wycats · Apr 15, 2013
Showing with 125 additions and 0 deletions.

+1 −0 lib/rake-pipeline-web-filters.rb

+6 −0 lib/rake-pipeline-web-filters/helpers.rb

+12 −0 lib/rake-pipeline-web-filters/slim_filter.rb

+1 −0 rake-pipeline-web-filters.gemspec

+105 −0 spec/slim_filter_spec.rb
diff --git a/lib/rake-pipeline-web-filters.rb b/lib/rake-pipeline-web-filters.rb
@@ -19,6 +19,7 @@ module Filters
 require "rake-pipeline-web-filters/stylus_filter"
 require "rake-pipeline-web-filters/jade_filter"
 require "rake-pipeline-web-filters/tilt_filter"
+require "rake-pipeline-web-filters/slim_filter"
 require "rake-pipeline-web-filters/coffee_script_filter"
 require "rake-pipeline-web-filters/yui_javascript_filter"
 require "rake-pipeline-web-filters/yui_css_filter"

diff --git a/lib/rake-pipeline-web-filters/helpers.rb b/lib/rake-pipeline-web-filters/helpers.rb
@@ -51,6 +51,12 @@ def tilt(*args, &block)
       filter(Rake::Pipeline::Web::Filters::TiltFilter, *args, &block)
     end
 
+    # Add a new {SlimFilter} to the pipeline.
+    # @see SlimFilter#initialize
+    def slim(*args, &block)
+      filter(Rake::Pipeline::Web::Filters::SlimFilter, *args, &block)
+    end
+
     # Add a new {MarkdownFilter} to the pipeline.
     # @see MarkdownFilter#initialize
     def markdown(*args, &block)

diff --git a/lib/rake-pipeline-web-filters/slim_filter.rb b/lib/rake-pipeline-web-filters/slim_filter.rb
@@ -0,0 +1,12 @@
+require 'rake-pipeline-web-filters/filter_with_dependencies'
+
+module Rake::Pipeline::Web::Filters
+
+  class SlimFilter < TiltFilter
+
+    def external_dependencies
+      [ 'slim' ]
+    end
+
+  end
+end
diff --git a/rake-pipeline-web-filters.gemspec b/rake-pipeline-web-filters.gemspec
@@ -20,6 +20,7 @@ Gem::Specification.new do |gem|
 
   gem.add_development_dependency "rspec"
   gem.add_development_dependency "tilt"
+  gem.add_development_dependency "slim"
   gem.add_development_dependency "sass"
   gem.add_development_dependency "compass"
   gem.add_development_dependency "coffee-script"

diff --git a/spec/slim_filter_spec.rb b/spec/slim_filter_spec.rb
@@ -0,0 +1,105 @@
+describe "SlimFilter" do
+  MemoryFileWrapper ||= Rake::Pipeline::SpecHelpers::MemoryFileWrapper
+  MemoryManifest ||= Rake::Pipeline::SpecHelpers::MemoryManifest
+
+  let(:slim_input) { <<-SLIM }
+doctype html
+html
+  head
+    title Slim Sample
+  body
+    p I love slim!
+SLIM
+
+  let (:slim_output) do
+    "<!DOCTYPE html><html><head><title>Slim Sample</title></head><body><p>I love slim!</p></body></html>"
+  end
+
+  let(:slim_rb_input) { <<-SLIM }
+- [0,1,2].each do |i|
+  li= i
+SLIM
+
+  let(:slim_rb_output) { "<li>0</li><li>1</li><li>2</li>" }
+
+let(:input_files) {
+  [
+    MemoryFileWrapper.new("/path/to/input", "foo.slim", "UTF-8", slim_input),
+    MemoryFileWrapper.new("/path/to/input", "bar.slim", "UTF-8", slim_rb_input)
+  ]
+}
+
+let(:output_files) {
+  [
+    MemoryFileWrapper.new("/path/to/output", "foo.html", "UTF-8"),
+    MemoryFileWrapper.new("/path/to/output", "bar.html", "UTF-8")
+  ]
+}
+
+  def make_filter(*args)
+    filter = Rake::Pipeline::Web::Filters::SlimFilter.new(*args) do |input|
+      input.sub(/\.slim$/, '.html')
+    end
+    filter.file_wrapper_class = MemoryFileWrapper
+    filter.manifest = MemoryManifest.new
+    filter.last_manifest = MemoryManifest.new
+    filter.input_files = input_files
+    filter.output_root = "/path/to/output"
+    filter.rake_application = Rake::Application.new
+    filter
+  end
+
+  it "generates output" do
+    filter = make_filter
+
+    filter.output_files.should == output_files
+
+    tasks = filter.generate_rake_tasks
+    tasks.each(&:invoke)
+
+    file = MemoryFileWrapper.files["/path/to/output/foo.html"]
+    file.body.should == slim_output
+    file.encoding.should == "UTF-8"
+
+    file = MemoryFileWrapper.files["/path/to/output/bar.html"]
+    file.body.should == slim_rb_output
+    file.encoding.should == "UTF-8"
+  end
+
+  it "accepts options to pass to the template class" do
+    # :pretty => true should indent html for pretty debugging
+    filter = make_filter(:pretty => true)
+
+    tasks = filter.generate_rake_tasks
+    tasks.each(&:invoke)
+    file = MemoryFileWrapper.files["/path/to/output/foo.html"]
+    # body should contain line breaks, and stripping out line breaks & indents
+    # should produce the original output
+    file.body.should include "\n  "
+    file.body.gsub(/\n\s*/, '').should == slim_output
+  end
+
+  describe 'with a rendering context' do
+
+    let(:input_files) do
+      [
+        MemoryFileWrapper.new("/path/to/input", "foo.slim", "UTF-8", "b= foo"),
+      ]
+    end
+
+    let(:context) do
+      context = Class.new do
+        def foo; 'bar'; end
+      end.new
+    end
+
+    it 'uses the context' do
+      filter = make_filter({}, context)
+
+      tasks = filter.generate_rake_tasks
+      tasks.each(&:invoke)
+      file = MemoryFileWrapper.files["/path/to/output/foo.html"]
+      file.body.should == "<b>bar</b>"
+    end
+  end
+end