workload delegation

api/litehouse.ts

@@ -15,6 +15,7 @@ interface IModel {
   addAdapter (name: string, cb: cb): void
   addService (name: string, cb: cb): void
   addRelation (name: string, model: string, foreignKey: string, desc: string, localOnly: boolean): Model
+  addDataSource (name: string, adapter: string)
 }
 
 declare class Litehouse implements IAegis {
@@ -28,5 +29,5 @@ declare class Model implements IModel {
   addMethod (name: string, cb: cb): void
   addAdapter (name: string, cb: cb): void
   addService (name: string, cb: cb): void
-  addRelation(name: string, model: string, foreignKey: string, desc: string, localOnly: boolean): Model;
+  addRelation (name: string, model: string, foreignKey: string, desc: string, localOnly: boolean): Model
 }

api/test/adapter.js

@@ -0,0 +1,9 @@
+test('import remote adapter', async () => {
+  const litehouse = new Litehouse()
+  const fs = require('fs')
+  const adapter = litehouse.import('adapters/fedex')
+  const model.addAdapter('shipping',adapter)
+  await model.importDb()
+  const result = model.classify(fs.createReadStream('bird.jpg'))
+  assert.equal(result.name, 'bald eagle')
+})

api/test/method.js

@@ -5,7 +5,7 @@ const litehouse = new Litehouse()
 const MODEL = 'math'
 const METHOD = 'fibonacci'
 
-test(async () => {
+test('method', async () => {
   const model = litehouse.addModel(MODEL, msg => ({
     name: 'math',
     desc: 'various mathematical functions'
@@ -39,3 +39,14 @@ test(async () => {
     .then(msg => Promise.resolve(assert.equal(msg.answer, 1000000)))
     .catch(err => Promise.reject(err))
 })
+
+test('override', () => {
+  const decorate = require('./models/dependencies/classifier/decorate')
+  const litehouse = new Litehouse()
+  const model = Litehouse.importRemote('models/classifier')
+
+  // overrides generated method, see model.js
+  model.addMethod('classify', (msg, model) =>
+    decorate(model.classify(msg.readable))
+  )
+})

api/test/model.js

@@ -1,3 +1,4 @@
+const Litehouse = require('..')
 const litehouse = new Litehouse()
 const test = require('node:test')
 const assert = require('node:assert')
@@ -18,7 +19,7 @@ const Classifier = (msg, deps) => ({
   }
 })
 
-test(() => {
+test('model', () => {
   litehouse.addModel(MODEL, Classifier, {
     export: [METHOD_IMPORTDB, METHOD_CLASSIFY]
   })
@@ -57,3 +58,13 @@ test(() => {
       .catch(err => Promise.reject(err))
   ])
 })
+
+test('remote import', async () => {
+  const litehouse = new Litehouse()
+  const fs = require('fs')
+  const factory = litehouse.import('models/classifier')
+  const model = factory({ classdb: 'birds' })
+  await model.importDb()
+  const result = model.classify(fs.createReadStream('bird.jpg'))
+  assert.equal(result.name, 'bald eagle')
+})