starting...

Author: bryanmacfarlane

.github/workflows/test.yml

@@ -0,0 +1,14 @@
+name: "Run JavaScript Action"
+on: [pull_request, push]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+
+    - run: npm ci
+    - run: npm test
+    - uses: .
+      with: 
+        milliseconds: 1000

actions.yml

@@ -0,0 +1,13 @@
+name: 'Wait'
+description: 'Wait a designated number of milliseconds'
+inputs:
+  milliseconds:  # id of input
+    description: 'number of milliseconds to wait'
+    required: true
+    default: '1000'
+outputs:
+  time: # output will be available to future steps 
+    description: 'The message to output'
+runs:
+  using: 'node12'
+  main: 'index.js'

index.js

@@ -0,0 +1,20 @@
+const core = require('@actions/core');
+const wait = require('./wait');
+
+async function run() {
+  try { 
+    const ms = core.getInput('milliseconds');
+    console.log(`Waiting ${ms} milliseconds ...`)
+
+    core.debug((new Date()).toTimeString())
+    wait(parseInt(ms));
+    core.debug((new Date()).toTimeString())
+
+    core.setOutput('time', new Date().toTimeString());
+  } 
+  catch (error) {
+    core.setFailed(error.message);
+  }
+}
+
+run()

index.test.js

@@ -0,0 +1,23 @@
+const wait = require('./wait');
+const process = require('process');
+const cp = require('child_process');
+const path = require('path');
+
+test('throws invalid number', async() => {
+    await expect(wait('foo')).rejects.toThrow('milleseconds not a number');
+});
+
+test('wait 500 ms', async() => {
+    const start = new Date();
+    await wait(500);
+    const end = new Date();
+    var delta = Math.abs(end - start);
+    expect(delta).toBeGreaterThan(450);
+});
+
+// shows how the runner will run a javascript action with env / stdout protocol
+test('test runs', () => {
+    process.env['INPUT_MILLISECONDS'] = 500;
+    const ip = path.join(__dirname, 'index.js');
+    console.log(cp.execSync(`node ${ip}`).toString());
+})