/include_unittest.py
@@ -11,8 +11,8 @@ if __name__ == '__main__':
   sys.path.append(os.path.join(os.path.dirname(__file__), '../..'))
 
 import os
-import StringIO
 import unittest
+import zlib
 
 from grit.node import misc
 from grit.node import include
@@ -69,6 +69,21 @@ class IncludeNodeUnittest(unittest.TestCase):
                      util.normpath(
                        os.path.join(ur'../', ur'flugel/kugel.pdf')))
 
+  def testCompressGzip(self):
+    root = util.ParseGrdForUnittest('''
+        <includes>
+          <include name="TEST_TXT" file="test_text.txt"
+                   compress="gzip" type="BINDATA"/>
+        </includes>''', base_dir = util.PathFromRoot('grit/testdata'))
+    inc, = root.GetChildrenOfType(include.IncludeNode)
+    throwaway, compressed = inc.GetDataPackPair(lang='en', encoding=1)
+
+    # compressed[1:] ensures we skip the special inserted first byte.
+    decompressed_data = zlib.decompress(compressed[1:], 16 + zlib.MAX_WBITS)
+    self.assertEqual(util.ReadFile(util.PathFromRoot('grit/testdata')
+                                   + "/test_text.txt", util.BINARY),
+                     decompressed_data)
+
 
 if __name__ == '__main__':
   unittest.main()