diff --git a/src/app/components/permissions-management/add-permission-line/path-auto-complete/PermissionPath.spec.ts b/src/app/components/permissions-management/add-permission-line/path-auto-complete/PermissionPath.spec.ts
new file mode 100644
index 00000000..9c1f35fb
--- /dev/null
+++ b/src/app/components/permissions-management/add-permission-line/path-auto-complete/PermissionPath.spec.ts
@@ -0,0 +1,82 @@
+import {PermissionPath} from "@components/permissions-management/add-permission-line/path-auto-complete/PermissionPath";
+import {SubPath} from "@components/permissions-management/add-permission-line/path-auto-complete/SubPath";
+
+describe('PermissionPath', () => {
+
+  it('Should add subPath to path', () => {
+    const path = new PermissionPath();
+    path.add(new SubPath('projects', 'projects', undefined));
+    path.add(new SubPath('1111-2222-3333-4444', 'my project', 'project_id'));
+
+    expect(path.getPath()).toEqual(['projects', '1111-2222-3333-4444']);
+  });
+
+  it('Should return display path', () => {
+    const path = new PermissionPath();
+    path.add(new SubPath('projects', 'projects', undefined));
+    path.add(new SubPath('1111-2222-3333-4444', 'my project', 'project_id'));
+
+    expect(path.getDisplayPath()).toEqual(['projects', 'my project']);
+  });
+
+  it('Should remove last element', () => {
+    const path = new PermissionPath();
+    path.add(new SubPath('projects', 'projects', undefined));
+    path.add(new SubPath('1111-2222-3333-4444', 'my project', 'project_id'));
+    path.add(new SubPath('nodes', 'nodes'));
+    path.add(new SubPath('6666-7777-8888-9999', 'myFirstNode', 'node_id'));
+
+    path.removeLast();
+    expect(path.getPath()).toEqual(['projects', '1111-2222-3333-4444', 'nodes']);
+  });
+
+  it('Should return path variables', () => {
+    const path = new PermissionPath();
+    path.add(new SubPath('projects', 'projects', undefined));
+    path.add(new SubPath('1111-2222-3333-4444', 'my project', 'project_id'));
+    path.add(new SubPath('nodes', 'nodes'));
+    path.add(new SubPath('6666-7777-8888-9999', 'myFirstNode', 'node_id'));
+
+    expect(path.getVariables())
+      .toEqual([{key: 'project_id', value: '1111-2222-3333-4444'}, { key: 'node_id', value: '6666-7777-8888-9999'}]);
+  });
+
+
+  it('Should return true if subPath contain *', () => {
+    const path = new PermissionPath();
+    path.add(new SubPath('projects', 'projects', undefined));
+    path.add(new SubPath('1111-2222-3333-4444', 'my project', 'project_id'));
+    path.add(new SubPath('nodes', 'nodes'));
+    path.add(new SubPath('*', 'myFirstNode', 'node_id'));
+
+    expect(path.containStar()).toBeTruthy();
+  });
+
+  it('Should return false if subPath does not contain *', () => {
+    const path = new PermissionPath();
+    path.add(new SubPath('projects', 'projects', undefined));
+    path.add(new SubPath('1111-2222-3333-4444', 'my project', 'project_id'));
+    path.add(new SubPath('nodes', 'nodes'));
+    path.add(new SubPath('6666-7777-8888-999', 'myFirstNode', 'node_id'));
+
+    expect(path.containStar()).toBeFalsy();
+  });
+
+
+  it('Should return true if path is empty', () => {
+    const path = new PermissionPath();
+    expect(path.isEmpty()).toBeTruthy();
+  });
+
+
+  it('Should return false if path is not empty', () => {
+    const path = new PermissionPath();
+    path.add(new SubPath('projects', 'projects', undefined));
+    path.add(new SubPath('1111-2222-3333-4444', 'my project', 'project_id'));
+    path.add(new SubPath('nodes', 'nodes'));
+    path.add(new SubPath('6666-7777-8888-999', 'myFirstNode', 'node_id'));
+
+    expect(path.isEmpty()).toBeFalsy();
+  });
+
+});
diff --git a/src/app/components/permissions-management/add-permission-line/path-auto-complete/SubPath.ts b/src/app/components/permissions-management/add-permission-line/path-auto-complete/SubPath.ts
index b6b39524..11fe2675 100644
--- a/src/app/components/permissions-management/add-permission-line/path-auto-complete/SubPath.ts
+++ b/src/app/components/permissions-management/add-permission-line/path-auto-complete/SubPath.ts
@@ -11,6 +11,12 @@
 * Author: Sylvain MATHIEU, Elise LEBEAU
 */
 export class SubPath {
+
+  /**
+   * @param {value} original subPath value from gns3 api
+   * @param {displayValue} displayed value can replace a UUID from original URL
+   * @param {key} associate key ex: 'project_id'
+   */
   constructor(public value: string,
               public displayValue: string,
               public key?: string) {