runas-functional-tests
Functional tests for runas
Last updated 3 years ago by sbonacho .
Apache Licence · Original npm · Tarball · package.json
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Runas Functional Tests

In this project is defined the functional behaviour of runas. These are the principal, behaviours tested:

  1. Expected context behaviour
  2. Expected step behaviour
  3. Expected stage behaviour. In the correct order as well
  4. Expected plugin behaviour
  5. Inquirer
  6. Expected pririty order in the params
  7. Expected behaviour in the pass of paramaters

Paso de parámetros entre steps

Context Behaviour

We are going to test if the context world is correct throw runas. In order to do so, we execute the runas executable (we use a environmment variable [PISCO] for that) with -c option. If we are in a folder called "world" we will get the word "world" in the console and we will not get that word in other case. The test for this feature:

'use strict';

/* global define, it, describe, before */
const expect = require('chai').expect;
const exec = require('child_process').exec;

describe('Runas context world validation', function() {
  it('Should return the context world', (done) => {
    exec(process.env.runasExec + ' -c', {
      cwd: __dirname + '/world'
    }, (error, stdout, stderr) => {
      expect(error).to.equal(null);
      expect(stderr).to.equal('');
      expect(stdout).contain('world');
      done();
    });
  });
  it('Should not return the context world', (done) => {
    exec(process.env.runasExec + ' -c', {
      cwd: __dirname + '/notworld'
    }, (error, stdout, stderr) => {
      expect(error).to.equal(null);
      expect(stderr).to.equal('');
      expect(stdout).not.contain('world');
      done();
    });
  });
});

In order to accomplish this test, we generate the follow code for this context:

"use strict";

const path = require('path');
const process = require('process');

const _isWorldFolder = function() {
    const dir = process.cwd().split(path.sep);
    return dir[dir.length - 1] === 'world';
};

module.exports = {

    check() {
        return _isWorldFolder(); // add a condition to check 'world'
    }

};

Step Behaviour

We are going to test the emittingHello step. The config of this step is the following:

{
  "name": "emittingHello",
  "description": "Emitting Hello World",
  "contexts": [
    "world"
  ]
}

So we have to be in a world context in order to execute the step. If we are in such context, the step writes in the console "HELLA TO YOU ALL":

function run(ok, ko) {
  this.sh('echo HELLA TO YOU ALL', ko, true);
  this.toEmit = helloWorld;
}
'use strict';
/* global define, it, describe, before */
const expect = require('chai').expect;
const exec = require('child_process').exec;

describe('::emittingHello validation', function() {
  this.timeout(5000);
  it('Should \'::emittingHello\' works', (done) => {
    exec(process.env.runasExec + ' ::emittingHello', {
      cwd: __dirname + '/world'
    }, (error, stdout, stderr) => {
      expect(error).to.equal(null);
      expect(stderr).to.equal('');
      expect(stdout).contain('HELLA TO YOU ALL');
      done();
    });
  });
  it('Should \'::emittingHello\' say not the root of a world', (done) => {
    exec(process.env.runasExec + ' world::emittingHello', {
      cwd: __dirname
    }, (error, stdout, stderr) => {
      expect(error).not.equal(null);
      expect(stderr).to.contain('This is not the root of a world');
      expect(stdout).not.contain('HELLA TO YOU ALL');
      done();
    });
  });
});

Stage Behaviour

In this case we have tested the order of execution off all the stages in a determined step.

The functional test:

'use strict';
/* global define, it, describe, before */
const expect = require('chai').expect;
const exec = require('child_process').exec;

describe('Stages order validation', function() {
  const stage = {
    check: {
      name: 'Check',
      order: 1
    },
    config: {
      name: 'Config',
      order: 2
    },
    run: {
      name:  'Run',
      order: 3
    },
    prove: {
      name: 'Prove',
      order: 4
    },
    notify:{
      name: 'Notify',
      order: 5
    },
    emit: {
      name: 'Emit',
      order: 6
    }
  };
  it('Should \'::emittingHello\' works execute the stages in the correct order', (done) => {
    exec(process.env.runasExec + ' ::emittingHello', {
      cwd: __dirname + '/world'
    }, (error, stdout, stderr) => {
      expect(error).to.equal(null);
      expect(stderr).to.equal('');
      expect(stdout).contain(`${stage.check.name} stage order: ${stage.check.order}`);
      expect(stdout).contain(`${stage.config.name} stage order: ${stage.config.order}`);
      expect(stdout).contain(`${stage.run.name} stage order: ${stage.run.order}`);
      expect(stdout).contain(`${stage.prove.name} stage order: ${stage.prove.order}`);
      expect(stdout).contain(`${stage.notify.name} stage order: ${stage.notify.order}`);
      expect(stdout).contain(`${stage.emit.name} stage order: ${stage.emit.order}`);
      done();
    });
  });
});

The step implementation:

'use strict';

const helloWorld = 'HELLO WORLD';

const statusAccess =  () => {
  var status = 0;
  return {
    getStatus: () => {
      return status;
    },
    increment: () => {
      ++status;
    }
  };
}

const status = statusAccess();

function run(ok, ko) {
  status.increment();
  this.sh('echo HELLA TO YOU ALL', ko, true);
  this.logger.info(`Run stage order: ${status.getStatus()}`);
  this.toEmit = helloWorld;
}

function check() {
  status.increment();
  this.logger.info(`Check stage order: ${status.getStatus()}`);
  this.logger.info('#blue', 'Emit-Check Check if all you need to execute this step exists');
}

function config() {
  status.increment();
  this.logger.info(`Config stage order: ${status.getStatus()}`);
  this.logger.info('#yellow', 'Emit-Config Config the step to run');
}

function prove() {
  status.increment();
  this.logger.info(`Prove stage order: ${status.getStatus()}`);
  this.logger.info('#green', 'Emit -Prove Check if the step has run ok');
}

function notify() {
  status.increment();
  this.logger.info(`Notify stage order: ${status.getStatus()}`);
  this.logger.info('#grey', 'Emit-Notify Notify the end of the shot to someone or something');
}

function emit() {
  status.increment();
  this.logger.info(`Emit stage order: ${status.getStatus()}`);
  this.logger.info('#white', 'Emit-Emit Emit the result of the step to other steps. Allow communication between steps');
  return {message: 'emit a message', emitted: this.toEmit};
}


module.exports = {
  run: run,
  check: check,
  config: config,
  prove: prove,
  notify: notify,
  emit: emit
};

If we execute

runas world::emittingHello

We get this output from the console:

[15:08:07] Execution contexts: [ world, feature ]
[15:08:07] 

 Starting | Emitting Hello World | [ world::emittingHello ] 

[15:08:07] check stage running...
[15:08:07] Check stage order: 1
[15:08:07] Emit-Check Check if all you need to execute this step exists
[15:08:07] config stage running...
[15:08:07] Config stage order: 2
[15:08:07] Emit-Config Config the step to run
[15:08:07] run stage running...
HELLA TO YOU ALL
[15:08:07] Run stage order: 3
[15:08:07] prove stage running...
[15:08:07] Prove stage order: 4
[15:08:07] Emit -Prove Check if the step has run ok
[15:08:07] notify stage running...
[15:08:07] Notify stage order: 5
[15:08:07] Emit-Notify Notify the end of the shot to someone or something
[15:08:07] emit stage running...
[15:08:07] Emit stage order: 6
[15:08:07] Emit-Emit Emit the result of the step to other steps. Allow communication between steps
[15:08:07] 

 Finished | Emitting Hello World - 011 ms 

[15:08:07] Allowed not implemented step: [ feature::emittingHello ]
[15:08:07] Total time - 283 ms

Plugin Behaviour

In the previous example we've used a runas core plugin (this.sh) to execute some OS command.

(...)
this.sh('echo HELLA TO YOU ALL', ko, true);

We have tested it:

'use strict';
/* global define, it, describe, before */
const expect = require('chai').expect;
const exec = require('child_process').exec;

describe('::emittingHello validation', function() {
  this.timeout(5000);
  it('Should \'::emittingHello\' works', (done) => {
    exec(process.env.runasExec + ' ::emittingHello', {
      cwd: __dirname + '/world'
    }, (error, stdout, stderr) => {
      expect(error).to.equal(null);
      expect(stderr).to.equal('');
      expect(stdout).contain('HELLA TO YOU ALL');
      done();
    });
  });
  it('Should \'::emittingHello\' say not the root of a world', (done) => {
    exec(process.env.runasExec + ' world::emittingHello', {
      cwd: __dirname
    }, (error, stdout, stderr) => {
      expect(error).not.equal(null);
      expect(stderr).to.contain('This is not the root of a world');
      expect(stdout).not.contain('HELLA TO YOU ALL');
      done();
    });
  });
});

All the plugins in runas will be available (as we saw in this example) through the this element.

Inquirer Behaviour

For the inquire behaviour, we have definied this test:

'use strict';

const expect = require('chai').expect;
const exec = require('child_process').exec;
/* global define, it, describe, before */

function expectWithError(stderr, done) {
  expect(stderr).to.equal('');
  done();
}

function expectOkExecution(error, stderr, done) {
  expect(error).to.equal(null);
  expectWithError(stderr, done);
}


describe('Testing the inquirer capability', function() {
  const stepAskHello = '::askHello';
  const inquirerInput = 'inquirerInput';
  const commandAskHello = `echo ${inquirerInput}  | node ${process.env.PISCO}  ${stepAskHello} `;
  const contextWorldDir = __dirname + '/world';
  const paramsFile = 'params-test.json';
  const firstPriority = 'firstPriority';
  const secondPriority = 'secondPriority';
  const thirdPriority = 'thirdPriority';
  const fourthPriority = 'fourthPriority';
  const fifthPriority = 'fifthPriority';
  const sixthPriority = 'sixthPriority';
  const seventhPriority = 'seventhPriority';
  const eightPriority = 'eightPriority';
  const ninethPriority = 'ninethPriority';
  const externalFile = 'externalFile';
  const commandLine = 'commandLine';
  const wdRunasJson = '.runas/runasJsonWorkingDir';
  const paramsFileName = 'paramsFile';
  const runasJsonMetaRecipe = 'runasJsonMetaRecipe';
  const runasFunctionalTestJsonRecipe = 'runasFunctionalTestJsonRecipe';
  const flowConfigSpecificStepAndContext = 'flowConfigSpecificStepAndContext';
  const flowConfigSpecificStep = 'flowConfigSpecificStep';
  const flowConfig = 'flowConfig';
  const stepConfig = 'stepConfig';


  it('Should get the inquire parameter', function(done) {
    //Arrange
    var callbackExecWithInquire = (error, stdout, stderr) => {
      //Assert
      expect(stdout).to.contain(`Param1: ${inquirerInput}`);
      expectOkExecution(error, stderr, done);
    };

    //Act
    exec(commandAskHello, { cwd: contextWorldDir }, callbackExecWithInquire);
  });
});

It tests the ability of get from the input the param paramInquire with the value "inquirerInput" The configuration of this step:

{
  "name": "askHello",
  "description": "Asking sayHello",
  "contexts": [
    "world"
  ],
  "prompts": [
    {
      "type": "input",
      "name": "paramInquire",
      "message": "What is the value of param1",
      "default": "value1"
    }
  ]

}

Finally, the code of the run method of the step:

function run(ok, ko) {
  (...)
  this.logger.info(`Param1: ${this.params.paramInquire}`);
}

Priority order Parameters Behaviour

This functionality is documented in the guides for developers of [runas][9]. So, in order to test it, we have defined several places where the parameters will be defined. We have some common constants for the test examples:

const stepEmitHello = 'world:hello';
const commandEmitHello = process.env.runasExec + ' ' + stepEmitHello + ' ';
const contextWorldDir = __dirname + '/world';
const paramsFile = 'params-test.json';
const firstPriority = 'firstPriority';
const secondPriority = 'secondPriority';
const thirdPriority = 'thirdPriority';
const fourthPriority = 'fourthPriority';
const fifthPriority = 'fifthPriority';
const sixthPriority = 'sixthPriority';
const seventhPriority = 'seventhPriority';
const eightPriority = 'eightPriority';
const ninethPriority = 'ninethPriority';
const externalFile = 'externalFile';
const commandLine = 'commandLine';
const wdRunasJson = '.runas/runasJsonWorkingDir';
const paramsFileName = 'paramsFile';
const runasJsonMetaRecipe = 'runasJsonMetaRecipe';
const runasFunctionalTestJsonRecipe = 'runasFunctionalTestJsonRecipe';
const flowConfigSpecificStepAndContext = 'flowConfigSpecificStepAndContext';
const flowConfigSpecificStep = 'flowConfigSpecificStep';
const flowConfig = 'flowConfig';
const stepConfig = 'stepConfig';

Let's see what we have defined:

External file configuration

We will execute

node /home/albertoeyo/git/runas/bin/runas.js --uuid 288b3227-ba32-440c-8651-28b44d2ecd5d world:hello  --paramsFile /home/albertoeyo/git/runas-functional-tests/test/params-test.json --secondPriority commandLine

We will explain the rest of the parameters, the one that interests us right now is --paramsFile The content of  /home/albertoeyo/git/runas-functional-tests/test/params-test.json

{
  "firstPriority": "externalFile"
}

The fragment for our test:

it('Should recognize the rest of the param configuration in the right order', (done) => {
    //Arrange
    console.log(getCommandEmitHelloWithParamFromCommandLine());
    //Act
    exec(getCommandEmitHelloWithParamFromCommandLine(), {
      cwd: contextWorldDir
    }, (error, stdout, stderr) => {
      //Assert
      expect(stdout).to.contain(`{"${firstPriority}":"${externalFile}"}`);
      (...)
    }
}

And our run method of one of the steps pf the hello flow:

function run(ok, ko) {
  (...)
  this.firstPriority = this.params.firstPriority;
  (...)
  this.logger.info(`{"firstPriority":"${this.firstPriority}"}`);
  (...)
}

Command line parameters option

node /home/albertoeyo/git/runas/bin/runas.js --uuid 288b3227-ba32-440c-8651-28b44d2ecd5d world:hello  --paramsFile /home/albertoeyo/git/runas-functional-tests/test/params-test.json --secondPriority commandLine

Test:

it('Should recognize the rest of the param configuration in the right order', (done) => {
    //Arrange
    console.log(getCommandEmitHelloWithParamFromCommandLine());
    //Act
    exec(getCommandEmitHelloWithParamFromCommandLine(), {
      cwd: contextWorldDir
    }, (error, stdout, stderr) => {
      //Assert
      expect(stdout).to.contain(`{"${firstPriority}":"${externalFile}"}`);
      expect(stdout).to.contain(`{"${secondPriority}":"${commandLine}"}`);
      (...)
    }
}

Run method:

function run(ok, ko) {
  (...)
  this.firstPriority = this.params.firstPriority;
  this.secondPriority = this.params.secondPriority;
  (...)
  this.logger.info(`{"firstPriority":"${this.firstPriority}"}`);
  this.logger.info(`{"secondPriority":"${this.secondPriority}"}`);
  (...)
}

Working Directory .runas/runas.json file configuration

Content of the file:

{
  "params": {
    "firstPriority": ".runas/runasJsonWorkingDir",
    "secondPriority": ".runas/runasJsonWorkingDir",
    "priorityOrder": {
      "thirdPriority": ".runas/runasJsonWorkingDir"
    }
  }
}

Test

it('Should recognize the rest of the param configuration in the right order', (done) => {
    //Arrange
    console.log(getCommandEmitHelloWithParamFromCommandLine());
    //Act
    exec(getCommandEmitHelloWithParamFromCommandLine(), {
      cwd: contextWorldDir
    }, (error, stdout, stderr) => {
      //Assert
      expect(stdout).to.contain(`{"${firstPriority}":"${externalFile}"}`);
      expect(stdout).to.contain(`{"${secondPriority}":"${commandLine}"}`);
      expect(stdout).to.contain(`"${thirdPriority}":"${wdRunasJson}"`);
      (...)
    }
}

And the code of the run method (the entire one):

function run(ok, ko) {
  this.logger.info(`${this.params.messageToEmit}`);
  this.firstPriority = this.params.firstPriority;
  this.secondPriority = this.params.secondPriority;
  this.priorityOrder = this.params.priorityOrder ? this.params.priorityOrder : {'p1': 'No Params File'};
  this.logger.info(`{"firstPriority":"${this.firstPriority}"}`);
  this.logger.info(`{"secondPriority":"${this.secondPriority}"}`);
  this.logger.info(`Priority Order: ${JSON.stringify(this.params.priorityOrder)}`);
}

Receipt runas.json file configuration

This order will not be automatized (but it has benn proved) because it takes modify the runas.json of the recipe that executes the functional-tests project. And that is an anti pattern (modify code in order to test something).

Flow config.json file configuration

Configuration:

{
  "name": "hello",
  "description": "Hello World sample flow",
  "steps": {
    "emittingHello": {},
    "sayHello": {
      "inputs": {
        "messageToEmit": {
          "emittingHello": "emitted"
        }
      },
      "params": {
        "registryUrl": "https://registry.npmjs.org/",
        "firstPriority": "flowConfigSpecificStep",
        "secondPriority": "flowConfigSpecificStep",
        "priorityOrder": {
          "thirdPriority": "flowConfigSpecificStep",
          "fourthPriority": "flowConfigSpecificStep",
          "fifthPriority": "flowConfigSpecificStep",
          "sixthPriority": "flowConfigSpecificStep",
          "seventhPriority": "flowConfigSpecificStep"
        }
      },
      "world": {
        "params": {
          "registryUrl": "https://registry.npmjs.org/",
          "firstPriority": "flowConfigSpecificStepAndContext",
          "secondPriority": "flowConfigSpecificStepAndContext",
          "priorityOrder": {
            "thirdPriority": "flowConfigSpecificStepAndContext",
            "fourthPriority": "flowConfigSpecificStepAndContext",
            "fifthPriority": "flowConfigSpecificStepAndContext",
            "sixthPriority": "flowConfigSpecificStepAndContext"
          }
        }
      }
    }
  },
  "params": {
    "registryUrl": "https://registry.npmjs.org/",
    "firstPriority": "flowConfig",
    "secondPriority": "flowConfig",
    "priorityOrder": {
      "thirdPriority": "flowConfig",
      "fourthPriority": "flowConfig",
      "fifthPriority": "flowConfig",
      "sixthPriority": "flowConfig",
      "seventhPriority": "flowConfig",
      "eightPriority": "flowConfig"
    }
  }
}

Step config.json configuration

Configuration

{
  "name": "sayHello",
  "description": "Saying Hello",
  "contexts": [
    "world"
  ],
  "firstPriority": "stepConfig",
  "secondPriority": "stepConfig",
  "priorityOrder": {
    "thirdPriority": "stepConfig",
    "fourthPriority": "stepConfig",
    "fifthPriority": "stepConfig",
    "sixthPriority": "stepConfig",
    "seventhPriority": "stepConfig",
    "eightPriority": "stepConfig",
    "ninethPriority": "stepConfig"
  }
}

Step Behaviour passing Parameters

In this case we are going to test the parameters pass between steps. For that matter, the echo will be the result of the param emited by the emittingHello step to the sayHello step. The test is as simple as:

function expectKOExecution(stdout, stderr, done) {
  expect(stderr).contain('This is not the root of a world');
  expect(stdout).not.contain('HELLO WORLD');
  done();
}

describe('Run the hello flow in different contexts', function() {
  it('Should return HELLO WORLD in the console', function(done) {
    exec(process.env.runasExec + ' world:hello', {
      cwd: __dirname + '/world'
    }, (error, stdout, stderr) => {
      expectOkExecution(error, stdout, stderr, done);
    });
  });
});

The flow configuration:

{
  "name": "hello",
  "description": "Hello World sample flow",
  "steps": {
    "emittingHello": {},
    "sayHello": {
      "inputs": {
        "messageToEmit": {
          "emittingHello": "emitted"
        }
      },
      (...)
  }
}

The emittingHello implementation:

const helloWorld = 'HELLO WORLD';

function run(ok, ko) {
  (...)
  this.toEmit = helloWorld;
}

function emit() {
  (...)
  return {message: 'emit a message', emitted: this.toEmit};
}

And the sayHello implementation:

function run(ok, ko) {
  this.logger.info(`${this.params.messageToEmit}`);
  (...)
}

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