feature: separate options for value/tag trimming, working on #17

2026-09-18 05:50:43 -07:00 · 2017-10-30 01:46:31 +08:00
parent 502426f621
commit e8fa8d32f5
15 changed files with 236 additions and 147 deletions
@@ -0,0 +1,84 @@
+const chai = require('chai')
+const expect = chai.expect
+const Liquid = require('../..')
+chai.use(require('chai-as-promised'))
+
+describe('trimming', function () {
+  var ctx = {name: 'harttle'}
+
+  describe('tag trimming', function () {
+    it('should respect trim_tag_left', function () {
+      var engine = Liquid({ trim_tag_left: true })
+      return expect(engine.parseAndRender(' \n \t{%if true%}foo{%endif%} '))
+        .to.eventually.equal('foo ')
+    })
+    it('should respect trim_tag_right', function () {
+      var engine = Liquid({ trim_tag_right: true })
+      return expect(engine.parseAndRender('\t{%if true%}foo{%endif%} \n'))
+        .to.eventually.equal('\tfoo')
+    })
+    it('should not trim value', function () {
+      var engine = Liquid({ trim_tag_left: true, trim_tag_right: true })
+      return expect(engine.parseAndRender('{%if true%}a {{name}} b{%endif%}', ctx))
+        .to.eventually.equal('a harttle b')
+    })
+  })
+  describe('value trimming', function () {
+    it('should respect trim_value_left', function () {
+      var engine = Liquid({ trim_value_left: true })
+      return expect(engine.parseAndRender(' \n \t{{name}} ', ctx))
+        .to.eventually.equal('harttle ')
+    })
+    it('should respect trim_value_right', function () {
+      var engine = Liquid({ trim_value_right: true })
+      return expect(engine.parseAndRender(' \n \t{{name}} ', ctx))
+        .to.eventually.equal(' \n \tharttle')
+    })
+    it('should respect not trim tag', function () {
+      var engine = Liquid({ trim_value_left: true, trim_value_right: true })
+      return expect(engine.parseAndRender('\t{% if true %} aha {%endif%}\t'))
+        .to.eventually.equal('\t aha \t')
+    })
+  })
+  describe('greedy', function () {
+    var src = '\n {%-if true-%}\n a \n{{-name-}}{%-endif-%}\n '
+    it('should enable greedy by default', function () {
+      var engine = Liquid()
+      return expect(engine.parseAndRender(src, ctx))
+        .to.eventually.equal('aharttle')
+    })
+    it('should respect to greedy:false by default', function () {
+      var engine = Liquid({greedy: false})
+      return expect(engine.parseAndRender(src, ctx))
+        .to.eventually.equal('\n a \nharttle ')
+    })
+  })
+  describe('markup', function () {
+    it('should support trim using markup', function () {
+      var engine = Liquid()
+      var src = [
+        '{%- assign username = "John G. Chalmers-Smith" -%}',
+        '{%- if username and username.length > 10 -%}',
+        '  Wow, {{ username }}, you have a long name!',
+        '{%- else -%}',
+        '  Hello there!',
+        '{%- endif -%}'
+      ].join('\n')
+      var dst = 'Wow, John G. Chalmers-Smith, you have a long name!'
+      return expect(engine.parseAndRender(src)).to.eventually.equal(dst)
+    })
+    it('should not trim when not specified', function () {
+      var engine = Liquid()
+      var src = [
+        '{% assign username = "John G. Chalmers-Smith" %}',
+        '{% if username and username.length > 10 %}',
+        '  Wow, {{ username }}, you have a long name!',
+        '{% else %}',
+        '  Hello there!',
+        '{% endif %}'
+      ].join('\n')
+      var dst = '\n\n  Wow, John G. Chalmers-Smith, you have a long name!\n'
+      return expect(engine.parseAndRender(src)).to.eventually.equal(dst)
+    })
+  })
+})