test: add is_ipc_compiled() and skip_if_no_ipc() functions

Expose ENABLE_IPC build option to functional tests so new tests can test
IPC-only features.

test/CMakeLists.txt

@@ -26,6 +26,7 @@ function(create_test_config)
   set_configure_variable(WITH_ZMQ ENABLE_ZMQ)
   set_configure_variable(ENABLE_EXTERNAL_SIGNER ENABLE_EXTERNAL_SIGNER)
   set_configure_variable(WITH_USDT ENABLE_USDT_TRACEPOINTS)
+  set_configure_variable(ENABLE_IPC ENABLE_IPC)
 
   configure_file(config.ini.in config.ini USE_SOURCE_PERMISSIONS @ONLY)
 endfunction()

test/config.ini.in

@@ -26,3 +26,4 @@ RPCAUTH=@abs_top_srcdir@/share/rpcauth/rpcauth.py
 @ENABLE_ZMQ_TRUE@ENABLE_ZMQ=true
 @ENABLE_EXTERNAL_SIGNER_TRUE@ENABLE_EXTERNAL_SIGNER=true
 @ENABLE_USDT_TRACEPOINTS_TRUE@ENABLE_USDT_TRACEPOINTS=true
+@ENABLE_IPC_TRUE@ENABLE_IPC=true

test/functional/test_framework/test_framework.py

@@ -1016,6 +1016,11 @@ class BitcoinTestFramework(metaclass=BitcoinTestMetaClass):
         if not self.is_cli_compiled():
             raise SkipTest("bitcoin-cli has not been compiled.")
 
+    def skip_if_no_ipc(self):
+        """Skip the running test if ipc is not compiled."""
+        if not self.is_ipc_compiled():
+            raise SkipTest("ipc has not been compiled.")
+
     def skip_if_no_previous_releases(self):
         """Skip the running test if previous releases are not available."""
         if not self.has_previous_releases():
@@ -1075,6 +1080,10 @@ class BitcoinTestFramework(metaclass=BitcoinTestMetaClass):
         """Checks whether the USDT tracepoints were compiled."""
         return self.config["components"].getboolean("ENABLE_USDT_TRACEPOINTS")
 
+    def is_ipc_compiled(self):
+        """Checks whether ipc was compiled."""
+        return self.config["components"].getboolean("ENABLE_IPC")
+
     def has_blockfile(self, node, filenum: str):
         return (node.blocks_path/ f"blk{filenum}.dat").is_file()