test: verify worker properties value

[poolifier.git] / tests / worker / thread-worker.test.mjs

diff --git a/tests/worker/thread-worker.test.mjs b/tests/worker/thread-worker.test.mjs
index 6121995b690ce3549141d7960621ff9bd9015451..6d694ec6464c412d1d3860d246438689abb44e47 100644 (file)
--- a/tests/worker/thread-worker.test.mjs
+++ b/tests/worker/thread-worker.test.mjs
@@ -1,19 +1,85 @@
 import { expect } from 'expect'
 import { restore, stub } from 'sinon'
-import { ThreadWorker } from '../../lib/index.js'
 
-describe('Thread worker test suite', () => {
-  class SpyWorker extends ThreadWorker {
-    constructor (fn) {
-      super(fn)
-      this.port = { postMessage: stub().returns() }
-    }
-  }
+import { ThreadWorker } from '../../lib/index.cjs'
+import { DEFAULT_TASK_NAME } from '../../lib/utils.cjs'
 
+describe('Thread worker test suite', () => {
   afterEach(() => {
     restore()
   })
 
+  it('Verify worker properties value after initialization', () => {
+    const worker = new ThreadWorker(() => {})
+    expect(worker.isMain).toBe(true)
+    expect(worker.mainWorker).toBe(null)
+    expect(worker.taskFunctions).toBeInstanceOf(Map)
+    expect(worker.taskFunctions.size).toBe(2)
+  })
+
+  it('Verify that sync kill handler is called when worker is killed', () => {
+    const worker = new ThreadWorker(() => {}, {
+      killHandler: stub().returns()
+    })
+    worker.isMain = false
+    worker.port = {
+      postMessage: stub().returns(),
+      unref: stub().returns(),
+      close: stub().returns()
+    }
+    worker.handleKillMessage()
+    expect(worker.port.postMessage.calledOnce).toBe(true)
+    expect(worker.port.unref.calledOnce).toBe(true)
+    expect(worker.port.close.calledOnce).toBe(true)
+    expect(worker.opts.killHandler.calledOnce).toBe(true)
+  })
+
+  it('Verify that removeTaskFunction() is working', () => {
+    const fn1 = () => {
+      return 1
+    }
+    const fn2 = () => {
+      return 2
+    }
+    const worker = new ThreadWorker({ fn1, fn2 })
+    worker.port = {
+      postMessage: stub().returns()
+    }
+    expect(worker.removeTaskFunction(0, fn1)).toStrictEqual({
+      status: false,
+      error: new TypeError('name parameter is not a string')
+    })
+    expect(worker.removeTaskFunction('', fn1)).toStrictEqual({
+      status: false,
+      error: new TypeError('name parameter is an empty string')
+    })
+    expect(worker.taskFunctions.get(DEFAULT_TASK_NAME)).toBeInstanceOf(Function)
+    expect(worker.taskFunctions.get('fn1')).toBeInstanceOf(Function)
+    expect(worker.taskFunctions.get('fn2')).toBeInstanceOf(Function)
+    expect(worker.taskFunctions.size).toBe(3)
+    expect(worker.taskFunctions.get(DEFAULT_TASK_NAME)).toStrictEqual(
+      worker.taskFunctions.get('fn1')
+    )
+    expect(worker.removeTaskFunction(DEFAULT_TASK_NAME)).toStrictEqual({
+      status: false,
+      error: new Error(
+        'Cannot remove the task function with the default reserved name'
+      )
+    })
+    expect(worker.removeTaskFunction('fn1')).toStrictEqual({
+      status: false,
+      error: new Error(
+        'Cannot remove the task function used as the default task function'
+      )
+    })
+    worker.removeTaskFunction('fn2')
+    expect(worker.taskFunctions.get(DEFAULT_TASK_NAME)).toBeInstanceOf(Function)
+    expect(worker.taskFunctions.get('fn1')).toBeInstanceOf(Function)
+    expect(worker.taskFunctions.get('fn2')).toBeUndefined()
+    expect(worker.taskFunctions.size).toBe(2)
+    expect(worker.port.postMessage.calledOnce).toBe(true)
+  })
+
   it('Verify that handleError() method is working properly', () => {
     const error = new Error('Error as an error')
     const worker = new ThreadWorker(() => {})
@@ -23,8 +89,9 @@ describe('Thread worker test suite', () => {
     expect(worker.handleError(errorMessage)).toStrictEqual(errorMessage)
   })
 
-  it('Verify worker invokes the postMessage() method on port property', () => {
-    const worker = new SpyWorker(() => {})
+  it('Verify that sendToMainWorker() method invokes the port property postMessage() method', () => {
+    const worker = new ThreadWorker(() => {})
+    worker.port = { postMessage: stub().returns() }
     worker.sendToMainWorker({ ok: 1 })
     expect(worker.port.postMessage.calledOnce).toBe(true)
   })