oe-selftest: test wic sparse_copy API

Added new parameter 'api' to sparse_copy function to specify
underlying filemap API to use. By default sparse_copy will
try both available APIs.

Added test case for sparse_copy to wic test suite.

(From OE-Core rev: 88701cef6ba399e82f96ed1b0eef9a44ed8c1687)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/scripts/lib/wic/filemap.py b/scripts/lib/wic/filemap.py
index 080668e7c2..1f1aacc522 100644
--- a/scripts/lib/wic/filemap.py
+++ b/scripts/lib/wic/filemap.py
@@ -530,9 +530,11 @@ def filemap(image, log=None):
     except ErrorNotSupp:
         return FilemapSeek(image, log)
 
-def sparse_copy(src_fname, dst_fname, offset=0, skip=0):
+def sparse_copy(src_fname, dst_fname, offset=0, skip=0, api=None):
     """Efficiently copy sparse file to or into another file."""
-    fmap = filemap(src_fname)
+    if not api:
+        api = filemap
+    fmap = api(src_fname)
     try:
         dst_file = open(dst_fname, 'r+b')
     except IOError: