test: share plugin api test harness

extensions/test-utils/plugin-api.ts

@@ -0,0 +1,43 @@
+type TestLogger = {
+  info: () => void;
+  warn: () => void;
+  error: () => void;
+  debug?: () => void;
+};
+
+type TestPluginApiDefaults = {
+  logger: TestLogger;
+  registerTool: () => void;
+  registerHook: () => void;
+  registerHttpRoute: () => void;
+  registerChannel: () => void;
+  registerGatewayMethod: () => void;
+  registerCli: () => void;
+  registerService: () => void;
+  registerProvider: () => void;
+  registerCommand: () => void;
+  registerContextEngine: () => void;
+  resolvePath: (input: string) => string;
+  on: () => void;
+};
+
+export function createTestPluginApi<T extends object>(api: T): T & TestPluginApiDefaults {
+  return {
+    logger: { info() {}, warn() {}, error() {} },
+    registerTool() {},
+    registerHook() {},
+    registerHttpRoute() {},
+    registerChannel() {},
+    registerGatewayMethod() {},
+    registerCli() {},
+    registerService() {},
+    registerProvider() {},
+    registerCommand() {},
+    registerContextEngine() {},
+    resolvePath(input: string) {
+      return input;
+    },
+    on() {},
+    ...api,
+  };
+}