add mock properties in test setup

simonc56 · Nov 25, 2024 · d142db9 · d142db9
1 parent 46401b9
commit d142db9
Showing 1 changed file with 22 additions and 0 deletions.
diff --git a/src/tests/setup.ts b/src/tests/setup.ts
@@ -1,3 +1,4 @@
+/* eslint-disable class-methods-use-this */
 /* eslint-disable import/no-extraneous-dependencies */
 import * as matchers from '@testing-library/jest-dom/matchers';
 import '@testing-library/jest-dom/vitest';
@@ -21,3 +22,24 @@ Object.defineProperty(window, 'matchMedia', {
     dispatchEvent: () => {},
   }),
 });
+
+// Mock IntersectionObserver and ResizeObserver
+class MockObserver {
+  observe() {}
+
+  unobserve() {}
+
+  disconnect() {}
+}
+
+Object.defineProperty(window, 'IntersectionObserver', {
+  writable: true,
+  configurable: true,
+  value: MockObserver,
+});
+
+Object.defineProperty(window, 'ResizeObserver', {
+  writable: true,
+  configurable: true,
+  value: MockObserver,
+});