From 6346fd003b41c3a897ee24417154486c02eeb493 Mon Sep 17 00:00:00 2001
From: Adam Wootton <adam@taplytics.com>
Date: Fri, 6 Jan 2023 12:24:05 -0500
Subject: [PATCH 1/2] fix global setup and teardown for jest multi-project
 setups

---
 src/setup.ts    | 10 +++++++---
 src/teardown.ts | 22 +++++++++++++---------
 2 files changed, 20 insertions(+), 12 deletions(-)

diff --git a/src/setup.ts b/src/setup.ts
index 2b38e9a1..aaaf8441 100644
--- a/src/setup.ts
+++ b/src/setup.ts
@@ -21,8 +21,9 @@ const mongo: Mongo = isReplSet
   ? new MongoMemoryReplSet(mongoMemoryServerOptions)
   : new MongoMemoryServer(mongoMemoryServerOptions);
 
-module.exports = async (config: JestEnvironmentConfig['projectConfig']) => {
-  const globalConfigPath = join(config.rootDir, 'globalConfig.json');
+module.exports = async (config: JestEnvironmentConfig['globalConfig']) => {
+  const projects = config.projects.length ? config.projects : [config.rootDir];
+  const globalConfigPaths = projects.map(project => join(project, 'globalConfig.json'));
 
   const options = getMongodbMemoryOptions();
   const mongoConfig: {mongoUri?: string; mongoDBName?: string} = {};
@@ -48,6 +49,9 @@ module.exports = async (config: JestEnvironmentConfig['projectConfig']) => {
   mongoConfig.mongoDBName = options.instance.dbName;
 
   // Write global config to disk because all tests run in different contexts.
-  writeFileSync(globalConfigPath, JSON.stringify(mongoConfig));
+  // write one for each registered "project"
+  for (const path of globalConfigPaths) {
+    writeFileSync(path, JSON.stringify(mongoConfig));
+  }
   debug('Config is written');
 };
diff --git a/src/teardown.ts b/src/teardown.ts
index a7ca4c57..e6db388e 100644
--- a/src/teardown.ts
+++ b/src/teardown.ts
@@ -4,19 +4,23 @@ import type {JestEnvironmentConfig} from '@jest/environment';
 
 const debug = require('debug')('jest-mongodb:teardown');
 
-module.exports = async function (config: JestEnvironmentConfig['projectConfig']) {
-  const globalConfigPath = join(config.rootDir, 'globalConfig.json');
+module.exports = async function (config: JestEnvironmentConfig['globalConfig']) {
+  const projects = config.projects.length ? config.projects : [config.rootDir];
+  const globalConfigPaths = projects.map(project => join(project, 'globalConfig.json'));
 
   debug('Teardown mongod');
   if (global.__MONGOD__) {
     await global.__MONGOD__.stop();
   }
-  unlink(globalConfigPath, err => {
-    if (err) {
-      debug('Config could not be deleted');
 
-      return;
-    }
-    debug('Config is deleted');
-  });
+  for (const path of globalConfigPaths) {
+    unlink(path, err => {
+      if (err) {
+        debug('Config could not be deleted');
+
+        return;
+      }
+      debug('Config is deleted');
+    });
+  }
 };

From 42faf860440e6d62d401d804b261d70233b2a7f7 Mon Sep 17 00:00:00 2001
From: Adam Wootton <adam@taplytics.com>
Date: Mon, 9 Jan 2023 14:12:23 -0500
Subject: [PATCH 2/2] switch to using global config's rootDir field

---
 src/environment.ts |  2 +-
 src/setup.ts       |  8 ++------
 src/teardown.ts    | 20 ++++++++------------
 3 files changed, 11 insertions(+), 19 deletions(-)

diff --git a/src/environment.ts b/src/environment.ts
index 4e8e1c6b..2d64ecc9 100644
--- a/src/environment.ts
+++ b/src/environment.ts
@@ -21,7 +21,7 @@ module.exports = class MongoEnvironment extends TestEnvironment {
   globalConfigPath: string;
   constructor(config: JestEnvironmentConfig, context: EnvironmentContext) {
     super(config, context);
-    this.globalConfigPath = pathJoin(config.projectConfig.rootDir, 'globalConfig.json');
+    this.globalConfigPath = pathJoin(config.globalConfig.rootDir, 'globalConfig.json');
   }
 
   async setup() {
diff --git a/src/setup.ts b/src/setup.ts
index aaaf8441..c5832e96 100644
--- a/src/setup.ts
+++ b/src/setup.ts
@@ -22,8 +22,7 @@ const mongo: Mongo = isReplSet
   : new MongoMemoryServer(mongoMemoryServerOptions);
 
 module.exports = async (config: JestEnvironmentConfig['globalConfig']) => {
-  const projects = config.projects.length ? config.projects : [config.rootDir];
-  const globalConfigPaths = projects.map(project => join(project, 'globalConfig.json'));
+  const globalConfigPath = join(config.rootDir, 'globalConfig.json');
 
   const options = getMongodbMemoryOptions();
   const mongoConfig: {mongoUri?: string; mongoDBName?: string} = {};
@@ -49,9 +48,6 @@ module.exports = async (config: JestEnvironmentConfig['globalConfig']) => {
   mongoConfig.mongoDBName = options.instance.dbName;
 
   // Write global config to disk because all tests run in different contexts.
-  // write one for each registered "project"
-  for (const path of globalConfigPaths) {
-    writeFileSync(path, JSON.stringify(mongoConfig));
-  }
+  writeFileSync(globalConfigPath, JSON.stringify(mongoConfig));
   debug('Config is written');
 };
diff --git a/src/teardown.ts b/src/teardown.ts
index e6db388e..8dab3538 100644
--- a/src/teardown.ts
+++ b/src/teardown.ts
@@ -5,22 +5,18 @@ import type {JestEnvironmentConfig} from '@jest/environment';
 const debug = require('debug')('jest-mongodb:teardown');
 
 module.exports = async function (config: JestEnvironmentConfig['globalConfig']) {
-  const projects = config.projects.length ? config.projects : [config.rootDir];
-  const globalConfigPaths = projects.map(project => join(project, 'globalConfig.json'));
+  const globalConfigPath = join(config.rootDir, 'globalConfig.json');
 
   debug('Teardown mongod');
   if (global.__MONGOD__) {
     await global.__MONGOD__.stop();
   }
+  unlink(globalConfigPath, err => {
+    if (err) {
+      debug('Config could not be deleted');
 
-  for (const path of globalConfigPaths) {
-    unlink(path, err => {
-      if (err) {
-        debug('Config could not be deleted');
-
-        return;
-      }
-      debug('Config is deleted');
-    });
-  }
+      return;
+    }
+    debug('Config is deleted');
+  });
 };