Add failing test for strings w/ spaces/commas

#5

Author: pmowrer

test/fixtures/strings/content.scss

@@ -0,0 +1,5 @@
+@import 'variables.json';
+
+p::after {
+  content: $alt;
+}

test/fixtures/strings/variables.json

@@ -1,4 +1,5 @@
 {
   "color-red": "#c33",
-  "color-blue": "#33c"
+  "color-blue": "#33c",
+  "alt": "Ashness Pier, Derwentwater, Lake District, Cumbria, UK."
 }

test/index.js

@@ -3,7 +3,8 @@ import sass         from 'node-sass';
 import {expect}     from 'chai';
 import {resolve}    from 'path';
 
-const EXPECTATION = 'body {\n  color: #c33; }\n';
+const EXPECTATION1 = 'body {\n  color: #c33; }\n';
+const EXPECTATION2 = 'p::after {\n  content: "Ashness Pier, Derwentwater, Lake District, Cumbria, UK."; }\n';
 
 describe('Import type test', function() {
 
@@ -13,7 +14,17 @@ describe('Import type test', function() {
       importer: jsonImporter
     });
 
-    expect(result.css.toString()).to.eql(EXPECTATION);
+    expect(result.css.toString()).to.eql(EXPECTATION1);
+  });
+
+  // Added as failing test for: https://github.com/Updater/node-sass-json-importer/pull/5
+  it('imports strings with spaces and/or commas', function() {
+    let result = sass.renderSync({
+      file: './test/fixtures/strings/content.scss',
+      importer: jsonImporter
+    });
+
+    expect(result.css.toString()).to.eql(EXPECTATION2);
   });
 
   it('imports lists', function() {
@@ -22,7 +33,7 @@ describe('Import type test', function() {
       importer: jsonImporter
     });
 
-    expect(result.css.toString()).to.eql(EXPECTATION);
+    expect(result.css.toString()).to.eql(EXPECTATION1);
   });
 
   it('imports maps', function() {
@@ -31,7 +42,7 @@ describe('Import type test', function() {
       importer: jsonImporter
     });
 
-    expect(result.css.toString()).to.eql(EXPECTATION);
+    expect(result.css.toString()).to.eql(EXPECTATION1);
   });
 
   it('finds imports via includePaths', function() {
@@ -41,7 +52,7 @@ describe('Import type test', function() {
       importer: jsonImporter
     });
 
-    expect(result.css.toString()).to.eql(EXPECTATION);
+    expect(result.css.toString()).to.eql(EXPECTATION1);
   });
 
   it('finds imports via multiple includePaths', function() {
@@ -51,7 +62,7 @@ describe('Import type test', function() {
       importer: jsonImporter
     });
 
-    expect(result.css.toString()).to.eql(EXPECTATION);
+    expect(result.css.toString()).to.eql(EXPECTATION1);
   });
 
   it(`throws when an import doesn't exist`, function() {