add some tests for the basic inline css/js output functionality

test/inlineHelpers.js

@@ -0,0 +1,87 @@
+var expect = require("expect.js");
+var mocha = require("mocha");
+var assets = require("..");
+
+describe("inline-helper functions", function () {
+  it("do not pollute global scope if helperContext is passed", function () {
+    var ctx = {};
+    var instance = assets({ helperContext: ctx });
+
+    expect(ctx.css_inline).to.be.a("function");
+    expect(ctx.js_inline).to.be.a("function");
+
+    expect(global.css_inline).to.equal(undefined);
+    expect(global.js_inline).to.equal(undefined);
+  });
+
+  describe("css", function () {
+    it("throw an Error if asset is not found", function () {
+      var ctx = {};
+      var instance = assets({ helperContext: ctx });
+
+      expect(function () {
+        ctx.js_inline("non-existant-asset.js");
+      }).to.throwError(/'non-existant-asset.js' not found/i);
+    });
+
+    it("returns a <style> tag", function () {
+      var ctx      = {};
+      var instance = assets({ helperContext: ctx, paths: "test/assets/css" });
+      var tag      = ctx.css_inline("unminified.css");
+
+      expect(tag).to.match(/<style>([\s\S]+?)<\/style>/m);
+    });
+
+    it("should serve correct asset even if extention is not supplied", function () {
+      var ctx      = {};
+      var instance = assets({ helperContext: ctx, paths: "test/assets/css" });
+      var tag      = ctx.css_inline("unminified");
+
+      expect(tag).to.match(/<style>([\s\S]+?)<\/style>/m);
+    });
+
+    it("should have additional attributes in result tag", function () {
+      var ctx      = {};
+      var instance = assets({ helperContext: ctx, paths: "test/assets/css" });
+      var tag      = ctx.css_inline("asset.css", { 'data-turbolinks-track': true });
+
+      expect(tag).to.match(/data-turbolinks-track>/);
+    });
+  });
+
+  describe("js", function () {
+    it("throw an Error if asset is not found", function () {
+      var ctx = {};
+      var instance = assets({ helperContext: ctx });
+
+      expect(function () {
+        ctx.js_inline("non-existant-asset.js");
+      }).to.throwError(/'non-existant-asset.js' not found/i);
+    });
+
+    it("returns a <style> tag", function () {
+      var ctx      = {};
+      var instance = assets({ helperContext: ctx, paths: "test/assets/js" });
+      var tag      = ctx.js_inline("simple.js");
+
+      expect(tag).to.match(/<script>var a = true;<\/script>/m);
+    });
+
+    it("should serve correct asset even if extention is not supplied", function () {
+      var ctx      = {};
+      var instance = assets({ helperContext: ctx, paths: "test/assets/js" });
+      var tag      = ctx.js_inline("simple");
+
+      expect(tag).to.match(/<script>var a = true;<\/script>/m);
+    });
+
+    it("should have additional attributes in result tag", function () {
+      var ctx      = {};
+      var instance = assets({ helperContext: ctx, paths: "test/assets/js" });
+      var tag      = ctx.js_inline("unminified.js", { 'data-turbolinks-track': true });
+
+      expect(tag).to.match(/data-turbolinks-track>/);
+    });
+  });
+
+});