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require "cgi"
require "rexml/document"
require "rss-testcase"
require "rss/1.0"
require "rss/dublincore"
module RSS
class TestDublinCore < TestCase
def setup
@rss10_parents = [%w(channel), %w(image), %w(item), %w(textinput)]
@rss10_source = make_RDF(<<-EOR, {DC_PREFIX => DC_URI})
#{make_channel(DC_NODES)}
#{make_image(DC_NODES)}
#{make_item(DC_NODES)}
#{make_textinput(DC_NODES)}
EOR
@rss20_parents = [%w(channel), %w(items last)]
@rss20_source = make_rss20(<<-EOR, {DC_PREFIX => DC_URI})
#{make_channel20(DC_NODES + make_item20(DC_NODES))}
EOR
@atom_feed_parents = [[], %w(entries last)]
@atom_feed_source = make_feed(<<-EOR, {DC_PREFIX => DC_URI})
#{DC_NODES}
#{make_entry(DC_NODES)}
EOR
@atom_entry_parents = [[]]
@atom_entry_source = make_entry_document(<<-EOR, {DC_PREFIX => DC_URI})
#{DC_NODES}
EOR
end
def test_parser
rss10_maker = Proc.new do |content, xmlns|
make_RDF(<<-EOR, xmlns)
#{make_channel(content)}
#{make_image(content)}
#{make_item(content)}
#{make_textinput(content)}
EOR
end
assert_dc_parse(@rss10_source, @rss10_parents, false, &rss10_maker)
assert_dc_parse(@rss10_source, @rss10_parents, true, &rss10_maker)
rss20_maker = Proc.new do |content, xmlns|
make_rss20(<<-EOR, xmlns)
#{make_channel20(content + make_item20(content))}
EOR
end
assert_dc_parse(@rss20_source, @rss20_parents, false, &rss20_maker)
assert_dc_parse(@rss20_source, @rss20_parents, true, &rss20_maker)
atom_feed_maker = Proc.new do |content, xmlns|
make_feed(<<-EOR, xmlns)
#{content}
#{make_entry(content)}
EOR
end
assert_dc_parse(@atom_feed_source, @atom_feed_parents, false,
&atom_feed_maker)
assert_dc_parse(@atom_feed_source, @atom_feed_parents, true,
&atom_feed_maker)
atom_entry_maker = Proc.new do |content, xmlns|
make_entry_document(<<-EOR, xmlns)
#{content}
EOR
end
assert_dc_parse(@atom_entry_source, @atom_entry_parents, false,
&atom_entry_maker)
assert_dc_parse(@atom_entry_source, @atom_entry_parents, true,
&atom_entry_maker)
end
def test_singular_accessor
assert_dc_singular_accessor(@rss10_source, @rss10_parents)
assert_dc_singular_accessor(@rss20_source, @rss20_parents)
assert_dc_singular_accessor(@atom_feed_source, @atom_feed_parents)
assert_dc_singular_accessor(@atom_entry_source, @atom_entry_parents)
end
def test_plural_accessor
assert_dc_plural_accessor(@rss10_source, @rss10_parents, false)
assert_dc_plural_accessor(@rss10_source, @rss10_parents, true)
assert_dc_plural_accessor(@rss20_source, @rss20_parents, false)
assert_dc_plural_accessor(@rss20_source, @rss20_parents, true)
assert_dc_plural_accessor(@atom_feed_source, @atom_feed_parents, false)
assert_dc_plural_accessor(@atom_feed_source, @atom_feed_parents, true)
assert_dc_plural_accessor(@atom_entry_source, @atom_entry_parents, false)
assert_dc_plural_accessor(@atom_entry_source, @atom_entry_parents, true)
end
def test_to_s
assert_dc_to_s(@rss10_source, @rss10_parents, false)
assert_dc_to_s(@rss10_source, @rss10_parents, true)
targets = ["channel", "channel/item[3]"]
assert_dc_to_s(@rss20_source, @rss20_parents, false, targets)
assert_dc_to_s(@rss20_source, @rss20_parents, true, targets)
targets = [".", "entry"]
assert_dc_to_s(@atom_feed_source, @atom_feed_parents, false, targets)
assert_dc_to_s(@atom_feed_source, @atom_feed_parents, true, targets)
targets = ["."]
assert_dc_to_s(@atom_entry_source, @atom_entry_parents, false, targets)
assert_dc_to_s(@atom_entry_source, @atom_entry_parents, true, targets)
end
private
def dc_plural_suffix(name, check_backward_compatibility)
if name == :rights
if check_backward_compatibility
"es"
else
"_list"
end
else
"s"
end
end
def assert_dc_parse(source, parents, check_backward_compatibility, &maker)
assert_nothing_raised do
Parser.parse(source)
end
DC_ELEMENTS.each do |name, value|
parents.each do |parent_readers|
feed = nil
assert_nothing_raised do
tag = "#{DC_PREFIX}:#{name}"
dc_content = "<#{tag}>#{value}</#{tag}>\n"
dc_content *= 2
feed = Parser.parse(maker.call(dc_content, {DC_PREFIX => DC_URI}))
end
parent = chain_reader(feed, parent_readers)
plural_suffix = dc_plural_suffix(name, check_backward_compatibility)
plural_reader = "dc_#{name}#{plural_suffix}"
values = parent.__send__(plural_reader).collect(&:value)
value = CGI.unescapeHTML(value) if value.kind_of?(String)
assert_equal([value, value], values)
end
end
end
def assert_dc_singular_accessor(source, parents)
feed = Parser.parse(source)
new_value = "hoge"
parents.each do |parent_readers|
parent = chain_reader(feed, parent_readers)
DC_ELEMENTS.each do |name, value|
parsed_value = parent.__send__("dc_#{name}")
value = CGI.unescapeHTML(value) if value.kind_of?(String)
assert_equal(value, parsed_value)
if name == :date
t = Time.iso8601("2003-01-01T02:30:23+09:00")
class << t
alias_method(:to_s, :iso8601)
end
parent.__send__("dc_#{name}=", t.iso8601)
assert_equal(t, parent.__send__("dc_#{name}"))
if parent.class.method_defined?(:date_without_dc_date=)
assert_nil(parent.date)
else
assert_equal(t, parent.date)
end
parent.date = value
assert_equal(value, parent.date)
assert_equal(value, parent.__send__("dc_#{name}"))
else
parent.__send__("dc_#{name}=", new_value)
assert_equal(new_value, parent.__send__("dc_#{name}"))
end
end
end
end
def assert_dc_plural_accessor(source, parents, check_backward_compatibility)
feed = Parser.parse(source)
new_value = "hoge"
DC_ELEMENTS.each do |name, value|
parents.each do |parent_readers|
parent = chain_reader(feed, parent_readers)
parsed_value = parent.__send__("dc_#{name}")
value = CGI.unescapeHTML(value) if value.kind_of?(String)
assert_equal(value, parsed_value)
plural_suffix = dc_plural_suffix(name, check_backward_compatibility)
plural_reader = "dc_#{name}#{plural_suffix}"
klass_name = "DublinCore#{Utils.to_class_name(name.to_s)}"
klass = DublinCoreModel.const_get(klass_name)
if name == :date
t = Time.iso8601("2003-01-01T02:30:23+09:00")
class << t
alias_method(:to_s, :iso8601)
end
elems = parent.__send__(plural_reader)
elems << klass.new(t.iso8601)
new_elems = parent.__send__(plural_reader)
values = new_elems.collect{|x| x.value}
assert_equal([parent.__send__("dc_#{name}"), t], values)
else
elems = parent.__send__(plural_reader)
elems << klass.new(new_value)
new_elems = parent.__send__(plural_reader)
values = new_elems.collect{|x| x.value}
assert_equal([parent.__send__("dc_#{name}"), new_value],
values)
end
end
end
end
def assert_dc_to_s(source, parents, check_backward_compatibility,
targets=nil)
feed = Parser.parse(source)
DC_ELEMENTS.each do |name, value|
excepted = "<#{DC_PREFIX}:#{name}>#{value}</#{DC_PREFIX}:#{name}>"
parents.each do |parent_readers|
parent = chain_reader(feed, parent_readers)
assert_equal(excepted, parent.__send__("dc_#{name}_elements"))
end
plural_suffix = dc_plural_suffix(name, check_backward_compatibility)
reader = "dc_#{name}#{plural_suffix}"
excepted = Array.new(2, excepted).join("\n")
parents.each do |parent_readers|
parent = chain_reader(feed, parent_readers)
elems = parent.__send__(reader)
klass_name = "DublinCore#{Utils.to_class_name(name.to_s)}"
klass = DublinCoreModel.const_get(klass_name)
elems << klass.new(parent.__send__("dc_#{name}"))
assert_equal(excepted, parent.__send__("dc_#{name}_elements"))
end
end
targets ||= parents.collect do |parent_readers|
parent_readers.first
end
feed_root = REXML::Document.new(source).root
targets.each do |target_xpath|
parent = feed_root.elements[target_xpath]
parent.each_element do |elem|
if elem.namespace == DC_URI
assert_equal(elem.text,
CGI.unescapeHTML(DC_ELEMENTS[elem.name.intern].to_s))
end
end
end
end
end
end
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