refactor(test): migrate storage-utils test to happy-dom and clean up configs

Author: nakatanakatana

frontend/src/lib/storage-utils.test.ts

@@ -38,17 +38,17 @@ describe("storage-utils", () => {
       const consoleSpy = vi
         .spyOn(console, "error")
         .mockImplementation(() => {});
-      const originalSetItem = localStorage.setItem;
-      // Manually overwrite to ensure it throws
-      localStorage.setItem = () => {
-        throw new Error("Storage full");
-      };
+      const setItemSpy = vi
+        .spyOn(localStorage, "setItem")
+        .mockImplementation(() => {
+          throw new Error("Storage full");
+        });
 
       try {
         setStorageValue(STORAGE_KEYS.FEED_SORT_BY, "title_asc");
         expect(consoleSpy).toHaveBeenCalled();
       } finally {
-        localStorage.setItem = originalSetItem;
+        setItemSpy.mockRestore();
       }
     });
   });

vite.config.js

@@ -135,7 +135,6 @@ export default defineConfig({
                   "src/otel.test.ts",
                   "src/mocks/**/*.test.ts",
                   "src/lib/block-db.test.ts",
-                  "src/lib/storage-utils.test.ts",
                 ],
                 setupFiles: ["./src/vitest-setup.ts"],
                 globals: true,
@@ -147,7 +146,6 @@ export default defineConfig({
         extends: true,
         test: {
           name: "happy-dom",
-          root: "frontend",
           environment: "happy-dom",
           isolate: false,
           restoreMocks: true,
@@ -159,7 +157,6 @@ export default defineConfig({
             "src/otel.test.ts",
             "src/mocks/**/*.test.ts",
             "src/lib/block-db.test.ts",
-            "src/lib/storage-utils.test.ts",
             "**/node_modules/**",
             "**/dist/**",
             "**/cypress/**",
@@ -172,13 +169,19 @@ export default defineConfig({
         extends: true,
         test: {
           name: "node",
-          root: "frontend",
           environment: "node",
           isolate: false,
           restoreMocks: true,
           mockReset: true,
           globals: true,
           include: ["src/**/*.node.test.{ts,tsx}"],
+          exclude: [
+            "**/node_modules/**",
+            "**/dist/**",
+            "**/cypress/**",
+            "**/.{idea,git,cache,output,temp}/**",
+            "**/{karma,rollup,webpack,vite,vitest}.config.*",
+          ],
         },
       },
     ],