issue 5: specs

test/src/spawn.test.js

@@ -0,0 +1,63 @@
+var expect = require('chai').expect;
+var debugFabAPI = require('../..');
+
+var origDebug = debugFabAPI();
+origDebug.save('root*');
+origDebug.enable(origDebug.load());
+
+var debug = debugFabAPI.spawnable('root', origDebug);
+
+describe('spawn', function() {
+  describe('namespaces are unique', function() {
+    it('1 off', function() {
+      var child = debug.spawn('child1');
+      expect(child.namespace).to.not.eql(debug.namespace);
+      expect(debug.namespace).to.eql('root');
+      expect(child.namespace).to.eql('root:child1');
+    });
+
+    it('2 off', function() {
+      var child1 = debug.spawn('child1');
+      var child2 = debug.spawn('child2');
+
+      expect(child1).to.not.eql(child2);
+      expect(child1.namespace).to.not.eql(child2.namespace);
+      expect(child1.namespace).to.eql('root:child1');
+      expect(child2.namespace).to.eql('root:child2');
+    });
+
+    it('grandchildren', function() {
+      var child1 = debug.spawn('child1').spawn('grand');
+      var child2 = debug.spawn('child2').spawn('grand');
+
+      expect(child1).to.not.eql(child2); // resolved by noop scope level to be new on each spawn
+      expect(child1.namespace).to.not.eql(child2.namespace);
+      // resolved by not memoizeing spawn as `grand`
+      // above matches for both child1 and child2 and memoizee has child1 cached
+      expect(child1.namespace).to.eql('root:child1:grand');
+      expect(child2.namespace).to.eql('root:child2:grand');
+    });
+
+    it('grandchildren', function() {
+      var child1 = debug.spawn('child1').spawn('grand');
+      var child2 = debug.spawn('child2').spawn('grand1');
+
+      expect(child1).to.not.eql(child2);
+      expect(child1.namespace).to.not.eql(child2.namespace);
+      // resolved by not memoizeing spawn as `grand`
+      // above matches for both child1 and child2 and memoizee has child1 cached
+      expect(child1.namespace).to.eql('root:child1:grand');
+      expect(child2.namespace).to.eql('root:child2:grand1');
+    });
+
+    it('great grandchildren', function() {
+      var child1 = debug.spawn('child1').spawn('grand').spawn('great');
+      var child2 = debug.spawn('child2').spawn('grand').spawn('great');;
+
+      expect(child1).to.not.eql(child2);
+      expect(child1.namespace).to.not.eql(child2.namespace);
+      expect(child1.namespace).to.eql('root:child1:grand:great');
+      expect(child2.namespace).to.eql('root:child2:grand:great');
+    });
+  });
+});