test/unit/engine_tests.rb in dassets-sass-0.1.0 vs test/unit/engine_tests.rb in dassets-sass-0.2.0

@@ -1,19 +1,22 @@
 require 'assert'
-require 'dassets/engine'
 require 'dassets-sass'
 
+require 'dassets/engine'
+
 class Dassets::Sass::Engine
 
-  class BaseTests < Assert::Context
-    desc "the Dassets::Sass engine"
+  class UnitTests < Assert::Context
+    desc "Dassets::Sass::Engine"
     setup do
+      @lp1 = '/a-load-path-1'
+      @lp2 = '/a-load-path-2'
       @engine = Dassets::Sass::Engine.new
     end
     subject{ @engine }
 
-    should have_instance_method :syntax
+    should have_imeths :syntax, :load_paths
 
     should "be a Dassets engine" do
       assert_kind_of Dassets::Engine, subject
       assert_respond_to 'ext', subject
       assert_respond_to 'compile', subject
@@ -25,14 +28,52 @@
 
     should "allow specifying the engine syntax using engine opts" do
       assert_equal 'sass', Dassets::Sass::Engine.new(:syntax => 'sass').syntax
     end
 
+    should "default the load paths to be just the source path" do
+      assert_equal [subject.opts['source_path']], subject.load_paths
+    end
+
+    should "allow specifying custom load paths, always including the source path" do
+      engine = Dassets::Sass::Engine.new(:load_paths => @lp1)
+      assert_includes @lp1, engine.load_paths
+      assert_includes subject.opts['source_path'], engine.load_paths
+
+      engine = Dassets::Sass::Engine.new('load_paths' => [@lp1])
+      assert_includes @lp1, engine.load_paths
+      assert_includes subject.opts['source_path'], engine.load_paths
+
+      engine = Dassets::Sass::Engine.new('load_paths' => [@lp1, @lp2])
+      assert_includes @lp1, engine.load_paths
+      assert_includes @lp2, engine.load_paths
+      assert_includes subject.opts['source_path'], engine.load_paths
+    end
+
     should "transform any input extension to `css`" do
       assert_equal 'css', subject.ext('scss')
       assert_equal 'css', subject.ext('sass')
       assert_equal 'css', subject.ext('sassycss')
       assert_equal 'css', subject.ext('whatever')
+    end
+
+    should "use its syntax and load paths when compiling" do
+      compiled_with_options = false
+      input = @factory.sass
+      syntax = :sass
+      sass_engine = Dassets::Sass::Engine.new({
+        :syntax => syntax,
+        :load_paths => [@lp1]
+      })
+      load_paths = sass_engine.load_paths
+
+      Assert.stub(::Sass, :compile).with(input, {
+        :syntax => syntax,
+        :load_paths => load_paths
+      }){ compiled_with_options = true }
+
+      sass_engine.compile(input)
+      assert_true compiled_with_options
     end
 
     should "compile any input content as Sass css" do
       assert_equal @factory.scss_compiled, subject.compile(@factory.scss)