https://github.com/JuliaLang/julia
Tip revision: b06a24a7eed4464e50f4ee594c3a303ad543c42b authored by Dilum Aluthge on 02 October 2022, 20:30:28 UTC
[`release-1.7` branch] CI (Buildkite): remove the `.buildkite` folder (#44378)
[`release-1.7` branch] CI (Buildkite): remove the `.buildkite` folder (#44378)
Tip revision: b06a24a
read.jl
# This file is a part of Julia. License is MIT: https://julialang.org/license
using DelimitedFiles, Random, Sockets
mktempdir() do dir
tasks = []
# Create test file
filename = joinpath(dir, "file.txt")
text = "C1,C2\n1,2\na,b\n"
# List of IO producers
l = Vector{Tuple{AbstractString,Function}}()
# File
io = (text) -> begin
write(filename, text)
Base.Filesystem.open(filename, Base.Filesystem.JL_O_RDONLY)
end
s = io(text)
@test isa(s, IO)
@test isa(s, Base.Filesystem.File)
close(s)
push!(l, ("File", io))
# IOStream
io = (text) -> begin
write(filename, text)
open(filename)
end
s = io(text)
@test isa(s, IO)
@test isa(s, IOStream)
close(s)
push!(l, ("IOStream", io))
# IOBuffer
io = (text)->IOBuffer(text)
s = io(text)
@test isa(s, IO)
@test isa(s, IOBuffer)
close(s)
push!(l, ("IOBuffer", io))
function run_test_server(srv, text)
push!(tasks, @async begin
try
sock = accept(srv)
try
write(sock, text)
catch e
if !(isa(e, Base.IOError) && e.code == Base.UV_EPIPE)
if !(isa(e, Base.IOError) && e.code == Base.UV_ECONNRESET)
rethrow()
end
end
finally
close(sock)
end
finally
close(srv)
end
end)
yield()
end
# TCPSocket
io = (text) -> begin
port, srv = listenany(rand(2000:4000))
run_test_server(srv, text)
connect(port)
end
s = io(text)
@test isa(s, IO)
@test isa(s, TCPSocket)
close(s)
push!(l, ("TCPSocket", io))
# PipeEndpoint
io = (text) -> begin
a = "\\\\.\\pipe\\uv-test-$(randstring(6))"
b = joinpath(dir, "socket-$(randstring(6))")
socketname = Sys.iswindows() ? a : b
srv = listen(socketname)
run_test_server(srv, text)
connect(socketname)
end
s = io(text)
@test isa(s, IO)
@test isa(s, Base.PipeEndpoint)
close(s)
push!(l, ("PipeEndpoint", io))
# Pipe (#14747)
io = (text) -> begin
write(filename, text)
# we can skip using shell_escape_wincmd, since ", ^, and % aren't legal in
# a filename, so unconditionally wrapping in " is sufficient (okay, that's
# a lie, since ^ and % actually are legal, but DOS is broken)
if Sys.iswindows()
cmd = Cmd(["cmd.exe", "/c type \"$(replace(filename, '/' => '\\'))\""])
cmd = Cmd(cmd; windows_verbatim=true)
cmd = pipeline(cmd, stderr=devnull)
else
cmd = `cat $filename`
end
open(cmd)
end
s = io(text)
@test isa(s, IO)
@test isa(s, Base.Process)
close(s)
push!(l, ("Process", io))
open_streams = []
function cleanup()
for s_ in open_streams
close(s_)
end
empty!(open_streams)
for tsk in tasks
wait(tsk)
end
empty!(tasks)
end
verbose = false
for (name, f) in l
local function io(text=text)
local s = f(text)
push!(open_streams, s)
return s
end
verbose && println("$name readuntil...")
for (t, s, m, kept) in [
("a", "ab", "a", "a"),
("b", "ab", "b", "b"),
("α", "αγ", "α", "α"),
("ab", "abc", "ab", "ab"),
("bc", "abc", "bc", "bc"),
("αβ", "αβγ", "αβ", "αβ"),
("aaabc", "ab", "aa", "aaab"),
("aaabc", "ac", "aaabc", "aaabc"),
("aaabc", "aab", "a", "aaab"),
("aaabc", "aac", "aaabc", "aaabc"),
("αααβγ", "αβ", "αα", "αααβ"),
("αααβγ", "ααβ", "α", "αααβ"),
("αααβγ", "αγ", "αααβγ", "αααβγ"),
("barbarbarians", "barbarian", "bar", "barbarbarian"),
("abcaabcaabcxl", "abcaabcx", "abca", "abcaabcaabcx"),
("abbaabbaabbabbaax", "abbaabbabbaax", "abba", "abbaabbaabbabbaax"),
("abbaabbabbaabbaabbabbaax", "abbaabbabbaax", "abbaabbabba", "abbaabbabbaabbaabbabbaax"),
]
local t, s, m, kept
@test readuntil(io(t), s) == m
@test readuntil(io(t), s, keep=true) == kept
@test readuntil(io(t), SubString(s, firstindex(s))) == m
@test readuntil(io(t), SubString(s, firstindex(s)), keep=true) == kept
@test readuntil(io(t), GenericString(s)) == m
@test readuntil(io(t), GenericString(s), keep=true) == kept
@test readuntil(io(t), unsafe_wrap(Vector{UInt8},s)) == unsafe_wrap(Vector{UInt8},m)
@test readuntil(io(t), unsafe_wrap(Vector{UInt8},s), keep=true) == unsafe_wrap(Vector{UInt8},kept)
@test readuntil(io(t), collect(s)::Vector{Char}) == Vector{Char}(m)
@test readuntil(io(t), collect(s)::Vector{Char}, keep=true) == Vector{Char}(kept)
end
cleanup()
write(filename, text)
verbose && println("$name read...")
@test read(io(), UInt8) == read(IOBuffer(text), UInt8)
@test read(io(), UInt8) == read(filename, UInt8)
@test read(io(), Int) == read(IOBuffer(text), Int)
@test read(io(), Int) == read(filename,Int)
s1 = io()
s2 = IOBuffer(text)
@test read!(s1, Vector{UInt32}(undef, 2)) == read!(s2, Vector{UInt32}(undef, 2))
@test !eof(s1)
@test read!(s1, Vector{UInt8}(undef, 5)) == read!(s2, Vector{UInt8}(undef, 5))
@test !eof(s1)
@test read!(s1, Vector{UInt8}(undef, 1)) == read!(s2, Vector{UInt8}(undef, 1))
@test eof(s1)
@test_throws EOFError read(s1, UInt8)
@test eof(s1)
close(s1)
close(s2)
verbose && println("$name eof...")
n = length(text) - 1
@test read!(io(), Vector{UInt8}(undef, n)) ==
read!(IOBuffer(text), Vector{UInt8}(undef, n))
@test (s = io(); read!(s, Vector{UInt8}(undef, n)); !eof(s))
n = length(text)
@test read!(io(), Vector{UInt8}(undef, n)) ==
read!(IOBuffer(text), Vector{UInt8}(undef, n))
@test (s = io(); read!(s, Vector{UInt8}(undef, n)); eof(s))
n = length(text) + 1
@test_throws EOFError read!(io(), Vector{UInt8}(undef, n))
@test_throws EOFError read!(io(), Vector{UInt8}(undef, n))
old_text = text
cleanup()
for text_ in [
old_text,
String(Char['A' + i % 52 for i in 1:(div(Base.SZ_UNBUFFERED_IO,2))]),
String(Char['A' + i % 52 for i in 1:( Base.SZ_UNBUFFERED_IO -1)]),
String(Char['A' + i % 52 for i in 1:( Base.SZ_UNBUFFERED_IO )]),
String(Char['A' + i % 52 for i in 1:( Base.SZ_UNBUFFERED_IO +1)])
]
text = text_
write(filename, text)
verbose && println("$name read(io, String)...")
@test read(io(), String) == text
@test read(io(), String) == read(filename, String)
verbose && println("$name read...")
@test read(io()) == unsafe_wrap(Vector{UInt8},text)
@test read(io()) == read(filename)
cleanup()
verbose && println("$name readbytes!...")
l = length(text)
for n = [1, 2, l-2, l-1, l, l+1, l+2]
a1 = Vector{UInt8}(undef, n)
a2 = Vector{UInt8}(undef, n)
s1 = io()
s2 = IOBuffer(text)
n1 = readbytes!(s1, a1)
n2 = readbytes!(s2, a2)
@test n1 == n2
@test length(a1) == length(a2)
@test a1[1:n1] == a2[1:n2]
@test n <= length(text) || eof(s1)
@test n <= length(text) || eof(s2)
cleanup()
end
verbose && println("$name read!...")
l = length(text)
for n = [1, 2, l-2, l-1, l]
@test read!(io(), Vector{UInt8}(undef, n)) ==
read!(IOBuffer(text), Vector{UInt8}(undef, n))
@test read!(io(), Vector{UInt8}(undef, n)) ==
read!(filename, Vector{UInt8}(undef, n))
cleanup()
end
@test_throws EOFError read!(io(), Vector{UInt8}(undef, length(text)+1))
verbose && println("$name readuntil...")
for keep in [false, true]
@test readuntil(io(), '\n', keep=keep) == readuntil(IOBuffer(text),'\n', keep=keep)
@test readuntil(io(), '\n', keep=keep) == readuntil(filename,'\n', keep=keep)
@test readuntil(io(), "\n", keep=keep) == readuntil(IOBuffer(text),"\n", keep=keep)
@test readuntil(io(), "\n", keep=keep) == readuntil(filename,"\n", keep=keep)
@test readuntil(io(), ',', keep=keep) == readuntil(IOBuffer(text),',', keep=keep)
@test readuntil(io(), ',', keep=keep) == readuntil(filename,',', keep=keep)
end
cleanup()
verbose && println("$name readline...")
@test readline(io(), keep=true) == readline(IOBuffer(text), keep=true)
@test readline(io(), keep=true) == readline(filename, keep=true)
verbose && println("$name readlines...")
@test readlines(io(), keep=true) == readlines(IOBuffer(text), keep=true)
@test readlines(io(), keep=true) == readlines(filename, keep=true)
@test readlines(io()) == readlines(IOBuffer(text))
@test readlines(io()) == readlines(filename)
@test collect(eachline(io(), keep=true)) == collect(eachline(IOBuffer(text), keep=true))
@test collect(eachline(io(), keep=true)) == collect(eachline(filename, keep=true))
@test collect(eachline(io())) == collect(eachline(IOBuffer(text)))
@test collect(@inferred(eachline(io()))) == collect(@inferred(eachline(filename))) #20351
cleanup()
verbose && println("$name readeach...")
@test collect(readeach(io(), Char)) == Vector{Char}(text)
@test collect(readeach(io(), UInt8)) == Vector{UInt8}(text)
cleanup()
verbose && println("$name countlines...")
@test countlines(io()) == countlines(IOBuffer(text))
verbose && println("$name readdlm...")
@test readdlm(io(), ',') == readdlm(IOBuffer(text), ',')
@test readdlm(io(), ',') == readdlm(filename, ',')
cleanup()
end
text = old_text
write(filename, text)
if !isa(io(), Union{Base.PipeEndpoint, Base.AbstractPipe, TCPSocket})
verbose && println("$name position...")
@test (s = io(); read!(s, Vector{UInt8}(undef, 4)); position(s)) == 4
verbose && println("$name seek...")
for n = 0:length(text)-1
@test readlines(seek(io(), n)) == readlines(seek(IOBuffer(text), n))
cleanup()
end
verbose && println("$name skip...")
for n = 0:length(text)-1
@test readlines(seek(io(), n)) == readlines(seek(IOBuffer(text), n))
@test readlines(skip(io(), n)) == readlines(skip(IOBuffer(text), n))
cleanup()
end
verbose && println("$name seekend...")
@test read(seekend(io()), String) == ""
end
verbose && println("$name write(::IOStream, ...)")
to = open("$filename.to", "w")
write(to, io())
close(to)
@test read("$filename.to", String) == text
verbose && println("$name write(filename, ...)")
write("$filename.to", io())
@test read("$filename.to", String) == text
verbose && println("$name write(::IOBuffer, ...)")
to = IOBuffer(Vector{UInt8}(codeunits(text)), read=false, write=true)
write(to, io())
@test String(take!(to)) == text
cleanup()
end
function test_read_nbyte()
fn = tempname()
# Write one byte. One byte read should work once
# but 2-byte read should throw EOFError.
open(fn, "w+") do f
write(f, 0x55)
flush(f)
seek(f, 0)
@test read(f, UInt8) == 0x55
@test_throws EOFError read(f, UInt8)
seek(f, 0)
@test_throws EOFError read(f, UInt16)
end
# Write 2 more bytes. Now 2-byte read should work once
# but 4-byte read should fail with EOFError.
open(fn, "a+") do f
write(f, 0x4444)
flush(f)
seek(f, 0)
@test read(f, UInt16) == 0x4455
@test_throws EOFError read(f, UInt16)
seek(f, 0)
@test_throws EOFError read(f, UInt32)
end
# Write 4 more bytes. Now 4-byte read should work once
# but 8-byte read should fail with EOFError.
open(fn, "a+") do f
write(f, 0x33333333)
flush(f)
seek(f, 0)
@test read(f, UInt32) == 0x33444455
@test_throws EOFError read(f, UInt32)
seek(f, 0)
@test_throws EOFError read(f, UInt64)
end
# Writing one more byte should allow an 8-byte
# read to proceed.
open(fn, "a+") do f
write(f, 0x22)
flush(f)
seek(f, 0)
@test read(f, UInt64) == 0x2233333333444455
end
rm(fn)
end
test_read_nbyte()
# devnull
@test !isreadable(devnull)
@test iswritable(devnull)
@test isopen(devnull)
@test write(devnull, 0xff) === 1
@test write(devnull, Int32(1234)) === 4
@test_throws EOFError read(devnull, UInt8)
@test close(devnull) === nothing
@test flush(devnull) === nothing
@test eof(devnull)
@test print(devnull, "go to /dev/null") === nothing
let s = "qwerty"
@test read(IOBuffer(s)) == codeunits(s)
@test read(IOBuffer(s), 10) == codeunits(s)
@test read(IOBuffer(s), 1) == codeunits(s)[1:1]
# Test growing output array
x = UInt8[]
n = readbytes!(IOBuffer(s), x, 10)
@test x == codeunits(s)
@test n == length(x)
end
# Filesystem.File
f = joinpath(dir, "test.txt")
open(io->write(io, "123"), f, "w")
f1 = open(f)
f2 = Base.Filesystem.open(f, Base.Filesystem.JL_O_RDONLY)
@test read(f1, UInt8) == read(f2, UInt8) == UInt8('1')
@test read(f1, UInt8) == read(f2, UInt8) == UInt8('2')
@test read(f1, UInt8) == read(f2, UInt8) == UInt8('3')
@test_throws EOFError read(f1, UInt8)
@test_throws EOFError read(f2, UInt8)
close(f1)
close(f2)
a = UInt8[0,0,0]
f1 = open(f)
f2 = Base.Filesystem.open(f, Base.Filesystem.JL_O_RDONLY)
@test read!(f1, a) == read!(f2, a) == UInt8['1','2','3']
@test_throws EOFError read!(f1, a)
@test_throws EOFError read!(f2, a)
close(f1)
close(f2)
a = UInt8[0,0,0,0]
f1 = open(f)
f2 = Base.Filesystem.open(f, Base.Filesystem.JL_O_RDONLY)
@test_throws EOFError read!(f1, a)
@test_throws EOFError read!(f2, a)
close(f1)
close(f2)
rm(f)
io = Base.Filesystem.open(f, Base.Filesystem.JL_O_WRONLY | Base.Filesystem.JL_O_CREAT | Base.Filesystem.JL_O_EXCL, 0o000)
@test write(io, "abc") == 3
close(io)
if !Sys.iswindows() && Libc.geteuid() != 0 # root user
# msvcrt _wchmod documentation states that all files are readable,
# so we don't test that it correctly set the umask on windows
@test_throws SystemError open(f)
@test_throws Base.IOError Base.Filesystem.open(f, Base.Filesystem.JL_O_RDONLY)
else
Sys.iswindows() || @warn "File permissions tests skipped due to running tests as root (not recommended)"
close(open(f))
end
chmod(f, 0o400)
f1 = open(f)
f2 = Base.Filesystem.open(f, Base.Filesystem.JL_O_RDONLY)
for i = 1:2
@test !eof(f1)
@test !eof(f2)
@test position(f1) == 0
@test position(f2) == 0
@test read(f1, String) == read(f2, String) == "abc"
@test read(f1, String) == read(f2, String) == ""
@test position(f1) == 3
@test position(f2) == 3
@test eof(f1)
@test eof(f2)
@test seekstart(f1) == f1
@test seekstart(f2) == f2
end
@test seekend(f1) == f1
@test seekend(f2) == f2
@test eof(f1)
@test eof(f2)
@test skip(f1, -2) == f1
@test skip(f2, -2) == f2
@test position(f1) == 1
@test position(f2) == 1
@test_throws SystemError skip(f1, -2)
@test_throws SystemError skip(f2, -2)
@test position(f1) == 1
@test position(f2) == 1
@test skip(f1, 300) == f1
@test skip(f2, 300) == f2
@test position(f1) == 301
@test position(f2) == 301
@test eof(f1)
@test eof(f2)
@test_throws ArgumentError write(f1, '*')
@test_throws Base.IOError write(f2, '*')
close(f1)
close(f2)
@test eof(f1)
@test_throws Base.IOError eof(f2)
if Libc.geteuid() != 0 # root user
@test_throws SystemError open(f, "r+")
@test_throws Base.IOError Base.Filesystem.open(f, Base.Filesystem.JL_O_RDWR)
else
@warn "File permissions tests skipped due to running tests as root (not recommended)"
end
chmod(f, 0o600)
f1 = open(f, "r+")
f2 = Base.Filesystem.open(f, Base.Filesystem.JL_O_RDWR)
@test skip(f1, 10) == f1
@test skip(f2, 10) == f2
@test eof(f1)
@test eof(f2)
@test write(f1, '*') == 1
@test flush(f1) === nothing
@test !eof(f2)
@test skip(f2, 1) == f2
@test write(f2, '*') == 1
@test !eof(f1)
@test seekstart(f1) == f1
@test seekstart(f2) == f2
@test read(f1, String) == read(f2, String) == "abc\0\0\0\0\0\0\0**"
close(f1)
close(f2)
rm(f)
end # mktempdir() do dir
@testset "countlines" begin
@test countlines(IOBuffer("")) == 0
@test countlines(IOBuffer("\n")) == 1
@test countlines(IOBuffer("\n"), eol = '\r') == 1
@test countlines(IOBuffer("\r\r\n\r"), eol = '\r') == 3
@test countlines(IOBuffer("\n\n\n\n\n\n\n\n\n\n")) == 10
@test countlines(IOBuffer("\n \n \n \n \n \n \n \n \n \n")) == 10
@test countlines(IOBuffer("\r\n \r\n \r\n \r\n \r\n")) == 5
@test countlines(IOBuffer("foo\nbar")) == length(readlines(IOBuffer("foo\nbar"))) == 2
file = tempname()
write(file,"Spiffy header\nspectacular first row\neven better 2nd row\nalmost done\n")
@test countlines(file) == 4
@test countlines(file, eol = '\r') == 1
@test countlines(file, eol = '\n') == 4
rm(file)
end
let p = Pipe()
Base.link_pipe!(p, reader_supports_async=true, writer_supports_async=true)
t = @async read(p)
@sync begin
@async write(p, zeros(UInt16, 660_000))
yield() # TODO: need to add an Event to the previous line
order::UInt16 = 0
for i = 1:typemax(UInt16)
@async (order += 1; write(p, order); nothing)
end
yield() # TODO: need to add an Event to the previous line
@async close(p.in)
end
s = reinterpret(UInt16, fetch(t))
@test length(s) == 660_000 + typemax(UInt16)
@test s[(end - typemax(UInt16)):end] == UInt16.(0:typemax(UInt16))
end
# issue #26419
@test Base.return_types(read, (String, Type{String})) == Any[String]
@testset "read! to view" begin
x = rand(4, 4)
y = rand(10)
z = 1:10
v = [1.0, 2.0, 3.0, 4.0]
io = IOBuffer()
write(io, v)
flush(io)
seekstart(io)
read!(io, @view x[:, 3])
@test x[:, 3] == v
x = rand(3, 3)
seekstart(io)
read!(io, @view x[1:2, 2:3])
@test x[1:2, 2:3][:] == v[:]
seekstart(io)
read!(io, @view y[4:7])
@test y[4:7] == v
seekstart(io)
@test_throws ErrorException read!(io, @view z[4:6])
end
# Bulk read from pipe
let p = Pipe()
data = rand(UInt8, Base.SZ_UNBUFFERED_IO + 100)
Base.link_pipe!(p, reader_supports_async=true, writer_supports_async=true)
t = @async write(p.in, data)
@test read(p.out, UInt8) == data[1]
data_read = Vector{UInt8}(undef, 10*Base.SZ_UNBUFFERED_IO)
nread = readbytes!(p.out, data_read, Base.SZ_UNBUFFERED_IO + 50)
@test nread == Base.SZ_UNBUFFERED_IO + 50
@test data_read[1:nread] == data[2:nread+1]
@test read(p.out, 49) == data[end-48:end]
wait(t)
close(p)
end
@testset "issue #27412" for itr in [eachline(IOBuffer("a")), readeach(IOBuffer("a"), Char)]
@test !isempty(itr)
# check that the earlier isempty did not consume the iterator
@test !isempty(itr)
first(itr) # consume the iterator
@test isempty(itr) # now it is empty
end