Rename 'functions' directory to 'internal'

src/__tests__/index.test.js

@@ -0,0 +1,38 @@
+const process = require('process')
+const cp = require('child_process')
+const path = require('path')
+
+describe('with all environment variables set', () => {
+  beforeEach(() => {
+    process.env.ACTIONS_RUNTIME_URL = 'http://my-url'
+    process.env.GITHUB_RUN_ID = '123'
+    process.env.ACTIONS_RUNTIME_TOKEN = 'a-token'
+    process.env.GITHUB_REPOSITORY = 'actions/is-awesome'
+    process.env.GITHUB_TOKEN = 'gha-token'
+    process.env.GITHUB_SHA = '123abc'
+    process.env.GITHUB_ACTOR = 'monalisa'
+    process.env.GITHUB_ACTION = '__monalisa/octocat'
+    process.env.GITHUB_ACTION_PATH = 'something'
+  })
+
+  it('executes cleanly', done => {
+    const ip = path.join(__dirname, '../index.js')
+    cp.exec(`node ${ip}`, { env: process.env }, (err, stdout) => {
+      expect(stdout).toMatch(/::debug::all variables are set/)
+      done()
+    })
+  })
+})
+
+describe('with variables missing', () => {
+  it('execution fails if there are missing variables', done => {
+    delete process.env.ACTIONS_RUNTIME_URL
+    const ip = path.join(__dirname, '../index.js')
+    cp.exec(`node ${ip}`, { env: process.env }, (err, stdout) => {
+      expect(stdout).toBe('')
+      expect(err).toBeTruthy()
+      expect(err.code).toBe(1)
+      done()
+    })
+  })
+})