added tests for mincer font/image helpers

.travis.yml

@@ -9,7 +9,7 @@ gemfile:
   - test/gemfiles/sass_3_3.gemfile
   - test/gemfiles/sass_head.gemfile
 before_install:
-  - "npm install node-sass"
+  - "npm install node-sass mincer ejs"
 matrix:
   allow_failures:
     - gemfile: test/gemfiles/sass_head.gemfile

test/dummy_node_mincer/application.css

@@ -0,0 +1,4 @@
+
+/*
+ *= require require_all 
+ */

test/dummy_node_mincer/manifest.js

@@ -0,0 +1,86 @@
+'use strict';
+
+
+// Build script from https://github.com/nodeca/mincer/tree/master/examples
+
+//
+// Require module
+//
+
+
+var Mincer = require('mincer');
+
+
+//
+// Get Mincer environment
+//
+
+
+//
+// Configure Mincers logger, by default, all
+// messages are going to the middle of nowhere
+//
+
+
+Mincer.logger.use(console);
+
+
+//
+// Create and export environment
+//
+
+
+var environment = new Mincer.Environment(process.cwd());
+
+
+//
+// Configure environment load paths (where to find ssets)
+//
+
+// Include bootstrap scss load path
+environment.appendPath('../../vendor/assets/stylesheets');
+
+// Include fonts load path
+environment.appendPath('../../vendor/assets/fonts');
+
+// Include dir with assets, root just for test
+environment.appendPath('./');
+
+
+//
+// Define environment essential *_path helper that will be available in the
+// processed assets. See `assets/stylesheets/app.css.ejs` for example.
+//
+
+
+environment.ContextClass.defineAssetPath(function (pathname, options) {
+  var asset = this.environment.findAsset(pathname, options);
+
+  if (!asset) {
+    throw new Error("File " + pathname + " not found");
+  }
+
+  return '/assets/' + asset.digestPath;
+});
+
+
+//
+// Create and compile Manifest
+//
+
+var manifest_path = process.argv[2] || __dirname + '/assets';
+
+var manifest = new Mincer.Manifest(environment, manifest_path);
+
+
+manifest.compile(['application.css'], function (err, assetsData) {
+  if (err) {
+    console.error("Failed compile assets: " + (err.message || err.toString()));
+    process.exit(128);
+  }
+
+  console.info('\n\nAssets were successfully compiled.\n' +
+               'Manifest data (a proper JSON) was written to:\n' +
+               manifest.path + '\n\n');
+  console.dir(assetsData);
+});

test/dummy_node_mincer/require_all.css.ejs.scss

@@ -0,0 +1,8 @@
+
+
+@import "bootstrap/bootstrap-mincer";
+@import "bootstrap";
+
+#image-retina {
+  @include img-retina("apple-touch-icon-144-precomposed.png", "apple-touch-icon-144-precomposed.png", 72px, 72px);
+}

test/node_mincer_test.rb

@@ -0,0 +1,35 @@
+require 'test_helper'
+require 'json'
+
+class NodeMincerTest < Test::Unit::TestCase
+  DUMMY_PATH = 'test/dummy_node_mincer'
+
+  def test_font_helper_without_suffix
+    assert_match %r(url\(['"]?/assets/.*eot['"]?\)), @css
+  end
+
+  def test_font_helper_with_suffix_sharp
+    assert_match %r(url\(['"]?/assets/.*svg#.+['"]?\)), @css
+  end
+
+  def test_font_helper_with_suffix_question
+    assert_match %r(url\(['"]?/assets/.*eot\?.*['"]?\)), @css
+  end
+
+  def test_image_helper
+    assert_match %r(url\(['"]?/assets/apple-touch-icon-144-precomposed.*png['"]?\)), @css
+  end
+
+  def setup
+    tmp_dir = File.join Bootstrap.gem_path, 'tmp/node-mincer'
+    command = "node manifest.js #{tmp_dir}"
+    Dir.chdir DUMMY_PATH do
+      assert silence_stream(STDOUT) {
+        system(command)
+      }, 'Node.js Mincer compilation failed'
+    end
+    manifest = JSON.parse(File.read("#{tmp_dir}/manifest.json"))
+    css_name = manifest["assets"]["application.css"]
+    @css = File.read("#{tmp_dir}/#{css_name}")
+  end
+end