Add test for Env#alias() and default :app alias

This will allow third party tools from having to set this config everytime
yeoman · Jan 16, 2014 · 027c284 · 027c284
1 parent 2a725aa
commit 027c284
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diff --git a/lib/env/index.js b/lib/env/index.js
@@ -53,6 +53,8 @@ var Environment = module.exports = function Environment(args, opts, adapter) {
 
   this.lookups = ['.', 'generators', 'lib/generators'];
   this.aliases = [];
+
+  this.alias(/^([^:]+)$/, '$1:app');
 };
 
 util.inherits(Environment, events.EventEmitter);

diff --git a/test/env.js b/test/env.js
@@ -448,6 +448,29 @@ describe('Environment', function () {
     });
   });
 
+  describe('#alias()', function () {
+    it('apply regex and replace with alternative value', function () {
+      this.env.alias(/^([^:]+)$/, '$1:app');
+      assert.equal(this.env.alias('foo'), 'foo:app');
+    });
+
+    it('apply multiple regex', function () {
+      this.env.alias(/^([a-zA-Z0-9:\*]+)$/, 'generator-$1');
+      this.env.alias(/^([^:]+)$/, '$1:app');
+      assert.equal(this.env.alias('foo'), 'generator-foo:app');
+    });
+
+    it('apply latest aliases first', function () {
+      this.env.alias(/^([^:]+)$/, '$1:all');
+      this.env.alias(/^([^:]+)$/, '$1:app');
+      assert.equal(this.env.alias('foo'), 'foo:app');
+    });
+
+    it('alias empty namespace to `:app` by default', function () {
+      assert.equal(this.env.alias('foo'), 'foo:app');
+    });
+  });
+
   describe('.enforceUpdate()', function () {
     beforeEach(function () {
       this.env = new Environment();