diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 00000000..13566b81
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
new file mode 100644
index 00000000..03d9549e
--- /dev/null
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="Eslint" enabled="true" level="WARNING" enabled_by_default="true" />
+  </profile>
+</component>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 00000000..4139819e
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/next-shared-cache.iml" filepath="$PROJECT_DIR$/.idea/next-shared-cache.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/next-shared-cache.iml b/.idea/next-shared-cache.iml
new file mode 100644
index 00000000..24643cc3
--- /dev/null
+++ b/.idea/next-shared-cache.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.tmp" />
+      <excludeFolder url="file://$MODULE_DIR$/temp" />
+      <excludeFolder url="file://$MODULE_DIR$/tmp" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/prettier.xml b/.idea/prettier.xml
new file mode 100644
index 00000000..b0c1c68f
--- /dev/null
+++ b/.idea/prettier.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="PrettierConfiguration">
+    <option name="myConfigurationMode" value="AUTOMATIC" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 00000000..94a25f7f
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/packages/cache-handler/src/cache-handler.ts b/packages/cache-handler/src/cache-handler.ts
index 4c49b0e5..5918ab5a 100644
--- a/packages/cache-handler/src/cache-handler.ts
+++ b/packages/cache-handler/src/cache-handler.ts
@@ -1,4 +1,4 @@
-import { promises as fsPromises } from 'node:fs';
+import {Mode, PathLike, promises as fsPromises} from 'node:fs';
 import path from 'node:path';
 
 import type {
@@ -177,6 +177,20 @@ export type TTLParameters = {
     estimateExpireAge(staleAge: number): number;
 };
 
+/**
+ * A Configuration options for file system management. Used for testing. By default, it's a regular fsPromise.
+ *
+ * @default fsPromise
+ *
+ * @since 1.9.0
+ */
+export type fsConfig = {
+    open: typeof fsPromises.open;
+    readFile: typeof fsPromises.readFile;
+    writeFile: typeof fsPromises.writeFile;
+    mkdir: typeof fsPromises.mkdir
+}
+
 /**
  * Configuration options for the {@link CacheHandler}.
  *
@@ -374,6 +388,12 @@ export class CacheHandler implements NextCacheHandler {
 
     static #serverDistDir: string;
 
+    static #fsConf: fsConfig = fsPromises;
+
+    static setFsConf(fsConf: fsConfig) {
+        CacheHandler.#fsConf = fsConf;
+    }
+
     static async #readPagesRouterPage(cacheKey: string): Promise<CacheHandlerValue | null> {
         let cacheHandlerValue: CacheHandlerValue | null = null;
         let pageHtmlHandle: fsPromises.FileHandle | null = null;
@@ -392,12 +412,12 @@ export class CacheHandler implements NextCacheHandler {
             const pageHtmlPath = path.join(CacheHandler.#serverDistDir, 'pages', `${cacheKey}.html`);
             const pageDataPath = path.join(CacheHandler.#serverDistDir, 'pages', `${cacheKey}.json`);
 
-            pageHtmlHandle = await fsPromises.open(pageHtmlPath, 'r');
+            pageHtmlHandle = await CacheHandler.#fsConf.open(pageHtmlPath, 'r');
 
             const [pageHtmlFile, { mtimeMs }, pageData] = await Promise.all([
                 pageHtmlHandle.readFile('utf-8'),
                 pageHtmlHandle.stat(),
-                fsPromises.readFile(pageDataPath, 'utf-8').then((data) => JSON.parse(data) as object),
+                CacheHandler.#fsConf.readFile(pageDataPath, 'utf-8').then((data) => JSON.parse(data) as object),
             ]);
 
             if (CacheHandler.#debug) {
@@ -447,11 +467,11 @@ export class CacheHandler implements NextCacheHandler {
             const pageHtmlPath = path.join(CacheHandler.#serverDistDir, 'pages', `${cacheKey}.html`);
             const pageDataPath = path.join(CacheHandler.#serverDistDir, 'pages', `${cacheKey}.json`);
 
-            await fsPromises.mkdir(path.dirname(pageHtmlPath), { recursive: true });
+            await CacheHandler.#fsConf.mkdir(path.dirname(pageHtmlPath), { recursive: true });
 
             await Promise.all([
-                fsPromises.writeFile(pageHtmlPath, pageData.html),
-                fsPromises.writeFile(pageDataPath, JSON.stringify(pageData.pageData)),
+                CacheHandler.#fsConf.writeFile(pageHtmlPath, pageData.html),
+                CacheHandler.#fsConf.writeFile(pageDataPath, JSON.stringify(pageData.pageData)),
             ]);
 
             if (CacheHandler.#debug) {
@@ -541,7 +561,7 @@ export class CacheHandler implements NextCacheHandler {
         let buildId: string | undefined;
 
         try {
-            buildId = await fsPromises.readFile(path.join(serverDistDir, '..', 'BUILD_ID'), 'utf-8');
+            buildId = await CacheHandler.#fsConf.readFile(path.join(serverDistDir, '..', 'BUILD_ID'), 'utf-8');
         } catch (_error) {
             buildId = undefined;
         }
@@ -574,7 +594,7 @@ export class CacheHandler implements NextCacheHandler {
         }
 
         try {
-            const prerenderManifestData = await fsPromises.readFile(
+            const prerenderManifestData = await CacheHandler.#fsConf.readFile(
                 path.join(serverDistDir, '..', 'prerender-manifest.json'),
                 'utf-8',
             );