Merge pull request #28544 from overleaf/ac-some-web-esm-migration-4

[web] Convert some Features files to ES modules (part 4)

GitOrigin-RevId: cf11a7584e39c4d4de08e2f924240e488a4066c4

services/web/test/unit/src/SystemMessages/SystemMessageManager.test.mjs

@@ -0,0 +1,50 @@
+import { vi } from 'vitest'
+import sinon from 'sinon'
+
+const modulePath =
+  '../../../../app/src/Features/SystemMessages/SystemMessageManager.mjs'
+
+describe('SystemMessageManager', function () {
+  beforeEach(async function (ctx) {
+    ctx.messages = ['messages-stub']
+    ctx.SystemMessage = {
+      find: sinon.stub().returns({
+        exec: sinon.stub().resolves(ctx.messages),
+      }),
+    }
+
+    vi.doMock('../../../../app/src/models/SystemMessage', () => ({
+      SystemMessage: ctx.SystemMessage,
+    }))
+
+    ctx.SystemMessageManager = (await import(modulePath)).default
+  })
+
+  it('should look the messages up in the database on import', function (ctx) {
+    sinon.assert.called(ctx.SystemMessage.find)
+  })
+
+  describe('getMessage', function () {
+    beforeEach(function (ctx) {
+      ctx.SystemMessageManager._cachedMessages = ctx.messages
+      ctx.result = ctx.SystemMessageManager.getMessages()
+    })
+
+    it('should return the messages', function (ctx) {
+      ctx.result.should.equal(ctx.messages)
+    })
+  })
+
+  describe('clearMessages', function () {
+    beforeEach(function (ctx) {
+      ctx.SystemMessage.deleteMany = sinon.stub().returns({
+        exec: sinon.stub().resolves(),
+      })
+      ctx.SystemMessageManager.promises.clearMessages()
+    })
+
+    it('should remove the messages from the database', function (ctx) {
+      ctx.SystemMessage.deleteMany.calledWith({}).should.equal(true)
+    })
+  })
+})