test: switch config-mode tests to shared config preset file

Replaces duplicated inline flags in prep_config/rewrite_config/replay_config
targets with a single test/config.in loaded via --load-opts, so the three
tools test against one common config file instead of drifting args.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

Author: galastar

configure.ac

@@ -1971,6 +1971,7 @@ AC_CONFIG_FILES([Makefile
            src/common/Makefile
            src/defines.h
            test/Makefile
+           test/config
            scripts/Makefile])
 
 AC_OUTPUT

test/Makefile.am

@@ -78,8 +78,7 @@ standard_prep:
 	$(TCPPREP) -i $(TEST_PCAP) -o test.auto_client -a client
 	$(TCPPREP) -i $(TEST_PCAP) -o test.auto_server -a server
 	$(TCPPREP) -i $(TEST_PCAP) -o test.auto_first -a first
-	$(TCPPREP) -i $(TEST_PCAP) -a bridge -m 31 -M 16 -N \
-		-C "This file was generated via the config file" -o test.prep_config
+	$(TCPPREP) --load-opts config -o test.prep_config
 	$(TCPPREP) -i $(TEST_PCAP) -o test.port -p
 	$(TCPPREP) -i $(TEST_PCAP) -o test.mac -e 00:1f:f3:3c:e1:13
 	$(TCPPREP) -i $(TEST_PCAP) -o test.cidr -c '96.17.211.0/24'
@@ -226,8 +225,7 @@ tcpreplay: replay_basic replay_nano_timer replay_cache replay_pps replay_rate re
 prep_config:
 	$(PRINTF) "%s" "[tcpprep] Config mode test: "
 	$(PRINTF) "%s\n" "*** [tcpprep] Config mode test: " >> test.log
-	$(TCPPREP) $(ENABLE_DEBUG) -i $(TEST_PCAP) -a bridge -m 31 -M 16 -N \
-		-C "This file was generated via the config file" -o test.$@1  >> test.log 2>&1
+	$(TCPPREP) $(ENABLE_DEBUG) --load-opts=config -o test.$@1  >> test.log 2>&1
 	if diff $(srcdir)/test.$@ test.$@1 >> test.log 2>&1; then \
 	    $(PRINTF) "\t\t\t%s\n" "OK"; \
 	else \
@@ -590,8 +588,7 @@ rewrite_layer2:
 rewrite_config:
 	$(PRINTF) "%s" "[tcprewrite] Config/VLAN Add test: "
 	$(PRINTF) "%s\n" "*** [tcprewrite] Config/VLAN Add test: " >> test.log
-	$(TCPREWRITE) $(ENABLE_DEBUG) -i $(TEST_PCAP) -o test.$@1 --enet-vlan=add \
-		--enet-vlan-tag=45 --enet-vlan-cfi=1 --enet-vlan-pri=5  >> test.log 2>&1
+	$(TCPREWRITE) $(ENABLE_DEBUG) --load-opts config  >> test.log 2>&1
 	if diff $(srcdir)/test$(VARIANT).$@ test.$@1 >> test.log 2>&1; then \
 	    $(PRINTF) "\t\t%s\n" "OK"; \
 	else \
@@ -841,8 +838,7 @@ datadump_mode:
 replay_config:
 	$(PRINTF) "%s" "[tcpreplay] Config file/VLAN add test: "
 	$(PRINTF) "%s\n" "*** [tcpreplay] Config file/VLAN add test: " >> test.log
-	$(TCPREPLAY) $(ENABLE_DEBUG) -c $(srcdir)/test.auto_bridge -i $(nic1) -I $(nic2) -t \
-		$(TEST_PCAP) >> test.log 2>&1
+	$(TCPREPLAY) $(ENABLE_DEBUG) --load-opts=config $(TEST_PCAP) >> test.log 2>&1
 	if [ $? ] ; then $(PRINTF) "\t\t%s\n" "FAILED"; else $(PRINTF) "\t\t%s\n" "OK"; fi
 
 replay_dualfile:
@@ -892,6 +888,6 @@ clean:
 	rm -f *1 test.log core* *~ primary.data secondary.data
 
 distclean: clean
-	rm -f Makefile Makefile.in
+	rm -f Makefile Makefile.in config
 
 maintainer-clean: distclean

test/config.in

@@ -0,0 +1,26 @@
+#  tcpreplay - Replay network traffic stored in pcap files
+#  preset/initialization file
+#
+[TCPREPLAY]
+cachefile           @srcdir@/test.auto_bridge
+intf1               @nic1@
+intf2               @nic2@
+topspeed
+
+[TCPREWRITE]
+infile           @srcdir@/test.pcap
+outfile          test.rewrite_config1
+cachefile        @srcdir@/test.auto_bridge
+enet-vlan        add
+enet-vlan-tag    45
+enet-vlan-cfi    1
+enet-vlan-pri    5
+
+[TCPPREP]
+pcap        @srcdir@/test.pcap
+auto        bridge
+minmask     31
+maxmask     16
+nonip
+comment     "This file was generated via the config file"
+