Removing the use of pouchdb-all-dbs from testing environment, it was causing more harm than good and was entirely avoidable.

packages/backend-core/package.json

@@ -41,8 +41,7 @@
   "devDependencies": {
     "ioredis-mock": "^5.5.5",
     "jest": "^26.6.3",
-    "pouchdb-adapter-memory": "^7.2.2",
-    "pouchdb-all-dbs": "^1.0.2"
+    "pouchdb-adapter-memory": "^7.2.2"
   },
   "gitHead": "d1836a898cab3f8ab80ee6d8f42be1a9eed7dcdc"
 }

packages/backend-core/src/db/index.js

@@ -3,13 +3,13 @@ const env = require("../environment")
 
 let PouchDB
 let initialised = false
+const dbList = new Set()
 
 const put =
   dbPut =>
   async (doc, options = {}) => {
-    const response = await dbPut(doc, options)
     // TODO: add created / updated
-    return response
+    return await dbPut(doc, options)
   }
 
 const checkInitialised = () => {
@@ -28,6 +28,9 @@ exports.init = opts => {
 // in situations that using the function doWithDB does not work
 exports.dangerousGetDB = (dbName, opts) => {
   checkInitialised()
+  if (env.isTest()) {
+    dbList.add(dbName)
+  }
   const db = new PouchDB(dbName, opts)
   const dbPut = db.put
   db.put = put(dbPut)
@@ -63,6 +66,9 @@ exports.doWithDB = async (dbName, cb, opts) => {
 }
 
 exports.allDbs = () => {
-  checkInitialised()
-  return PouchDB.allDbs()
+  if (!env.isTest()) {
+    throw new Error("Cannot be used outside test environment.")
+  }
+  checkInitialised()
+  return [...dbList]
 }

packages/backend-core/src/db/pouch.js

@@ -92,11 +92,5 @@ exports.getPouch = (opts = {}) => {
     PouchDB.plugin(find)
   }
 
-  const Pouch = PouchDB.defaults(POUCH_DB_DEFAULTS)
-  if (opts.allDbs) {
-    const allDbs = require("pouchdb-all-dbs")
-    allDbs(Pouch)
-  }
-
-  return Pouch
+  return PouchDB.defaults(POUCH_DB_DEFAULTS)
 }