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+require_relative "../rexml_test_utils"
+
+require "rexml/document"
+
+class TestXPathBase < Test::Unit::TestCase
+ include REXMLTestUtils
+ include REXML
+ SOURCE = <<-EOF
+ <a id='1'>
+ <b id='2' x='y'>
+ <c id='3'/>
+ <c id='4'/>
+ </b>
+ <d id='5'>
+ <c id='6' x='y'/>
+ <c id='7'/>
+ <c id='8'/>
+ <q id='19'/>
+ </d>
+ <e id='9'>
+ <f id='10' a='b'/>
+ <f id='11' a='c'/>
+ <f id='12' a='d'>
+ <g id='13'/>
+ </f>
+ <f id='14' a='d'/>
+ </e>
+ <m id='15'>
+ <n id='16'>
+ <o id='17'>
+ <p id='18'/>
+ </o>
+ </n>
+ </m>
+ </a>
+ EOF
+ JENI_TENNISON = <<-EOJT
+ <a>
+ <b>
+ <c>
+ <d>
+ <e id='x'>
+ <f/>
+ </e>
+ </d>
+ </c>
+ <c>
+ <d>
+ <e id='y'/>
+ </d>
+ </c>
+ </b>
+ <b>
+ <c>
+ <d>
+ <e id='z'/>
+ </d>
+ </c>
+ </b>
+ </a>
+ EOJT
+
+ def setup
+ @@doc = Document.new(SOURCE) unless defined? @@doc
+ @@jeni = Document.new( JENI_TENNISON ) unless defined? @@jeni
+ end
+
+ def each_test( element, xpath )
+ count = 0
+ XPath::each( element, xpath ) { |child|
+ count += 1
+ yield child if block_given?
+ }
+ count
+ end
+
+ def test_descendant
+ doc = Document.new("<a><b><c id='1'/></b><d><b><c id='2'/></b></d></a>")
+ p = XPath.match( doc, "//c" )
+ assert_equal( 2, p.size )
+ p = XPath.first( @@doc, "//p" )
+ assert_equal "p", p.name
+ c = each_test( @@doc, "//c" ) { |child| assert_equal "c", child.name }
+ assert_equal 5, c
+ c = each_test( @@doc.root, "b//c" ) { |child|
+ assert_equal "c", child.name
+ }
+ assert_equal 2, c
+
+ doc = Document.new( "<a><z id='1'/><b><z id='11'/><z id='12'/></b><c><z id='21'/><z id='22'/><d><z id='31'/><z id='32'/></d></c></a>" )
+ # //para[1] : all descendants which are the first para child of their parent
+ assert_equal( 4, XPath.match( doc, "//z[1]" ).size )
+ # /descendant::para[1] : the first descendant para element
+ assert_equal( 1, XPath.match( doc, "/descendant::z[1]" ).size )
+ end
+
+ def test_root
+ source = "<a><b/></a>"
+ doc = Document.new( source )
+ assert_equal doc, doc.root_node
+ assert_equal "a", XPath::first( doc, "/" ).elements[1].name
+ end
+
+ def test_abbreviated_simple_child
+ assert_equal "a", XPath::first(@@doc, "a").name
+ end
+
+ def test_child
+ c = XPath::first( @@doc, "a/b/c" )
+ assert_equal "c", c.name
+ assert_equal "3", XPath::first(@@doc, "a/b/c").attributes["id"]
+ end
+
+ def test_root_child
+ assert_equal "a", XPath::first(@@doc, "/a").name
+ c = XPath::first( @@doc, "a/b/c" )
+ assert_equal "a", XPath::first(c, "/a").name
+ end
+
+ def test_root_children
+ c = XPath::first( @@doc, "a/b/c" )
+ assert_equal "2", XPath::first(c, "/a/b").attributes["id"]
+ end
+
+ def test_abbreviated_step
+ c = XPath::first( @@doc, "a/b/c" )
+ assert_equal("c", c.name)
+ assert_equal("a", XPath::first(@@doc.root, ".").name)
+ assert_equal("b", XPath::first(c, "..").name)
+ assert_equal("a", XPath::first(@@doc, "a/b/..").name)
+
+ doc = REXML::Document.new(File.new(fixture_path("project.xml")))
+ c = each_test(doc.root, "./Description" ) { |child|
+ assert_equal("Description",child.name)
+ }
+ assert_equal 1, c
+ end
+
+ # Things that aren't tested elsewhere
+ def test_predicates
+ assert_equal "12", XPath::first(@@doc, "a/e/f[3]").attributes["id"]
+ assert_equal "13", XPath::first(@@doc, "a/e/f[3]/g").attributes["id"]
+ assert_equal "14", XPath::first(@@doc, "a/e/f[@a='d'][2]").attributes["id"]
+ assert_equal "14", XPath::first(@@doc, "a/e/f[@a='d'][@id='14']").attributes["id"]
+ assert_equal "a", XPath::first( @@doc, "*[name()='a' and @id='1']" ).name
+ c=each_test( @@doc, "//*[name()='f' and @a='d']") { |i|
+ assert_equal "f", i.name
+ }
+ assert_equal 2, c
+ c=each_test( @@doc, "//*[name()='m' or @a='d']") { |i|
+ assert ["m","f"].include?(i.name)
+ }
+ assert_equal 3, c
+
+ assert_equal "b", XPath::first( @@doc, "//b[@x]" ).name
+ end
+
+ def test_node_type
+ doc = Document.new "<a><?foo bar?><!--comment-->text</a>"
+ #res = XPath::first(doc.root, "text()")
+ #assert_equal "text", res.to_s
+
+ #res = XPath::first(doc, "*")
+ #assert_equal "a", res.name
+
+ assert_equal( :processing_instruction,
+ XPath::first(doc.root, "processing-instruction()").node_type)
+ assert_equal( :comment, XPath::first(doc.root, "comment()").node_type)
+ end
+
+ def test_functions
+ # trivial text() test
+ # confuse-a-function
+ source = "<a>more <b id='1'/><b id='2'>dumb</b><b id='3'/><c/> text</a>"
+ doc = Document.new source
+ res = ""
+ #XPath::each(doc.root, "text()") {|val| res << val.to_s}
+ #assert_equal "more text", res
+
+ #res = XPath::first(doc.root, "b[last()]")
+ #assert_equal '3', res.attributes['id']
+ res = XPath::first(doc.root, "b[position()=2]")
+ assert_equal '2', res.attributes['id']
+ res = XPath::first(doc.root, "*[name()='c']")
+ assert_equal "c", res.name
+ end
+
+ def no_test_ancestor
+ doc = REXML::Document.new(File.new(fixture_path("testsrc.xml")))
+ doc.elements.each("//item") { |el| print el.name
+ if el.attributes['x']
+ puts " -- "+el.attributes['x']
+ else
+ puts
+ end
+ }
+ doc.elements.each("//item/ancestor::") { |el| print el.name
+ if el.attributes['x']
+ puts " -- "+el.attributes['x']
+ else
+ puts
+ end
+ }
+ end
+
+ # Here are some XPath tests that were originally submitted by ...
+ # The code has changed some, but the logic and the source documents are the
+ # same.
+ # This method reads a document from a file, and then a series of xpaths,
+ # also from a file. It then checks each xpath against the source file.
+ def test_more
+ xmlsource = fixture_path("testsrc.xml")
+ xpathtests = fixture_path("xp.tst")
+
+ doc = REXML::Document.new(File.new(xmlsource))
+ #results = ""
+ results = REXML::Document.new
+ results.add_element "test-results"
+ for line in File.new(xpathtests)
+ line.strip!
+ begin
+ doc.root
+ #puts "#"*80
+ #print "\nDoing #{line} " ; $stdout.flush
+ doc.elements.each(line) do |el|
+ #print "." ; $stdout.flush
+ results.root << el.clone
+ #results << el.to_s
+ end
+ #ObjectSpace.garbage_collect
+ GC::start
+ rescue Exception => z
+ #puts "\n'#{line}' failed"
+ fail("Error on line #{line}:\n#{z.message}\n"+z.backtrace[0,10].join("\n"))
+ #results.root.add_element( "error", {"path"=>line}).text = z.message+"\n"+z.backtrace[0,10].join("\n")
+ #results << "<error path='"+line+"'>"+z.message+"</error>"
+ end
+ end
+ end
+
+ def test_axe_descendant
+ assert_equal "f", XPath::first( @@doc, "descendant::f").name
+ end
+
+ def test_axe_parent
+ q = XPath.first( @@doc, "a/d/c/parent::*/q" )
+ assert_equal 19, q.attributes["id"].to_i
+ end
+
+ def test_abbreviated_attribute
+ assert_equal 'a', XPath::first( @@doc, "a[@id='1']" ).name
+ c = XPath::first( @@doc, "a/b/c[@id='4']" )
+ assert_equal 'c', c.name
+ assert_equal '4', c.attributes['id']
+
+ result = XPath::first( @@doc, "descendant::f[@a='c']")
+ assert_equal "11", result.attributes['id']
+
+ assert_equal "11", XPath::first(@@doc, "a/e/f[@a='c']").attributes["id"]
+ assert_equal "11", XPath::first(@@doc, "a/e/*[@a='c']").attributes["id"]
+ end
+
+ def test_axe_self
+ c = XPath::first( @@doc, "a/b/c" )
+ assert c
+ assert_equal "c", c.name
+ assert_equal "c", XPath::first( c, "self::node()" ).name
+ end
+
+ def test_axe_ancestor
+ doc = REXML::Document.new "
+ <a>
+ <b id='1'>
+ <c>
+ <b id='2'>
+ <d/>
+ </b>
+ </c>
+ </b>
+ </a>"
+
+ d = XPath.first( doc, "//d" )
+ assert_equal "d", d.name
+ b = each_test( d, "ancestor::b" ) { |el|
+ assert((1..2) === el.attributes['id'].to_i,
+ "Expected #{el.attributes['id']} to be either 1 or 2"
+ )
+ }
+ assert_equal 2, b
+ end
+
+ def test_axe_child
+ m = XPath.first( @@doc, "a/child::m" )
+ assert_equal 15, m.attributes['id'].to_i
+ end
+
+ def test_axe_attribute
+ a = XPath.first( @@doc, "a/attribute::id" )
+ assert_equal "1", a.value
+ a = XPath.first( @@doc, "a/e/f[@id='14']/attribute::a" )
+ assert_equal "d", a.value
+ end
+
+ def test_axe_sibling
+ doc = Document.new "<a><b><c/></b><e><f id='10'/><f id='11'/><f id='12'/></e></a>"
+ first_f = XPath.first( doc, "a/e/f" )
+ assert first_f
+ assert_equal '10', first_f.attributes['id']
+ next_f = XPath.first( doc, "a/e/f/following-sibling::node()" )
+ assert_equal '11', next_f.attributes['id']
+
+ b = XPath.first( doc, "a/e/preceding-sibling::node()" )
+ assert_equal 'b', b.name
+ end
+
+ def test_lang
+ doc = Document.new(File.new(fixture_path("lang0.xml")))
+ #puts IO.read( "test/lang.xml" )
+
+ #puts XPath.match( doc, "//language/*" ).size
+ c = each_test( doc, "//language/*" ) { |element|
+ #puts "#{element.name}: #{element.text}"
+ }
+ assert_equal 4, c
+ end
+
+ def test_namespaces_1
+ source = <<-EOF
+ <foo xmlns:ts="this" xmlns:tt="that">
+ <ts:bar>this bar</ts:bar>
+ <tt:bar>that bar</tt:bar>
+ </foo>
+ EOF
+ doc = Document.new source
+ XPath.each( doc, "//bar" ) {
+ fail "'bar' should match nothing in this case"
+ }
+
+ namespace = {"t"=>"this"}
+ results = XPath.first( doc, "//t:bar", namespace )
+ assert_equal "this bar", results.text
+ end
+
+ def test_namespaces_2
+ source = <<-EOF
+ <foo xmlns:ts="this" xmlns:tt="that">
+ <ts:bar>this bar</ts:bar>
+ <tt:bar>that bar</tt:bar>
+ </foo>
+ EOF
+ doc = Document.new source
+ res = XPath::first(doc, "//*[local_name()='bar']")
+ assert res, "looking for //*[name()='bar']"
+ assert_equal 'this', res.namespace
+ res = XPath::first(doc.root, "*[namespace_uri()='that']")
+ assert_equal 'that bar', res.text
+ end
+
+ def test_complex
+ next_f = XPath.first( @@doc, "a/e/f[@id='11']/following-sibling::*" )
+ assert_equal 12, next_f.attributes['id'].to_i
+ prev_f = XPath.first( @@doc, "a/e/f[@id='11']/preceding-sibling::*" )
+ assert_equal 10, prev_f.attributes['id'].to_i
+ c = each_test( @@doc, "descendant-or-self::*[@x='y']" )
+ assert_equal 2, c
+ end
+
+ def test_grouping
+ t = XPath.first( @@doc, "a/d/*[name()='d' and (name()='f' or name()='q')]" )
+ assert_nil t
+ t = XPath.first( @@doc, "a/d/*[(name()='d' and name()='f') or name()='q']" )
+ assert_equal 'q', t.name
+ end
+
+ def test_preceding
+ d = Document.new "<a><b id='0'/><b id='2'/><b><c id='0'/><c id='1'/><c id='2'/></b><b id='1'/></a>"
+ start = XPath.first( d, "/a/b[@id='1']" )
+ assert_equal 'b', start.name
+ c = XPath.first( start, "preceding::c" )
+ assert_equal '2', c.attributes['id']
+
+ c1, c0 = XPath.match( d, "/a/b/c[@id='2']/preceding::node()" )
+ assert_equal '1', c1.attributes['id']
+ assert_equal '0', c0.attributes['id']
+
+ c2, c1, c0, b, b2, b0 = XPath.match( start, "preceding::node()" )
+
+ assert_equal 'c', c2.name
+ assert_equal 'c', c1.name
+ assert_equal 'c', c0.name
+ assert_equal 'b', b.name
+ assert_equal 'b', b2.name
+ assert_equal 'b', b0.name
+
+ assert_equal '2', c2.attributes['id']
+ assert_equal '1', c1.attributes['id']
+ assert_equal '0', c0.attributes['id']
+ assert b.attributes.empty?
+ assert_equal '2', b2.attributes['id']
+ assert_equal '0', b0.attributes['id']
+
+ d = REXML::Document.new("<a><b/><c/><d/></a>")
+ matches = REXML::XPath.match(d, "/a/d/preceding::node()")
+ assert_equal("c", matches[0].name)
+ assert_equal("b", matches[1].name)
+
+ s = "<a><b><c id='1'/></b><b><b><c id='2'/><c id='3'/></b><c id='4'/></b><c id='NOMATCH'><c id='5'/></c></a>"
+ d = REXML::Document.new(s)
+ c = REXML::XPath.match( d, "//c[@id = '5']")
+ cs = REXML::XPath.match( c, "preceding::c" )
+ assert_equal( 4, cs.length )
+ end
+
+ def test_following
+ d = Document.new "<a><b id='0'/><b/><b><c id='1'/><c id='2'/></b><b id='1'/></a>"
+ start = XPath.first( d, "/a/b[@id='0']" )
+ assert_equal 'b', start.name
+ c = XPath.first( start, "following::c" )
+ assert_equal '1', c.attributes['id']
+
+ s = "<a><b><c><d/></c><e/></b><f><g><h/><i/></g></f><i/></a>"
+ d = Document.new(s)
+ c = XPath.first(d, '/a/b/c')
+ assert_equal 'c', c.name
+ res = XPath.match( c, 'following::*' )
+ assert_equal 6, res.size
+ res = XPath.match( c, 'following::i' )
+ assert_equal 2, res.size
+ end
+
+ # The following three paths were provided by
+ # Jeni Tennison <jeni@jenitennison.com>
+ # a consultant who is also an XSL and XPath expert
+ #def test_child_cubed
+ # els = @@jeni.elements.to_a("*****")
+ # assert_equal 3, els.size
+ #end
+
+ #def test_div_2
+ # results = doc.elements.to_a("/ div 2")
+ #end
+
+ #def test_nested_predicates
+ # puts @@jeni.root.elements[1].elements[1].name
+ # results = @@jeni.root.elements[1].elements[1].elements.to_a("../following-sibling::*[*[name() = name(current())]]")
+ # puts results
+ #end
+
+ # Contributed by Mike Stok
+ def test_starts_with
+ source = <<-EOF
+ <foo>
+ <a href="mailto:a@b.c">a@b.c</a>
+ <a href="http://www.foo.com">http://www.foo.com</a>
+ </foo>
+ EOF
+ doc = Document.new source
+ mailtos = doc.elements.to_a("//a[starts-with(@href, 'mailto:')]")
+ assert_equal 1, mailtos.size
+ assert_equal "mailto:a@b.c", mailtos[0].attributes['href']
+
+ ailtos = doc.elements.to_a("//a[starts-with(@href, 'ailto:')]")
+ assert_equal 0, ailtos.size
+ end
+
+ def test_toms_text_node
+ file = "<a>A<b>B</b><c>C<d>D</d>E</c>F</a>"
+ doc = Document.new(file)
+ assert_equal 'A', XPath.first(doc[0], 'text()').to_s
+ assert_equal 'AF', XPath.match(doc[0], 'text()').collect { |n|
+ n.to_s
+ }.join('')
+ assert_equal 'B', XPath.first(doc[0], 'b/text()').to_s
+ assert_equal 'D', XPath.first(doc[0], '//d/text()').to_s
+ assert_equal 'ABCDEF', XPath.match(doc[0], '//text()').collect {|n|
+ n.to_s
+ }.join('')
+ end
+
+ def test_string_length
+ doc = Document.new <<-EOF
+ <AAA>
+ <Q/>
+ <SSSS/>
+ <BB/>
+ <CCC/>
+ <DDDDDDDD/>
+ <EEEE/>
+ </AAA>
+ EOF
+ assert doc, "create doc"
+
+ set = doc.elements.to_a("//*[string-length(name()) = 3]")
+ assert_equal 2, set.size, "nodes with names length = 3"
+
+ set = doc.elements.to_a("//*[string-length(name()) < 3]")
+ assert_equal 2, set.size, "nodes with names length < 3"
+
+ set = doc.elements.to_a("//*[string-length(name()) > 3]")
+ assert_equal 3, set.size, "nodes with names length > 3"
+ end
+
+ # Test provided by Mike Stok
+ def test_contains
+ source = <<-EOF
+ <foo>
+ <a href="mailto:a@b.c">a@b.c</a>
+ <a href="http://www.foo.com">http://www.foo.com</a>
+ </foo>
+ EOF
+ doc = Document.new source
+
+ [
+ #['o', 2],
+ ['foo', 1], ['bar', 0]].each { |search, expected|
+ set = doc.elements.to_a("//a[contains(@href, '#{search}')]")
+ assert_equal expected, set.size
+ }
+ end
+
+ # Mike Stok and Sean Russell
+ def test_substring
+ # examples from http://www.w3.org/TR/xpath#function-substring
+ doc = Document.new('<test string="12345" />')
+
+ Document.new("<a b='1'/>")
+ #puts XPath.first(d, 'node()[0 + 1]')
+ #d = Document.new("<a b='1'/>")
+ #puts XPath.first(d, 'a[0 mod 0]')
+ [ [1.5, 2.6, '234'],
+ [0, 3, '12'],
+ [0, '0 div 0', ''],
+ [1, '0 div 0', ''],
+ ['-42', '1 div 0', '12345'],
+ ['-1 div 0', '1 div 0', '']
+ ].each { |start, length, expected|
+ set = doc.elements.to_a("//test[substring(@string, #{start}, #{length}) = '#{expected}']")
+ assert_equal 1, set.size, "#{start}, #{length}, '#{expected}'"
+ }
+ end
+
+ def test_translate
+ source = <<-EOF
+ <doc>
+ <case name='w3c one' result='BAr' /> <!-- w3c -->
+ <case name='w3c two' result='AAA' /> <!-- w3c -->
+ <case name='alchemy' result="gold" /> <!-- mike -->
+ <case name='vbxml one' result='A Space Odyssey' />
+ <case name='vbxml two' result='AbCdEf' />
+ </doc>
+ EOF
+
+ doc = Document.new(source)
+
+ [ ['bar', 'abc', 'ABC', 'w3c one'],
+ ['--aaa--','abc-','ABC', 'w3c two'],
+ ['lead', 'dear language', 'doll groover', 'alchemy'],
+ ['A Space Odissei', 'i', 'y', 'vbxml one'],
+ ['abcdefg', 'aceg', 'ACE', 'vbxml two'],
+ ].each { |arg1, arg2, arg3, name|
+ translate = "translate('#{arg1}', '#{arg2}', '#{arg3}')"
+ set = doc.elements.to_a("//case[@result = #{translate}]")
+ assert_equal 1, set.size, translate
+ assert_equal name, set[0].attributes['name']
+ }
+ end
+
+ def test_math
+ d = Document.new( '<a><b/><c/></a>' )
+ assert XPath.first( d.root, 'node()[1]' )
+ assert_equal 'b', XPath.first( d.root, 'node()[1]' ).name
+ assert XPath.first( d.root, 'node()[0 + 1]' )
+ assert_equal 'b', XPath.first( d.root, './node()[0 + 1]' ).name
+ assert XPath.first( d.root, 'node()[1 + 1]' )
+ assert_equal 'c', XPath.first( d.root, './node()[1 + 1]' ).name
+ assert XPath.first( d.root, 'node()[4 div 2]' )
+ assert_equal 'c', XPath.first( d.root, './node()[4 div 2]' ).name
+ assert XPath.first( d.root, 'node()[2 - 1]' )
+ assert_equal 'b', XPath.first( d.root, './node()[2 - 1]' ).name
+ assert XPath.first( d.root, 'node()[5 mod 2]' )
+ assert_equal 'b', XPath.first( d.root, './node()[5 mod 2]' ).name
+ assert XPath.first( d.root, 'node()[8 mod 3]' )
+ assert_equal 'c', XPath.first( d.root, './node()[8 mod 3]' ).name
+ assert XPath.first( d.root, 'node()[1 * 2]' )
+ assert_equal 'c', XPath.first( d.root, './node()[1 * 2]' ).name
+ assert XPath.first( d.root, 'node()[2 + -1]' )
+ assert_equal 'b', XPath.first( d.root, './node()[2 + -1]' ).name
+ end
+
+ def test_name
+ assert_raise( UndefinedNamespaceException, "x should be undefined" ) {
+ REXML::Document.new("<a x='foo'><b/><x:b/></a>")
+ }
+ d = REXML::Document.new("<a xmlns:x='foo'><b/><x:b/></a>")
+ assert_equal 1, d.root.elements.to_a('*[name() = "b"]').size
+ assert_equal 1, d.elements.to_a('//*[name() = "x:b"]').size
+ end
+
+ def test_local_name
+ d = REXML::Document.new("<a xmlns:x='foo'><b/><x:b/></a>")
+ assert_equal 2, d.root.elements.to_a('*[local_name() = "b"]').size
+ assert_equal 2, d.elements.to_a('//*[local_name() = "b"]').size
+ end
+
+ def test_comparisons
+ source = "<a><b id='1'/><b id='2'/><b id='3'/></a>"
+ doc = REXML::Document.new(source)
+
+ # NOTE TO SER: check that number() is required
+ assert_equal 2, REXML::XPath.match(doc, "//b[number(@id) > 1]").size
+ assert_equal 3, REXML::XPath.match(doc, "//b[number(@id) >= 1]").size
+ assert_equal 1, REXML::XPath.match(doc, "//b[number(@id) <= 1]").size
+ assert_equal 1, REXML::XPath.match(doc, "//b[number(@id) = (1 * 1)]").size
+ assert_equal 1, REXML::XPath.match(doc, "//b[number(@id) = (1 mod 2)]").size
+ assert_equal 1, REXML::XPath.match(doc, "//b[number(@id) = (4 div 2)]").size
+ end
+
+ # Contributed by Kouhei
+ def test_substring_before
+ doc = Document.new("<r><a/><b/><c/></r>")
+ assert_equal("a", doc.root.elements.to_a("*[name()=substring-before('abc', 'b')]")[0].name)
+ assert_equal("c", doc.root.elements.to_a("*[name()=substring-after('abc', 'b')]")[0].name)
+ end
+
+ def test_spaces
+ doc = Document.new("<a>
+ <b>
+ <c id='a'/>
+ </b>
+ <c id='b'/>
+ </a>")
+ assert_equal( 1, REXML::XPath.match(doc,
+ "//*[local-name()='c' and @id='b']").size )
+ assert_equal( 1, REXML::XPath.match(doc,
+ "//*[ local-name()='c' and @id='b' ]").size )
+ assert_equal( 1, REXML::XPath.match(doc,
+ "//*[ local-name() = 'c' and @id = 'b' ]").size )
+ assert_equal( 1,
+ REXML::XPath.match(doc, '/a/c[@id]').size )
+ assert_equal( 1,
+ REXML::XPath.match(doc, '/a/c[(@id)]').size )
+ assert_equal( 1,
+ REXML::XPath.match(doc, '/a/c[ @id ]').size )
+ assert_equal( 1,
+ REXML::XPath.match(doc, '/a/c[ (@id) ]').size )
+ assert_equal( 1,
+ REXML::XPath.match(doc, '/a/c[( @id )]').size )
+ assert_equal( 1, REXML::XPath.match(doc.root,
+ '/a/c[ ( @id ) ]').size )
+ assert_equal( 1, REXML::XPath.match(doc,
+ '/a/c [ ( @id ) ] ').size )
+ assert_equal( 1, REXML::XPath.match(doc,
+ ' / a / c [ ( @id ) ] ').size )
+ end
+
+ def test_text_nodes
+ # source = "<root>
+ #<child/>
+ #<child>test</child>
+ #</root>"
+ source = "<root><child>test</child></root>"
+ d = REXML::Document.new( source )
+ r = REXML::XPath.match( d, %q{/root/child[text()="test"]} )
+ assert_equal( 1, r.size )
+ assert_equal( "child", r[0].name )
+ assert_equal( "test", r[0].text )
+ end
+
+ def test_auto_string_value
+ source = "<root><foo/><title>Introduction</title></root>"
+ d = REXML::Document.new( source )
+ #r = REXML::XPath.match( d, %q{/root[title="Introduction"]} )
+ #assert_equal( 1, r.size )
+ source = "<a><b/><c/><c>test</c></a>"
+ d = REXML::Document.new( source )
+ r = REXML::XPath.match( d, %q{/a[c='test']} )
+ assert_equal( 1, r.size )
+ r = REXML::XPath.match( d, %q{a[c='test']} )
+ assert_equal( 1, r.size )
+ r = d.elements["/a[c='test']"]
+ assert_not_nil( r )
+ r = d.elements["a[c='test']"]
+ assert_not_nil( r )
+ r = d.elements["a[c='xtest']"]
+ assert_nil( r )
+ r = REXML::XPath.match( d, %q{a[c='xtest']} )
+ assert_equal( 0, r.size )
+ end
+
+ def test_ordering
+ source = "<a><b><c id='1'/><c id='2'/></b><b><d id='1'/><d id='2'/></b></a>"
+ d = REXML::Document.new( source )
+ r = REXML::XPath.match( d, %q{/a/*/*[1]} )
+ assert_equal( 1, r.size )
+ r.each { |el| assert_equal( '1', el.attribute('id').value ) }
+ end
+
+ def test_descendant_or_self_ordering
+ source = "<a>
+ <b>
+ <c id='1'/>
+ <c id='2'/>
+ </b>
+ <b>
+ <d id='1'>
+ <c id='3'/>
+ </d>
+ <d id='2'>
+ <e>
+ <c id='4'/>
+ </e>
+ </d>
+ </b>
+ </a>"
+ d = REXML::Document.new( source )
+ cs = XPath.match( d, "/descendant-or-self::c" )
+ assert_equal( 4, cs.length )
+ 1.upto(4) {|x| assert_equal( x.to_s, cs[x-1].attributes['id'] ) }
+ end
+
+ def test_and
+ d = Document.new %q{<doc><route run='*' title='HNO'
+ destination='debian_production1' date='*' edition='*'
+ source='debian_satellite1'/></doc>}
+ assert_equal( nil, d.root.elements["route[@run='0']"] )
+ assert_equal( nil, d.root.elements["route[@run='0' and @title='HNO']"] )
+ end
+
+
+ def test_numbers
+ d = Document.new %q{<a x="0" y="*" z="4e" w="e4" v="a"/>}
+
+ xp1 = "/a[ @x = 0 ]"
+ xp2 = "/a[ @x = '0' ]"
+ xp3 = "/a[ (@x + 1) = 1 ]"
+ xp4 = "/a[ @y = 0 ]"
+ xp5 = "/a[ (@z + 1) = 5 ]"
+ xp6 = "/a[ (@w + 1) = 5 ]"
+ xp7 = "/a[ (@v + 1) = 1 ]"
+ xp8 = "/a[ @n = 0 ]"
+
+ assert_equal( 1, XPath.match( d, xp1 ).length )
+ assert_equal( 1, XPath.match( d, xp2 ).length )
+ assert_equal( 1, XPath.match( d, xp3 ).length )
+ assert_equal( 0, XPath.match( d, xp4 ).length )
+ assert_equal( 0, XPath.match( d, xp5 ).length )
+ assert_equal( 0, XPath.match( d, xp6 ).length )
+ assert_equal( 0, XPath.match( d, xp7 ).length )
+ assert_equal( 0, XPath.match( d, xp8 ).length )
+ end
+
+ def test_tobis_preceding
+ doc_string = '<a>
+ <b/>
+ <c>
+ <d/>
+ <e/>
+ </c>
+</a>'
+
+ doc = Document.new(doc_string)
+
+ # e = REXML::XPath.first(doc,'/a/c/e')
+ e = doc.root.get_elements('/a/c/e')[0]
+ assert_equal( 1, e.get_elements('preceding-sibling::*').length )
+ assert_equal( 2, XPath.match(e, 'preceding::*').length )
+ end
+
+
+ def test_filtering
+ #doc=Document.new("<a><b><c1/><c2/></b><b><c3/><c4/></b><b><c5/><c6/></b></a>")
+ #assert_equal( 3, XPath.match( doc, '/a/b/*[1]' ).length )
+ #assert_equal( 2, XPath.match( doc, '/a/b/following-sibling::*[1]' ).length )
+ end
+
+ # Submitted by Alex
+ def test_union
+ data = %Q{<div id="the_div">
+ <span id="the_span">
+ <strong id="the_strong">a</strong>
+ </span>
+ <em id="the_em2">b</em>
+</div>}
+ rd = REXML::Document.new( data )
+ #union = rd.get_elements("/div/span | /div/em")
+ #assert_equal(2, union.length, "/div/span | /div/em" )
+ union = rd.get_elements('//*[name()="em" or name()="strong"]')
+ assert_equal(2, union.length, 'name() and "or" failed')
+ union = rd.get_elements('//em|//strong')
+ assert_equal(2, union.length,
+ 'Both tag types are returned by XPath union operator')
+ end
+
+
+ def test_union2
+ src = <<-EOL
+<div id="the_div">
+<span id="the_span">
+<strong id="the_strong">a</strong>
+</span>
+<em id="the_em2">b</em>
+</div>
+ EOL
+ rd = REXML::Document.new( src )
+ union = rd.get_elements('//em|//strong')
+ assert_equal(2, union.length,
+ 'Both tag types are returned by XPath union operator')
+ end
+
+
+ def test_a_star_star_one
+ string = <<-EOL
+<a>
+ <b>
+ <c1/>
+ <d/>
+ <e/>
+ <f/>
+ </b>
+ <b>
+ <c2/>
+ <d/>
+ <e/>
+ <f/>
+ </b>
+</a>
+ EOL
+ d = REXML::Document.new( string )
+ c1 = XPath.match( d, '/a/*/*[1]' )
+ assert_equal( 1, c1.length )
+ assert_equal( 'c1', c1[0].name )
+ end
+
+ def test_sum
+ d = Document.new("<a>"+
+ "<b>1</b><b>2</b><b>3</b>"+
+ "<c><d>1</d><d>2</d></c>"+
+ "<e att='1'/><e att='2'/>"+
+ "</a>")
+
+ for v,p in [[6, "sum(/a/b)"],
+ [9, "sum(//b | //d)"],
+ [3, "sum(/a/e/@*)"] ]
+ assert_equal( v, XPath::match( d, p ).first )
+ end
+ end
+
+ def test_xpath_namespace
+ d = REXML::Document.new("<tag1 xmlns='ns1'><tag2 xmlns='ns2'/><tada>xa</tada></tag1>")
+ x = d.root
+ num = 0
+ x.each_element('tada') { num += 1 }
+ assert_equal(1, num)
+ end
+
+ def test_ticket_39
+ doc = REXML::Document.new( <<-EOL )
+ <rss>
+ <channel>
+ <!-- removing the namespace declaration makes the test pass -->
+ <convertLineBreaks xmlns="http://www.blogger.com/atom/ns#">true</convertLineBreaks>
+ <item>
+ <title>Item 1</title>
+ </item>
+ <item>
+ <title>Item 2</title>
+ <pubDate>Thu, 13 Oct 2005 19:59:00 +0000</pubDate>
+ </item>
+ <item>
+ <title>Item 3</title>
+ </item>
+ </channel>
+ </rss>
+ EOL
+ root_node = XPath.first(doc, "rss")
+ assert_not_nil root_node
+ channel_node = XPath.first(root_node, "channel")
+ assert_not_nil channel_node
+ items = XPath.match(channel_node, "*")
+ assert_equal 4, items.size
+ items = XPath.match(channel_node, "item")
+ assert_equal 3, items.size # fails
+ end
+
+
+ def test_ticket_42
+ source = "<a></a>"
+ doc = Document.new(source)
+ bElem = Element.new('b')
+ doc.root.add_element(bElem)
+ doc.elements.each('//b[name(..) = "a"]') { |x|
+ assert_equal x,bElem
+ }
+ end
+
+ def test_ticket_56
+ namespaces = {'h' => 'http://www.w3.org/1999/xhtml'}
+
+ finaldoc = REXML::Document.new(File.read(fixture_path('google.2.xml')))
+
+ column_headers = []
+
+ REXML::XPath.each(finaldoc, '//h:form[@action="ModifyCampaign"]//h:th',
+ namespaces) do |el|
+ node = REXML::XPath.first(el, 'h:a/text()', namespaces)
+ column_headers << (node ? node.value : nil)
+ end
+ column_headers.map! { |h| h.to_s.strip.chomp }
+ expected = ["", "", "Current Status", "Current Budget",
+ "Clicks", "Impr.", "CTR", "Avg. CPC", "Cost", "Conv. Rate",
+ "Cost/Conv."]
+ assert_equal( expected, column_headers )
+ end
+
+
+ def test_ticket_70
+ string = <<EOF
+
+<mydoc>
+
+ <someelement attribute="1.10">Text1, text,
+text</someelement>
+
+ <someelement attribute="1.11">Text2, text,
+text</someelement>
+
+
+</mydoc>
+
+EOF
+ doc = Document.new string
+ assert_equal( 1, XPath.match( doc, "//someelement[contains(@attribute,'1.10')]" ).length )
+ end
+
+ def test_ticket_43
+ #url = http://news.search.yahoo.com/news/rss?p=market&ei=UTF-8&fl=0&x=wrt
+
+ sum = Document.new(File.new(fixture_path("yahoo.xml"))).elements.to_a("//item").size
+ assert_equal( 10, sum )
+
+ text = Document.new(File.new(fixture_path("yahoo.xml"))).elements.to_a(%Q{//title[contains(text(), "'")]}).collect{|e| e.text}.join
+ assert_equal( "Broward labor market's a solid performer (Miami Herald)", text )
+ end
+
+ def test_ticket_57
+ data = "<?xml version='1.0'?><a:x xmlns:a='1'><a:y p='p' q='q'><a:z>zzz</a:z></a:y></a:x>"
+
+ r = Document.new(data)
+
+ assert_equal(Text, REXML::XPath.first(r,"a:x/a:y[@p='p' and @q='q']/a:z/text()").class)
+ assert_equal("zzz", REXML::XPath.first(r,"a:x/a:y[@p='p' and @q='q']/a:z/text()").to_s)
+ end
+
+ def test_ticket_59
+ data = "<a>
+ <c id='1'/>
+ <c id='2'/>
+ <b>
+ <c id='3'/>
+ </b>
+ <c id='4'/>
+ <b>
+ <b>
+ <c id='5'/>
+ </b>
+ <c id='6'/>
+ </b>
+ <c id='7'/>
+ <b>
+ <b>
+ <c id='8'/>
+ <b>
+ <c id='9'/>
+ <b>
+ <c id='10'/>
+ </b>
+ <c id='11'/>
+ </b>
+ </b>
+ </b>
+ <c id='12'/>
+ </a>"
+ d = Document.new(data)
+ res = d.elements.to_a( "//c" ).collect {|e| e.attributes['id'].to_i}
+ assert_equal( res, res.sort )
+ end
+
+ def ticket_61_fixture(doc, xpath)
+ matches = []
+ doc.elements.each(xpath) do |element|
+ matches << element
+ assert_equal('Add', element.text)
+ assert_equal('ButtonText', element.attributes['class'])
+ end
+ assert_equal(1, matches.length)
+ end
+
+ def test_ticket_61_text
+ file = File.open(fixture_path("ticket_61.xml"))
+ doc = REXML::Document.new file
+ ticket_61_fixture( doc, "//div[text()='Add' and @class='ButtonText']" )
+ end
+
+ def test_ticket_61_contains
+ file = File.open(fixture_path("ticket_61.xml"))
+ doc = REXML::Document.new file
+ ticket_61_fixture( doc, "//div[contains(.,'Add') and @class='ButtonText']" )
+ end
+
+ def test_namespaces_0
+ d = Document.new(%q{<x:a xmlns:x="y"/>})
+ assert_equal( 1, XPath.match( d, "//x:a" ).size )
+ assert_equal( 1, XPath.match( d, "//x:*" ).size )
+ end
+
+ def test_ticket_71
+ doc = Document.new(%Q{<root xmlns:ns1="xyz" xmlns:ns2="123"><element ns1:attrname="foo" ns2:attrname="bar"/></root>})
+ el = doc.root.elements[1]
+ assert_equal( "element", el.name )
+ el2 = XPath.first( doc.root, "element[@ns:attrname='foo']", { 'ns' => "xyz" } )
+ assert_equal( el, el2 )
+ end
+
+ def test_ticket_78
+ doc = <<-EOT
+ <root>
+ <element>
+ <tag x='1'>123</tag>
+ </element>
+ <element>
+ <tag x='2'>123a</tag>
+ </element>
+ </root>
+ EOT
+ seq = %w{BEGIN 123 END BEGIN 123a END}
+
+ xmlDoc = Document.new(doc)
+
+ ["//element[tag='123']/tag", "//element[tag='123a']/tag"].each do |query|
+ assert_equal( "BEGIN", seq.shift )
+ XPath.each(xmlDoc, query) { |element|
+ assert_equal( seq.shift, element.text )
+ }
+ assert_equal( "END", seq.shift )
+ end
+ end
+
+ def test_ticket_79
+ source = "<a><b><c>test</c></b><b><c>3</c></b></a>"
+ d = REXML::Document.new( source )
+ r = REXML::XPath.match( d, %q{/a/b[c='test']} )
+ assert_equal(1, r.size())
+ r = REXML::XPath.match( d, %q{/a/b[c='3']} )
+ assert_equal(1, r.size())
+ end
+
+ def test_or_and
+ doc = "
+<html>
+ <head>
+ <title>test</title>
+ </head>
+ <body>
+ <p>
+ A <a rel=\"sub\" href=\"/\">link</a>.
+ </p>
+ </body>
+</html>
+"
+
+ xmldoc = REXML::Document.new(doc)
+ xpath = "descendant::node()[(local-name()='link' or local-name()='a') and @rel='sub']"
+ hrefs = []
+ xmldoc.elements.each(xpath) do |element|
+ hrefs << element.attributes["href"]
+ end
+ assert_equal(["/"], hrefs, "Bug #3842 [ruby-core:32447]")
+ end
+end