Allow testing of vmods

Author: mbgrydeland

configure.ac

@@ -1,6 +1,6 @@
 AC_PREREQ(2.59)
 AC_COPYRIGHT([Copyright (c) 2011 Varnish Software AS])
-AC_INIT([libvmod-example], [0.1])
+AC_INIT([libvmod-example], [trunk])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR(src/vmod_example.vcc)
 AM_CONFIG_HEADER(config.h)
@@ -43,6 +43,12 @@ AC_CHECK_FILE([$VARNISHSRC/include/varnishapi.h],
 	[AC_MSG_FAILURE(["$VARNISHSRC" is not a Varnish source directory])]
 )
 
+# Check that varnishtest is built in the varnish source directory
+AC_CHECK_FILE([$VARNISHSRC/bin/varnishtest/varnishtest],
+	[],
+	[AC_MSG_FAILURE([Can't find "$VARNISHSRC/bin/varnishtest/varnishtest". Please build your varnish source directory])]
+)
+
 # vmod installation dir
 AC_ARG_VAR([VMODDIR], [vmod installation directory @<:@LIBDIR/varnish/vmods@:>@])
 if test "x$VMODDIR" = x; then

src/Makefile.am

@@ -3,7 +3,7 @@ INCLUDES = -I$(VARNISHSRC)/include -I$(VARNISHSRC)
 vmoddir = $(VMODDIR)
 vmod_LTLIBRARIES = libvmod_example.la
 
-libvmod_example_la_LDFLAGS = -version-info 1:0:0
+libvmod_example_la_LDFLAGS = -avoid-version
 
 libvmod_example_la_SOURCES = \
 	vcc_if.c \
@@ -13,6 +13,16 @@ libvmod_example_la_SOURCES = \
 vcc_if.c vcc_if.h: $(VARNISHSRC)/lib/libvmod_std/vmod.py $(top_srcdir)/src/vmod_example.vcc
 	@PYTHON@ $(VARNISHSRC)/lib/libvmod_std/vmod.py $(top_srcdir)/src/vmod_example.vcc
 
-EXTRA_DIST = vmod_example.vcc
+MYTESTS = tests/*.vtc
+.PHONY: $(MYTESTS)
+
+tests/*.vtc:
+	cd $(VARNISHSRC)/bin/varnishtest && ./varnishtest -D vmod_topbuild=$(abs_top_builddir) $(abs_srcdir)/$@
+
+check: $(MYTESTS)
+
+EXTRA_DIST = \
+	$(MYTESTS) \
+	vmod_example.vcc
 
 CLEANFILES = $(builddir)/vcc_if.c $(builddir)/vcc_if.h

src/tests/test01.vtc

@@ -0,0 +1,22 @@
+varnishtest "Test example vmod"
+
+server s1 {
+       rxreq
+       txresp
+} -start
+
+varnish v1 -vcl+backend {
+	import example from "${vmod_topbuild}/src/.libs/libvmod_example.so";
+
+	sub vcl_deliver {
+		set resp.http.val = example.abs(2-3);
+	}
+} -start
+
+client c1 {
+	txreq -url "/"
+	rxresp
+	expect resp.http.val == "1"
+}
+
+client c1 -run