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require 'em_test_helper'
require 'tempfile'
class TestSendFile < Test::Unit::TestCase
if EM.respond_to?(:send_file_data)
module TestModule
def initialize filename
@filename = filename
end
def post_init
send_file_data @filename
close_connection_after_writing
end
end
module TestClient
def data_to(&blk)
@data_to = blk
end
def receive_data(data)
@data_to.call(data) if @data_to
end
def unbind
EM.stop
end
end
def setup
@file = Tempfile.new("em_test_file")
@filename = @file.path
@port = next_port
end
def test_send_file
File.open( @filename, "w" ) {|f|
f << ("A" * 5000)
}
data = ''
EM.run {
EM.start_server "127.0.0.1", @port, TestModule, @filename
setup_timeout
EM.connect "127.0.0.1", @port, TestClient do |c|
c.data_to { |d| data << d }
end
}
assert_equal( "A" * 5000, data )
end
# EM::Connection#send_file_data has a strict upper limit on the filesize it will work with.
def test_send_large_file
File.open( @filename, "w" ) {|f|
f << ("A" * 1000000)
}
data = ''
assert_raises(RuntimeError) {
EM.run {
EM.start_server "127.0.0.1", @port, TestModule, @filename
setup_timeout
EM.connect "127.0.0.1", @port, TestClient do |c|
c.data_to { |d| data << d }
end
}
}
end
module StreamTestModule
def initialize filename
@filename = filename
end
def post_init
EM::Deferrable.future( stream_file_data(@filename)) {
close_connection_after_writing
}
end
end
module ChunkStreamTestModule
def initialize filename
@filename = filename
end
def post_init
EM::Deferrable.future( stream_file_data(@filename, :http_chunks=>true)) {
close_connection_after_writing
}
end
end
def test_stream_file_data
File.open( @filename, "w" ) {|f|
f << ("A" * 1000)
}
data = ''
EM.run {
EM.start_server "127.0.0.1", @port, StreamTestModule, @filename
setup_timeout
EM.connect "127.0.0.1", @port, TestClient do |c|
c.data_to { |d| data << d }
end
}
assert_equal( "A" * 1000, data )
end
def test_stream_chunked_file_data
File.open( @filename, "w" ) {|f|
f << ("A" * 1000)
}
data = ''
EM.run {
EM.start_server "127.0.0.1", @port, ChunkStreamTestModule, @filename
setup_timeout
EM.connect "127.0.0.1", @port, TestClient do |c|
c.data_to { |d| data << d }
end
}
assert_equal( "3e8\r\n#{"A" * 1000}\r\n0\r\n\r\n", data )
end
module BadFileTestModule
def initialize filename
@filename = filename
end
def post_init
de = stream_file_data( @filename+".wrong" )
de.errback {|msg|
send_data msg
close_connection_after_writing
}
end
end
def test_stream_bad_file
data = ''
EM.run {
EM.start_server "127.0.0.1", @port, BadFileTestModule, @filename
setup_timeout(5)
EM.connect "127.0.0.1", @port, TestClient do |c|
c.data_to { |d| data << d }
end
}
assert_equal( "file not found", data )
end
else
warn "EM.send_file_data not implemented, skipping tests in #{__FILE__}"
# Because some rubies will complain if a TestCase class has no tests
def test_em_send_file_data_not_implemented
assert !EM.respond_to?(:send_file_data)
end
end
begin
require 'fastfilereaderext'
def test_stream_large_file_data
File.open( @filename, "w" ) {|f|
f << ("A" * 10000)
}
data = ''
EM.run {
EM.start_server "127.0.0.1", @port, StreamTestModule, @filename
setup_timeout
EM.connect "127.0.0.1", @port, TestClient do |c|
c.data_to { |d| data << d }
end
}
assert_equal( "A" * 10000, data )
end
def test_stream_large_chunked_file_data
File.open( @filename, "w" ) {|f|
f << ("A" * 100000)
}
data = ''
EM.run {
EM.start_server "127.0.0.1", @port, ChunkStreamTestModule, @filename
setup_timeout
EM.connect "127.0.0.1", @port, TestClient do |c|
c.data_to { |d| data << d }
end
}
expected = [
"4000\r\n#{"A" * 16384}\r\n" * 6,
"6a0\r\n#{"A" * 0x6a0}\r\n",
"0\r\n\r\n"
].join
assert_equal( expected, data )
end
rescue LoadError
warn "require 'fastfilereaderext' failed, skipping tests in #{__FILE__}"
end
end
|
