mirror of
https://github.com/lunarmodules/luasocket.git
synced 2024-11-14 01:08:21 +01:00
300 lines
9.3 KiB
Lua
300 lines
9.3 KiB
Lua
local ltn12 = require("ltn12")
|
|
|
|
dofile("testsupport.lua")
|
|
|
|
local function format(chunk)
|
|
if chunk then
|
|
if chunk == "" then return "''"
|
|
else return string.len(chunk) end
|
|
else return "nil" end
|
|
end
|
|
|
|
local function show(name, input, output)
|
|
local sin = format(input)
|
|
local sout = format(output)
|
|
io.write(name, ": ", sin, " -> ", sout, "\n")
|
|
end
|
|
|
|
local function chunked(length)
|
|
local tmp
|
|
return function(chunk)
|
|
local ret
|
|
if chunk and chunk ~= "" then
|
|
tmp = chunk
|
|
end
|
|
ret = string.sub(tmp, 1, length)
|
|
tmp = string.sub(tmp, length+1)
|
|
if not chunk and ret == "" then ret = nil end
|
|
return ret
|
|
end
|
|
end
|
|
|
|
local function named(f, name)
|
|
return function(chunk)
|
|
local ret = f(chunk)
|
|
show(name, chunk, ret)
|
|
return ret
|
|
end
|
|
end
|
|
|
|
--------------------------------
|
|
local function split(size)
|
|
local buffer = ""
|
|
local last_out = ""
|
|
local last_in = ""
|
|
local function output(chunk)
|
|
local part = string.sub(buffer, 1, size)
|
|
buffer = string.sub(buffer, size+1)
|
|
last_out = (part ~= "" or chunk) and part
|
|
last_in = chunk
|
|
return last_out
|
|
end
|
|
return function(chunk, done)
|
|
if done then
|
|
return not last_in and not last_out
|
|
end
|
|
-- check if argument is consistent with state
|
|
if not chunk then
|
|
if last_in and last_in ~= "" and last_out ~= "" then
|
|
error("nil chunk following data chunk", 2)
|
|
end
|
|
if not last_out then error("extra nil chunk", 2) end
|
|
return output(chunk)
|
|
elseif chunk == "" then
|
|
if last_out == "" then error('extra "" chunk', 2) end
|
|
if not last_out then error('"" chunk following nil return', 2) end
|
|
if not last_in then error('"" chunk following nil chunk', 2) end
|
|
return output(chunk)
|
|
else
|
|
if not last_in then error("data chunk following nil chunk", 2) end
|
|
if last_in ~= "" and last_out ~= "" then
|
|
error("data chunk following data chunk", 2)
|
|
end
|
|
buffer = chunk
|
|
return output(chunk)
|
|
end
|
|
end
|
|
end
|
|
|
|
--------------------------------
|
|
local function format(chunk)
|
|
if chunk then
|
|
if chunk == "" then return "''"
|
|
else return string.len(chunk) end
|
|
else return "nil" end
|
|
end
|
|
|
|
--------------------------------
|
|
local function merge(size)
|
|
local buffer = ""
|
|
local last_out = ""
|
|
local last_in = ""
|
|
local function output(chunk)
|
|
local part
|
|
if string.len(buffer) >= size or not chunk then
|
|
part = buffer
|
|
buffer = ""
|
|
else
|
|
part = ""
|
|
end
|
|
last_out = (part ~= "" or chunk) and part
|
|
last_in = chunk
|
|
return last_out
|
|
end
|
|
return function(chunk, done)
|
|
if done then
|
|
return not last_in and not last_out
|
|
end
|
|
-- check if argument is consistent with state
|
|
if not chunk then
|
|
if last_in and last_in ~= "" and last_out ~= "" then
|
|
error("nil chunk following data chunk", 2)
|
|
end
|
|
if not last_out then error("extra nil chunk", 2) end
|
|
return output(chunk)
|
|
elseif chunk == "" then
|
|
if last_out == "" then error('extra "" chunk', 2) end
|
|
if not last_out then error('"" chunk following nil return', 2) end
|
|
if not last_in then error('"" chunk following nil chunk', 2) end
|
|
return output(chunk)
|
|
else
|
|
if not last_in then error("data chunk following nil chunk", 2) end
|
|
if last_in ~= "" and last_out ~= "" then
|
|
error("data chunk following data chunk", 2)
|
|
end
|
|
buffer = buffer .. chunk
|
|
return output(chunk)
|
|
end
|
|
end
|
|
end
|
|
|
|
--------------------------------
|
|
io.write("testing sink.table: ")
|
|
local sink, t = ltn12.sink.table()
|
|
local s, c = "", ""
|
|
for i = 0, 10 do
|
|
c = string.rep(string.char(i), i)
|
|
s = s .. c
|
|
assert(sink(c), "returned error")
|
|
end
|
|
assert(sink(nil), "returned error")
|
|
assert(table.concat(t) == s, "mismatch")
|
|
print("ok")
|
|
|
|
--------------------------------
|
|
io.write("testing sink.chain (with split): ")
|
|
sink, t = ltn12.sink.table()
|
|
local filter = split(3)
|
|
sink = ltn12.sink.chain(filter, sink)
|
|
s = "123456789012345678901234567890"
|
|
assert(sink(s), "returned error")
|
|
assert(sink(s), "returned error")
|
|
assert(sink(nil), "returned error")
|
|
assert(table.concat(t) == s .. s, "mismatch")
|
|
assert(filter(nil, 1), "filter not empty")
|
|
print("ok")
|
|
|
|
--------------------------------
|
|
io.write("testing sink.chain (with merge): ")
|
|
sink, t = ltn12.sink.table()
|
|
filter = merge(10)
|
|
sink = ltn12.sink.chain(filter, sink)
|
|
s = string.rep("123", 30)
|
|
s = s .. string.rep("4321", 30)
|
|
for i = 1, 30 do
|
|
assert(sink("123"), "returned error")
|
|
end
|
|
for i = 1, 30 do
|
|
assert(sink("4321"), "returned error")
|
|
end
|
|
assert(sink(nil), "returned error")
|
|
assert(filter(nil, 1), "filter not empty")
|
|
assert(table.concat(t) == s, "mismatch")
|
|
print("ok")
|
|
|
|
--------------------------------
|
|
io.write("testing source.string and pump.all: ")
|
|
local source = ltn12.source.string(s)
|
|
sink, t = ltn12.sink.table()
|
|
assert(ltn12.pump.all(source, sink), "returned error")
|
|
assert(table.concat(t) == s, "mismatch")
|
|
print("ok")
|
|
|
|
--------------------------------
|
|
io.write("testing source.chain (with split): ")
|
|
source = ltn12.source.string(s)
|
|
filter = split(5)
|
|
source = ltn12.source.chain(source, filter)
|
|
sink, t = ltn12.sink.table()
|
|
assert(ltn12.pump.all(source, sink), "returned error")
|
|
assert(table.concat(t) == s, "mismatch")
|
|
assert(filter(nil, 1), "filter not empty")
|
|
print("ok")
|
|
|
|
--------------------------------
|
|
io.write("testing source.chain (with several filters): ")
|
|
local function double(x) -- filter turning "ABC" into "AABBCC"
|
|
if not x then return end
|
|
local b={}
|
|
for k in x:gmatch'.' do table.insert(b, k..k) end
|
|
return table.concat(b)
|
|
end
|
|
source = ltn12.source.string(s)
|
|
source = ltn12.source.chain(source, double, double, double)
|
|
sink, t = ltn12.sink.table()
|
|
assert(ltn12.pump.all(source, sink), "returned error")
|
|
assert(table.concat(t) == double(double(double(s))), "mismatch")
|
|
print("ok")
|
|
|
|
--------------------------------
|
|
io.write("testing source.chain (with split) and sink.chain (with merge): ")
|
|
source = ltn12.source.string(s)
|
|
filter = split(5)
|
|
source = ltn12.source.chain(source, filter)
|
|
local filter2 = merge(13)
|
|
sink, t = ltn12.sink.table()
|
|
sink = ltn12.sink.chain(filter2, sink)
|
|
assert(ltn12.pump.all(source, sink), "returned error")
|
|
assert(table.concat(t) == s, "mismatch")
|
|
assert(filter(nil, 1), "filter not empty")
|
|
assert(filter2(nil, 1), "filter2 not empty")
|
|
print("ok")
|
|
|
|
--------------------------------
|
|
io.write("testing sink.chain (with several filters): ")
|
|
source = ltn12.source.string(s)
|
|
sink, t = ltn12.sink.table()
|
|
sink = ltn12.sink.chain(double, double, double, sink)
|
|
assert(ltn12.pump.all(source, sink), "returned error")
|
|
assert(table.concat(t) == double(double(double(s))), "mismatch")
|
|
print("ok")
|
|
|
|
--------------------------------
|
|
io.write("testing filter.chain (and sink.chain, with split, merge): ")
|
|
source = ltn12.source.string(s)
|
|
filter = split(5)
|
|
filter2 = merge(13)
|
|
local chain = ltn12.filter.chain(filter, filter2)
|
|
sink, t = ltn12.sink.table()
|
|
sink = ltn12.sink.chain(chain, sink)
|
|
assert(ltn12.pump.all(source, sink), "returned error")
|
|
assert(table.concat(t) == s, "mismatch")
|
|
assert(filter(nil, 1), "filter not empty")
|
|
assert(filter2(nil, 1), "filter2 not empty")
|
|
print("ok")
|
|
|
|
--------------------------------
|
|
io.write("testing filter.chain (and sink.chain, a bunch): ")
|
|
source = ltn12.source.string(s)
|
|
filter = split(5)
|
|
filter2 = merge(13)
|
|
local filter3 = split(7)
|
|
local filter4 = merge(11)
|
|
local filter5 = split(10)
|
|
chain = ltn12.filter.chain(filter, filter2, filter3, filter4, filter5)
|
|
sink, t = ltn12.sink.table()
|
|
sink = ltn12.sink.chain(chain, sink)
|
|
assert(ltn12.pump.all(source, sink))
|
|
assert(table.concat(t) == s, "mismatch")
|
|
assert(filter(nil, 1), "filter not empty")
|
|
assert(filter2(nil, 1), "filter2 not empty")
|
|
assert(filter3(nil, 1), "filter3 not empty")
|
|
assert(filter4(nil, 1), "filter4 not empty")
|
|
assert(filter5(nil, 1), "filter5 not empty")
|
|
print("ok")
|
|
|
|
--------------------------------
|
|
io.write("testing filter.chain (and source.chain, with split, merge): ")
|
|
source = ltn12.source.string(s)
|
|
filter = split(5)
|
|
filter2 = merge(13)
|
|
local chain = ltn12.filter.chain(filter, filter2)
|
|
sink, t = ltn12.sink.table()
|
|
source = ltn12.source.chain(source, chain)
|
|
assert(ltn12.pump.all(source, sink), "returned error")
|
|
assert(table.concat(t) == s, "mismatch")
|
|
assert(filter(nil, 1), "filter not empty")
|
|
assert(filter2(nil, 1), "filter2 not empty")
|
|
print("ok")
|
|
|
|
--------------------------------
|
|
io.write("testing filter.chain (and source.chain, a bunch): ")
|
|
source = ltn12.source.string(s)
|
|
filter = split(5)
|
|
filter2 = merge(13)
|
|
local filter3 = split(7)
|
|
local filter4 = merge(11)
|
|
local filter5 = split(10)
|
|
chain = ltn12.filter.chain(filter, filter2, filter3, filter4, filter5)
|
|
sink, t = ltn12.sink.table()
|
|
source = ltn12.source.chain(source, chain)
|
|
assert(ltn12.pump.all(source, sink))
|
|
assert(table.concat(t) == s, "mismatch")
|
|
assert(filter(nil, 1), "filter not empty")
|
|
assert(filter2(nil, 1), "filter2 not empty")
|
|
assert(filter3(nil, 1), "filter3 not empty")
|
|
assert(filter4(nil, 1), "filter4 not empty")
|
|
assert(filter5(nil, 1), "filter5 not empty")
|
|
print("ok")
|
|
|