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# encoding: UTF-8
require './test_helper'
require 'test/unit'
class TestXPathExpression < Test::Unit::TestCase
def setup
xp = XML::Parser.string('<ruby_array uga="booga" foo="bar"><fixnum>one</fixnum><fixnum>two</fixnum></ruby_array>')
@doc = xp.parse
end
def teardown
@doc = nil
end
def test_nodes
expr = XML::XPath::Expression.compile('/ruby_array/fixnum')
set = @doc.find(expr)
assert_instance_of(XML::XPath::Object, set)
assert_equal(2, set.size)
end
def test_find_class
expr = XML::XPath::Expression.new('/ruby_array/fixnum')
set = @doc.find(expr)
assert_instance_of(XML::XPath::Object, set)
assert_equal(2, set.size)
end
def test_find_invalid
error = assert_raise(TypeError) do
set = @doc.find(999)
end
assert_equal('Argument should be an intance of a String or XPath::Expression',
error.to_s)
end
end
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