feature: get nyc, babel and coveralls working

test/unit/parser.js

@@ -0,0 +1,49 @@
+import chai from 'chai'
+import sinonChai from 'sinon-chai'
+import Filter from '../../src/filter.js'
+import Tag from '../../src/tag.js'
+import Template from '../../src/parser.js'
+
+const expect = chai.expect
+const filter = Filter()
+const tag = Tag()
+chai.use(sinonChai)
+
+describe('template', function () {
+  let template
+  const add = (l, r) => l + r
+
+  beforeEach(function () {
+    filter.clear()
+    filter.register('add', add)
+
+    tag.clear()
+    template = Template(tag, filter)
+  })
+
+  it('should throw when value string illegal', function () {
+    expect(function () {
+      template.parseValue('/')
+    }).to.throw(/illegal value string/)
+  })
+
+  it('should parse value string', function () {
+    const tpl = template.parseValue('foo')
+    expect(tpl.type).to.equal('value')
+    expect(tpl.initial).to.equal('foo')
+    expect(tpl.filters).to.deep.equal([])
+  })
+
+  it('should parse value string with a simple filter', function () {
+    const tpl = template.parseValue('foo | add: 3, "foo"')
+    expect(tpl.initial).to.equal('foo')
+    expect(tpl.filters.length).to.equal(1)
+    expect(tpl.filters[0].filter).to.equal(add)
+  })
+
+  it('should parse value string with filters', function () {
+    const tpl = template.parseValue('foo | add: "|" | add')
+    expect(tpl.initial).to.equal('foo')
+    expect(tpl.filters.length).to.equal(2)
+  })
+})