plugin_exec_test.js

'use strict';

var grunt = require('grunt'), cp = require("child_process"), command, options;

function callGruntfile(filename, whenDoneCallback) {
  var command, options;
  command = "grunt --gruntfile "+filename+" --no-color";
  options = {cwd: 'test/'};
  cp.exec(command, options, whenDoneCallback);
}

function callNpmInstallAndGruntfile(filename, whenDoneCallback) {
  var command, options;
  command = "npm install";
  options = {cwd: 'test/'};
  cp.exec(command, {}, function(error, stdout, stderr) {
    callGruntfile(filename, whenDoneCallback);
  });
}

function contains(where, what) {
  var index = where.toString().indexOf(what);
  return index>-1;
}

function containsWarning(buffer, warning) {
  return contains(buffer, 'Warning: Plugin failed: ' + warning);
}

exports.plugin_tester = {
  setUp: function(done) {
    // setup here if necessary
    done();
  },
  pass: function(test) {
    test.expect(3);
    callGruntfile('gruntfile-pass.js', function (error, stdout, stderr) {
      test.equal(error, null, "Command should not fail.");
      test.equal(stderr, '', "Standard error stream should be empty.");

      test.ok(contains(stdout, 'Plugin worked correctly.'), "It was supposed to pass.");
      test.done();
    });
  },
  fail_1: function(test) {
    test.expect(3);
    callGruntfile('gruntfile-fail-complete.js', function (error, stdout, stderr) {
      test.equal(error.message, 'Command failed: ', "Command should have failed.");
      test.equal(stderr, '', "Standard error stream should be empty.");

      test.ok(containsWarning(stdout, 'complete failure'), "It was supposed to pass.");
      test.done();
    });
  },
  fail_2: function(test) {
    test.expect(3);
    callGruntfile('gruntfile-fail-partial.js', function (error, stdout, stderr) {
      test.equal(error.message, 'Command failed: ', "Command should have failed.");
      test.equal(stderr, '', "Standard error stream should be empty.");

      test.ok(containsWarning(stdout, 'partial failure'), "It was supposed to pass.");
      test.done();
    });
  }
};