112 lines
3.0 KiB
Ruby
112 lines
3.0 KiB
Ruby
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require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
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require 'stringio'
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class CompositeReadIOTest < Faraday::TestCase
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Part = Struct.new(:to_io) do
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def length() to_io.string.length end
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end
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def part(str)
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Part.new StringIO.new(str)
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end
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def composite_io(*parts)
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Faraday::CompositeReadIO.new(*parts)
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end
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def test_empty
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io = composite_io
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assert_equal 0, io.length
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assert_equal "", io.read
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end
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def test_empty_returns_nil_for_limited_read
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assert_nil composite_io.read(1)
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end
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def test_empty_parts_returns_nil_for_limited_read
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io = composite_io(part(""), part(""))
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assert_nil io.read(1)
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end
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def test_multipart_read_all
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io = composite_io(part("abcd"), part("1234"))
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assert_equal 8, io.length
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assert_equal "abcd1234", io.read
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end
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def test_multipart_read_limited
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io = composite_io(part("abcd"), part("1234"))
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assert_equal "abc", io.read(3)
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assert_equal "d12", io.read(3)
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assert_equal "34", io.read(3)
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assert_equal nil, io.read(3)
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assert_equal nil, io.read(3)
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end
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def test_multipart_read_limited_size_larger_than_part
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io = composite_io(part("abcd"), part("1234"))
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assert_equal "abcd12", io.read(6)
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assert_equal "34", io.read(6)
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assert_equal nil, io.read(6)
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end
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def test_multipart_read_with_blank_parts
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io = composite_io(part(""), part("abcd"), part(""), part("1234"), part(""))
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assert_equal "abcd12", io.read(6)
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assert_equal "34", io.read(6)
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assert_equal nil, io.read(6)
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end
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def test_multipart_rewind
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io = composite_io(part("abcd"), part("1234"))
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assert_equal "abc", io.read(3)
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assert_equal "d12", io.read(3)
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io.rewind
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assert_equal "abc", io.read(3)
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assert_equal "d1234", io.read(5)
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assert_equal nil, io.read(3)
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io.rewind
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assert_equal "ab", io.read(2)
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end
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# JRuby enforces types to copy_stream to be String or IO
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if IO.respond_to?(:copy_stream) && !jruby?
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def test_compatible_with_copy_stream
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target_io = StringIO.new
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def target_io.ensure_open_and_writable
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# Rubinius compatibility
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end
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io = composite_io(part("abcd"), part("1234"))
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Faraday::Timer.timeout(1) do
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IO.copy_stream(io, target_io)
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end
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assert_equal "abcd1234", target_io.string
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end
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end
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unless RUBY_VERSION < '1.9'
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def test_read_from_multibyte
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File.open(File.dirname(__FILE__) + '/multibyte.txt') do |utf8|
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io = composite_io(part("\x86"), Part.new(utf8))
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assert_equal bin("\x86\xE3\x83\x95\xE3\x82\xA1\xE3\x82\xA4\xE3\x83\xAB\n"), io.read
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end
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end
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def test_limited_from_multibyte
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File.open(File.dirname(__FILE__) + '/multibyte.txt') do |utf8|
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io = composite_io(part("\x86"), Part.new(utf8))
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assert_equal bin("\x86\xE3\x83"), io.read(3)
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assert_equal bin("\x95\xE3\x82"), io.read(3)
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assert_equal bin("\xA1\xE3\x82\xA4\xE3\x83\xAB\n"), io.read(8)
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end
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end
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end
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def bin(str)
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str.force_encoding("BINARY") if str.respond_to?(:force_encoding)
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str
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end
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end
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