Show error info for --require param problem

index.js

@@ -68,8 +68,14 @@ cli.on('require', function(name) {
  log.info('Requiring external module', ansi.magenta(name));
 });
 
-cli.on('requireFail', function(name) {
- log.warn(ansi.yellow('Failed to load external module'), ansi.magenta(name));
+cli.on('requireFail', function(name, error) {
+ log.warn(
+ ansi.yellow('Failed to load external module'),
+ ansi.magenta(name)
+ );
+ if (error) {
+ log.warn(ansi.yellow(error.toString()));
+ }
 });
 
 cli.on('respawn', function(flags, child) {

test/exports-as-tasks.js

@@ -25,7 +25,7 @@ describe('exports as tasks', function() {
  var filepath = path.join(expectedDir, 'tasks-as-exports.txt');
  var expected = fs.readFileSync(filepath, 'utf-8');
  // Remove babel/register lines
- stdout = eraseTime(skipLines(stdout, 3));
+ stdout = eraseTime(skipLines(stdout, 4));
  expect(stdout).toEqual(expected);
  done(err);
  }

test/fixtures/test-error-module.js

@@ -0,0 +1,2 @@
+throw new Error('from error module');
+console.log('inside error module');

test/flags-require.js

@@ -60,16 +60,55 @@ describe('flag: --require', function() {
  expect(stderr).toEqual('');
  stdout = eraseLapse(eraseTime(stdout));
  expect(stdout).toMatch('Failed to load external module ./null-module.js');
+ expect(stdout).toMatch('Error: Cannot find module \'./null-module.js\'');
  expect(stdout).toNotMatch('inside test module');
- expect(stdout).toNotMatch(
- 'Requiring external module ../test-module.js');
+ expect(stdout).toNotMatch('Requiring external module ../test-module.js');
 
- var chgWorkdirLog = headLines(stdout, 2);
+ var chgWorkdirLog = headLines(stdout, 3);
  var workdir = 'test/fixtures/gulpfiles'.replace(/\//g, path.sep);
  expect(chgWorkdirLog).toMatch('Working directory changed to ');
  expect(chgWorkdirLog).toMatch(workdir);
 
- stdout = eraseLapse(eraseTime(skipLines(stdout, 3)));
+ stdout = eraseLapse(eraseTime(skipLines(stdout, 4)));
+ expect(stdout).toEqual(
+ 'Starting \'default\'...\n' +
+ 'Starting \'test1\'...\n' +
+ 'Starting \'noop\'...\n' +
+ 'Finished \'noop\' after ?\n' +
+ 'Finished \'test1\' after ?\n' +
+ 'Starting \'test3\'...\n' +
+ 'Starting \'described\'...\n' +
+ 'Finished \'described\' after ?\n' +
+ 'Finished \'test3\' after ?\n' +
+ 'Starting \'noop\'...\n' +
+ 'Finished \'noop\' after ?\n' +
+ 'Finished \'default\' after ?\n' +
+ ''
+ );
+
+ done(err);
+ }
+ });
+
+ it('warns if module throw some error', function(done) {
+ runner({ verbose: false })
+ .gulp('--require ../test-error-module.js', '--cwd ./test/fixtures/gulpfiles')
+ .run(cb);
+
+ function cb(err, stdout, stderr) {
+ stdout = eraseLapse(eraseTime(stdout));
+ expect(err).toEqual(null);
+ expect(stderr).toEqual('');
+ expect(stdout).toMatch('Failed to load external module ../test-error-module.js');
+ expect(stdout).toMatch('Error: from error module');
+ expect(stdout).toNotMatch('inside error module');
+
+ var chgWorkdirLog = headLines(stdout, 3);
+ var workdir = 'test/fixtures/gulpfiles'.replace(/\//g, path.sep);
+ expect(chgWorkdirLog).toMatch('Working directory changed to ');
+ expect(chgWorkdirLog).toMatch(workdir);
+
+ stdout = eraseLapse(eraseTime(skipLines(stdout, 4)));
  expect(stdout).toEqual(
  'Starting \'default\'...\n' +
  'Starting \'test1\'...\n' +