feat: added testHook

package.json

@@ -5,7 +5,7 @@
   "author": "Jeff Dickey @jdxcode",
   "dependencies": {
     "@dxcli/dev-nyc-config": "^0.0.3",
-    "@dxcli/engine": "^0.0.1",
+    "@dxcli/engine": "^0.1.0",
     "@types/ansi-styles": "^2.0.30",
     "@types/chai": "^4.1.1",
     "@types/chai-as-promised": "^7.1.0",

src/command.ts

@@ -2,15 +2,15 @@ import run from '@dxcli/engine'
 
 import {expect, it, output} from '.'
 
-export interface RunCommandOptions {
+export interface TestCommandOptions {
   description?: string
   stdout?: string
   stderr?: string
   exit?: number
   root?: string
 }
 
-export const testCommand = (args: string[], opts: RunCommandOptions) => {
+export const testCommand = (args: string[], opts: TestCommandOptions) => {
   const description = opts.description || args[0]
   let test = it
   if (opts.stdout) test = test.stdout

src/hook.ts

@@ -0,0 +1,28 @@
+import {Engine} from '@dxcli/engine'
+import {inspect} from 'util'
+
+import {expect, it, output} from '.'
+
+export interface TestHookOptions {
+  description?: string
+  stdout?: string
+  stderr?: string
+  exit?: number
+  root?: string
+}
+
+export const testHook = (event: string, hookOpts: object = {}, opts: TestHookOptions = {}) => {
+  const description = opts.description || `run hook with opts: ${inspect(hookOpts)}`
+  let test = it
+  if (opts.stdout) test = test.stdout
+  if (opts.stderr) test = test.stderr
+  test(description, async () => {
+    const engine = new Engine()
+    await engine.load(opts.root || module.parent!.parent!.filename)
+    const run = () => engine.runHook(event, hookOpts)
+    if (typeof opts.exit === 'number') await expect(run()).to.be.rejectedWith(`EEXIT: ${opts.exit}`)
+    else await run()
+    if (opts.stdout) expect(output.stdout).to.equal(opts.stdout)
+    if (opts.stderr) expect(output.stderr).to.equal(opts.stderr)
+  })
+}

src/index.ts

@@ -4,7 +4,6 @@ import * as chai from 'chai'
 import * as chaiAsPromised from 'chai-as-promised'
 import * as _ from 'lodash'
 import * as mocha from 'mocha'
-export * from './command'
 import stripAnsi = require('strip-ansi')
 
 chai.use(chaiAsPromised)
@@ -138,3 +137,6 @@ export {
   _it as it,
   expect,
 }
+
+export * from './command'
+export * from './hook'

test/fixtures/multi/package.json

@@ -1,4 +1,6 @@
 {
+  "name": "test",
+  "version": "0.0.0",
   "private": true,
   "dxcli": {
     "commands": "./src/commands",

test/hook.test.ts

@@ -0,0 +1,10 @@
+import * as path from 'path'
+
+import {describe, testHook} from '../src'
+
+describe('hooks', () => {
+  const stdout = `test/0.0.0 (${process.platform}-${process.arch}) node-${process.version}\n`
+  testHook('init', {id: '-v'}, {stdout, exit: 0, root: path.join(__dirname, 'fixtures/multi')})
+  testHook('init', {id: '--version'}, {stdout, exit: 0, root: path.join(__dirname, 'fixtures/multi')})
+  testHook('init')
+})

yarn.lock

@@ -139,6 +139,16 @@
     lodash "^4.17.4"
     read-pkg "^3.0.0"
 
+"@dxcli/config@^0.1.18":
+  version "0.1.18"
+  resolved "https://registry.yarnpkg.com/@dxcli/config/-/config-0.1.18.tgz#2f8fed892f824a65e5dc5ac8d3fdce7c3150aee6"
+  dependencies:
+    debug "^3.1.0"
+    fs-extra "^5.0.0"
+    load-json-file "^4.0.0"
+    lodash "^4.17.4"
+    read-pkg "^3.0.0"
+
 "@dxcli/dev-commitmsg@^0.0.3":
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/@dxcli/dev-commitmsg/-/dev-commitmsg-0.0.3.tgz#8941971c9778b675dd14c407c1123b8bef397757"
@@ -183,12 +193,12 @@
     read-pkg-up "^3.0.0"
     supports-color "^5.1.0"
 
-"@dxcli/engine@^0.0.1":
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/@dxcli/engine/-/engine-0.0.1.tgz#7ea281102ff53186836488cded490e446a61ebc2"
+"@dxcli/engine@^0.1.0":
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/@dxcli/engine/-/engine-0.1.0.tgz#7006bae7e8e5267e8e6338671f1d6d5870e53fc6"
   dependencies:
     "@dxcli/command" "^0.1.9"
-    "@dxcli/config" "^0.1.17"
+    "@dxcli/config" "^0.1.18"
     "@dxcli/loader" "^0.0.5"
     cli-ux "^3.1.0"
     rxjs "^5.5.6"