perf: reduce memory usage upon running server tests (#3949)

* perf: reduce memory usage upon running server tests

* perf: plug leaks in server/routes

* perf: plug leaks in server/scripts

* perf: plug leaks in server/policies

* perf: plug leaks in server/models

* perf: plug leaks in server/middlewares

* perf: plug leaks in server/commands

* fix: missing await on db.flush

* perf: plug leaks in server/queues

* chore: remove unused legacy funcs

* fix: await on db.flush

* perf: await on GC to run in between tests

* fix: remove db refs

* fix: revert embeds

* perf: plug leaks in shared/i18n

server/queues/tasks/CleanupDeletedDocumentsTask.test.ts

@@ -1,10 +1,14 @@
 import { subDays } from "date-fns";
 import { Document } from "@server/models";
 import { buildDocument } from "@server/test/factories";
-import { flushdb } from "@server/test/support";
+import { getTestDatabase } from "@server/test/support";
 import CleanupDeletedDocumentsTask from "./CleanupDeletedDocumentsTask";
 
-beforeEach(() => flushdb());
+const db = getTestDatabase();
+
+afterAll(db.disconnect);
+
+beforeEach(db.flush);
 
 describe("CleanupDeletedDocumentsTask", () => {
   it("should not destroy documents not deleted", async () => {

server/queues/tasks/CleanupDemotedUserTask.test.ts

@@ -6,10 +6,14 @@ import {
   buildWebhookSubscription,
   buildViewer,
 } from "@server/test/factories";
-import { flushdb } from "@server/test/support";
+import { getTestDatabase } from "@server/test/support";
 import CleanupDemotedUserTask from "./CleanupDemotedUserTask";
 
-beforeEach(() => flushdb());
+const db = getTestDatabase();
+
+afterAll(db.disconnect);
+
+beforeEach(db.flush);
 
 describe("CleanupDemotedUserTask", () => {
   it("should delete api keys for suspended user", async () => {

server/queues/tasks/CleanupExpiredFileOperationsTask.test.ts

@@ -5,10 +5,14 @@ import {
   FileOperationType,
 } from "@server/models/FileOperation";
 import { buildFileOperation } from "@server/test/factories";
-import { flushdb } from "@server/test/support";
+import { getTestDatabase } from "@server/test/support";
 import CleanupExpiredFileOperationsTask from "./CleanupExpiredFileOperationsTask";
 
-beforeEach(() => flushdb());
+const db = getTestDatabase();
+
+afterAll(db.disconnect);
+
+beforeEach(db.flush);
 
 describe("CleanupExpiredFileOperationsTask", () => {
   it("should expire exports older than 15 days ago", async () => {

server/queues/tasks/CleanupWebhookDeliveriesTask.test.ts

@@ -1,10 +1,14 @@
 import { subDays } from "date-fns";
 import { WebhookDelivery } from "@server/models";
 import { buildWebhookDelivery } from "@server/test/factories";
-import { flushdb } from "@server/test/support";
+import { getTestDatabase } from "@server/test/support";
 import CleanupWebhookDeliveriesTask from "./CleanupWebhookDeliveriesTask";
 
-beforeEach(() => flushdb());
+const db = getTestDatabase();
+
+afterAll(db.disconnect);
+
+beforeEach(db.flush);
 
 const deliveryExists = async (delivery: WebhookDelivery) => {
   const results = await WebhookDelivery.findOne({ where: { id: delivery.id } });

server/queues/tasks/DeliverWebhookTask.test.ts

@@ -6,12 +6,16 @@ import {
   buildWebhookDelivery,
   buildWebhookSubscription,
 } from "@server/test/factories";
-import { flushdb } from "@server/test/support";
+import { getTestDatabase } from "@server/test/support";
 import { UserEvent } from "@server/types";
 import DeliverWebhookTask from "./DeliverWebhookTask";
 
-beforeEach(() => flushdb());
-beforeEach(() => {
+const db = getTestDatabase();
+
+afterAll(db.disconnect);
+
+beforeEach(async () => {
+  await db.flush();
   jest.resetAllMocks();
   fetchMock.resetMocks();
   fetchMock.doMock();

server/queues/tasks/ImportMarkdownZipTask.test.ts

@@ -2,10 +2,14 @@ import fs from "fs";
 import path from "path";
 import { FileOperation } from "@server/models";
 import { buildFileOperation } from "@server/test/factories";
-import { flushdb } from "@server/test/support";
+import { getTestDatabase } from "@server/test/support";
 import ImportMarkdownZipTask from "./ImportMarkdownZipTask";
 
-beforeEach(() => flushdb());
+const db = getTestDatabase();
+
+afterAll(db.disconnect);
+
+beforeEach(db.flush);
 
 describe("ImportMarkdownZipTask", () => {
   it("should import the documents, attachments", async () => {

server/queues/tasks/ImportNotionTask.test.ts

@@ -2,10 +2,14 @@ import fs from "fs";
 import path from "path";
 import { FileOperation } from "@server/models";
 import { buildFileOperation } from "@server/test/factories";
-import { flushdb } from "@server/test/support";
+import { getTestDatabase } from "@server/test/support";
 import ImportNotionTask from "./ImportNotionTask";
 
-beforeEach(() => flushdb());
+const db = getTestDatabase();
+
+afterAll(db.disconnect);
+
+beforeEach(db.flush);
 
 describe("ImportNotionTask", () => {
   it("should import successfully from a Markdown export", async () => {

server/queues/tasks/InviteReminderTask.test.ts

@@ -1,10 +1,14 @@
 import { subDays } from "date-fns";
 import InviteReminderEmail from "@server/emails/templates/InviteReminderEmail";
 import { buildInvite } from "@server/test/factories";
-import { flushdb } from "@server/test/support";
+import { getTestDatabase } from "@server/test/support";
 import InviteReminderTask from "./InviteReminderTask";
 
-beforeEach(() => flushdb());
+const db = getTestDatabase();
+
+afterAll(db.disconnect);
+
+beforeEach(db.flush);
 
 describe("InviteReminderTask", () => {
   it("should not destroy documents not deleted", async () => {