From d6ce52143224799546401aecb8a210ca203292b8 Mon Sep 17 00:00:00 2001
From: Leonardo Venturini <leovenbag@gmail.com>
Date: Wed, 23 Oct 2024 07:54:47 -0400
Subject: [PATCH] cleanup collections before starting tests

---
 packages/mongo/package.js            |  2 +-
 packages/tinytest/tinytest_server.js | 13 ++++++++++---
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/packages/mongo/package.js b/packages/mongo/package.js
index bdedaa4c0c..59e3ac2efe 100644
--- a/packages/mongo/package.js
+++ b/packages/mongo/package.js
@@ -109,7 +109,7 @@ Package.onTest(function (api) {
   api.use('ecmascript');
   api.use('npm-mongo', 'server');
   api.use(['tinytest', 'test-helpers', 'ejson', 'random',
-           'ddp', 'base64']);
+           'ddp', 'base64', 'typescript']);
   // XXX test order dependency: the allow_tests "partial allow" test
   // fails if it is run before mongo_livedata_tests.
   api.addFiles("mongo_livedata_tests.js", ["client", "server"]);
diff --git a/packages/tinytest/tinytest_server.js b/packages/tinytest/tinytest_server.js
index fa51723879..22a781a4c5 100644
--- a/packages/tinytest/tinytest_server.js
+++ b/packages/tinytest/tinytest_server.js
@@ -12,7 +12,7 @@ export { Tinytest };
 const handlesForRun = new Map;
 const reportsForRun = new Map;
 
-Meteor.publish(ServerTestResultsSubscription, function (runId) {
+Meteor.publish(ServerTestResultsSubscription, async function (runId) {
   check(runId, String);
 
   if (! handlesForRun.has(runId)) {
@@ -36,9 +36,16 @@ Meteor.publish(ServerTestResultsSubscription, function (runId) {
 });
 
 Meteor.methods({
-  'tinytest/run'(runId, pathPrefix) {
+  async 'tinytest/run'(runId, pathPrefix) {
     check(runId, String);
     check(pathPrefix, Match.Optional([String]));
+
+    const collections = await MongoInternals.defaultRemoteCollectionDriver().mongo.db.collections();
+
+    for (const collection of collections) {
+      await collection.drop();
+    }
+
     this.unblock();
 
     reportsForRun.set(runId, Object.create(null));
@@ -84,4 +91,4 @@ Meteor.methods({
     handlesForRun.delete(runId);
     reportsForRun.delete(runId);
   }
-});
+});
\ No newline at end of file