Tests: make ref files optional

examples/python/bufr_read_header.sh

@@ -16,7 +16,7 @@ REDIRECT=/dev/null
 #Write the values into a file and compare with reference
 $PYTHON bufr_read_header.py 2> $REDIRECT > $fRes
 
-#We compare output to the reference by ignoring the whitespaces 
+#We compare output to the reference by ignoring the whitespaces
 diff -w $fRef $fRes >$REDIRECT 2> $REDIRECT
 
 cat $fRes

tests/bufrdc_desc_ref.sh

@@ -25,15 +25,14 @@ do
   # Test descriptors: compare output of filter (res) with reference file (ref)
   res_desc=$file.desc.test
   ref_desc=$file.desc.ref
-  [ -f "$ref_desc" ]
   diff_desc=$file.desc.diff
 
   rm -f $res_desc
 
   ${tools_dir}bufr_filter bufrdc_desc_ref.filter $file 2> $REDIRECT > $res_desc
-
-  diff $ref_desc $res_desc > $diff_desc 2> $diff_desc
-
+  if [ -f "$ref_desc" ]; then
+    diff $ref_desc $res_desc > $diff_desc 2> $diff_desc
+  fi
   rm -f $res_desc $diff_desc
 done
 

tests/bufrdc_ref.sh

@@ -30,9 +30,11 @@ do
 
   ${tools_dir}bufr_filter bufrdc_num_ref.filter $file 2> $REDIRECT > $res_num
 
-  # Cannot use plain diff. We need to compare FLOAT NUMBERS with a tolerance
-  perl number_compare.pl $ref_num $res_num >$REDIRECT 2> $REDIRECT
-  #numdiff               $ref_num $res_num >$REDIRECT 2> $REDIRECT
+  if [ -f "$ref_num" ]; then
+    # Cannot use plain diff. We need to compare FLOAT NUMBERS with a tolerance
+    perl number_compare.pl $ref_num $res_num >$REDIRECT 2> $REDIRECT
+    #numdiff               $ref_num $res_num >$REDIRECT 2> $REDIRECT
+  fi
 
 done