ps-find/test.js

Find processes with ease

var expect = require('chai').expect;
var noopProcess = require('noop-process');
var psFind = require('./index.js');

describe('ps-find', function () {
  describe('#find', function () {
    var options;

    beforeEach(function () {
      options = {
        title: 'test',
        persistent: false
      };
    });

    afterEach(function () {
      noopProcess.cleanup();
    });

    it('should match a process by its name', function (done) {
      noopProcess(options, function (error, pid) {
        if (error) throw error;

        psFind.find(options.title, function (error, result) {
          if (error) throw error;

          expect(result).to.have.length(1);
          expect(result[0].pid).to.be.equal(pid);
          expect(result[0]).to.have.property('name');

          done();
        });
      });
    });

    it('should work if process arguments are provided', function (done) {
      options.title = "test --args";
      noopProcess(options, function (error, pid) {
        if (error) throw error;

        psFind.find(options.title, function (error, result) {
          expect(!!error).to.be.false;
          expect(result).to.have.length(1);
          expect(result[0].pid).to.be.equal(pid, true);
          expect(result[0]).to.have.property('name');

          done();
        });
      });
    });

    it('should return an empty array if nothing is found', function (done) {
      noopProcess(options, function (error, pid) {
        if (error) throw error;

        psFind.find('myawesomeprocess', function (error, result) {
          expect(!!error).to.be.true;
          expect(error.message).to.be.equal('No process found.')
          expect(result).to.have.length(0);

          done();
        });
      });
    });
  });
});