Add unit tests for Lifecycles.run()

packages/core/database/lib/__tests__/lifecycles.test.js

@@ -0,0 +1,55 @@
+'use strict';
+
+const { createLifecyclesProvider } = require('../lifecycles');
+
+describe('LifecycleProvider', () => {
+  describe('run', () => {
+    /** @type {import("../lifecycles").LifecycleProvider} */
+    let provider;
+    let dbMetadataGetStub = jest.fn(uid => ({ uid, name: 'TestModel' }));
+
+    beforeEach(() => {
+      const db = {
+        metadata: {
+          get: dbMetadataGetStub,
+        },
+      };
+      provider = createLifecyclesProvider(db);
+      provider.clear();
+    });
+
+    it('store state', async () => {
+      const expectedState = new Date().toISOString();
+
+      const subscriber = {
+        async beforeEvent(event) {
+          event.state = expectedState;
+        },
+      };
+      provider.subscribe(subscriber);
+
+      const stateBefore = await provider.run('beforeEvent', 'test-model', { id: 'instance-id' });
+
+      expect(stateBefore.get(subscriber)).toEqual(expectedState);
+    });
+
+    it('use shared state', async () => {
+      const expectedState = new Date().toISOString();
+      let receivedState;
+
+      provider.subscribe({
+        async beforeEvent(event) {
+          event.state = expectedState;
+        },
+        async afterEvent(event) {
+          receivedState = event.state;
+        },
+      });
+
+      const stateBefore = await provider.run('beforeEvent', 'test-model', { id: 'instance-id' });
+      await provider.run('afterEvent', 'test-model', { id: 'instance-id' }, stateBefore);
+
+      expect(receivedState).toEqual(expectedState);
+    });
+  });
+});