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require 'contest'
require 'tilt'
begin
require 'nokogiri'
class NokogiriTemplateTest < Test::Unit::TestCase
test "registered for '.nokogiri' files" do
assert_equal Tilt::NokogiriTemplate, Tilt['test.nokogiri']
assert_equal Tilt::NokogiriTemplate, Tilt['test.xml.nokogiri']
end
test "preparing and evaluating the template on #render" do
template = Tilt::NokogiriTemplate.new { |t| "xml.em 'Hello World!'" }
doc = Nokogiri.XML template.render
assert_equal 'Hello World!', doc.root.text
assert_equal 'em', doc.root.name
end
test "can be rendered more than once" do
template = Tilt::NokogiriTemplate.new { |t| "xml.em 'Hello World!'" }
3.times do
doc = Nokogiri.XML template.render
assert_equal 'Hello World!', doc.root.text
assert_equal 'em', doc.root.name
end
end
test "passing locals" do
template = Tilt::NokogiriTemplate.new { "xml.em('Hey ' + name + '!')" }
doc = Nokogiri.XML template.render(Object.new, :name => 'Joe')
assert_equal 'Hey Joe!', doc.root.text
assert_equal 'em', doc.root.name
end
test "evaluating in an object scope" do
template = Tilt::NokogiriTemplate.new { "xml.em('Hey ' + @name + '!')" }
scope = Object.new
scope.instance_variable_set :@name, 'Joe'
doc = Nokogiri.XML template.render(scope)
assert_equal 'Hey Joe!', doc.root.text
assert_equal 'em', doc.root.name
end
test "passing a block for yield" do
template = Tilt::NokogiriTemplate.new { "xml.em('Hey ' + yield + '!')" }
3.times do
doc = Nokogiri.XML template.render { 'Joe' }
assert_equal 'Hey Joe!', doc.root.text
assert_equal 'em', doc.root.name
end
end
test "block style templates" do
template =
Tilt::NokogiriTemplate.new do |t|
lambda { |xml| xml.em('Hey Joe!') }
end
doc = Nokogiri.XML template.render
assert_equal 'Hey Joe!', doc.root.text
assert_equal 'em', doc.root.name
end
test "allows nesting raw XML, API-compatible to Builder" do
subtemplate = Tilt::NokogiriTemplate.new { "xml.em 'Hello World!'" }
template = Tilt::NokogiriTemplate.new { "xml.strong { xml << yield }" }
3.times do
options = { :xml => Nokogiri::XML::Builder.new }
doc = Nokogiri.XML(template.render(options) { subtemplate.render(options) })
assert_equal 'Hello World!', doc.root.text.strip
assert_equal 'strong', doc.root.name
end
end
test "doesn't modify self when template is a string" do
template = Tilt::NokogiriTemplate.new { "xml.root { xml.child @hello }" }
scope = Object.new
scope.instance_variable_set(:@hello, "Hello World!")
3.times do
doc = Nokogiri.XML(template.render(scope))
assert_equal "Hello World!", doc.text.strip
end
end
end
rescue LoadError
warn "Tilt::NokogiriTemplate (disabled)"
end
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