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# Copyright (c) 2006 Assaf Arkin (http://labnotes.org)
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# Under MIT and/or CC By license.
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require 'abstract_unit'
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require 'controller/fake_controllers'
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unless defined?(ActionMailer)
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$:.unshift("#{File.dirname(__FILE__)}/../../../actionmailer/lib")
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require 'action_mailer'
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raise unless e.message =~ /action_mailer/
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ActionMailer::Base.template_root = FIXTURE_LOAD_PATH
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class AssertSelectTest < ActionController::TestCase
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Assertion = ActiveSupport::TestCase::Assertion
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class AssertSelectMailer < ActionMailer::Base
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recipients "test <test@test.host>"
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part :content_type=>"text/html", :body=>html
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class AssertSelectController < ActionController::Base
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def response_with=(content)
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def response_with(&block)
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render :text=>@content, :layout=>false, :content_type=>Mime::HTML
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render :update do |page|
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render :text=>@content, :layout=>false, :content_type=>Mime::XML
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tests AssertSelectController
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ActionMailer::Base.delivery_method = :test
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ActionMailer::Base.perform_deliveries = true
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ActionMailer::Base.deliveries = []
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ActionMailer::Base.deliveries.clear
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def assert_failure(message, &block)
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e = assert_raise(Assertion, &block)
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assert_match(message, e.message) if Regexp === message
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assert_equal(message, e.message) if String === message
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def test_assert_select
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render_html %Q{<div id="1"></div><div id="2"></div>}
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assert_select "div", 2
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assert_failure(/Expected at least 3 elements matching \"div\", found 2/) { assert_select "div", 3 }
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assert_failure(/Expected at least 1 element matching \"p\", found 0/) { assert_select "p" }
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def test_equality_true_false
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render_html %Q{<div id="1"></div><div id="2"></div>}
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assert_nothing_raised { assert_select "div" }
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assert_raise(Assertion) { assert_select "p" }
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assert_nothing_raised { assert_select "div", true }
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assert_raise(Assertion) { assert_select "p", true }
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assert_raise(Assertion) { assert_select "div", false }
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assert_nothing_raised { assert_select "p", false }
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def test_equality_string_and_regexp
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render_html %Q{<div id="1">foo</div><div id="2">foo</div>}
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assert_nothing_raised { assert_select "div", "foo" }
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assert_raise(Assertion) { assert_select "div", "bar" }
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assert_nothing_raised { assert_select "div", :text=>"foo" }
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assert_raise(Assertion) { assert_select "div", :text=>"bar" }
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assert_nothing_raised { assert_select "div", /(foo|bar)/ }
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assert_raise(Assertion) { assert_select "div", /foobar/ }
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assert_nothing_raised { assert_select "div", :text=>/(foo|bar)/ }
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assert_raise(Assertion) { assert_select "div", :text=>/foobar/ }
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assert_raise(Assertion) { assert_select "p", :text=>/foobar/ }
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def test_equality_of_html
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render_html %Q{<p>\n<em>"This is <strong>not</strong> a big problem,"</em> he said.\n</p>}
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text = "\"This is not a big problem,\" he said."
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html = "<em>\"This is <strong>not</strong> a big problem,\"</em> he said."
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assert_nothing_raised { assert_select "p", text }
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assert_raise(Assertion) { assert_select "p", html }
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assert_nothing_raised { assert_select "p", :html=>html }
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assert_raise(Assertion) { assert_select "p", :html=>text }
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# No stripping for pre.
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render_html %Q{<pre>\n<em>"This is <strong>not</strong> a big problem,"</em> he said.\n</pre>}
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text = "\n\"This is not a big problem,\" he said.\n"
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html = "\n<em>\"This is <strong>not</strong> a big problem,\"</em> he said.\n"
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assert_nothing_raised { assert_select "pre", text }
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assert_raise(Assertion) { assert_select "pre", html }
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assert_nothing_raised { assert_select "pre", :html=>html }
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assert_raise(Assertion) { assert_select "pre", :html=>text }
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render_html %Q{<div id="1">foo</div><div id="2">foo</div>}
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assert_nothing_raised { assert_select "div", 2 }
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assert_failure(/Expected at least 3 elements matching \"div\", found 2/) do
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assert_select "div", 3
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assert_nothing_raised { assert_select "div", 1..2 }
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assert_failure(/Expected between 3 and 4 elements matching \"div\", found 2/) do
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assert_select "div", 3..4
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assert_nothing_raised { assert_select "div", :count=>2 }
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assert_failure(/Expected at least 3 elements matching \"div\", found 2/) do
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assert_select "div", :count=>3
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assert_nothing_raised { assert_select "div", :minimum=>1 }
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assert_nothing_raised { assert_select "div", :minimum=>2 }
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assert_failure(/Expected at least 3 elements matching \"div\", found 2/) do
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assert_select "div", :minimum=>3
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assert_nothing_raised { assert_select "div", :maximum=>2 }
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assert_nothing_raised { assert_select "div", :maximum=>3 }
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assert_failure(/Expected at most 1 element matching \"div\", found 2/) do
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assert_select "div", :maximum=>1
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assert_nothing_raised { assert_select "div", :minimum=>1, :maximum=>2 }
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assert_failure(/Expected between 3 and 4 elements matching \"div\", found 2/) do
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assert_select "div", :minimum=>3, :maximum=>4
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def test_substitution_values
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render_html %Q{<div id="1">foo</div><div id="2">foo</div>}
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assert_select "div#?", /\d+/ do |elements|
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assert_equal 2, elements.size
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assert_select "div" do
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assert_select "div#?", /\d+/ do |elements|
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assert_equal 2, elements.size
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def test_nested_assert_select
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render_html %Q{<div id="1">foo</div><div id="2">foo</div>}
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assert_select "div" do |elements|
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assert_equal 2, elements.size
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assert_select elements[0], "#1"
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assert_select elements[1], "#2"
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assert_select "div" do
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assert_select "div" do |elements|
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assert_equal 2, elements.size
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# Testing in a group is one thing
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assert_select "#1,#2"
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# Testing individually is another.
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assert_select "#3", false
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assert_failure(/Expected at least 1 element matching \"#4\", found 0\./) do
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assert_select "div" do
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def test_assert_select_text_match
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render_html %Q{<div id="1"><span>foo</span></div><div id="2"><span>bar</span></div>}
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assert_select "div" do
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assert_nothing_raised { assert_select "div", "foo" }
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assert_nothing_raised { assert_select "div", "bar" }
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assert_nothing_raised { assert_select "div", /\w*/ }
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assert_nothing_raised { assert_select "div", /\w*/, :count=>2 }
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assert_raise(Assertion) { assert_select "div", :text=>"foo", :count=>2 }
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assert_nothing_raised { assert_select "div", :html=>"<span>bar</span>" }
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assert_nothing_raised { assert_select "div", :html=>"<span>bar</span>" }
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assert_nothing_raised { assert_select "div", :html=>/\w*/ }
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assert_nothing_raised { assert_select "div", :html=>/\w*/, :count=>2 }
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assert_raise(Assertion) { assert_select "div", :html=>"<span>foo</span>", :count=>2 }
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# With single result.
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def test_assert_select_from_rjs_with_single_result
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page.replace_html "test", "<div id=\"1\">foo</div>\n<div id=\"2\">foo</div>"
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assert_select "div" do |elements|
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assert elements.size == 2
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assert_select "div#?", /\d+/ do |elements|
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# With multiple results.
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def test_assert_select_from_rjs_with_multiple_results
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page.replace_html "test", "<div id=\"1\">foo</div>"
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page.replace_html "test2", "<div id=\"2\">foo</div>"
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assert_select "div" do |elements|
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assert elements.size == 2
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def test_assert_select_rjs_for_positioned_insert_should_fail_when_mixing_arguments
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page.insert_html :top, "test1", "<div id=\"1\">foo</div>"
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page.insert_html :bottom, "test2", "<div id=\"2\">foo</div>"
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assert_raise(Assertion) {assert_select_rjs :insert, :top, "test2"}
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def test_elect_with_xml_namespace_attributes
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render_html %Q{<link xlink:href="http://nowhere.com"></link>}
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assert_nothing_raised { assert_select "link[xlink:href=http://nowhere.com]" }
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render_html %Q{<div id="1"></div><div id="2"></div>}
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assert 2, css_select("div").size
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assert 0, css_select("p").size
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def test_nested_css_select
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render_html %Q{<div id="1">foo</div><div id="2">foo</div>}
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assert_select "div#?", /\d+/ do |elements|
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assert_equal 1, css_select(elements[0], "div").size
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assert_equal 1, css_select(elements[1], "div").size
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assert_select "div" do
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assert_equal 2, css_select("div").size
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css_select("div").each do |element|
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# Testing as a group is one thing
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assert !css_select("#1,#2").empty?
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# Testing individually is another
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assert !css_select("#1").empty?
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assert !css_select("#2").empty?
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def test_css_select_from_rjs_with_single_result
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page.replace_html "test", "<div id=\"1\">foo</div>\n<div id=\"2\">foo</div>"
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assert_equal 2, css_select("div").size
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assert_equal 1, css_select("#1").size
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assert_equal 1, css_select("#2").size
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# With multiple results.
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def test_css_select_from_rjs_with_multiple_results
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page.replace_html "test", "<div id=\"1\">foo</div>"
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page.replace_html "test2", "<div id=\"2\">foo</div>"
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assert_equal 2, css_select("div").size
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assert_equal 1, css_select("#1").size
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assert_equal 1, css_select("#2").size
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# Test assert_select_rjs.
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# Test that we can pick up all statements in the result.
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def test_assert_select_rjs_picks_up_all_statements
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page.replace "test", "<div id=\"1\">foo</div>"
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page.replace_html "test2", "<div id=\"2\">foo</div>"
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page.insert_html :top, "test3", "<div id=\"3\">foo</div>"
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# Test that we fail if there is nothing to pick.
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def test_assert_select_rjs_fails_if_nothing_to_pick
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assert_raise(Assertion) { assert_select_rjs }
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def test_assert_select_rjs_with_unicode
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# Test that non-ascii characters (which are converted into \uXXXX in RJS) are decoded correctly.
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page.replace "test", "<div id=\"1\">\343\203\201\343\202\261\343\203\203\343\203\210</div>"
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assert_select str, :text => "\343\203\201\343\202\261\343\203\203\343\203\210"
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assert_select str, "\343\203\201\343\202\261\343\203\203\343\203\210"
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if str.respond_to?(:force_encoding)
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str.force_encoding(Encoding::UTF_8)
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assert_select str, /\343\203\201..\343\203\210/u
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assert_raise(Assertion) { assert_select str, /\343\203\201.\343\203\210/u }
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assert_select str, Regexp.new("\343\203\201..\343\203\210",0,'U')
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assert_raise(Assertion) { assert_select str, Regexp.new("\343\203\201.\343\203\210",0,'U') }
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def test_assert_select_rjs_with_id
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# Test that we can pick up all statements in the result.
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page.replace "test1", "<div id=\"1\">foo</div>"
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page.replace_html "test2", "<div id=\"2\">foo</div>"
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page.insert_html :top, "test3", "<div id=\"3\">foo</div>"
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assert_select_rjs "test1" do
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assert_select "div", 1
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assert_select_rjs "test2" do
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assert_select "div", 1
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assert_select_rjs "test3" do
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assert_select "div", 1
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assert_raise(Assertion) { assert_select_rjs "test4" }
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def test_assert_select_rjs_for_replace
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page.replace "test1", "<div id=\"1\">foo</div>"
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page.replace_html "test2", "<div id=\"2\">foo</div>"
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page.insert_html :top, "test3", "<div id=\"3\">foo</div>"
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assert_select_rjs :replace do
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assert_select "div", 1
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assert_select_rjs :replace, "test1" do
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assert_select "div", 1
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assert_raise(Assertion) { assert_select_rjs :replace, "test2" }
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assert_select_rjs :replace_html do
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assert_select "div", 1
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assert_select_rjs :replace_html, "test2" do
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assert_select "div", 1
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assert_raise(Assertion) { assert_select_rjs :replace_html, "test1" }
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def test_assert_select_rjs_for_chained_replace
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page['test1'].replace "<div id=\"1\">foo</div>"
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page['test2'].replace_html "<div id=\"2\">foo</div>"
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page.insert_html :top, "test3", "<div id=\"3\">foo</div>"
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assert_select_rjs :chained_replace do
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assert_select "div", 1
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assert_select_rjs :chained_replace, "test1" do
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assert_select "div", 1
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assert_raise(Assertion) { assert_select_rjs :chained_replace, "test2" }
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assert_select_rjs :chained_replace_html do
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assert_select "div", 1
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assert_select_rjs :chained_replace_html, "test2" do
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assert_select "div", 1
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assert_raise(Assertion) { assert_select_rjs :replace_html, "test1" }
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def test_assert_select_rjs_for_remove
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assert_select_rjs :remove, "test1"
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def test_assert_select_rjs_for_remove_offers_useful_error_when_assertion_fails
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page.remove "test_with_typo"
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assert_select_rjs :remove, "test1"
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assert_equal "No RJS statement that removes 'test1' was rendered.", $!.message
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def test_assert_select_rjs_for_remove_ignores_block
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assert_nothing_raised do
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assert_select_rjs :remove, "test1" do
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def test_assert_select_rjs_for_show
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assert_select_rjs :show, "test1"
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def test_assert_select_rjs_for_show_offers_useful_error_when_assertion_fails
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page.show "test_with_typo"
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assert_select_rjs :show, "test1"
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assert_equal "No RJS statement that shows 'test1' was rendered.", $!.message
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def test_assert_select_rjs_for_show_ignores_block
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assert_nothing_raised do
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assert_select_rjs :show, "test1" do
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def test_assert_select_rjs_for_hide
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assert_select_rjs :hide, "test1"
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def test_assert_select_rjs_for_hide_offers_useful_error_when_assertion_fails
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page.hide "test_with_typo"
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assert_select_rjs :hide, "test1"
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assert_equal "No RJS statement that hides 'test1' was rendered.", $!.message
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def test_assert_select_rjs_for_hide_ignores_block
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assert_nothing_raised do
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assert_select_rjs :hide, "test1" do
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def test_assert_select_rjs_for_toggle
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assert_select_rjs :toggle, "test1"
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def test_assert_select_rjs_for_toggle_offers_useful_error_when_assertion_fails
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page.toggle "test_with_typo"
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assert_select_rjs :toggle, "test1"
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assert_equal "No RJS statement that toggles 'test1' was rendered.", $!.message
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def test_assert_select_rjs_for_toggle_ignores_block
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assert_nothing_raised do
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assert_select_rjs :toggle, "test1" do
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# Non-positioned insert.
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def test_assert_select_rjs_for_nonpositioned_insert
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page.replace "test1", "<div id=\"1\">foo</div>"
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page.replace_html "test2", "<div id=\"2\">foo</div>"
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page.insert_html :top, "test3", "<div id=\"3\">foo</div>"
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assert_select_rjs :insert_html do
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assert_select "div", 1
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assert_select_rjs :insert_html, "test3" do
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assert_select "div", 1
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assert_raise(Assertion) { assert_select_rjs :insert_html, "test1" }
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def test_assert_select_rjs_for_positioned_insert
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page.insert_html :top, "test1", "<div id=\"1\">foo</div>"
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page.insert_html :bottom, "test2", "<div id=\"2\">foo</div>"
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page.insert_html :before, "test3", "<div id=\"3\">foo</div>"
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page.insert_html :after, "test4", "<div id=\"4\">foo</div>"
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assert_select_rjs :insert, :top do
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assert_select "div", 1
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assert_select_rjs :insert, :bottom do
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assert_select "div", 1
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assert_select_rjs :insert, :before do
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assert_select "div", 1
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assert_select_rjs :insert, :after do
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assert_select "div", 1
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assert_select_rjs :insert_html do
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assert_select "div", 4
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def test_assert_select_rjs_raise_errors
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assert_raise(ArgumentError) { assert_select_rjs(:destroy) }
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assert_raise(ArgumentError) { assert_select_rjs(:insert, :left) }
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# Simple selection from a single result.
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def test_nested_assert_select_rjs_with_single_result
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page.replace_html "test", "<div id=\"1\">foo</div>\n<div id=\"2\">foo</div>"
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assert_select_rjs "test" do |elements|
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assert_equal 2, elements.size
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# Deal with two results.
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def test_nested_assert_select_rjs_with_two_results
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page.replace_html "test", "<div id=\"1\">foo</div>"
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page.replace_html "test2", "<div id=\"2\">foo</div>"
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assert_select_rjs "test" do |elements|
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assert_equal 1, elements.size
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assert_select_rjs "test2" do |elements|
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assert_equal 1, elements.size
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def test_feed_item_encoded
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assert_select "channel item description" do
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# Test element regardless of wrapper.
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assert_select_encoded do
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assert_select "p", :count=>2, :text=>/Test/
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# Test through encoded wrapper.
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assert_select_encoded do
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assert_select "encoded p", :count=>2, :text=>/Test/
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# Use :root instead (recommended)
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assert_select_encoded do
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assert_select ":root p", :count=>2, :text=>/Test/
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assert_select "description" do |elements|
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assert_select_encoded elements[0] do
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assert_select "p", "Test 1"
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assert_select_encoded elements[1] do
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assert_select "p", "Test 2"
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# Test that we only un-encode element itself.
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assert_select "channel item" do
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assert_select_encoded do
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# Test assert_select_email
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def test_assert_select_email
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assert_raise(Assertion) { assert_select_email {} }
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AssertSelectMailer.deliver_test "<div><p>foo</p><p>bar</p></div>"
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assert_select_email do
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assert_select "div:root" do
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assert_select "p:first-child", "foo"
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assert_select "p:last-child", "bar"
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def render_html(html)
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@controller.response_with = html
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def render_rjs(&block)
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@controller.response_with &block
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@controller.response_with = xml