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#!/usr/bin/env ruby
require 'test/unit'
require 'plist'
require 'stringio'
class MarshalableObject
attr_accessor :foo
def initialize(str)
@foo = str
end
end
class TestDataElements < Test::Unit::TestCase
def setup
@result = Plist.parse_xml( 'test/assets/test_data_elements.plist' )
end
def test_data_object_header
expected = <<END
<!-- The <data> element below contains a Ruby object which has been serialized with Marshal.dump. -->
<data>
BAhvOhZNYXJzaGFsYWJsZU9iamVjdAY6CUBmb28iHnRoaXMgb2JqZWN0IHdhcyBtYXJz
aGFsZWQ=
</data>
END
expected_elements = expected.chomp.split( "\n" )
actual = Plist::Emit.dump( Object.new, false )
actual_elements = actual.chomp.split( "\n" )
# check for header
assert_equal expected_elements.shift, actual_elements.shift
# check for opening and closing data tags
assert_equal expected_elements.shift, actual_elements.shift
assert_equal expected_elements.pop, actual_elements.pop
end
def test_marshal_round_trip
expected = MarshalableObject.new('this object was marshaled')
actual = Plist.parse_xml( Plist::Emit.dump(expected, false) )
assert_kind_of expected.class, actual
assert_equal expected.foo, actual.foo
end
def test_generator_io_and_file
expected = <<END
<data>
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
</data>
END
expected.chomp!
fd = IO.sysopen('test/assets/example_data.bin')
io = IO.open(fd, 'r')
# File is a subclass of IO, so catching IO in the dispatcher should work for File as well...
f = File.open('test/assets/example_data.bin')
assert_equal expected, Plist::Emit.dump(io, false).chomp
assert_equal expected, Plist::Emit.dump(f, false).chomp
assert_instance_of StringIO, @result['io']
assert_instance_of StringIO, @result['file']
io.rewind
f.rewind
assert_equal io.read, @result['io'].read
assert_equal f.read, @result['file'].read
io.close
f.close
end
def test_generator_string_io
expected = <<END
<data>
dGhpcyBpcyBhIHN0cmluZ2lvIG9iamVjdA==
</data>
END
sio = StringIO.new('this is a stringio object')
assert_equal expected.chomp, Plist::Emit.dump(sio, false).chomp
assert_instance_of StringIO, @result['stringio']
sio.rewind
assert_equal sio.read, @result['stringio'].read
end
# this functionality is credited to Mat Schaffer,
# who discovered the plist with the data tag
# supplied the test data, and provided the parsing code.
def test_data
# test reading plist <data> elements
data = Plist::parse_xml("test/assets/example_data.plist");
assert_equal( File.open("test/assets/example_data.jpg"){|f| f.read }, data['image'].read )
# test writing data elements
expected = File.read("test/assets/example_data.plist")
result = data.to_plist
#File.open('result.plist', 'w') {|f|f.write(result)} # debug
assert_equal( expected, result )
# Test changing the <data> object in the plist to a StringIO and writing.
# This appears extraneous given that plist currently returns a StringIO,
# so the above writing test also flexes StringIO#to_plist_node.
# However, the interface promise is to return an IO, not a particular class.
# plist used to return Tempfiles, which was changed solely for performance reasons.
data['image'] = StringIO.new( File.read("test/assets/example_data.jpg"))
assert_equal(expected, data.to_plist )
end
end
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