Performance: add test for header extraction

tests/CMakeLists.txt

@@ -93,6 +93,7 @@ list( APPEND tests_data_reqd
     bufr_keys_iter
     bufr_get_element
     bufr_wmo_tables
+    bufr_extract_headers
     bufr_ecc-673
     bufr_ecc-428
     bufr_ecc-197

tests/bufr_extract_headers.c

@@ -21,15 +21,24 @@ int main(int argc,char* argv[])
 
     assert(argc == 2);
 
-    filename=argv[1];
+    filename = argv[1];
     err = codes_bufr_extract_headers_malloc(c, filename, &headers, &num_messages);
     assert(!err);
 
     for (i=0; i<num_messages; ++i) {
         codes_bufr_header bh = headers[i];
-        printf("%ld %lu %ld %ld %ld\n",
+        /*
+         * Mimic the behaviour of bufr_get -f -p keys
+         * for testing
+         */
+        const int has_ecmwf_local = (bh.localSectionPresent == 1 && bh.bufrHeaderCentre == 98);
+        char rdbTypeStr[32] = "not_found";
+        if (has_ecmwf_local) sprintf(rdbTypeStr, "%ld", bh.rdbType);
+        printf("%ld %lu %ld %ld %ld %ld %s\n",
                bh.edition, bh.totalLength, bh.dataCategory,
-               bh.masterTablesVersionNumber, bh.rdbType);
+               bh.masterTablesVersionNumber,
+               bh.typicalMonth, bh.typicalDay,
+               rdbTypeStr);
     }
 
     free(headers);

tests/bufr_extract_headers.sh

@@ -0,0 +1,30 @@
+#!/bin/sh
+# Copyright 2005-2019 ECMWF.
+#
+# This software is licensed under the terms of the Apache Licence Version 2.0
+# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
+# 
+# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
+# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+#
+
+. ./include.sh
+
+# Define a common label for all the tmp files
+label="bufr_extract_headers_test"
+
+temp1="temp.${label}.1"
+temp2="temp.${label}.2"
+
+bufr_files=`cat ${data_dir}/bufr/bufr_data_files.txt`
+
+KEYS='edition,totalLength,dataCategory,masterTablesVersionNumber,typicalMonth,typicalDay,rdbType'
+
+for bf in ${bufr_files}; do
+    input=${data_dir}/bufr/$bf
+    $EXEC ${test_dir}/bufr_extract_headers $input > $temp1
+    ${tools_dir}/bufr_get -f -p $KEYS $input > $temp2
+    diff $temp1 $temp2
+done
+
+rm -f $temp1 $temp2