def test_bmp2png(pluginpath, logger, session, ab, store, root, bmpmessage):
plugin = SourceFileLoader('BMP2PNG', pluginpath + '/BMP2PNG.py').load_module()
bmp2png = plugin.BMP2PNG(logger)
bmp2png.PostConverting(session, ab, store, root, bmpmessage)
table = bmpmessage.GetAttachmentTable(MAPI_DEFERRED_ERRORS)
table.SetColumns([PR_ATTACH_MIME_TAG_W], 0)
rows = table.QueryRows(1, 0)
assert rows
assert rows[0][0].Value == 'image/png'
