feature: support toLiquid, working on #81

test/scope.js

@@ -96,6 +96,14 @@ describe('scope', function () {
       expect(scope.get('foo.bar')).to.equal('BAR')
     })
 
+    it('should respect to toLiquid', function () {
+      let scope = Scope.factory({foo: {
+        toLiquid: () => ({bar: 'BAR'}),
+        bar: 'bar'
+      }})
+      expect(scope.get('foo.bar')).to.equal('BAR')
+    })
+
     it('should access child property via dot syntax', function () {
       expect(scope.get('bar.zoo')).to.equal('coo')
       expect(scope.get('bar.arr')).to.deep.equal(['a', 'b'])

test/util/underscore.js

@@ -34,6 +34,17 @@ describe('util/underscore', function () {
       expect(_.isString(123)).to.be.false
     })
   })
+  describe('.stringify()', function () {
+    it('should respect to to_liquid() method', function () {
+      expect(_.stringify({to_liquid: () => 'foo'})).to.equal('foo')
+    })
+    it('should respect to toLiquid() method', function () {
+      expect(_.stringify({toLiquid: () => 'foo'})).to.equal('foo')
+    })
+    it('should recursively call toLiquid()', function () {
+      expect(_.stringify({toLiquid: () => ({toLiquid: () => 'foo'})})).to.equal('foo')
+    })
+  })
   describe('.forOwn()', function () {
     it('should iterate all properties', function () {
       var spy = sinon.spy()