fix: {%assign%} now adds a shading scope

test/filters.js

@@ -54,8 +54,7 @@ describe('filters', function () {
 
       {%- for item in everything -%}
       - {{ item }}
-      {% endfor -%}`,
-      `- apples
+      {% endfor -%}`, `- apples
       - oranges
       - peaches
       - carrots
@@ -70,8 +69,7 @@ describe('filters', function () {
 
       {%- for item in everything -%}
       - {{ item }}
-      {% endfor -%}`,
-      `- apples
+      {% endfor -%}`, `- apples
       - oranges
       - peaches
       - carrots
@@ -156,7 +154,7 @@ describe('filters', function () {
 
   it('should support join', function () {
     var src = '{% assign beatles = "John, Paul, George, Ringo" | split: ", " %}' +
-            '{{ beatles | join: " and " }}'
+      '{{ beatles | join: " and " }}'
     return test(src, 'John and Paul and George and Ringo')
   })
 

test/scope.js

@@ -187,11 +187,6 @@ describe('scope', function () {
   })
 
   describe('.push()', function () {
-    it('should throw when trying to push non-object', function () {
-      expect(function () {
-        scope.push(false)
-      }).to.throw()
-    })
     it('should push scope', function () {
       scope.set('bar', 'bar')
       scope.push({

test/tags/assign.js

@@ -1,53 +1,67 @@
+'use strict'
 const Liquid = require('../..')
 const chai = require('chai')
 const expect = chai.expect
 chai.use(require('chai-as-promised'))
 
 describe('tags/assign', function () {
-  var liquid = Liquid()
+  let liquid = Liquid()
   it('should throw when variable expression illegal', function () {
-    var src = '{% assign / %}'
-    var ctx = {}
+    let src = '{% assign / %}'
+    let ctx = {}
     return expect(liquid.parseAndRender(src, ctx)).to.be.rejectedWith(/illegal/)
   })
-
-  it('should assign as string', function () {
-    var src = '{% assign foo="bar" %}{{foo}}'
+  it('should support assign to a string', function () {
+    let src = '{% assign foo="bar" %}{{foo}}'
     return expect(liquid.parseAndRender(src))
       .to.eventually.equal('bar')
   })
+  it('should support assign to a number', function () {
+    let src = '{% assign foo=10086 %}{{foo}}'
+    return expect(liquid.parseAndRender(src))
+      .to.eventually.equal('10086')
+  })
+  it('should shading rather than overwriting', function () {
+    let ctx = {foo: 'foo'}
+    let src = '{% assign foo="FOO" %}{{foo}}'
+    return liquid.parseAndRender(src, ctx)
+      .then(x => {
+        expect(x).to.equal('FOO')
+        expect(ctx.foo).to.equal('foo')
+      })
+  })
   it('should assign as array', function () {
-    var src = '{% assign foo=(1..3) %}{{foo}}'
+    let src = '{% assign foo=(1..3) %}{{foo}}'
     return expect(liquid.parseAndRender(src))
       .to.eventually.equal('[1,2,3]')
   })
   it('should assign as filter result', function () {
-    var src = '{% assign foo="a b" | capitalize | split: " " | first %}{{foo}}'
+    let src = '{% assign foo="a b" | capitalize | split: " " | first %}{{foo}}'
     return expect(liquid.parseAndRender(src))
       .to.eventually.equal('A')
   })
   it('should assign var-1', function () {
-    var src = '{% assign var-1 = 5 %}{{ var-1 }}'
+    let src = '{% assign var-1 = 5 %}{{ var-1 }}'
     return expect(liquid.parseAndRender(src)).to.eventually.equal('5')
   })
   it('should assign var-', function () {
-    var src = '{% assign var- = 5 %}{{ var- }}'
+    let src = '{% assign var- = 5 %}{{ var- }}'
     return expect(liquid.parseAndRender(src)).to.eventually.equal('5')
   })
   it('should assign -var', function () {
-    var src = '{% assign -var = 5 %}{{ -var }}'
+    let src = '{% assign -let = 5 %}{{ -let }}'
     return expect(liquid.parseAndRender(src)).to.eventually.equal('5')
   })
   it('should assign -5-5', function () {
-    var src = '{% assign -5-5 = 5 %}{{ -5-5 }}'
+    let src = '{% assign -5-5 = 5 %}{{ -5-5 }}'
     return expect(liquid.parseAndRender(src)).to.eventually.equal('5')
   })
   it('should assign 4-3', function () {
-    var src = '{% assign 4-3 = 5 %}{{ 4-3 }}'
+    let src = '{% assign 4-3 = 5 %}{{ 4-3 }}'
     return expect(liquid.parseAndRender(src)).to.eventually.equal('5')
   })
   it('should not assign -6', function () {
-    var src = '{% assign -6 = 5 %}{{ -6 }}'
+    let src = '{% assign -6 = 5 %}{{ -6 }}'
     return expect(liquid.parseAndRender(src)).to.eventually.equal('-6')
   })
 })