Initial commit

src/stores/cacheStore.test.ts

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+/*
+ * SPDX-FileCopyrightText: 2020 Stalwart Labs LLC <hello@stalw.art>
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-SEL
+ */
+
+import { describe, it, expect, beforeEach } from 'vitest';
+import { useCacheStore } from './cacheStore';
+
+describe('cacheStore', () => {
+  beforeEach(() => {
+    useCacheStore.setState({ displayNames: {} });
+  });
+
+  describe('setDisplayNames', () => {
+    it('stores entries for an object type', () => {
+      useCacheStore.getState().setDisplayNames('user', { u1: 'Alice', u2: 'Bob' });
+
+      expect(useCacheStore.getState().displayNames).toEqual({
+        user: { u1: 'Alice', u2: 'Bob' },
+      });
+    });
+
+    it('merges with existing entries for the same object type', () => {
+      const { setDisplayNames } = useCacheStore.getState();
+      setDisplayNames('user', { u1: 'Alice' });
+      setDisplayNames('user', { u2: 'Bob' });
+
+      expect(useCacheStore.getState().displayNames.user).toEqual({
+        u1: 'Alice',
+        u2: 'Bob',
+      });
+    });
+
+    it('overwrites individual entries when keys collide', () => {
+      const { setDisplayNames } = useCacheStore.getState();
+      setDisplayNames('user', { u1: 'Alice' });
+      setDisplayNames('user', { u1: 'Alicia' });
+
+      expect(useCacheStore.getState().displayNames.user.u1).toBe('Alicia');
+    });
+  });
+
+  describe('getDisplayName', () => {
+    it('returns cached name', () => {
+      useCacheStore.getState().setDisplayNames('user', { u1: 'Alice' });
+      expect(useCacheStore.getState().getDisplayName('user', 'u1')).toBe('Alice');
+    });
+
+    it('returns undefined for unknown id', () => {
+      useCacheStore.getState().setDisplayNames('user', { u1: 'Alice' });
+      expect(useCacheStore.getState().getDisplayName('user', 'u99')).toBeUndefined();
+    });
+
+    it('returns undefined for unknown object type', () => {
+      expect(useCacheStore.getState().getDisplayName('domain', 'd1')).toBeUndefined();
+    });
+  });
+
+  describe('invalidateCache', () => {
+    it('removes entries for a specific object type', () => {
+      const { setDisplayNames } = useCacheStore.getState();
+      setDisplayNames('user', { u1: 'Alice' });
+      setDisplayNames('domain', { d1: 'example.com' });
+
+      useCacheStore.getState().invalidateCache('user');
+
+      const state = useCacheStore.getState();
+      expect(state.displayNames.user).toBeUndefined();
+      expect(state.displayNames.domain).toEqual({ d1: 'example.com' });
+    });
+
+    it('is a no-op when object type does not exist', () => {
+      useCacheStore.getState().setDisplayNames('user', { u1: 'Alice' });
+      useCacheStore.getState().invalidateCache('nonexistent');
+
+      expect(useCacheStore.getState().displayNames.user).toEqual({ u1: 'Alice' });
+    });
+  });
+
+  describe('multiple object types', () => {
+    it('stores different object types independently', () => {
+      const { setDisplayNames } = useCacheStore.getState();
+      setDisplayNames('user', { u1: 'Alice' });
+      setDisplayNames('domain', { d1: 'example.com' });
+      setDisplayNames('group', { g1: 'Admins' });
+
+      const state = useCacheStore.getState();
+      expect(state.getDisplayName('user', 'u1')).toBe('Alice');
+      expect(state.getDisplayName('domain', 'd1')).toBe('example.com');
+      expect(state.getDisplayName('group', 'g1')).toBe('Admins');
+    });
+  });
+});