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require 'test/unit'
require 'rexml/document'
require 'rexml/element'
require 'rexml/xpath'
module REXMLTests
class TestXPathText < Test::Unit::TestCase
def setup
@doc = REXML::Document.new
end
def tear_down
end
def test_text_as_element
node1 = REXML::Element.new('a', @doc)
node2 = REXML::Element.new('b', node1)
REXML::Text.new('test', false, node2)
assert_equal(1, @doc.elements.size, "doc owns 1 element node1")
assert_same(node1, @doc.elements[1], "doc owns 1 element node1")
assert_equal(1, node1.elements.size, "node1 owns 1 element node2")
assert_same(node2, node1.elements[1], "node1 owns 1 element node2")
assert_equal(1, node2.size, "node2 owns 1 text element")
end
def test_text_in_xpath_query
node1 = REXML::Element.new('a', @doc)
node2 = REXML::Element.new('b', node1)
textnode = REXML::Text.new('test', false, node2)
textnode.parent = node2 # should be unnecessary
nodes = @doc.get_elements('//b')
assert_equal(1, nodes.size, "document has one element")
# why doesn't this query work right?
nodes = REXML::XPath.match(@doc, '//text()')
assert_equal(1, nodes.size, "//text() should yield one Text element")
assert_equal(REXML::Text, nodes[0].class)
end
def test_comment_in_xpath_query
node1 = REXML::Element.new('a', @doc)
node2 = REXML::Element.new('b', node1)
commentnode = REXML::Comment.new('test', node2)
nodes = REXML::XPath.match(@doc, '//comment()')
assert_equal(1, nodes.size, "//comment() should yield one Comment element")
assert_same commentnode, nodes[0]
end
def test_parentage
node1 = REXML::Element.new('a', @doc)
assert_same(@doc, node1.parent, "node1 parent is document")
node2 = REXML::Element.new('b', node1)
assert_same(node1, node2.parent, "node2 parent is node1")
textnode = REXML::Text.new('test', false, node2)
# why isn't the text's parent node2?
# Also look at Comment, etc.
assert_same(node2, textnode.parent)
comment = REXML::Comment.new('Test comment', node2)
assert_same(node2, comment.parent)
end
def test_ancestors
node1 = REXML::Element.new('a', @doc)
node2 = REXML::Element.new('b', node1)
textnode = REXML::Text.new('test', false, node2)
#textnode.parent = node2 # should be unnecessary
assert_same node2, textnode.parent
nodes = @doc.get_elements('//b/ancestor::*')
assert_equal(1, nodes.size, "<b> has one element ancestor")
nodes = @doc.get_elements('//b/ancestor::node()')
assert_equal(2, nodes.size, "<b> has two node ancestors")
assert nodes[1].kind_of?(REXML::Document)
end
end
end
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