Adding luis:application:list cmd (#371)

* Adding luis:application:list cmd

* Updating description

* Update desc

* Increase timeout

* Update test

* Add flags type

Author: JSpru

packages/luis/src/commands/luis/application/list.ts

@@ -0,0 +1,58 @@
+/*!
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the MIT License.
+ */
+
+import {CLIError, Command, flags} from '@microsoft/bf-cli-command'
+
+const utils = require('../../../utils/index')
+
+export default class LuisApplicationList extends Command {
+  static description = 'Lists all applications on LUIS service.'
+
+  static examples = [`
+    $ bf luis:application:list --endpoint {ENDPOINT} --subscriptionKey {SUBSCRIPTION_KEY} --take 3
+    $ bf luis:application:list --endpoint {ENDPOINT} --subscriptionKey {SUBSCRIPTION_KEY} --out {PATH_TO_JSON_FILE}
+  `]
+
+  static flags: any = {
+    help: flags.help({char: 'h'}),
+    endpoint: flags.string({description: 'LUIS endpoint hostname'}),
+    subscriptionKey: flags.string({description: 'LUIS cognitive services subscription key (aka Ocp-Apim-Subscription-Key)'}),
+    out: flags.string({char: 'o', description: 'Path to the directory where the exported file will be placed.'}),
+    force: flags.boolean({char: 'f', description: 'If --out flag is provided with the path to an existing file, overwrites that file', default: false}),
+    skip: flags.string({description: 'The number of entries to skip. The default is 0 (no skips)'}),
+    take: flags.string({description: 'The number of etnries to return. The maximum page size is 500. The default is 100.'}),
+  }
+
+  async run() {
+    const {flags} = this.parse(LuisApplicationList)
+    const flagLabels = Object.keys(LuisApplicationList.flags)
+    const configDir = this.config.configDir
+    const options: any = {}
+
+    let {endpoint, subscriptionKey, force, out, skip, take} = await utils.processInputs(flags, flagLabels, configDir)
+
+    const requiredProps = {endpoint, subscriptionKey}
+    utils.validateRequiredProps(requiredProps)
+
+    const client = utils.getLUISClient(subscriptionKey, endpoint)
+
+    if (skip) options.skip = parseInt(skip, 10)
+    if (take) options.take = parseInt(take, 10)
+
+    try {
+      const appList = await client.apps.list(options, undefined)
+      if (out) {
+        const writtenFilePath: string = await utils.writeToFile(out, appList, force)
+        this.log(`\nList successfully written to file: ${writtenFilePath}`)
+      } else {
+        await utils.writeToConsole(appList)
+        this.log('\nList successfully output to console')
+      }
+    } catch (err) {
+      throw new CLIError(`Failed to export application list: ${err}`)
+    }
+  }
+
+}

packages/luis/test/commands/luis/application/list.test.ts

@@ -0,0 +1,78 @@
+import {expect, test} from '@oclif/test'
+const sinon = require('sinon')
+const uuidv1 = require('uuid/v1')
+const utils = require('../../../../src/utils/index')
+const fs = require('fs-extra')
+import * as rimraf from 'rimraf'
+
+describe('luis:application:list', () => {
+
+  before(() => { 
+    fs.mkdirSync('./testout');
+  });
+
+  after(() => {
+    rimraf('./testout', (err) => {
+      if (err) console.log(err);
+    })
+  });
+
+  beforeEach(() => {
+    sinon.stub(utils, 'processInputs').returnsArg(0)
+  })
+
+  afterEach(() => {
+    sinon.restore();
+  });
+
+  test
+  .stdout()
+  .command(['luis:application:list', '--help'])
+  .it('should print the help contents when --help is passed as an argument', ctx => {
+    expect(ctx.stdout).to.contain('Lists all applications on LUIS service.')
+  })
+
+  test
+  .stdout()
+  .stderr()
+  .command(['luis:application:list', '--endpoint', 'https://westus.api.cognitive.microsoft.com'])
+  .it('displays an error if any required input parameters are missing', ctx => {
+    expect(ctx.stderr).to.contain(`Required input property 'subscriptionKey' missing.`)
+  })
+
+  test
+  .nock('https://westus.api.cognitive.microsoft.com', api => api
+  .get(uri => uri.includes('apps'))
+  .reply(200, {name: 'testapp'})
+  )
+  .stdout()
+  .command(['luis:application:list', '--subscriptionKey', uuidv1(), '--endpoint', 'https://westus.api.cognitive.microsoft.com'])
+  .it('displays a list of applications', ctx => {
+    expect(ctx.stdout).to.contain('List successfully output to console')
+  })
+
+  test
+  .nock('https://westus.api.cognitive.microsoft.com', api => api
+  .get(uri => uri.includes('apps'))
+  .reply(200, {name: 'testapp'})
+  )
+  .stdout()
+  .command(['luis:application:list', '--out', './testout/test.json', '--subscriptionKey', uuidv1(), '--endpoint', 'https://westus.api.cognitive.microsoft.com'])
+  .it('export a list of applications to the specified file', ctx => {
+    expect(ctx.stdout).to.contain('List successfully written to file')
+    expect(ctx.stdout).to.contain('test.json')
+  })
+
+  test
+  .nock('https://westus.api.cognitive.microsoft.com', api => api
+  .get(uri => uri.includes('apps'))
+  .reply(200, {name: 'testapp'})
+  )
+  .stdout()
+  .stderr()
+  .command(['luis:application:list', '--out', 'xyz', '--subscriptionKey', uuidv1(), '--endpoint', 'https://westus.api.cognitive.microsoft.com'])
+  .it('displays a list of applications and a success message in the console (since the target path provided is invalid)', ctx => {
+    expect(ctx.stderr).to.contain('Target directory path doesn\'t exist:')
+  })
+
+})