Merge pull request #1849 from afeld/sort-attributes

features/embed_filters.feature

@@ -58,3 +58,16 @@ Feature: Embed filters
     Then the _site directory should exist
     And I should see "By <p><em>Obi-wan</em></p>" in "_site/2009/03/27/star-wars.html"
 
+  Scenario: Sort by an arbitrary variable
+    Given I have a _layouts directory
+    And I have the following page:
+      | title  | layout  | value | content   |
+      | Page-1 | default | 8     | Something |
+    And I have the following page:
+      | title  | layout  | value | content   |
+      | Page-2 | default | 6     | Something |
+    And I have a default layout that contains "{{ site.pages | sort:'value' | map:'title' | join:', ' }}"
+    When I run jekyll
+    Then the _site directory should exist
+    And I should see exactly "Page-2, Page-1" in "_site/page-1.html"
+    And I should see exactly "Page-2, Page-1" in "_site/page-2.html"

features/step_definitions/jekyll_steps.rb

@@ -1,3 +1,22 @@
+def file_content_from_hash(input_hash)
+  matter_hash = input_hash.reject { |k, v| k == "content" }
+  matter = matter_hash.map { |k, v| "#{k}: #{v}\n" }.join.chomp
+
+  content = if input_hash['input'] && input_hash['filter']
+    "{{ #{input_hash['input']} | #{input_hash['filter']} }}"
+  else
+    input_hash['content']
+  end
+
+  <<EOF
+---
+#{matter}
+---
+#{content}
+EOF
+end
+
+
 Before do
   FileUtils.mkdir(TEST_DIR)
   Dir.chdir(TEST_DIR)
@@ -62,42 +81,28 @@ Given /^I have an? (.*) directory$/ do |dir|
   FileUtils.mkdir_p(dir)
 end
 
-Given /^I have the following (draft|post)s?(?: (in|under) "([^"]+)")?:$/ do |status, direction, folder, table|
-  table.hashes.each do |post|
-    title = slug(post['title'])
-    ext = post['type'] || 'textile'
+Given /^I have the following (draft|page|post)s?(?: (in|under) "([^"]+)")?:$/ do |status, direction, folder, table|
+  table.hashes.each do |input_hash|
+    title = slug(input_hash['title'])
+    ext = input_hash['type'] || 'textile'
     before, after = location(folder, direction)
 
-    if "draft" == status
-      folder_post = '_drafts'
+    case status
+    when "draft"
+      dest_folder = '_drafts'
       filename = "#{title}.#{ext}"
-    elsif "post" == status
-      parsed_date = Time.xmlschema(post['date']) rescue Time.parse(post['date'])
-      folder_post = '_posts'
+    when "page"
+      dest_folder = ''
+      filename = "#{title}.#{ext}"
+    when "post"
+      parsed_date = Time.xmlschema(input_hash['date']) rescue Time.parse(input_hash['date'])
+      dest_folder = '_posts'
       filename = "#{parsed_date.strftime('%Y-%m-%d')}-#{title}.#{ext}"
     end
 
-    path = File.join(before, folder_post, after, filename)
-
-    matter_hash = {}
-    %w(title layout tag tags category categories published author path date permalink).each do |key|
-      matter_hash[key] = post[key] if post[key]
-    end
-    matter = matter_hash.map { |k, v| "#{k}: #{v}\n" }.join.chomp
-
-    content = if post['input'] && post['filter']
-      "{{ #{post['input']} | #{post['filter']} }}"
-    else
-      post['content']
-    end
-
+    path = File.join(before, dest_folder, after, filename)
     File.open(path, 'w') do |f|
-      f.write <<EOF
----
-#{matter}
----
-#{content}
-EOF
+      f.write file_content_from_hash(input_hash)
     end
   end
 end

lib/jekyll/convertible.rb

@@ -171,5 +171,18 @@ module Jekyll
         f.write(self.output)
       end
     end
+
+    # Accessor for data properties by Liquid.
+    #
+    # property - The String name of the property to retrieve.
+    #
+    # Returns the String value or nil if the property isn't included.
+    def [](property)
+      if self.class::ATTRIBUTES_FOR_LIQUID.include?(property)
+        send(property)
+      else
+        data[property]
+      end
+    end
   end
 end

lib/jekyll/page.rb

@@ -9,9 +9,11 @@ module Jekyll
 
     # Attributes for Liquid templates
     ATTRIBUTES_FOR_LIQUID = %w[
-      url
       content
+      dir
+      name
       path
+      url
     ]
 
     # Initialize a new Page.

lib/jekyll/post.rb

@@ -9,6 +9,7 @@ module Jekyll
     EXCERPT_ATTRIBUTES_FOR_LIQUID = %w[
       title
       url
+      dir
       date
       id
       categories

test/source/_posts/2013-12-20-properties.text

@@ -0,0 +1,11 @@
+---
+categories: foo bar baz
+foo: bar
+layout: default
+tags: ay bee cee
+title: Properties Post
+---
+
+All the properties.
+
+Plus an excerpt.

test/source/properties.html

@@ -0,0 +1,8 @@
+---
+foo: bar
+layout: default
+permalink: /properties/
+title: Properties Page
+---
+
+All the properties.

test/test_filters.rb

@@ -120,7 +120,7 @@ class TestFilters < Test::Unit::TestCase
           case g["name"]
           when "default"
             assert g["items"].is_a?(Array), "The list of grouped items for 'default' is not an Array."
-            assert_equal 3, g["items"].size
+            assert_equal 4, g["items"].size
           when "nil"
             assert g["items"].is_a?(Array), "The list of grouped items for 'nil' is not an Array."
             assert_equal 2, g["items"].size

test/test_page.rb

@@ -47,6 +47,29 @@ class TestPage < Test::Unit::TestCase
         assert_equal "deal.with.dots", @page.basename
       end
 
+      should "make properties accessible through #[]" do
+        page = setup_page('properties.html')
+        attrs = {
+          content: "All the properties.\n",
+          dir: "/properties/",
+          excerpt: nil,
+          foo: 'bar',
+          layout: 'default',
+          name: "properties.html",
+          path: "properties.html",
+          permalink: '/properties/',
+          published: nil,
+          title: 'Properties Page',
+          url: "/properties/"
+        }
+
+        attrs.each do |attr, val|
+          attr_str = attr.to_s
+          result = page[attr_str]
+          assert_equal val, result, "For <page[\"#{attr_str}\"]>:"
+        end
+      end
+
       context "with pretty url style" do
         setup do
           @site.permalink_style = :pretty

test/test_post.rb

@@ -25,6 +25,34 @@ class TestPost < Test::Unit::TestCase
       assert !Post.valid?("blah")
     end
 
+    should "make properties accessible through #[]" do
+      post = setup_post('2013-12-20-properties.text')
+
+      attrs = {
+        categories: %w(foo bar baz),
+        content: "All the properties.\n\nPlus an excerpt.\n",
+        date: Time.new(2013, 12, 20),
+        dir: "/foo/bar/baz/2013/12/20",
+        excerpt: "All the properties.\n\n",
+        foo: 'bar',
+        id: "/foo/bar/baz/2013/12/20/properties",
+        layout: 'default',
+        name: nil,
+        # path: "properties.html",
+        permalink: nil,
+        published: nil,
+        tags: %w(ay bee cee),
+        title: 'Properties Post',
+        url: "/foo/bar/baz/2013/12/20/properties.html"
+      }
+
+      attrs.each do |attr, val|
+        attr_str = attr.to_s
+        result = post[attr_str]
+        assert_equal val, result, "For <post[\"#{attr_str}\"]>:"
+      end
+    end
+
     context "processing posts" do
       setup do
         @post = Post.allocate

test/test_site.rb

@@ -157,7 +157,7 @@ class TestSite < Test::Unit::TestCase
     should "sort pages alphabetically" do
       stub.proxy(Dir).entries { |entries| entries.reverse }
       @site.process
-      sorted_pages = %w(.htaccess about.html bar.html contacts.html deal.with.dots.html foo.md index.html index.html sitemap.xml symlinked-file)
+      sorted_pages = %w(.htaccess about.html bar.html contacts.html deal.with.dots.html foo.md index.html index.html properties.html sitemap.xml symlinked-file)
       assert_equal sorted_pages, @site.pages.map(&:name)
     end
 
@@ -183,7 +183,7 @@ class TestSite < Test::Unit::TestCase
 
       assert_equal posts.size - @num_invalid_posts, @site.posts.size
       assert_equal categories, @site.categories.keys.sort
-      assert_equal 4, @site.categories['foo'].size
+      assert_equal 5, @site.categories['foo'].size
     end
 
     context 'error handling' do