diff --git a/src/entities/Font/model/store/unifiedFontStore/unifiedFontStore.test.ts b/src/entities/Font/model/store/unifiedFontStore/unifiedFontStore.test.ts
index 38c8a4d..cf19a6c 100644
--- a/src/entities/Font/model/store/unifiedFontStore/unifiedFontStore.test.ts
+++ b/src/entities/Font/model/store/unifiedFontStore/unifiedFontStore.test.ts
@@ -280,3 +280,54 @@ describe('pagination navigation', () => {
         expect(store.params.limit).toBe(25);
     });
 });
+
+describe('filter setters', () => {
+    let store: UnifiedFontStore;
+
+    beforeEach(() => {
+        store = new UnifiedFontStore({ limit: 10 });
+    });
+
+    afterEach(() => {
+        store.destroy();
+        queryClient.clear();
+        vi.resetAllMocks();
+    });
+
+    it('setProviders() updates the providers param', () => {
+        store.setProviders(['google']);
+
+        expect(store.params.providers).toEqual(['google']);
+    });
+
+    it('setCategories() updates the categories param', () => {
+        store.setCategories(['serif']);
+
+        expect(store.params.categories).toEqual(['serif']);
+    });
+
+    it('setSubsets() updates the subsets param', () => {
+        store.setSubsets(['cyrillic']);
+
+        expect(store.params.subsets).toEqual(['cyrillic']);
+    });
+
+    it('setSearch() sets the q param', () => {
+        store.setSearch('roboto');
+
+        expect(store.params.q).toBe('roboto');
+    });
+
+    it('setSearch() with empty string sets q to undefined', () => {
+        store.setSearch('roboto');
+        store.setSearch('');
+
+        expect(store.params.q).toBeUndefined();
+    });
+
+    it('setSort() updates the sort param', () => {
+        store.setSort('popularity');
+
+        expect(store.params.sort).toBe('popularity');
+    });
+});