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require 'test_helper'
class TestNode < Test::Unit::TestCase
def test_elements
assert doc.elements.size == 1
assert doc.at('root').elements.size == 2
end
def test_leaf?
assert root("<a/>").leaf?
assert root("<a>Yo</a>").leaf?
assert root("<a></a>").leaf?
assert !root("<div><a/></div>").leaf?
end
def test_match_of_elements_without_comparing_values
subject = root(<<-XML)
<root>
<one>1</one>
<two>
<three>3</three>
</two>
</root>
XML
pattern = root(<<-XML)
<root>
<two><three/></two>
<one>2</one>
</root>
XML
assert subject.match?(pattern)
end
def test_no_match_of_elements_without_comparing_values
subject = root(<<-XML)
<root>
<one>1</one>
<two/>
</root>
XML
pattern = root(<<-XML)
<root>
<four/>
<five>5</five>
</root>
XML
assert !subject.match?(pattern)
end
def test_match_with_values
subject = root(<<-XML)
<root>
<one>1</one>
<two><three>3</three></two>
</root>
XML
pattern = root(<<-XML)
<root>
<two><three>3</three></two>
<one>1</one>
</root>
XML
assert subject.match?(pattern, true)
end
def test_no_match_with_values
subject = root(<<-XML)
<root>
<one>1</one>
</root>
XML
not_matched_pattern = root(<<-XML)
<root>
<one>2</one>
</root>
XML
assert !subject.match?(not_matched_pattern, true)
end
def test_element_contains_another_element
element = create_element('<one/>')
assert !doc.send(:contains?,element)
assert doc.at('root').send(:contains?,element)
end
def test_element_contains_elements
assert doc.root.send(:contains_elements_of?, doc.root)
assert !doc.root.send(:contains_elements_of?, doc('<root><test_element/></root>'))
end
def test_comparable_attributes
assert_equal [["id", "boss"], ["name", "Dude"]], create_element(%{<li name="Dude" id="boss" />}).comparable_attributes
assert_equal [["name", "Dude"]], create_element(%{<li NAME="Dude"/>}).comparable_attributes
end
private
def create_element(xml)
Nokogiri::XML::Document.parse(xml).root
end
def root(xml)
doc(xml).root
end
def doc(xml = nil)
xml ||= <<-XML
<root>
<one>1</one>
<two>2</two>
</root>
XML
Nokogiri::XML::Document.parse(xml)
end
end
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