tests: add DejaGNU framework

DejaGNU seems to be the 'standard' GNU test framework (which by itself
doesn't say much), but it seems relatively usable and the "remote
system" capabilities might come in handy for virtualisation-based tests
for kernel interactions or something.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>

buildtest.sh

@@ -85,6 +85,7 @@ for cfg in ${CONFIGS:-$defconfigs}; do
 	cd "$bdir"
 	../sdist/configure $args
 	make -j5
+	make check
 	make DESTDIR="$TEMP/inst_$cfg" install
 	cd ..
 done

configure.ac

@@ -1619,6 +1619,18 @@ fi
 AC_SUBST(PICFLAGS)
 AC_SUBST(PILDFLAGS)
 
+dnl -------
+dnl DejaGNU
+dnl -------
+if test x"$DEJAGNU" = x
+then
+  DEJAGNU="\$(top_srcdir)/tests/global-conf.exp"
+fi
+RUNTESTDEFAULTFLAGS="-x --tool \$\$tool"
+
+AC_SUBST(DEJAGNU)
+AC_SUBST(RUNTESTDEFAULTFLAGS)
+
 dnl ------------------------------
 dnl set paths for state directory
 dnl ------------------------------
@@ -1691,8 +1703,8 @@ AC_MSG_RESULT($ac_cv_htonl_works)
 AC_CONFIG_FILES([Makefile lib/Makefile zebra/Makefile ripd/Makefile 
 	  ripngd/Makefile bgpd/Makefile ospfd/Makefile watchquagga/Makefile
 	  ospf6d/Makefile isisd/Makefile babeld/Makefile vtysh/Makefile
-          doc/Makefile ospfclient/Makefile tests/Makefile m4/Makefile
+	  doc/Makefile ospfclient/Makefile tests/Makefile m4/Makefile
-          redhat/Makefile
+	  redhat/Makefile
 	  pkgsrc/Makefile
 	  redhat/quagga.spec 
 	  lib/version.h

tests/.gitignore

@@ -10,6 +10,10 @@ TAGS
 *.lo
 *.la
 *.libs
+*.bak
+*.log
+*.sum
+*.xml
 .arch-inventory
 .arch-ids
 aspathtest
@@ -27,3 +31,4 @@ testmemory
 testprivs
 testsig
 teststream
+site.exp

tests/Makefile.am

@@ -1,3 +1,14 @@
+AUTOMAKE_OPTIONS    = dejagnu
+export DEJAGNU
+
+SUBDIRS =
+
+EXTRA_DIST = \
+	config/unix.exp \
+	global-conf.exp
+
+DEJATOOL =
+
 INCLUDES = @INCLUDES@ -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
 DEFS = @DEFS@ $(LOCAL_OPTS) -DSYSCONFDIR=\"$(sysconfdir)/\"
 

tests/config/unix.exp

@@ -0,0 +1,104 @@
+
+# every test should always be run and always return some status.
+# so, if we lose sync with a multi-test program, aborted will be used
+# to flag the remainder of the tests as untested.
+#set aborted 0
+
+# only match with color codes since "failed" / "OK" might otherwise
+# be part of the output...
+#set color 1
+
+set config_h [open "../config.h" "r"]
+set config_h_text [read $config_h]
+close $config_h
+set i [string first "#define HAVE_IPV6" $config_h_text]
+if { $i >= 0 } {
+	set have_ipv6 1
+} else {
+	set have_ipv6 0
+}
+send_user "IPv6 enabled: $have_ipv6\n"
+set xfail 0
+
+proc onetest { test_name note start } {
+	global aborted
+	global testprefix
+	global verbose
+	global color
+	global xfail
+
+	if { $aborted > 0 } {
+		untested "$testprefix$test_name"
+		return
+	}
+
+	if { $verbose > 0 } {
+		send_user "$testprefix$test_name$note\n"
+	}
+	expect {
+		"$start"	{ }
+
+		eof	{ unresolved "$testprefix$test_name"; set aborted 1; }
+		timeout	{ unresolved "$testprefix$test_name"; set aborted 1; }
+	}
+
+	if { $aborted > 0 } {
+		send_user "sync failed: $testprefix$test_name$note -- $testprefix aborted!\n"
+		return
+	}
+
+	if { $color } {
+		set pat "(32mOK|31mfailed)"
+	} else {
+		set pat "(OK|failed)"
+	}
+	expect {
+		# need this because otherwise expect will skip over a "failed" and
+		# grab the next "OK" (or the other way around)
+		-re "$pat"  {
+			if { "$expect_out(0,string)" == "32mOK" || "$expect_out(0,string)" == "OK" } {
+				pass "$testprefix$test_name"
+			} else {
+				if { $xfail } {
+					xfail "$testprefix$test_name"
+				} else {
+					fail "$testprefix$test_name"
+				}
+			}
+			return
+		}
+
+		eof	{ unresolved "$testprefix$test_name"; set aborted 1; }
+		timeout	{ unresolved "$testprefix$test_name"; set aborted 1; }
+	}
+
+	if { $aborted > 0 } {
+		send_user "failed: $testprefix$test_name$note -- $testprefix aborted!\n"
+		return
+	}
+}
+
+proc headerline { line } {
+	global aborted
+	if { $aborted > 0 } { return; }
+	expect {
+		$line	{ return; }
+		eof	{ send_user "numbering mismatch!\n"; set aborted 1; }
+		timeout	{ send_user "numbering mismatch!\n"; set aborted 1; }
+	}
+}
+
+proc simpletest { start } {
+	onetest "$start" "" "$start"
+}
+
+proc simpletest_nov6 { start } {
+	global have_ipv6
+	global xfail
+
+	set xfail [expr 1-$have_ipv6]
+	onetest "$start" "" "$start"
+	set xfail 0
+}
+
+