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flags-help.js
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flags-help.js
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'use strict';
var expect = require('expect');
var exec = require('child_process').exec;
var path = require('path');
var fs = require('fs');
var gulp = require('./tool/gulp-cmd');
var baseDir = path.join(__dirname, '..');
var outputFile = path.join(__dirname, 'expected/flags-help.txt');
var outputText = fs.readFileSync(outputFile, 'utf8');
describe('flag: --help', function() {
it('shows help using --help', function(done) {
var opts = { cwd: baseDir };
exec(gulp(
'--help',
'--cwd ./test/fixtures/gulpfiles'
), opts, cb);
function cb(err, stdout, stderr) {
expect(err).toBeNull();
expect(stderr).toEqual('');
expect(stdout).toEqual(outputText);
done(err);
}
});
it('shows help using short --h', function(done) {
var opts = { cwd: baseDir };
exec(gulp(
'--h',
'--cwd ./test/fixtures/gulpfiles'
), opts, cb);
function cb(err, stdout, stderr) {
expect(err).toBeNull();
expect(stderr).toEqual('');
expect(stdout).toEqual(outputText);
done(err);
}
});
it('avoids printing "Requiring external module *"', function(done) {
var opts = { cwd: baseDir };
exec(gulp(
'--help',
'--gulpfile ./test/fixtures/gulpfiles/gulpfile-babel.babel.js'
), opts, cb);
function cb(err, stdout, stderr) {
expect(err).toBeNull();
expect(stderr).toEqual('');
expect(stdout).toEqual(outputText);
done(err);
}
});
it('show error message and help if options are invalid', function(done) {
var opts = { cwd: baseDir };
exec(gulp('-f'), opts, cb);
function cb(err, stdout, stderr) {
expect(err).not.toBeNull();
expect(stdout).toEqual('');
expect(stderr).toEqual('Not enough arguments following: f\n' + outputText);
done();
}
});
});