feat: add isInitialized agent property (#293)

Signed-off-by: Timo Glastra <timo@animo.id>

src/agent/Agent.ts

@@ -32,6 +32,7 @@ export class Agent {
   protected messageReceiver: MessageReceiver
   protected messageSender: MessageSender
   public inboundTransporter?: InboundTransporter
+  private _isInitialized = false
 
   public readonly connections!: ConnectionsModule
   public readonly proofs!: ProofsModule
@@ -114,6 +115,10 @@ export class Agent {
     return this.eventEmitter
   }
 
+  public get isInitialized() {
+    return this._isInitialized
+  }
+
   public async init() {
     await this.wallet.init()
 
@@ -126,6 +131,8 @@ export class Agent {
     if (this.inboundTransporter) {
       await this.inboundTransporter.start(this)
     }
+
+    this._isInitialized = true
   }
 
   public get publicDid() {

src/agent/__tests__/Agent.test.ts

@@ -26,9 +26,21 @@ import { Dispatcher } from '../Dispatcher'
 import { EnvelopeService } from '../EnvelopeService'
 import { getBaseConfig } from '../../__tests__/helpers'
 
-const config = getBaseConfig('DI Test')
+const config = getBaseConfig('Agent Class Test')
 
 describe('Agent', () => {
+  describe('Initialization', () => {
+    it('isInitialized should only return true after initialization', async () => {
+      expect.assertions(2)
+
+      const agent = new Agent(config)
+
+      expect(agent.isInitialized).toBe(false)
+      await agent.init()
+      expect(agent.isInitialized).toBe(true)
+    })
+  })
+
   describe('Dependency Injection', () => {
     it('should be able to resolve registered instances', () => {
       const agent = new Agent(config)