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-rw-r--r--actionpack/test/controller/selector_test.rb629
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diff --git a/actionpack/test/controller/selector_test.rb b/actionpack/test/controller/selector_test.rb
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--- a/actionpack/test/controller/selector_test.rb
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@@ -1,629 +0,0 @@
-#--
-# Copyright (c) 2006 Assaf Arkin (http://labnotes.org)
-# Under MIT and/or CC By license.
-#++
-
-require 'abstract_unit'
-require 'controller/fake_controllers'
-require 'action_view/vendor/html-scanner'
-
-class SelectorTest < ActiveSupport::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 element with attribute value.
- select("*[title=foo]")
- assert_equal 1, @matches.size
- assert_equal "3", @matches[0].attributes["id"]
- # Match element 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 challenge.
- 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_raise(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_only_child_and_only_type_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_raise(ArgumentError) { select(":not(") }
- assert_raise(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
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