onchaind: support tests.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

onchaind/test/Makefile

@@ -0,0 +1,26 @@
+check: onchaind-tests
+
+# Note that these actually #include everything they need, except ccan/ and bitcoin/.
+# That allows for unit testing of statics, and special effects.
+ONCHAIND_TEST_SRC := $(wildcard onchaind/test/run-*.c)
+ONCHAIND_TEST_OBJS := $(ONCHAIND_TEST_SRC:.c=.o)
+ONCHAIND_TEST_PROGRAMS := $(ONCHAIND_TEST_OBJS:.o=)
+
+ONCHAIND_TEST_COMMON_OBJS :=			\
+	common/features.o			\
+	common/pseudorand.o			\
+	common/type_to_string.o			\
+	common/utils.o
+
+update-mocks: $(ONCHAIND_TEST_SRC:%=update-mocks/%)
+
+$(ONCHAIND_TEST_PROGRAMS): $(ONCHAIND_TEST_COMMON_OBJS) $(BITCOIN_OBJS)
+
+# Test objects depend on ../ src and headers.
+$(ONCHAIND_TEST_OBJS): $(LIGHTNINGD_ONCHAIN_HEADERS) $(LIGHTNINGD_ONCHAIN_SRC)
+
+ALL_OBJS += $(ONCHAIND_TEST_OBJS)
+ALL_TEST_PROGRAMS += $(ONCHAIND_TEST_PROGRAMS)
+
+onchaind-tests: $(ONCHAIND_TEST_PROGRAMS:%=unittest/%)
+