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# frozen_string_literal: true
require "test/unit"
require "net/protocol"
require "stringio"
class TestProtocol < Test::Unit::TestCase
def test_should_properly_dot_stuff_period_with_no_endline
bug9627 = '[ruby-core:61441] [Bug #9627]'
sio = StringIO.new("".dup)
imio = Net::InternetMessageIO.new(sio)
email = "To: [email protected]\nlook, a period with no endline\n."
imio.write_message(email)
assert_equal("To: [email protected]\r\nlook, a period with no endline\r\n..\r\n.\r\n", sio.string, bug9627)
end
def test_each_crlf_line
assert_output('', '') do
sio = StringIO.new("".dup)
imio = Net::InternetMessageIO.new(sio)
assert_equal(23, imio.write_message("\u3042\r\u3044\n\u3046\r\n\u3048"))
assert_equal("\u3042\r\n\u3044\r\n\u3046\r\n\u3048\r\n.\r\n", sio.string)
sio = StringIO.new("".dup)
imio = Net::InternetMessageIO.new(sio)
assert_equal(8, imio.write_message("\u3042\r"))
assert_equal("\u3042\r\n.\r\n", sio.string)
end
end
def create_mockio(capacity: 100, max: nil)
mockio = Object.new
mockio.instance_variable_set(:@str, +'')
mockio.instance_variable_set(:@capacity, capacity)
mockio.instance_variable_set(:@max, max)
def mockio.string; @str; end
def mockio.to_io; self; end
def mockio.wait_writable(sec); sleep sec; false; end
def mockio.write_nonblock(*strs, exception: true)
if @capacity <= @str.bytesize
if exception
raise Net::WaitWritable
else
return :wait_writable
end
end
len = 0
max = @max ? [@capacity, @str.bytesize + @max].min : @capacity
strs.each do |str|
len1 = @str.bytesize
break if max <= len1
@str << str.byteslice(0, max - @str.bytesize)
len2 = @str.bytesize
len += len2 - len1
end
len
end
mockio
end
def test_readuntil
assert_output("", "") do
sio = StringIO.new("12345".dup)
io = Net::BufferedIO.new(sio)
assert_equal "12345", io.readuntil("5")
end
end
def test_write0_multibyte
mockio = create_mockio(max: 1)
io = Net::BufferedIO.new(mockio)
assert_equal(3, io.write("\u3042"))
end
def test_write0_timeout
mockio = create_mockio
io = Net::BufferedIO.new(mockio)
io.write_timeout = 0.1
assert_raise(Net::WriteTimeout){ io.write("a"*1000) }
end
def test_write0_success
mockio = create_mockio
io = Net::BufferedIO.new(mockio)
io.write_timeout = 0.1
len = io.write("a"*10)
assert_equal "a"*10, mockio.string
assert_equal 10, len
end
def test_write0_success2
mockio = create_mockio
io = Net::BufferedIO.new(mockio)
io.write_timeout = 0.1
len = io.write("a"*100)
assert_equal "a"*100, mockio.string
assert_equal 100, len
end
def test_write0_success_multi1
mockio = create_mockio
io = Net::BufferedIO.new(mockio)
io.write_timeout = 0.1
len = io.write("a"*50, "a"*49)
assert_equal "a"*99, mockio.string
assert_equal 99, len
end
def test_write0_success_multi2
mockio = create_mockio
io = Net::BufferedIO.new(mockio)
io.write_timeout = 0.1
len = io.write("a"*50, "a"*50)
assert_equal "a"*100, mockio.string
assert_equal 100, len
end
def test_write0_timeout_multi1
mockio = create_mockio
io = Net::BufferedIO.new(mockio)
io.write_timeout = 0.1
assert_raise(Net::WriteTimeout){ io.write("a"*50,"a"*51) }
end
def test_write0_timeout_multi2
mockio = create_mockio
io = Net::BufferedIO.new(mockio)
io.write_timeout = 0.1
assert_raise(Net::WriteTimeout){ io.write("a"*50,"a"*50,"a") }
end
class FakeReadPartialIO
def initialize(chunks)
@chunks = chunks.map(&:dup)
end
def read_nonblock(size, buf = nil, exception: false)
if buf
buf.replace(@chunks.shift)
buf
else
@chunks.shift
end
end
end
def test_shareable_buffer_leak # https://github.com/ruby/net-protocol/pull/19
expected_chunks = [
"aaaaa",
"bbbbb",
]
fake_io = FakeReadPartialIO.new(expected_chunks)
io = Net::BufferedIO.new(fake_io)
actual_chunks = []
reader = Net::ReadAdapter.new(-> (chunk) { actual_chunks << chunk })
io.read(5, reader)
io.read(5, reader)
assert_equal expected_chunks, actual_chunks
end
end
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