From 8c26eff2c1866a8f78dfeeda14fb7af066c0f89c Mon Sep 17 00:00:00 2001
From: Alex <33497058+bexsoft@users.noreply.github.com>
Date: Wed, 15 Nov 2023 15:51:55 -0600
Subject: [PATCH] Added matchMedia mock function for Testing purposes (#3130)

Signed-off-by: Benjamin Perez <benjamin@bexsoft.net>
---
 .../SecureComponent/__tests__/accessControl.test.ts |  1 +
 portal-ui/src/utils/matchMedia.js                   | 13 +++++++++++++
 2 files changed, 14 insertions(+)
 create mode 100644 portal-ui/src/utils/matchMedia.js

diff --git a/portal-ui/src/common/SecureComponent/__tests__/accessControl.test.ts b/portal-ui/src/common/SecureComponent/__tests__/accessControl.test.ts
index bbfd60be4..f616d56cc 100644
--- a/portal-ui/src/common/SecureComponent/__tests__/accessControl.test.ts
+++ b/portal-ui/src/common/SecureComponent/__tests__/accessControl.test.ts
@@ -14,6 +14,7 @@
 //  You should have received a copy of the GNU Affero General Public License
 //  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import "../../../utils/matchMedia";
 import hasPermission from "../accessControl";
 import { store } from "../../../store";
 import { IAM_PAGES, IAM_PAGES_PERMISSIONS, IAM_SCOPES } from "../permissions";
diff --git a/portal-ui/src/utils/matchMedia.js b/portal-ui/src/utils/matchMedia.js
new file mode 100644
index 000000000..aaed62beb
--- /dev/null
+++ b/portal-ui/src/utils/matchMedia.js
@@ -0,0 +1,13 @@
+Object.defineProperty(window, "matchMedia", {
+  writable: true,
+  value: jest.fn().mockImplementation((query) => ({
+    matches: false,
+    media: query,
+    onchange: null,
+    addListener: jest.fn(), // Deprecated
+    removeListener: jest.fn(), // Deprecated
+    addEventListener: jest.fn(),
+    removeEventListener: jest.fn(),
+    dispatchEvent: jest.fn(),
+  })),
+});