Adding tests

bin/slush.js

@@ -162,7 +162,7 @@ function getGenerator (name) {
 }
 
 function getAllGenerators () {
-  return findGenerators(require.main.paths);
+  return findGenerators(process.env.NODE_ENV === 'test' ? [path.join(__dirname, '..', 'test')] : require.main.paths);
 }
 
 function findGenerators (searchpaths) {

package.json

@@ -45,7 +45,7 @@
     "mkdirp": "^0.3.5"
   },
   "scripts": {
-    "test": "node gulpfile.js && mocha --reporter spec"
+    "test": "node gulpfile.js && NODE_ENV=test mocha --reporter spec"
   },
   "engineStrict": true,
   "engines": {

test/slush-test/slushfile.js

@@ -0,0 +1,10 @@
+'use strict';
+var gulp = require('gulp');
+
+gulp.task('default', function () {
+  console.log('default');
+});
+
+gulp.task('app', function () {
+  console.log('app');
+});

test/slush.js

@@ -0,0 +1,106 @@
+'use strict';
+var spawn = require('child_process').spawn,
+    path = require('path');
+
+describe('slush', function () {
+  it('should list installed generators', function (done) {
+    var slush = runSlush();
+    var data = '';
+    slush.stdout.on('data', function (chunk) {
+      data += chunk;
+    });
+    slush.on('close', function (code) {
+      code.should.equal(0);
+      data.should.match(/\[slush\] ├── bad/);
+      data.should.match(/\[slush\] └── test/);
+      done();
+    });
+  });
+
+  it('should list tasks for given generator', function (done) {
+    var slush = runSlush(['test', '--tasks']);
+    var data = '';
+    slush.stdout.on('data', function (chunk) {
+      data += chunk;
+    });
+    slush.on('close', function (code) {
+      code.should.equal(0);
+      data.should.match(/\[gulp\] ├── default/);
+      data.should.match(/\[gulp\] └── app/);
+      done();
+    });
+  });
+
+  it('should run `default` task in generator, when task is not provided', function (done) {
+    var slush = runSlush(['test']);
+    var data = '';
+    slush.stdout.on('data', function (chunk) {
+      data += chunk;
+    });
+    slush.on('close', function (code) {
+      code.should.equal(0);
+      data.should.match(/\ndefault\n/);
+      done();
+    });
+  });
+
+  it('should run provided task in generator', function (done) {
+    var slush = runSlush(['test', 'app']);
+    var data = '';
+    slush.stdout.on('data', function (chunk) {
+      data += chunk;
+    });
+    slush.on('close', function (code) {
+      code.should.equal(0);
+      data.should.match(/\napp\n/);
+      done();
+    });
+  });
+
+  it('should fail when running a non-existing task in a generator', function (done) {
+    var slush = runSlush(['test', 'noexist']);
+    var data = '';
+    slush.stdout.on('data', function (chunk) {
+      data += chunk;
+    });
+    slush.on('close', function (code) {
+      code.should.equal(1);
+      data.should.match(/\[slush\] Task 'noexist' was not defined in `slush-test`/);
+      done();
+    });
+  });
+
+  it('should fail when running a generator without slushfile', function (done) {
+    var slush = runSlush(['bad']);
+    var data = '';
+    slush.stdout.on('data', function (chunk) {
+      data += chunk;
+    });
+    slush.on('close', function (code) {
+      code.should.equal(1);
+      data.should.match(/\[slush\] No slushfile found/);
+      data.should.match(/\[slush\].+issue with.+`slush-bad`/);
+      done();
+    });
+  });
+
+  it('should fail trying to run a non-existing generator', function (done) {
+    var slush = runSlush(['noexist']);
+    var data = '';
+    slush.stdout.on('data', function (chunk) {
+      data += chunk;
+    });
+    slush.on('close', function (code) {
+      code.should.equal(1);
+      data.should.match(/\[slush\] No generator by name: "noexist" was found/);
+      done();
+    });
+  });
+});
+
+function runSlush (args) {
+  args = args || [];
+  var slush = spawn('node', [path.join(__dirname, '..', 'bin', 'slush.js')].concat(args), {cwd: __dirname});
+  slush.stdout.setEncoding('utf8');
+  return slush;
+}