initial tests for DRYML using Cucumber and Aruba

.gitignore

@@ -5,6 +5,7 @@ hobo/taglib-docs
 */pkg
 
 dryml/lib/doc
+dryml/tmp
 doc
 dryml/doc
 .yardoc

dryml/Gemfile

@@ -0,0 +1,6 @@
+source "http://rubygems.org"
+
+gem 'hobo_support', :path => '../hobo_support'
+
+gemspec
+

dryml/dryml.gemspec

@@ -14,6 +14,8 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency('actionpack', ["~> 3.1.0"])
   s.add_runtime_dependency('hobo_support', ["= #{version}"])
   s.add_development_dependency('rubydoctest', [">= 0"])
+  s.add_development_dependency('cucumber', '~> 1.1.0')
+  s.add_development_dependency('aruba', '~> 0.4.6')
 
   s.files = `git ls-files -x #{name}/* -z`.split("\0")
 

dryml/features/doctest_examples.feature

@@ -0,0 +1,135 @@
+Feature: Doctest examples
+
+  Scenario: plain text
+    Given a file named "doctest.dryml" with:
+    """
+    hi
+    """
+    When I render "doctest.dryml"
+    Then the output DOM should be:
+    """
+    hi
+    """
+
+  Scenario: single ERB output tag
+    Given a file named "doctest.dryml" with:
+    """
+    <%= this %>
+    """
+    And the local variable "this" has the value "hello"
+    When I render "doctest.dryml"
+    Then the output DOM should be:
+    """
+    hello
+    """
+
+  Scenario: if-else
+    Given a file named "doctest.dryml" with:
+    """
+    <if test="&true">
+      Hi
+    </if>
+    <else>
+      Bye
+    </else>
+    """
+    When I render "doctest.dryml"
+    Then the output DOM should be:
+    """
+    Hi
+    """
+
+  Scenario: repeating tags
+    Given a file named "doctest.dryml" with:
+    """
+    <repeat with="&[1,2,3]">
+      <span><%= this %></span>
+    </repeat>
+    """
+    When I render "doctest.dryml"
+    Then the output DOM should be:
+    """
+    <span>1</span>
+    <span>2</span>
+    <span>3</span>
+    """
+
+  Scenario: defining a tag with a default parameter
+    Given a file named "doctest.dryml" with:
+    """
+    <def tag="myp">
+      <p param="default"/>
+    </def>
+    <myp>Hi</myp>
+    """
+    When I render "doctest.dryml"
+    Then the output DOM should be:
+    """
+    <p>
+      Hi
+    </p>
+    """
+
+  Scenario: calling a tag using call-tag
+    Given a file named "doctest.dryml" with:
+    """
+    <def tag="myp">
+      <p param="default" />
+    </def>
+    <call-tag tag="myp">
+      Hi
+    </call-tag>
+    """
+    When I render "doctest.dryml"
+    Then the output DOM should be:
+    """
+    <p>
+      Hi
+    </p>
+    """
+
+  Scenario: wrapping content with a custom tag
+    Given a file named "doctest.dryml" with:
+    """
+    <def tag="myp">
+      <p param="default" />
+    </def>
+    <wrap tag="myp" when="&true">
+      img
+    </wrap>
+    """
+    When I render "doctest.dryml"
+    Then the output DOM should be:
+    """
+    <p>
+      img
+    </p>
+    """
+
+  Scenario: extending a tag
+    Given a file named "doctest_taglib.dryml" with:
+    """
+    <def tag="myp">
+      <p param="default" />
+    </def>
+    """
+    And a file named "doctest_extend.dryml" with:
+    """
+    <extend tag="myp">
+      <old-myp merge>
+        <default: replace>Hello <default restore /></default:>
+      </old-myp>
+    </extend>
+    """
+    And a file named "doctest.dryml" with:
+    """
+    <myp>New World</myp>
+    """
+    When I include the taglib "doctest_taglib"
+    And I include the taglib "doctest_extend"
+    When I render "doctest.dryml"
+    Then the output DOM should be:
+    """
+    <p>Hello New World</p>
+    """
+

dryml/features/static_tags.feature

@@ -0,0 +1,35 @@
+Feature: Static tags render correctly
+
+  Scenario: Static tag with static attributes
+
+    Given a file named "static_tag.dryml" with:
+      """
+      <div class="foo">
+        FOO
+      </div>
+      """
+    When I render "static_tag.dryml"
+    Then the output DOM should be:
+      """
+      <div class="foo">
+        FOO
+      </div>
+      """
+
+  Scenario: Static tag with an interpolated attribute
+
+    Given a file named "static_tag.dryml" with:
+      """
+      <% some_var = 'foo' %>
+      <div class="#{some_var}">
+        FOO
+      </div>
+      """
+    When I render "static_tag.dryml"
+    Then the output DOM should be:
+      """
+      <div class="foo">
+        FOO
+      </div>
+      """
+

dryml/features/step_definitions/dom_comparison.rb

@@ -0,0 +1,10 @@
+Then /^the output DOM should be:$/ do |expected_html|
+  expected_rendered = ''
+  actual_rendered = ''
+  formatter = StripFormatter.new
+  # wrap in html tag, as REXML gets grumpy if there's more than one root node
+  formatter.write(REXML::Document.new("<html>#{expected_html}</html>"), expected_rendered)
+  formatter.write(REXML::Document.new("<html>#{@rendered_dom}</html>"), actual_rendered)
+  actual_rendered.should eq(expected_rendered)
+end
+

dryml/features/step_definitions/rendering.rb

@@ -0,0 +1,21 @@
+When /^I render "([^"]*)"$/ do |file|
+  file_path = aruba_path(file)
+  file_data = File.read(file_path)
+  @locals ||= {}
+  @taglibs ||= []
+  @rendered_dom = Dryml.render(file_data, @locals, file_path, @taglibs)
+  Dryml::Template.clear_build_cache
+end
+
+When /^I include the taglib "([^"]*)"$/ do |file|
+  file_path = aruba_path(file+".dryml")
+  template_dir = File.dirname(file_path)
+  @taglibs ||= []
+  @taglibs << { :src => file, :absolute_template_path => template_dir }
+end
+
+Given /^the local variable "([^"]*)" has the value "([^"]*)"$/ do |var, value|
+  @locals ||= {}
+  @locals[var.to_sym] = value
+end
+

dryml/features/support/env.rb

@@ -0,0 +1,25 @@
+lib = File.expand_path('../../../lib', __FILE__)
+$:.unshift lib unless $:.include?(lib)
+
+require 'bundler'
+Bundler.setup
+require 'aruba/cucumber'
+
+require 'active_support'
+require 'action_view'
+require 'action_controller'
+
+require 'dryml'
+require 'dryml/railtie/template_handler'
+
+def aruba_path(file_or_dir)
+  File.expand_path("../../../tmp/aruba/#{file_or_dir}", __FILE__)
+end
+
+# stub this
+module Hobo
+  def self.root
+    'no_such_path'
+  end
+end
+

dryml/features/support/strip_formatter.rb

@@ -0,0 +1,14 @@
+require 'rexml/document'
+require 'rexml/formatters/default'
+
+# strip whitespace when formatting XML
+
+class StripFormatter < REXML::Formatters::Default
+
+  protected
+
+  def write_text(node, output)
+    output << node.to_s.strip
+  end
+
+end

dryml/lib/dryml.rb

@@ -175,7 +175,7 @@ def render(template_src, locals={}, template_path=nil, included_taglibs=[], view
     this = locals.delete(:this) || nil
 
     renderer_class = Dryml::Template.build_cache[template_path]._?.environment ||
-      make_renderer_class(template_src, template_path, locals.keys)
+      make_renderer_class(template_src, template_path, locals.keys, included_taglibs)
     renderer_class.new(view).render_page(this, locals)
   end