ENH: If a test data file is downloaded, then print the bandwidth in b…

…ytes/sec (#762)

Signed-off-by: Michael Jackson <[email protected]>

cmake/FetchDataFile.cmake.in

@@ -4,15 +4,27 @@
 # Download, Decompress, and possibly copy data archive
 # message(STATUS "[DATA DOWNLOAD] @ARGS_ARCHIVE_NAME@")
 # --------------------------------------------------------------------------------------------------
+string(TIMESTAMP time_stamp_start %s)
 file(DOWNLOAD https://github.com/BlueQuartzSoftware/complex/releases/download/Data_Archive/@ARGS_ARCHIVE_NAME@
               "@ARGS_DREAM3D_DATA_DIR@/TestFiles/@ARGS_ARCHIVE_NAME@"
               EXPECTED_HASH SHA512=@ARGS_SHA512@
-              SHOW_PROGRESS
+              # SHOW_PROGRESS
               STATUS result
               )
-# message(STATUS "result: '${result}'")
+string(TIMESTAMP time_stamp_end %s)
 list(GET result 1 status)
 string(REPLACE "\"" "" status "${status}")
+
+if("${status}" STREQUAL "No error")
+  math(EXPR time_diff "${time_stamp_end} - ${time_stamp_start}" OUTPUT_FORMAT DECIMAL)      # value is set to "1000"
+  file(SIZE "@ARGS_DREAM3D_DATA_DIR@/TestFiles/@ARGS_ARCHIVE_NAME@" file_size)
+  if(NOT "${time_diff}" STREQUAL "0")
+    math(EXPR bandwidth "${file_size} / ${time_diff}" OUTPUT_FORMAT DECIMAL)      # value is set to "1000"
+    message(STATUS "@ARGS_ARCHIVE_NAME@ Download Complete: ${bandwidth} bytes/sec")
+  else()
+    message(STATUS "@ARGS_ARCHIVE_NAME@ Download Complete")
+  endif()
+endif()
 # message(STATUS "status: '${status}'")
 
 # --------------------------------------------------------------------------------------------------