Added unit tests for "parser.js" and "util.js"

test/unit/parser.spec.js

@@ -0,0 +1,69 @@
+var parser = require('../../src/parser')
+var { expect } = require('chai')
+
+describe('parser.js', () => {
+  describe('#parse', () => {
+    describe('Correct types', () => {
+      it('Should parse numbers', () => {
+        let object = parser.parse(10)
+
+        expect(object.value).to.be.a('number')
+        expect(object.type).to.be.a('string')
+
+        expect(object.value).to.equal(10)
+        expect(object.type).to.equal('px')
+      })
+
+      it('Should parse strings', () => {
+        let object = parser.parse('10')
+
+        expect(object.value).to.be.a('number')
+        expect(object.type).to.be.a('string')
+
+        expect(object.value).to.equal(10)
+        expect(object.type).to.equal('px')
+      })
+
+      it ('Should parse "auto" string, auto => {type: "auto", value: 0}', () => {
+        let object = parser.parse('auto')
+
+        expect(object.value).to.equal(0)
+        expect(object.type).to.equal('auto')
+      })
+
+      it ('Should parse wrong types', () => {
+        let nullValue = parser.parse(null)
+        let booleanValue = parser.parse(false)
+
+        expect(nullValue.value).to.equal(null)
+        expect(nullValue.type).to.equal('')
+
+        expect(booleanValue.value).to.equal(false)
+        expect(booleanValue.type).to.equal('')
+      })
+    })
+
+    describe('Parsing suffixed string', () => {
+      it ('Should parse "px"', () => {
+        let object = parser.parse('10px')
+
+        expect(object.value).to.equal(10)
+        expect(object.type).to.equal('px')
+      })
+
+      it ('Should parse "%"', () => {
+        let object = parser.parse('10%')
+
+        expect(object.value).to.equal(10)
+        expect(object.type).to.equal('%')
+      })
+
+      it ('Should not parse "%px"', () => {
+        let object = parser.parse('10%px')
+
+        expect(object.value).to.be.a('string')
+        expect(object.type).to.equal('')
+      })
+    })
+  })
+})