jest.config.js

@@ -3,6 +3,9 @@ module.exports = {
   testEnvironment: "node",
   roots: ["<rootDir>/src"],
   testMatch: ["**/*.spec.ts"],
+  moduleNameMapper: {
+    "^@actions/core$": "<rootDir>/src/__mocks__/actions-core.ts",
+  },
   transform: {
     "^.+\\.ts$": "ts-jest",
   },

src/__mocks__/actions-core.ts

@@ -0,0 +1,5 @@
+export const getInput = jest.fn(() => "");
+export const info = jest.fn();
+export const warning = jest.fn();
+export const setOutput = jest.fn();
+export const setFailed = jest.fn();

src/main.spec.ts

@@ -439,9 +439,7 @@ describe("LocalCoreService", () => {
     localCoreService = new LocalCoreService();
   });
 
-  // Note: These tests would require mocking the @actions/core module
-  // In a real implementation, you might want to use jest.mock() to mock the entire module
-  // For now, we'll just test that the methods exist and can be called
+  // @actions/core is mocked via jest.config.js moduleNameMapper
 
   it("should have all required methods", () => {
     expect(typeof localCoreService.getInput).toBe("function");