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-rw-r--r--actionpack/test/controller/assert_select_test.rb490
-rw-r--r--actionpack/test/controller/selector_test.rb628
2 files changed, 1118 insertions, 0 deletions
diff --git a/actionpack/test/controller/assert_select_test.rb b/actionpack/test/controller/assert_select_test.rb
new file mode 100644
index 0000000000..2117c852c0
--- /dev/null
+++ b/actionpack/test/controller/assert_select_test.rb
@@ -0,0 +1,490 @@
+#--
+# Copyright (c) 2006 Assaf Arkin (http://labnotes.org)
+# Under MIT and/or CC By license.
+#++
+
+require File.dirname(__FILE__) + '/../abstract_unit'
+require File.dirname(__FILE__) + '/fake_controllers'
+require "action_mailer"
+
+class AssertSelectTest < Test::Unit::TestCase
+ class AssertSelectController < ActionController::Base
+ def response_with=(content)
+ @content = content
+ end
+
+ def response_with(&block)
+ @update = block
+ end
+
+ def html()
+ render :text=>@content, :layout=>false, :content_type=>Mime::HTML
+ @content = nil
+ end
+
+ def rjs()
+ render :update do |page|
+ @update.call page
+ end
+ @update = nil
+ end
+
+ def xml()
+ render :text=>@content, :layout=>false, :content_type=>Mime::XML
+ @content = nil
+ end
+
+ def rescue_action(e)
+ raise e
+ end
+ end
+
+ class AssertSelectMailer < ActionMailer::Base
+ def test(html)
+ recipients "test <test@test.host>"
+ from "test@test.host"
+ subject "Test e-mail"
+ part :content_type=>"text/html", :body=>html
+ end
+ end
+
+ AssertionFailedError = Test::Unit::AssertionFailedError
+
+ def setup
+ @controller = AssertSelectController.new
+ @request = ActionController::TestRequest.new
+ @response = ActionController::TestResponse.new
+ ActionMailer::Base.delivery_method = :test
+ ActionMailer::Base.perform_deliveries = true
+ ActionMailer::Base.deliveries = []
+ end
+
+
+ def teardown
+ ActionMailer::Base.deliveries.clear
+ end
+
+
+ #
+ # Test assert select.
+ #
+
+ def test_assert_select
+ render_html %Q{<div id="1"></div><div id="2"></div>}
+ assert_select "div", 2
+ assert_raises(AssertionFailedError) { assert_select "div", 3 }
+ assert_raises(AssertionFailedError){ assert_select "p" }
+ end
+
+
+ def test_equality_true_false
+ render_html %Q{<div id="1"></div><div id="2"></div>}
+ assert_nothing_raised { assert_select "div" }
+ assert_raises(AssertionFailedError) { assert_select "p" }
+ assert_nothing_raised { assert_select "div", true }
+ assert_raises(AssertionFailedError) { assert_select "p", true }
+ assert_raises(AssertionFailedError) { assert_select "div", false }
+ assert_nothing_raised { assert_select "p", false }
+ end
+
+
+ def test_equality_string_and_regexp
+ render_html %Q{<div id="1">foo</div><div id="2">foo</div>}
+ assert_nothing_raised { assert_select "div", "foo" }
+ assert_raises(AssertionFailedError) { assert_select "div", "bar" }
+ assert_nothing_raised { assert_select "div", :text=>"foo" }
+ assert_raises(AssertionFailedError) { assert_select "div", :text=>"bar" }
+ assert_nothing_raised { assert_select "div", /(foo|bar)/ }
+ assert_raises(AssertionFailedError) { assert_select "div", /foobar/ }
+ assert_nothing_raised { assert_select "div", :text=>/(foo|bar)/ }
+ assert_raises(AssertionFailedError) { assert_select "div", :text=>/foobar/ }
+ assert_raises(AssertionFailedError) { assert_select "p", :text=>/foobar/ }
+ end
+
+
+ def test_equality_of_html
+ render_html %Q{<p>\n<em>"This is <strong>not</strong> a big problem,"</em> he said.\n</p>}
+ text = "\"This is not a big problem,\" he said."
+ html = "<em>\"This is <strong>not</strong> a big problem,\"</em> he said."
+ assert_nothing_raised { assert_select "p", text }
+ assert_raises(AssertionFailedError) { assert_select "p", html }
+ assert_nothing_raised { assert_select "p", :html=>html }
+ assert_raises(AssertionFailedError) { assert_select "p", :html=>text }
+ # No stripping for pre.
+ render_html %Q{<pre>\n<em>"This is <strong>not</strong> a big problem,"</em> he said.\n</pre>}
+ text = "\n\"This is not a big problem,\" he said.\n"
+ html = "\n<em>\"This is <strong>not</strong> a big problem,\"</em> he said.\n"
+ assert_nothing_raised { assert_select "pre", text }
+ assert_raises(AssertionFailedError) { assert_select "pre", html }
+ assert_nothing_raised { assert_select "pre", :html=>html }
+ assert_raises(AssertionFailedError) { assert_select "pre", :html=>text }
+ end
+
+
+ def test_equality_of_instances
+ render_html %Q{<div id="1">foo</div><div id="2">foo</div>}
+ assert_nothing_raised { assert_select "div", 2 }
+ assert_raises(AssertionFailedError) { assert_select "div", 3 }
+ assert_nothing_raised { assert_select "div", 1..2 }
+ assert_raises(AssertionFailedError) { assert_select "div", 3..4 }
+ assert_nothing_raised { assert_select "div", :count=>2 }
+ assert_raises(AssertionFailedError) { assert_select "div", :count=>3 }
+ assert_nothing_raised { assert_select "div", :minimum=>1 }
+ assert_nothing_raised { assert_select "div", :minimum=>2 }
+ assert_raises(AssertionFailedError) { assert_select "div", :minimum=>3 }
+ assert_nothing_raised { assert_select "div", :maximum=>2 }
+ assert_nothing_raised { assert_select "div", :maximum=>3 }
+ assert_raises(AssertionFailedError) { assert_select "div", :maximum=>1 }
+ assert_nothing_raised { assert_select "div", :minimum=>1, :maximum=>2 }
+ assert_raises(AssertionFailedError) { assert_select "div", :minimum=>3, :maximum=>4 }
+ end
+
+
+ def test_substitution_values
+ render_html %Q{<div id="1">foo</div><div id="2">foo</div>}
+ assert_select "div#?", /\d+/ do |elements|
+ assert_equal 2, elements.size
+ end
+ assert_select "div" do
+ assert_select "div#?", /\d+/ do |elements|
+ assert_equal 2, elements.size
+ assert_select "#1"
+ assert_select "#2"
+ end
+ end
+ end
+
+
+ def test_nested_assert_select
+ render_html %Q{<div id="1">foo</div><div id="2">foo</div>}
+ assert_select "div" do |elements|
+ assert_equal 2, elements.size
+ assert_select elements[0], "#1"
+ assert_select elements[1], "#2"
+ end
+ assert_select "div" do
+ assert_select "div" do |elements|
+ assert_equal 2, elements.size
+ # Testing in a group is one thing
+ assert_select "#1,#2"
+ # Testing individually is another.
+ assert_select "#1"
+ assert_select "#2"
+ assert_select "#3", false
+ end
+ end
+ end
+
+
+ def test_assert_select_from_rjs
+ render_rjs do |page|
+ page.replace_html "test", "<div id=\"1\">foo</div>\n<div id=\"2\">foo</div>"
+ end
+ assert_select "div" do |elements|
+ assert elements.size == 2
+ assert_select "#1"
+ assert_select "#2"
+ end
+ assert_select "div#?", /\d+/ do |elements|
+ assert_select "#1"
+ assert_select "#2"
+ end
+ # With multiple results.
+ render_rjs do |page|
+ page.replace_html "test", "<div id=\"1\">foo</div>"
+ page.replace_html "test2", "<div id=\"2\">foo</div>"
+ end
+ assert_select "div" do |elements|
+ assert elements.size == 2
+ assert_select "#1"
+ assert_select "#2"
+ end
+ end
+
+
+ #
+ # Test css_select.
+ #
+
+
+ def test_css_select
+ render_html %Q{<div id="1"></div><div id="2"></div>}
+ assert 2, css_select("div").size
+ assert 0, css_select("p").size
+ end
+
+
+ def test_nested_css_select
+ render_html %Q{<div id="1">foo</div><div id="2">foo</div>}
+ assert_select "div#?", /\d+/ do |elements|
+ assert_equal 1, css_select(elements[0], "div").size
+ assert_equal 1, css_select(elements[1], "div").size
+ end
+ assert_select "div" do
+ assert_equal 2, css_select("div").size
+ css_select("div").each do |element|
+ # Testing as a group is one thing
+ assert !css_select("#1,#2").empty?
+ # Testing individually is another
+ assert !css_select("#1").empty?
+ assert !css_select("#2").empty?
+ end
+ end
+ end
+
+
+ def test_css_select_from_rjs
+ # With one result.
+ render_rjs do |page|
+ page.replace_html "test", "<div id=\"1\">foo</div>\n<div id=\"2\">foo</div>"
+ end
+ assert_equal 2, css_select("div").size
+ assert_equal 1, css_select("#1").size
+ assert_equal 1, css_select("#2").size
+ # With multiple results.
+ render_rjs do |page|
+ page.replace_html "test", "<div id=\"1\">foo</div>"
+ page.replace_html "test2", "<div id=\"2\">foo</div>"
+ end
+ assert_equal 2, css_select("div").size
+ assert_equal 1, css_select("#1").size
+ assert_equal 1, css_select("#2").size
+ end
+
+
+ #
+ # Test assert_select_rjs.
+ #
+
+
+ def test_assert_select_rjs
+ # Test that we can pick up all statements in the result.
+ render_rjs do |page|
+ page.replace "test", "<div id=\"1\">foo</div>"
+ page.replace_html "test2", "<div id=\"2\">foo</div>"
+ page.insert_html :top, "test3", "<div id=\"3\">foo</div>"
+ end
+ found = false
+ assert_select_rjs do
+ assert_select "#1"
+ assert_select "#2"
+ assert_select "#3"
+ found = true
+ end
+ assert found
+ # Test that we fail if there is nothing to pick.
+ render_rjs do |page|
+ end
+ assert_raises(AssertionFailedError) { assert_select_rjs }
+ end
+
+
+ def test_assert_select_rjs_with_id
+ # Test that we can pick up all statements in the result.
+ render_rjs do |page|
+ page.replace "test1", "<div id=\"1\">foo</div>"
+ page.replace_html "test2", "<div id=\"2\">foo</div>"
+ page.insert_html :top, "test3", "<div id=\"3\">foo</div>"
+ end
+ assert_select_rjs "test1" do
+ assert_select "div", 1
+ assert_select "#1"
+ end
+ assert_select_rjs "test2" do
+ assert_select "div", 1
+ assert_select "#2"
+ end
+ assert_select_rjs "test3" do
+ assert_select "div", 1
+ assert_select "#3"
+ end
+ assert_raises(AssertionFailedError) { assert_select_rjs "test4" }
+ end
+
+
+ def test_assert_select_rjs_for_replace
+ render_rjs do |page|
+ page.replace "test1", "<div id=\"1\">foo</div>"
+ page.replace_html "test2", "<div id=\"2\">foo</div>"
+ page.insert_html :top, "test3", "<div id=\"3\">foo</div>"
+ end
+ # Replace.
+ assert_select_rjs :replace do
+ assert_select "div", 1
+ assert_select "#1"
+ end
+ assert_select_rjs :replace, "test1" do
+ assert_select "div", 1
+ assert_select "#1"
+ end
+ assert_raises(AssertionFailedError) { assert_select_rjs :replace, "test2" }
+ # Replace HTML.
+ assert_select_rjs :replace_html do
+ assert_select "div", 1
+ assert_select "#2"
+ end
+ assert_select_rjs :replace_html, "test2" do
+ assert_select "div", 1
+ assert_select "#2"
+ end
+ assert_raises(AssertionFailedError) { assert_select_rjs :replace_html, "test1" }
+ end
+
+
+ def test_assert_select_rjs_for_insert
+ render_rjs do |page|
+ page.replace "test1", "<div id=\"1\">foo</div>"
+ page.replace_html "test2", "<div id=\"2\">foo</div>"
+ page.insert_html :top, "test3", "<div id=\"3\">foo</div>"
+ end
+ # Non-positioned.
+ assert_select_rjs :insert_html do
+ assert_select "div", 1
+ assert_select "#3"
+ end
+ assert_select_rjs :insert_html, "test3" do
+ assert_select "div", 1
+ assert_select "#3"
+ end
+ assert_raises(AssertionFailedError) { assert_select_rjs :insert_html, "test1" }
+ # Positioned.
+ render_rjs do |page|
+ page.insert_html :top, "test1", "<div id=\"1\">foo</div>"
+ page.insert_html :bottom, "test2", "<div id=\"2\">foo</div>"
+ page.insert_html :before, "test3", "<div id=\"3\">foo</div>"
+ page.insert_html :after, "test4", "<div id=\"4\">foo</div>"
+ end
+ assert_select_rjs :insert, :top do
+ assert_select "div", 1
+ assert_select "#1"
+ end
+ assert_select_rjs :insert, :bottom do
+ assert_select "div", 1
+ assert_select "#2"
+ end
+ assert_select_rjs :insert, :before do
+ assert_select "div", 1
+ assert_select "#3"
+ end
+ assert_select_rjs :insert, :after do
+ assert_select "div", 1
+ assert_select "#4"
+ end
+ assert_select_rjs :insert_html do
+ assert_select "div", 4
+ end
+ end
+
+
+ def test_nested_assert_select_rjs
+ # Simple selection from a single result.
+ render_rjs do |page|
+ page.replace_html "test", "<div id=\"1\">foo</div>\n<div id=\"2\">foo</div>"
+ end
+ assert_select_rjs "test" do |elements|
+ assert_equal 2, elements.size
+ assert_select "#1"
+ assert_select "#2"
+ end
+ # Deal with two results.
+ render_rjs do |page|
+ page.replace_html "test", "<div id=\"1\">foo</div>"
+ page.replace_html "test2", "<div id=\"2\">foo</div>"
+ end
+ assert_select_rjs "test" do |elements|
+ assert_equal 1, elements.size
+ assert_select "#1"
+ end
+ assert_select_rjs "test2" do |elements|
+ assert_equal 1, elements.size
+ assert_select "#2"
+ end
+ end
+
+
+ def test_feed_item_encoded
+ render_xml <<-EOF
+<rss version="2.0">
+ <channel>
+ <item>
+ <description>
+ <![CDATA[
+ <p>Test 1</p>
+ ]]>
+ </description>
+ </item>
+ <item>
+ <description>
+ <![CDATA[
+ <p>Test 2</p>
+ ]]>
+ </description>
+ </item>
+ </channel>
+</rss>
+EOF
+ assert_select "channel item description" do
+ # Test element regardless of wrapper.
+ assert_select_encoded do
+ assert_select "p", :count=>2, :text=>/Test/
+ end
+ # Test through encoded wrapper.
+ assert_select_encoded do
+ assert_select "encoded p", :count=>2, :text=>/Test/
+ end
+ # Use :root instead (recommended)
+ assert_select_encoded do
+ assert_select ":root p", :count=>2, :text=>/Test/
+ end
+ # Test individually.
+ assert_select "description" do |elements|
+ assert_select_encoded elements[0] do
+ assert_select "p", "Test 1"
+ end
+ assert_select_encoded elements[1] do
+ assert_select "p", "Test 2"
+ end
+ end
+ end
+
+ # Test that we only un-encode element itself.
+ assert_select "channel item" do
+ assert_select_encoded do
+ assert_select "p", 0
+ end
+ end
+ end
+
+
+ #
+ # Test assert_select_email
+ #
+
+ def test_assert_select_email
+ assert_raises(AssertionFailedError) { assert_select_email {} }
+ AssertSelectMailer.deliver_test "<div><p>foo</p><p>bar</p></div>"
+ assert_select_email do
+ assert_select "div:root" do
+ assert_select "p:first-child", "foo"
+ assert_select "p:last-child", "bar"
+ end
+ end
+ end
+
+
+ protected
+ def render_html(html)
+ @controller.response_with = html
+ get :html
+ end
+
+ def render_rjs(&block)
+ @controller.response_with &block
+ get :rjs
+ end
+
+ def render_xml(xml)
+ @controller.response_with = xml
+ get :xml
+ end
+end \ No newline at end of file
diff --git a/actionpack/test/controller/selector_test.rb b/actionpack/test/controller/selector_test.rb
new file mode 100644
index 0000000000..d004290097
--- /dev/null
+++ b/actionpack/test/controller/selector_test.rb
@@ -0,0 +1,628 @@
+#--
+# Copyright (c) 2006 Assaf Arkin (http://labnotes.org)
+# Under MIT and/or CC By license.
+#++
+
+require File.dirname(__FILE__) + '/../abstract_unit'
+require File.dirname(__FILE__) + '/fake_controllers'
+
+class SelectorTest < Test::Unit::TestCase
+ #
+ # Basic selector: element, id, class, attributes.
+ #
+
+ def test_element
+ parse(%Q{<div id="1"></div><p></p><div id="2"></div>})
+ # Match element by name.
+ select("div")
+ assert_equal 2, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ assert_equal "2", @matches[1].attributes["id"]
+ # Not case sensitive.
+ select("DIV")
+ assert_equal 2, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ assert_equal "2", @matches[1].attributes["id"]
+ # Universal match (all elements).
+ select("*")
+ assert_equal 3, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ assert_equal nil, @matches[1].attributes["id"]
+ assert_equal "2", @matches[2].attributes["id"]
+ end
+
+
+ def test_identifier
+ parse(%Q{<div id="1"></div><p></p><div id="2"></div>})
+ # Match element by ID.
+ select("div#1")
+ assert_equal 1, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ # Match element by ID, substitute value.
+ select("div#?", 2)
+ assert_equal 1, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ # Element name does not match ID.
+ select("p#?", 2)
+ assert_equal 0, @matches.size
+ # Use regular expression.
+ select("#?", /\d/)
+ assert_equal 2, @matches.size
+ end
+
+
+ def test_class_name
+ parse(%Q{<div id="1" class=" foo "></div><p id="2" class=" foo bar "></p><div id="3" class="bar"></div>})
+ # Match element with specified class.
+ select("div.foo")
+ assert_equal 1, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ # Match any element with specified class.
+ select("*.foo")
+ assert_equal 2, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ assert_equal "2", @matches[1].attributes["id"]
+ # Match elements with other class.
+ select("*.bar")
+ assert_equal 2, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ assert_equal "3", @matches[1].attributes["id"]
+ # Match only element with both class names.
+ select("*.bar.foo")
+ assert_equal 1, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ end
+
+
+ def test_attribute
+ parse(%Q{<div id="1"></div><p id="2" title="" bar="foo"></p><div id="3" title="foo"></div>})
+ # Match element with attribute.
+ select("div[title]")
+ assert_equal 1, @matches.size
+ assert_equal "3", @matches[0].attributes["id"]
+ # Match any element with attribute.
+ select("*[title]")
+ assert_equal 2, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ assert_equal "3", @matches[1].attributes["id"]
+ # Match alement with attribute value.
+ select("*[title=foo]")
+ assert_equal 1, @matches.size
+ assert_equal "3", @matches[0].attributes["id"]
+ # Match alement with attribute and attribute value.
+ select("[bar=foo][title]")
+ assert_equal 1, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ # Not case sensitive.
+ select("[BAR=foo][TiTle]")
+ assert_equal 1, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ end
+
+
+ def test_attribute_quoted
+ parse(%Q{<div id="1" title="foo"></div><div id="2" title="bar"></div><div id="3" title=" bar "></div>})
+ # Match without quotes.
+ select("[title = bar]")
+ assert_equal 1, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ # Match with single quotes.
+ select("[title = 'bar' ]")
+ assert_equal 1, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ # Match with double quotes.
+ select("[title = \"bar\" ]")
+ assert_equal 1, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ # Match with spaces.
+ select("[title = \" bar \" ]")
+ assert_equal 1, @matches.size
+ assert_equal "3", @matches[0].attributes["id"]
+ end
+
+
+ def test_attribute_equality
+ parse(%Q{<div id="1" title="foo bar"></div><div id="2" title="barbaz"></div>})
+ # Match (fail) complete value.
+ select("[title=bar]")
+ assert_equal 0, @matches.size
+ # Match space-separate word.
+ select("[title~=foo]")
+ assert_equal 1, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ select("[title~=bar]")
+ assert_equal 1, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ # Match beginning of value.
+ select("[title^=ba]")
+ assert_equal 1, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ # Match end of value.
+ select("[title$=ar]")
+ assert_equal 1, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ # Match text in value.
+ select("[title*=bar]")
+ assert_equal 2, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ assert_equal "2", @matches[1].attributes["id"]
+ # Match first space separated word.
+ select("[title|=foo]")
+ assert_equal 1, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ select("[title|=bar]")
+ assert_equal 0, @matches.size
+ end
+
+
+ #
+ # Selector composition: groups, sibling, children
+ #
+
+
+ def test_selector_group
+ parse(%Q{<h1 id="1"></h1><h2 id="2"></h2><h3 id="3"></h3>})
+ # Simple group selector.
+ select("h1,h3")
+ assert_equal 2, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ assert_equal "3", @matches[1].attributes["id"]
+ select("h1 , h3")
+ assert_equal 2, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ assert_equal "3", @matches[1].attributes["id"]
+ # Complex group selector.
+ parse(%Q{<h1 id="1"><a href="foo"></a></h1><h2 id="2"><a href="bar"></a></h2><h3 id="2"><a href="baz"></a></h3>})
+ select("h1 a, h3 a")
+ assert_equal 2, @matches.size
+ assert_equal "foo", @matches[0].attributes["href"]
+ assert_equal "baz", @matches[1].attributes["href"]
+ # And now for the three selector challange.
+ parse(%Q{<h1 id="1"><a href="foo"></a></h1><h2 id="2"><a href="bar"></a></h2><h3 id="2"><a href="baz"></a></h3>})
+ select("h1 a, h2 a, h3 a")
+ assert_equal 3, @matches.size
+ assert_equal "foo", @matches[0].attributes["href"]
+ assert_equal "bar", @matches[1].attributes["href"]
+ assert_equal "baz", @matches[2].attributes["href"]
+ end
+
+
+ def test_sibling_selector
+ parse(%Q{<h1 id="1"></h1><h2 id="2"></h2><h3 id="3"></h3>})
+ # Test next sibling.
+ select("h1+*")
+ assert_equal 1, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ select("h1+h2")
+ assert_equal 1, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ select("h1+h3")
+ assert_equal 0, @matches.size
+ select("*+h3")
+ assert_equal 1, @matches.size
+ assert_equal "3", @matches[0].attributes["id"]
+ # Test any sibling.
+ select("h1~*")
+ assert_equal 2, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ assert_equal "3", @matches[1].attributes["id"]
+ select("h2~*")
+ assert_equal 1, @matches.size
+ assert_equal "3", @matches[0].attributes["id"]
+ end
+
+
+ def test_children_selector
+ parse(%Q{<div><p id="1"><span id="2"></span></p></div><div><p id="3"><span id="4" class="foo"></span></p></div>})
+ # Test child selector.
+ select("div>p")
+ assert_equal 2, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ assert_equal "3", @matches[1].attributes["id"]
+ select("div>span")
+ assert_equal 0, @matches.size
+ select("div>p#3")
+ assert_equal 1, @matches.size
+ assert_equal "3", @matches[0].attributes["id"]
+ select("div>p>span")
+ assert_equal 2, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ assert_equal "4", @matches[1].attributes["id"]
+ # Test descendant selector.
+ select("div p")
+ assert_equal 2, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ assert_equal "3", @matches[1].attributes["id"]
+ select("div span")
+ assert_equal 2, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ assert_equal "4", @matches[1].attributes["id"]
+ select("div *#3")
+ assert_equal 1, @matches.size
+ assert_equal "3", @matches[0].attributes["id"]
+ select("div *#4")
+ assert_equal 1, @matches.size
+ assert_equal "4", @matches[0].attributes["id"]
+ # This is here because it failed before when whitespaces
+ # were not properly stripped.
+ select("div .foo")
+ assert_equal 1, @matches.size
+ assert_equal "4", @matches[0].attributes["id"]
+ end
+
+
+ #
+ # Pseudo selectors: root, nth-child, empty, content, etc
+ #
+
+
+ def test_root_selector
+ parse(%Q{<div id="1"><div id="2"></div></div>})
+ # Can only find element if it's root.
+ select(":root")
+ assert_equal 1, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ select("#1:root")
+ assert_equal 1, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ select("#2:root")
+ assert_equal 0, @matches.size
+ # Opposite for nth-child.
+ select("#1:nth-child(1)")
+ assert_equal 0, @matches.size
+ end
+
+
+ def test_nth_child_odd_even
+ parse(%Q{<table><tr id="1"></tr><tr id="2"></tr><tr id="3"></tr><tr id="4"></tr></table>})
+ # Test odd nth children.
+ select("tr:nth-child(odd)")
+ assert_equal 2, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ assert_equal "3", @matches[1].attributes["id"]
+ # Test even nth children.
+ select("tr:nth-child(even)")
+ assert_equal 2, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ assert_equal "4", @matches[1].attributes["id"]
+ end
+
+
+ def test_nth_child_a_is_zero
+ parse(%Q{<table><tr id="1"></tr><tr id="2"></tr><tr id="3"></tr><tr id="4"></tr></table>})
+ # Test the third child.
+ select("tr:nth-child(0n+3)")
+ assert_equal 1, @matches.size
+ assert_equal "3", @matches[0].attributes["id"]
+ # Same but an can be omitted when zero.
+ select("tr:nth-child(3)")
+ assert_equal 1, @matches.size
+ assert_equal "3", @matches[0].attributes["id"]
+ # Second element (but not every second element).
+ select("tr:nth-child(0n+2)")
+ assert_equal 1, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ # Before first and past last returns nothing.:
+ assert_raises(ArgumentError) { select("tr:nth-child(-1)") }
+ select("tr:nth-child(0)")
+ assert_equal 0, @matches.size
+ select("tr:nth-child(5)")
+ assert_equal 0, @matches.size
+ end
+
+
+ def test_nth_child_a_is_one
+ parse(%Q{<table><tr id="1"></tr><tr id="2"></tr><tr id="3"></tr><tr id="4"></tr></table>})
+ # a is group of one, pick every element in group.
+ select("tr:nth-child(1n+0)")
+ assert_equal 4, @matches.size
+ # Same but a can be omitted when one.
+ select("tr:nth-child(n+0)")
+ assert_equal 4, @matches.size
+ # Same but b can be omitted when zero.
+ select("tr:nth-child(n)")
+ assert_equal 4, @matches.size
+ end
+
+
+ def test_nth_child_b_is_zero
+ parse(%Q{<table><tr id="1"></tr><tr id="2"></tr><tr id="3"></tr><tr id="4"></tr></table>})
+ # If b is zero, pick the n-th element (here each one).
+ select("tr:nth-child(n+0)")
+ assert_equal 4, @matches.size
+ # If b is zero, pick the n-th element (here every second).
+ select("tr:nth-child(2n+0)")
+ assert_equal 2, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ assert_equal "3", @matches[1].attributes["id"]
+ # If a and b are both zero, no element selected.
+ select("tr:nth-child(0n+0)")
+ assert_equal 0, @matches.size
+ select("tr:nth-child(0)")
+ assert_equal 0, @matches.size
+ end
+
+
+ def test_nth_child_a_is_negative
+ parse(%Q{<table><tr id="1"></tr><tr id="2"></tr><tr id="3"></tr><tr id="4"></tr></table>})
+ # Since a is -1, picks the first three elements.
+ select("tr:nth-child(-n+3)")
+ assert_equal 3, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ assert_equal "2", @matches[1].attributes["id"]
+ assert_equal "3", @matches[2].attributes["id"]
+ # Since a is -2, picks the first in every second of first four elements.
+ select("tr:nth-child(-2n+3)")
+ assert_equal 2, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ assert_equal "3", @matches[1].attributes["id"]
+ # Since a is -2, picks the first in every second of first three elements.
+ select("tr:nth-child(-2n+2)")
+ assert_equal 1, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ end
+
+
+ def test_nth_child_b_is_negative
+ parse(%Q{<table><tr id="1"></tr><tr id="2"></tr><tr id="3"></tr><tr id="4"></tr></table>})
+ # Select last of four.
+ select("tr:nth-child(4n-1)")
+ assert_equal 1, @matches.size
+ assert_equal "4", @matches[0].attributes["id"]
+ # Select first of four.
+ select("tr:nth-child(4n-4)")
+ assert_equal 1, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ # Select last of every second.
+ select("tr:nth-child(2n-1)")
+ assert_equal 2, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ assert_equal "4", @matches[1].attributes["id"]
+ # Select nothing since an+b always < 0
+ select("tr:nth-child(-1n-1)")
+ assert_equal 0, @matches.size
+ end
+
+
+ def test_nth_child_substitution_values
+ parse(%Q{<table><tr id="1"></tr><tr id="2"></tr><tr id="3"></tr><tr id="4"></tr></table>})
+ # Test with ?n?.
+ select("tr:nth-child(?n?)", 2, 1)
+ assert_equal 2, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ assert_equal "3", @matches[1].attributes["id"]
+ select("tr:nth-child(?n?)", 2, 2)
+ assert_equal 2, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ assert_equal "4", @matches[1].attributes["id"]
+ select("tr:nth-child(?n?)", 4, 2)
+ assert_equal 1, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ # Test with ? (b only).
+ select("tr:nth-child(?)", 3)
+ assert_equal 1, @matches.size
+ assert_equal "3", @matches[0].attributes["id"]
+ select("tr:nth-child(?)", 5)
+ assert_equal 0, @matches.size
+ end
+
+
+ def test_nth_last_child
+ parse(%Q{<table><tr id="1"></tr><tr id="2"></tr><tr id="3"></tr><tr id="4"></tr></table>})
+ # Last two elements.
+ select("tr:nth-last-child(-n+2)")
+ assert_equal 2, @matches.size
+ assert_equal "3", @matches[0].attributes["id"]
+ assert_equal "4", @matches[1].attributes["id"]
+ # All old elements counting from last one.
+ select("tr:nth-last-child(odd)")
+ assert_equal 2, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ assert_equal "4", @matches[1].attributes["id"]
+ end
+
+
+ def test_nth_of_type
+ parse(%Q{<table><thead></thead><tr id="1"></tr><tr id="2"></tr><tr id="3"></tr><tr id="4"></tr></table>})
+ # First two elements.
+ select("tr:nth-of-type(-n+2)")
+ assert_equal 2, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ assert_equal "2", @matches[1].attributes["id"]
+ # All old elements counting from last one.
+ select("tr:nth-last-of-type(odd)")
+ assert_equal 2, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ assert_equal "4", @matches[1].attributes["id"]
+ end
+
+
+ def test_first_and_last
+ parse(%Q{<table><thead></thead><tr id="1"></tr><tr id="2"></tr><tr id="3"></tr><tr id="4"></tr></table>})
+ # First child.
+ select("tr:first-child")
+ assert_equal 0, @matches.size
+ select(":first-child")
+ assert_equal 1, @matches.size
+ assert_equal "thead", @matches[0].name
+ # First of type.
+ select("tr:first-of-type")
+ assert_equal 1, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ select("thead:first-of-type")
+ assert_equal 1, @matches.size
+ assert_equal "thead", @matches[0].name
+ select("div:first-of-type")
+ assert_equal 0, @matches.size
+ # Last child.
+ select("tr:last-child")
+ assert_equal 1, @matches.size
+ assert_equal "4", @matches[0].attributes["id"]
+ # Last of type.
+ select("tr:last-of-type")
+ assert_equal 1, @matches.size
+ assert_equal "4", @matches[0].attributes["id"]
+ select("thead:last-of-type")
+ assert_equal 1, @matches.size
+ assert_equal "thead", @matches[0].name
+ select("div:last-of-type")
+ assert_equal 0, @matches.size
+ end
+
+
+ def test_first_and_last
+ # Only child.
+ parse(%Q{<table><tr></tr></table>})
+ select("table:only-child")
+ assert_equal 0, @matches.size
+ select("tr:only-child")
+ assert_equal 1, @matches.size
+ assert_equal "tr", @matches[0].name
+ parse(%Q{<table><tr></tr><tr></tr></table>})
+ select("tr:only-child")
+ assert_equal 0, @matches.size
+ # Only of type.
+ parse(%Q{<table><thead></thead><tr></tr><tr></tr></table>})
+ select("thead:only-of-type")
+ assert_equal 1, @matches.size
+ assert_equal "thead", @matches[0].name
+ select("td:only-of-type")
+ assert_equal 0, @matches.size
+ end
+
+
+ def test_empty
+ parse(%Q{<table><tr></tr></table>})
+ select("table:empty")
+ assert_equal 0, @matches.size
+ select("tr:empty")
+ assert_equal 1, @matches.size
+ parse(%Q{<div> </div>})
+ select("div:empty")
+ assert_equal 1, @matches.size
+ end
+
+
+ def test_content
+ parse(%Q{<div> </div>})
+ select("div:content()")
+ assert_equal 1, @matches.size
+ parse(%Q{<div>something </div>})
+ select("div:content()")
+ assert_equal 0, @matches.size
+ select("div:content(something)")
+ assert_equal 1, @matches.size
+ select("div:content( 'something' )")
+ assert_equal 1, @matches.size
+ select("div:content( \"something\" )")
+ assert_equal 1, @matches.size
+ select("div:content(?)", "something")
+ assert_equal 1, @matches.size
+ select("div:content(?)", /something/)
+ assert_equal 1, @matches.size
+ end
+
+
+ #
+ # Test negation.
+ #
+
+
+ def test_element_negation
+ parse(%Q{<p></p><div></div>})
+ select("*")
+ assert_equal 2, @matches.size
+ select("*:not(p)")
+ assert_equal 1, @matches.size
+ assert_equal "div", @matches[0].name
+ select("*:not(div)")
+ assert_equal 1, @matches.size
+ assert_equal "p", @matches[0].name
+ select("*:not(span)")
+ assert_equal 2, @matches.size
+ end
+
+
+ def test_id_negation
+ parse(%Q{<p id="1"></p><p id="2"></p>})
+ select("p")
+ assert_equal 2, @matches.size
+ select(":not(#1)")
+ assert_equal 1, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ select(":not(#2)")
+ assert_equal 1, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ end
+
+
+ def test_class_name_negation
+ parse(%Q{<p class="foo"></p><p class="bar"></p>})
+ select("p")
+ assert_equal 2, @matches.size
+ select(":not(.foo)")
+ assert_equal 1, @matches.size
+ assert_equal "bar", @matches[0].attributes["class"]
+ select(":not(.bar)")
+ assert_equal 1, @matches.size
+ assert_equal "foo", @matches[0].attributes["class"]
+ end
+
+
+ def test_attribute_negation
+ parse(%Q{<p title="foo"></p><p title="bar"></p>})
+ select("p")
+ assert_equal 2, @matches.size
+ select(":not([title=foo])")
+ assert_equal 1, @matches.size
+ assert_equal "bar", @matches[0].attributes["title"]
+ select(":not([title=bar])")
+ assert_equal 1, @matches.size
+ assert_equal "foo", @matches[0].attributes["title"]
+ end
+
+
+ def test_pseudo_class_negation
+ parse(%Q{<div><p id="1"></p><p id="2"></p></div>})
+ select("p")
+ assert_equal 2, @matches.size
+ select("p:not(:first-child)")
+ assert_equal 1, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ select("p:not(:nth-child(2))")
+ assert_equal 1, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ end
+
+
+ def test_negation_details
+ parse(%Q{<p id="1"></p><p id="2"></p><p id="3"></p>})
+ assert_raises(ArgumentError) { select(":not(") }
+ assert_raises(ArgumentError) { select(":not(:not())") }
+ select("p:not(#1):not(#3)")
+ assert_equal 1, @matches.size
+ assert_equal "2", @matches[0].attributes["id"]
+ end
+
+
+ def test_select_from_element
+ parse(%Q{<div><p id="1"></p><p id="2"></p></div>})
+ select("div")
+ @matches = @matches[0].select("p")
+ assert_equal 2, @matches.size
+ assert_equal "1", @matches[0].attributes["id"]
+ assert_equal "2", @matches[1].attributes["id"]
+ end
+
+
+protected
+
+ def parse(html)
+ @html = HTML::Document.new(html).root
+ end
+
+ def select(*selector)
+ @matches = HTML.selector(*selector).select(@html)
+ end
+
+end
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-19 14:43:03 +0000