diff --git a/src/app/files/fileManager.js b/src/app/files/fileManager.js
index 9c77a04b49..1295c2c8cd 100644
--- a/src/app/files/fileManager.js
+++ b/src/app/files/fileManager.js
@@ -23,7 +23,7 @@ const profile = {
   icon: 'data:image/svg+xml;base64,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',
   permission: true,
   version: packageJson.version,
-  methods: ['getFolder', 'getCurrentFile', 'getFile', 'setFile', 'switchFile'],
+  methods: ['getCurrentFile', 'getFile', 'setFile', 'switchFile', 'file', 'exists', 'open', 'writeFile', 'readFile', 'copyFile', 'unlink', 'rename', 'readdir', 'rmdir'],
   kind: 'file-system'
 }
 
@@ -42,6 +42,206 @@ class FileManager extends Plugin {
     this.init()
   }
 
+    /**
+   * Emit error if path doesn't exist
+   * @param {string} path path of the file/directory
+   * @param {string} message message to display if path doesn't exist.
+   */
+  _handleExists (path, message) {
+    if (!this.exists(path)) {
+      this._handleError({ code: 'ENOENT', message })
+    }
+  }
+
+  /**
+   * Emit error if path is not a file
+   * @param {string} path path of the file/directory
+   * @param {string} message message to display if path is not a file.
+   */
+  _handleIsFile (path, message) {
+    if (!this.isFile(path)) {
+      this._handleError({ message: `Path ${path} is not a file: ${message}.` })
+    }
+  }
+
+  /**
+   * Emit error if path is not a directory
+   * @param {string} path path of the file/directory
+   * @param {string} message message to display if path is not a directory.
+   */
+  _handleIsDir (path, message) {
+    if (this.isFile(path)) {
+      throw new Error(`Path ${path} is not a directory: ${message}.`)
+    }
+  }
+
+  /**
+   * Emit error based on error code
+   * @param {object} error error { code, message }
+   */
+  _handleError (error) {
+    if (error.message) {
+      throw new Error(message)
+    }
+
+    if (error.code === 'ENOENT') {
+      throw new Error('No such file or directory')
+    }
+
+    if (error.code === 'EISDIR') {
+      throw new Error('Invalid operation on a directory')
+    }
+
+    if (error.code === 'EEXIST') {
+      throw new Error('File already exists')
+    }
+
+    if (error.code === 'EPERM' || error.code === 'EACCESS') {
+      throw new Error('Permission denied')
+    }
+
+    return error
+  }
+
+  /** The current opened file */
+  file () {
+    return this.currentFile()
+  }
+
+  /**
+   * Verify if the path exists (directory or file)
+   * @param {string} path path of the directory or file
+   * @returns {boolean} true if the path exists
+   */
+  exists(path) {
+    const provider = this.fileProviderOf(path)
+    return provider ? true : false
+  }
+
+  /**
+   * Verify if the path provided is a file
+   * @param {string} path path of the directory or file
+   * @returns {boolean} true if path is a file.
+   */
+  isFile (path) {
+    const extension = path.split('.').pop()
+    return !!extension && extension.split('/').length === 0
+  }
+
+  /**
+   * Open the content of the file in the context (eg: Editor)
+   * @param {string} path path of the file
+   * @returns {void}
+   */
+  open (path) {
+    this._handleExists(path, 'Cannot open file')
+    this._handleIsFile(path, 'Cannot open file')
+    this.switchFile(path)
+  }
+
+  /** 
+   * Set the content of a specific file
+   * @param {string} path path of the file
+   * @param {string} data content to write on the file
+   * @returns {void}
+   */
+  writeFile (path, data) {
+    this._handleIsFile(path, 'Cannot write file')
+    this.setFile(path, data)
+  }
+
+  /**
+   * Return the content of a specific file
+   * @param {string} path path of the file
+   * @returns {string} content of the file
+   */
+  readFile (path) {
+    this._handleExists(path, 'Cannot read file')
+    this._handleIsFile(path, 'Cannot read file')
+    this.getFile(path)
+  }
+
+  /** 
+   * Upsert a file with the content of the source file
+   * @param {string} src path of the source file
+   * @param {string} dest path of the destrination file
+   * @returns {void}
+   */
+  copyFile (src, dest) {
+    this._handleExists(src, 'Cannot copy from it')
+    this._handleIsFile(src, 'Cannot copy from it')
+    this._handleIsFile(dest, 'Cannot paste content into it')
+    const content = this.readFile(src)
+    this.writeFile(dest, content)
+  }
+
+  /**
+   * Removes a file
+   * @param {string} path path of the file to remove
+   * @note will not work on a directory, use `rmdir` instead
+   * @returns {void}
+   */
+  unlink(path) {
+    this._handleExists(path, 'Cannot remove file')
+    this._handleIsDir(path, 'Cannot remove file')
+  }
+
+  /** 
+   * Change the path of a file/directory
+   * @param {string} oldPath current path of the file/directory
+   * @param {string} newPath new path of the file/directory
+   * @returns {void}
+   */
+  rename (oldPath, newPath) {
+    this.__handleExists(oldPath, 'Cannot rename')
+    // todo: should we verify if newPath exists here ?
+    const isFile = this.isFile(oldPath)
+    this.fileRenamedEvent(oldPath, newPath, !isFile)
+  }
+
+  /**
+   * Create a directory
+   * @param {string} path path of the new directory
+   * @returns {void}
+   */
+  mkdir (path) {
+    if (this.exists(path)) {
+      throw new Error(`Path ${path} already exists: Cannot create a directory`)
+    }
+    // To implement
+  }
+
+  /** 
+   * Get the list of files in the directory
+   * @param {string} path path of the directory
+   * @returns {string[]} list of the file/directory name in this directory
+   */
+  readdir (path) {
+    this._handleExists(path)
+    this._handleIsDir(path)
+
+    return new Promise((resolve, reject) => {
+      const provider = this.fileProviderOf(path)
+
+      provider.resolveDirectory(path, (error, filesProvider) => {
+        if (error) reject(error)
+        resolve(filesProvider)
+      })
+    })
+  }
+
+  /**
+   * Removes a directory recursively
+   * @param {string} path path of the directory to remove
+   * @note will not work on a file, use `unlink` instead
+   * @returns {void}
+   */
+  rmdir(path) {
+    this._handleExists(path, 'Cannot remove directory')
+    this._handleIsDir(path, 'Cannot remove directory')
+    // To implement
+  }
+
   init () {
     this._deps = {
       config: this._components.registry.get('config').api,
@@ -264,18 +464,6 @@ class FileManager extends Plugin {
     }
   }
 
-  getFolder (path) {
-    // TODO : Change provider with promise
-    return new Promise((resolve, reject) => {
-      const provider = this.fileProviderOf(path)
-      if (!provider) return reject(`provider for path ${path} not found`)
-      provider.resolveDirectory(path, (error, filesProvider) => {
-        if (error) reject(error)
-        resolve(filesProvider)
-      })
-    })
-  }
-
   getProvider (name) {
     return this._deps.filesProviders[name]
   }
diff --git a/src/app/tabs/testTab/testTab.js b/src/app/tabs/testTab/testTab.js
index fb0ce2080c..fe8fc76e7d 100644
--- a/src/app/tabs/testTab/testTab.js
+++ b/src/app/tabs/testTab/testTab.js
@@ -31,7 +31,7 @@ class TestTabLogic {
     const tests = []
     let files
     try {
-      files = await this.fileManager.getFolder(path)
+      files = await this.fileManager.readdir(path)
     } catch (e) {
       cb(e.message)
     }