serverless/test/unit/lib/cli/interactive-setup/index.test.js

// Sanity tests that confirms a happy path interactive setup flow e2e way

'use strict';

const spawn = require('child-process-ext/spawn');
const path = require('path');
const isTabCompletionSupported = require('../../../../../lib/utils/tabCompletion/isSupported');

const serverlessPath = path.resolve(__dirname, '../../../../../scripts/serverless.js');

describe('test/unit/lib/cli/interactive-setup/index.test.js', () => {
  it('should configure interactive setup flow', async () => {
    const slsProcessPromise = spawn('node', [serverlessPath], {
      env: {
        ...process.env,
        SLS_INTERACTIVE_SETUP_ENABLE: '1',
        SLS_INTERACTIVE_SETUP_TEST: '1',
        BROWSER: 'none',
      },
    });
    const slsProcess = slsProcessPromise.child;
    let output = '';
    const program = [
      // service
      {
        instructionString: 'No project detected. Do you want to create a new one?',
        input: 'Y',
      },
      { instructionString: 'AWS Node.js' },
      {
        instructionString: 'What do you want to call this project?',
        input: 'interactive-setup-test',
      },

      // dashboard-login
      {
        instructionString: 'Would you like to enable this?',
        input: 'Y',
      },
      {
        instructionString: 'login or register?',
        input: 'j',
      },

      // dashboard-set-org
      // Skipped, as internally depends on remote state of data and cannot be easily tested offline

      // aws-credentials
      { instructionString: 'Do you want to set them up now?', input: 'Y' },
      { instructionString: 'AWS account', input: 'Y' },
      { instructionString: 'Press Enter to continue' },
      {
        instructionString: 'AWS Access Key Id',
        input: 'AKIAIOSFODNN7EXAMPLE',
      },
      {
        instructionString: 'AWS Secret Access Key',
        input: 'wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY',
      },

      // auto-update
      { instructionString: 'to update automatically?', input: 'Y' },

      // tab-completion
      ...(isTabCompletionSupported
        ? [
            { instructionString: 'command line <tab> completion', input: 'Y' },
            { instructionString: 'bash' },
            { instructionString: 'to ~/.bashrc' },
          ]
        : []),
    ];
    slsProcess.stdout.on('data', (data) => {
      output += data;
      const programItem = program[0];
      if (!programItem) return;
      if (output.includes(programItem.instructionString)) {
        program.shift();
        output = '';
        slsProcess.stdin.write(`${programItem.input || ''}\n`);
      }
    });
    slsProcess.stdout.pipe(process.stdout);
    slsProcess.stderr.pipe(process.stderr);

    await slsProcessPromise;
  });
});