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repl.jl
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repl.jl
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# This file is a part of Julia. License is MIT: https://julialang.org/license
using Test
using REPL
using Random
import REPL.LineEdit
using Markdown
const BASE_TEST_PATH = joinpath(Sys.BINDIR, "..", "share", "julia", "test")
isdefined(Main, :FakePTYs) || @eval Main include(joinpath($(BASE_TEST_PATH), "testhelpers", "FakePTYs.jl"))
import .Main.FakePTYs: with_fake_pty
# For curmod_*
include(joinpath(BASE_TEST_PATH, "testenv.jl"))
include("FakeTerminals.jl")
import .FakeTerminals.FakeTerminal
function kill_timer(delay)
# Give ourselves a generous timer here, just to prevent
# this causing e.g. a CI hang when there's something unexpected in the output.
# This is really messy and leaves the process in an undefined state.
# the proper and correct way to do this in real code would be to destroy the
# IO handles: `close(stdout_read); close(stdin_write)`
test_task = current_task()
function kill_test(t)
# **DON'T COPY ME.**
# The correct way to handle timeouts is to close the handle:
# e.g. `close(stdout_read); close(stdin_write)`
test_task.queue === nothing || Base.list_deletefirst!(test_task.queue, test_task)
schedule(test_task, "hard kill repl test"; error=true)
print(stderr, "WARNING: attempting hard kill of repl test after exceeding timeout\n")
end
return Timer(kill_test, delay)
end
# REPL tests
function fake_repl(@nospecialize(f); options::REPL.Options=REPL.Options(confirm_exit=false))
# Use pipes so we can easily do blocking reads
# In the future if we want we can add a test that the right object
# gets displayed by intercepting the display
input = Pipe()
output = Pipe()
err = Pipe()
Base.link_pipe!(input, reader_supports_async=true, writer_supports_async=true)
Base.link_pipe!(output, reader_supports_async=true, writer_supports_async=true)
Base.link_pipe!(err, reader_supports_async=true, writer_supports_async=true)
repl = REPL.LineEditREPL(FakeTerminal(input.out, output.in, err.in, options.hascolor), options.hascolor)
repl.options = options
hard_kill = kill_timer(900) # Your debugging session starts now. You have 15 minutes. Go.
f(input.in, output.out, repl)
t = @async begin
close(input.in)
close(output.in)
close(err.in)
end
@test read(err.out, String) == ""
#display(read(output.out, String))
Base.wait(t)
close(hard_kill)
nothing
end
# Writing ^C to the repl will cause sigint, so let's not die on that
Base.exit_on_sigint(false)
# make sure `run_interface` can normally handle `eof`
# without any special handling by the user
fake_repl() do stdin_write, stdout_read, repl
panel = LineEdit.Prompt("test";
prompt_prefix = "",
prompt_suffix = Base.text_colors[:white],
on_enter = s -> true)
panel.on_done = (s, buf, ok) -> begin
@test !ok
@test bytesavailable(buf) == position(buf) == 0
nothing
end
repltask = @async REPL.run_interface(repl.t, LineEdit.ModalInterface(Any[panel]))
close(stdin_write)
Base.wait(repltask)
end
# These are integration tests. If you want to unit test test e.g. completion, or
# exact LineEdit behavior, put them in the appropriate test files.
# Furthermore since we are emulating an entire terminal, there may be control characters
# in the mix. If verification needs to be done, keep it to the bare minimum. Basically
# this should make sure nothing crashes without depending on how exactly the control
# characters are being used.
fake_repl(options = REPL.Options(confirm_exit=false,hascolor=true)) do stdin_write, stdout_read, repl
repl.specialdisplay = REPL.REPLDisplay(repl)
repl.history_file = false
repltask = @async begin
REPL.run_repl(repl)
end
global inc = false
global b = Condition()
global c = Condition()
let cmd = "\"Hello REPL\""
write(stdin_write, "$(curmod_prefix)inc || wait($(curmod_prefix)b); r = $cmd; notify($(curmod_prefix)c); r\r")
end
inc = true
notify(b)
wait(c)
# Latex completions
write(stdin_write, "\x32\\alpha\t")
readuntil(stdout_read, "α")
# Bracketed paste in search mode
write(stdin_write, "\e[200~paste here ;)\e[201~")
# Abort search (^C)
write(stdin_write, '\x03')
# Test basic completion in main mode
write(stdin_write, "Base.REP\t")
readuntil(stdout_read, "REPL")
write(stdin_write, '\x03')
write(stdin_write, "\\alpha\t")
readuntil(stdout_read,"α")
write(stdin_write, '\x03')
# Test cd feature in shell mode.
origpwd = pwd()
mktempdir() do tmpdir
try
samefile = Base.Filesystem.samefile
tmpdir_pwd = cd(pwd, tmpdir)
homedir_pwd = cd(pwd, homedir())
# Test `cd`'ing to an absolute path
write(stdin_write, ";")
readuntil(stdout_read, "shell> ")
write(stdin_write, "cd $(escape_string(tmpdir))\n")
readuntil(stdout_read, "cd $(escape_string(tmpdir))")
readuntil(stdout_read, tmpdir_pwd)
readuntil(stdout_read, "\n")
readuntil(stdout_read, "\n")
@test samefile(".", tmpdir)
write(stdin_write, "\b")
# Test using `cd` to move to the home directory
write(stdin_write, ";")
readuntil(stdout_read, "shell> ")
write(stdin_write, "cd\n")
readuntil(stdout_read, homedir_pwd)
readuntil(stdout_read, "\n")
readuntil(stdout_read, "\n")
@test samefile(".", homedir_pwd)
write(stdin_write, "\b")
# Test using `-` to jump backward to tmpdir
write(stdin_write, ";")
readuntil(stdout_read, "shell> ")
write(stdin_write, "cd -\n")
readuntil(stdout_read, tmpdir_pwd)
readuntil(stdout_read, "\n")
readuntil(stdout_read, "\n")
@test samefile(".", tmpdir)
write(stdin_write, "\b")
# Test using `~` (Base.expanduser) in `cd` commands
if !Sys.iswindows()
write(stdin_write, ";")
readuntil(stdout_read, "shell> ")
write(stdin_write, "cd ~\n")
readuntil(stdout_read, homedir_pwd)
readuntil(stdout_read, "\n")
readuntil(stdout_read, "\n")
@test samefile(".", homedir_pwd)
write(stdin_write, "\b")
end
finally
cd(origpwd)
end
end
# issue #20482
#if !Sys.iswindows()
# write(stdin_write, ";")
# readuntil(stdout_read, "shell> ")
# write(stdin_write, "echo hello >/dev/null\n")
# let s = readuntil(stdout_read, "\n", keep=true)
# @test occursin("shell> ", s) # make sure we echoed the prompt
# @test occursin("echo hello >/dev/null", s) # make sure we echoed the input
# end
# @test readuntil(stdout_read, "\n", keep=true) == "\e[0m\n"
#end
# issue #20771
let s
write(stdin_write, ";")
readuntil(stdout_read, "shell> ")
write(stdin_write, "'\n") # invalid input
s = readuntil(stdout_read, "\n")
@test occursin("shell> ", s) # check for the echo of the prompt
@test occursin("'", s) # check for the echo of the input
s = readuntil(stdout_read, "\n\n")
@test startswith(s, "\e[0mERROR: unterminated single quote\nStacktrace:\n [1] ") ||
startswith(s, "\e[0m\e[1m\e[91mERROR: \e[39m\e[22m\e[91munterminated single quote\e[39m\nStacktrace:\n [1] ")
write(stdin_write, "\b")
end
# issue #27293
if Sys.isunix()
let s, old_stdout = stdout
write(stdin_write, ";")
readuntil(stdout_read, "shell> ")
write(stdin_write, "echo ~")
s = readuntil(stdout_read, "~")
proc_stdout_read, proc_stdout = redirect_stdout()
get_stdout = @async read(proc_stdout_read, String)
try
write(stdin_write, "\n")
readuntil(stdout_read, "\n")
s = readuntil(stdout_read, "\n")
finally
redirect_stdout(old_stdout)
end
@test s == "\e[0m" # the child has exited
close(proc_stdout)
# check for the correct, expanded response
@test occursin(expanduser("~"), fetch(get_stdout))
write(stdin_write, "\b")
end
end
# issues #22176 & #20482
# TODO: figure out how to test this on Windows
#Sys.iswindows() || let tmp = tempname()
# try
# write(stdin_write, ";")
# readuntil(stdout_read, "shell> ")
# write(stdin_write, "echo \$123 >$tmp\n")
# let s = readuntil(stdout_read, "\n")
# @test occursin("shell> ", s) # make sure we echoed the prompt
# @test occursin("echo \$123 >$tmp", s) # make sure we echoed the input
# end
# @test readuntil(stdout_read, "\n", keep=true) == "\e[0m\n"
# @test read(tmp, String) == "123\n"
# finally
# rm(tmp, force=true)
# end
#end
# issue #10120
# ensure that command quoting works correctly
let s, old_stdout = stdout
write(stdin_write, ";")
readuntil(stdout_read, "shell> ")
Base.print_shell_escaped(stdin_write, Base.julia_cmd().exec..., special=Base.shell_special)
write(stdin_write, """ -e "println(\\"HI\\")\" """)
readuntil(stdout_read, ")\"")
proc_stdout_read, proc_stdout = redirect_stdout()
get_stdout = @async read(proc_stdout_read, String)
try
write(stdin_write, '\n')
s = readuntil(stdout_read, "\n", keep=true)
if s == "\n"
# if shell width is precisely the text width,
# we may print some extra characters to fix the cursor state
s = readuntil(stdout_read, "\n", keep=true)
@test occursin("shell> ", s)
s = readuntil(stdout_read, "\n", keep=true)
@test s == "\r\r\n"
else
@test occursin("shell> ", s)
end
s = readuntil(stdout_read, "\n", keep=true)
@test s == "\e[0m\n" # the child has exited
finally
redirect_stdout(old_stdout)
end
close(proc_stdout)
@test fetch(get_stdout) == "HI\n"
write(stdin_write, "\b")
end
# Issue #7001
# Test ignoring '\0'
let
write(stdin_write, "\0\n")
s = readuntil(stdout_read, "\n\n")
@test !occursin("invalid character", s)
end
# Test that accepting a REPL result immediately shows up, not
# just on the next keystroke
write(stdin_write, "1+1\n") # populate history with a trivial input
readline(stdout_read)
write(stdin_write, "\e[A\n")
let t = kill_timer(60)
# yield make sure this got processed
readuntil(stdout_read, "1+1")
readuntil(stdout_read, "\n\n")
close(t) # cancel timeout
end
# Issue #10222
# Test ignoring insert key in standard and prefix search modes
write(stdin_write, "\e[2h\e[2h\n") # insert (VT100-style)
@test findfirst("[2h", readline(stdout_read)) === nothing
readline(stdout_read)
write(stdin_write, "\e[2~\e[2~\n") # insert (VT220-style)
@test findfirst("[2~", readline(stdout_read)) === nothing
readline(stdout_read)
write(stdin_write, "1+1\n") # populate history with a trivial input
readline(stdout_read)
write(stdin_write, "\e[A\e[2h\n") # up arrow, insert (VT100-style)
readline(stdout_read)
readline(stdout_read)
write(stdin_write, "\e[A\e[2~\n") # up arrow, insert (VT220-style)
readline(stdout_read)
readline(stdout_read)
# Test down arrow to go back to history
# populate history with a trivial input
s1 = "12345678"; s2 = "23456789"
write(stdin_write, s1, '\n')
readuntil(stdout_read, s1)
write(stdin_write, s2, '\n')
readuntil(stdout_read, s2)
# Two up arrow, enter, should get back to 1
write(stdin_write, "\e[A\e[A\n")
readuntil(stdout_read, s1)
# Now, down arrow, enter, should get us back to 2
write(stdin_write, "\e[B\n")
readuntil(stdout_read, s2)
# test that prefix history search "passes through" key bindings to parent mode
write(stdin_write, "0x321\n")
readuntil(stdout_read, "0x321")
write(stdin_write, "\e[A\e[1;3C|||") # uparrow (go up history) and then Meta-rightarrow (indent right)
s2 = readuntil(stdout_read, "|||", keep=true)
@test endswith(s2, " 0x321\r\e[13C|||") # should have a space (from Meta-rightarrow) and not
# have a spurious C before ||| (the one here is not spurious!)
# "pass through" for ^x^x
write(stdin_write, "\x030x4321\n") # \x03 == ^c
readuntil(stdout_read, "0x4321")
write(stdin_write, "\e[A\x18\x18||\x18\x18||||") # uparrow, ^x^x||^x^x||||
s3 = readuntil(stdout_read, "||||", keep=true)
@test endswith(s3, "||0x4321\r\e[15C||||")
# Delete line (^U) and close REPL (^D)
write(stdin_write, "\x15\x04")
Base.wait(repltask)
nothing
end
function buffercontents(buf::IOBuffer)
p = position(buf)
seek(buf,0)
c = read(buf, String)
seek(buf,p)
c
end
function AddCustomMode(repl, prompt)
# Custom REPL mode tests
foobar_mode = LineEdit.Prompt(prompt;
prompt_prefix="\e[38;5;166m",
prompt_suffix=Base.text_colors[:white],
on_enter = s->true,
on_done = line->true)
main_mode = repl.interface.modes[1]
push!(repl.interface.modes,foobar_mode)
hp = main_mode.hist
hp.mode_mapping[:foobar] = foobar_mode
foobar_mode.hist = hp
foobar_keymap = Dict{Any,Any}(
'<' => function (s,args...)
if isempty(s)
if !haskey(s.mode_state,foobar_mode)
s.mode_state[foobar_mode] = LineEdit.init_state(repl.t,foobar_mode)
end
LineEdit.transition(s,foobar_mode)
else
LineEdit.edit_insert(s,'<')
end
end
)
search_prompt, skeymap = LineEdit.setup_search_keymap(hp)
mk = REPL.mode_keymap(main_mode)
b = Dict{Any,Any}[skeymap, mk, LineEdit.history_keymap, LineEdit.default_keymap, LineEdit.escape_defaults]
foobar_mode.keymap_dict = LineEdit.keymap(b)
main_mode.keymap_dict = LineEdit.keymap_merge(main_mode.keymap_dict, foobar_keymap)
foobar_mode, search_prompt
end
# Note: since the \t character matters for the REPL file history,
# it is important not to have the """ code reindent this line,
# possibly converting \t to spaces.
fakehistory = """
# time: 2014-06-29 20:44:29 EDT
# mode: julia
\té
# time: 2014-06-29 21:44:29 EDT
# mode: julia
\téé
# time: 2014-06-30 17:32:49 EDT
# mode: julia
\tshell
# time: 2014-06-30 17:32:59 EDT
# mode: shell
\tll
# time: 2014-06-30 99:99:99 EDT
# mode: julia
\tx ΔxΔ
# time: 2014-06-30 17:32:49 EDT
# mode: julia
\t1 + 1
# time: 2014-06-30 17:35:39 EDT
# mode: foobar
\tbarfoo
# time: 2014-06-30 18:44:29 EDT
# mode: shell
\tls
# time: 2014-06-30 19:44:29 EDT
# mode: foobar
\tls
# time: 2014-06-30 20:44:29 EDT
# mode: julia
\t2 + 2
"""
# Test various history related issues
for prompt = ["TestΠ", () -> randstring(rand(1:10))]
fake_repl() do stdin_write, stdout_read, repl
# In the future if we want we can add a test that the right object
# gets displayed by intercepting the display
repl.specialdisplay = REPL.REPLDisplay(repl)
repl.interface = REPL.setup_interface(repl)
repl_mode = repl.interface.modes[1]
shell_mode = repl.interface.modes[2]
help_mode = repl.interface.modes[3]
histp = repl.interface.modes[4]
prefix_mode = repl.interface.modes[5]
hp = REPL.REPLHistoryProvider(Dict{Symbol,Any}(:julia => repl_mode,
:shell => shell_mode,
:help => help_mode))
hist_path = tempname()
write(hist_path, fakehistory)
REPL.hist_from_file(hp, hist_path)
f = open(hist_path, read=true, write=true, create=true)
hp.history_file = f
seekend(f)
REPL.history_reset_state(hp)
histp.hp = repl_mode.hist = shell_mode.hist = help_mode.hist = hp
# Some manual setup
s = LineEdit.init_state(repl.t, repl.interface)
LineEdit.edit_insert(s, "wip")
# LineEdit functions related to history
LineEdit.edit_insert_last_word(s)
@test buffercontents(LineEdit.buffer(s)) == "wip2"
LineEdit.edit_backspace(s) # remove the "2"
# Test that navigating history skips invalid modes
# (in both directions)
LineEdit.history_prev(s, hp)
@test LineEdit.mode(s) == repl_mode
@test buffercontents(LineEdit.buffer(s)) == "2 + 2"
LineEdit.history_prev(s, hp)
@test LineEdit.mode(s) == shell_mode
@test buffercontents(LineEdit.buffer(s)) == "ls"
LineEdit.history_prev(s, hp)
@test LineEdit.mode(s) == repl_mode
@test buffercontents(LineEdit.buffer(s)) == "1 + 1"
LineEdit.history_next(s, hp)
@test LineEdit.mode(s) == shell_mode
@test buffercontents(LineEdit.buffer(s)) == "ls"
LineEdit.history_next(s, hp)
@test LineEdit.mode(s) == repl_mode
@test buffercontents(LineEdit.buffer(s)) == "2 + 2"
LineEdit.history_next(s, hp)
@test LineEdit.mode(s) == repl_mode
@test buffercontents(LineEdit.buffer(s)) == "wip"
@test position(LineEdit.buffer(s)) == 3
LineEdit.history_next(s, hp)
@test buffercontents(LineEdit.buffer(s)) == "wip"
LineEdit.history_prev(s, hp, 2)
@test LineEdit.mode(s) == shell_mode
@test buffercontents(LineEdit.buffer(s)) == "ls"
LineEdit.history_prev(s, hp, -2) # equivalent to history_next(s, hp, 2)
@test LineEdit.mode(s) == repl_mode
@test buffercontents(LineEdit.buffer(s)) == "2 + 2"
LineEdit.history_next(s, hp, -2) # equivalent to history_prev(s, hp, 2)
@test LineEdit.mode(s) == shell_mode
@test buffercontents(LineEdit.buffer(s)) == "ls"
LineEdit.history_first(s, hp)
@test LineEdit.mode(s) == repl_mode
@test buffercontents(LineEdit.buffer(s)) == "é"
LineEdit.history_next(s, hp, 6)
@test LineEdit.mode(s) == shell_mode
@test buffercontents(LineEdit.buffer(s)) == "ls"
LineEdit.history_last(s, hp)
@test buffercontents(LineEdit.buffer(s)) == "wip"
@test position(LineEdit.buffer(s)) == 3
# test that history_first jumps to beginning of current session's history
hp.start_idx -= 5 # temporarily alter history
LineEdit.history_first(s, hp)
@test hp.cur_idx == 6
# we are at the beginning of current session's history, so history_first
# must now jump to the beginning of all history
LineEdit.history_first(s, hp)
@test hp.cur_idx == 1
LineEdit.history_last(s, hp)
@test hp.cur_idx-1 == length(hp.history)
hp.start_idx += 5
LineEdit.move_line_start(s)
@test position(LineEdit.buffer(s)) == 0
# Test that the same holds for prefix search
ps = LineEdit.state(s, prefix_mode)::LineEdit.PrefixSearchState
@test LineEdit.input_string(ps) == ""
LineEdit.enter_prefix_search(s, prefix_mode, true)
LineEdit.history_prev_prefix(ps, hp, "")
@test ps.prefix == ""
@test ps.parent == repl_mode
@test LineEdit.input_string(ps) == "2 + 2"
@test position(LineEdit.buffer(s)) == 5
LineEdit.history_prev_prefix(ps, hp, "")
@test ps.parent == shell_mode
@test LineEdit.input_string(ps) == "ls"
@test position(LineEdit.buffer(s)) == 2
LineEdit.history_prev_prefix(ps, hp, "sh")
@test ps.parent == repl_mode
@test LineEdit.input_string(ps) == "shell"
@test position(LineEdit.buffer(s)) == 2
LineEdit.history_next_prefix(ps, hp, "sh")
@test ps.parent == repl_mode
@test LineEdit.input_string(ps) == "wip"
@test position(LineEdit.buffer(s)) == 0
LineEdit.move_input_end(s)
LineEdit.history_prev_prefix(ps, hp, "é")
@test ps.parent == repl_mode
@test LineEdit.input_string(ps) == "éé"
@test position(LineEdit.buffer(s)) == sizeof("é") > 1
LineEdit.history_prev_prefix(ps, hp, "é")
@test ps.parent == repl_mode
@test LineEdit.input_string(ps) == "é"
@test position(LineEdit.buffer(s)) == sizeof("é")
LineEdit.history_next_prefix(ps, hp, "zzz")
@test ps.parent == repl_mode
@test LineEdit.input_string(ps) == "wip"
@test position(LineEdit.buffer(s)) == 3
LineEdit.accept_result(s, prefix_mode)
# Test that searching backwards puts you into the correct mode and
# skips invalid modes.
LineEdit.enter_search(s, histp, true)
ss = LineEdit.state(s, histp)
write(ss.query_buffer, "l")
LineEdit.update_display_buffer(ss, ss)
LineEdit.accept_result(s, histp)
@test LineEdit.mode(s) == shell_mode
@test buffercontents(LineEdit.buffer(s)) == "ls"
@test position(LineEdit.buffer(s)) == 0
# Test that searching for `ll` actually matches `ll` after
# both letters are types rather than jumping to `shell`
LineEdit.history_prev(s, hp)
LineEdit.enter_search(s, histp, true)
write(ss.query_buffer, "l")
LineEdit.update_display_buffer(ss, ss)
@test buffercontents(ss.response_buffer) == "ll"
@test position(ss.response_buffer) == 1
write(ss.query_buffer, "l")
LineEdit.update_display_buffer(ss, ss)
LineEdit.accept_result(s, histp)
@test LineEdit.mode(s) == shell_mode
@test buffercontents(LineEdit.buffer(s)) == "ll"
@test position(LineEdit.buffer(s)) == 0
# Test that searching backwards with a one-letter query doesn't
# return indefinitely the same match (#9352)
LineEdit.enter_search(s, histp, true)
write(ss.query_buffer, "l")
LineEdit.update_display_buffer(ss, ss)
LineEdit.history_next_result(s, ss)
LineEdit.update_display_buffer(ss, ss)
LineEdit.accept_result(s, histp)
@test LineEdit.mode(s) == repl_mode
@test buffercontents(LineEdit.buffer(s)) == "shell"
@test position(LineEdit.buffer(s)) == 4
# Test that searching backwards doesn't skip matches (#9352)
# (for a search with multiple one-byte characters, or UTF-8 characters)
LineEdit.enter_search(s, histp, true)
write(ss.query_buffer, "é") # matches right-most "é" in "éé"
LineEdit.update_display_buffer(ss, ss)
@test position(ss.query_buffer) == sizeof("é")
LineEdit.history_next_result(s, ss) # matches left-most "é" in "éé"
LineEdit.update_display_buffer(ss, ss)
LineEdit.accept_result(s, histp)
@test buffercontents(LineEdit.buffer(s)) == "éé"
@test position(LineEdit.buffer(s)) == 0
# Issue #7551
# Enter search mode and try accepting an empty result
REPL.history_reset_state(hp)
LineEdit.edit_clear(s)
cur_mode = LineEdit.mode(s)
LineEdit.enter_search(s, histp, true)
LineEdit.accept_result(s, histp)
@test LineEdit.mode(s) == cur_mode
@test buffercontents(LineEdit.buffer(s)) == ""
@test position(LineEdit.buffer(s)) == 0
# Test that new modes can be dynamically added to the REPL and will
# integrate nicely
foobar_mode, custom_histp = AddCustomMode(repl, prompt)
# ^R l, should now find `ls` in foobar mode
LineEdit.enter_search(s, histp, true)
ss = LineEdit.state(s, histp)
write(ss.query_buffer, "l")
LineEdit.update_display_buffer(ss, ss)
LineEdit.accept_result(s, histp)
@test LineEdit.mode(s) == foobar_mode
@test buffercontents(LineEdit.buffer(s)) == "ls"
@test position(LineEdit.buffer(s)) == 0
# Try the same for prefix search
LineEdit.history_next(s, hp)
LineEdit.history_prev_prefix(ps, hp, "l")
@test ps.parent == foobar_mode
@test LineEdit.input_string(ps) == "ls"
@test position(LineEdit.buffer(s)) == 1
# Some Unicode handling testing
LineEdit.history_prev(s, hp)
LineEdit.enter_search(s, histp, true)
write(ss.query_buffer, "x")
LineEdit.update_display_buffer(ss, ss)
@test buffercontents(ss.response_buffer) == "x ΔxΔ"
@test position(ss.response_buffer) == 4
write(ss.query_buffer, " ")
LineEdit.update_display_buffer(ss, ss)
LineEdit.accept_result(s, histp)
@test LineEdit.mode(s) == repl_mode
@test buffercontents(LineEdit.buffer(s)) == "x ΔxΔ"
@test position(LineEdit.buffer(s)) == 0
LineEdit.edit_clear(s)
LineEdit.enter_search(s, histp, true)
ss = LineEdit.state(s, histp)
write(ss.query_buffer, "Å") # should not be in history
LineEdit.update_display_buffer(ss, ss)
@test buffercontents(ss.response_buffer) == ""
@test position(ss.response_buffer) == 0
LineEdit.history_next_result(s, ss) # should not throw BoundsError
LineEdit.accept_result(s, histp)
# Try entering search mode while in custom repl mode
LineEdit.enter_search(s, custom_histp, true)
end
end
# Test removal of prompt in bracket pasting
fake_repl() do stdin_write, stdout_read, repl
repl.interface = REPL.setup_interface(repl)
repl_mode = repl.interface.modes[1]
shell_mode = repl.interface.modes[2]
help_mode = repl.interface.modes[3]
repltask = @async begin
REPL.run_repl(repl)
end
global c = Condition()
sendrepl2(cmd) = write(stdin_write, "$cmd\n notify($(curmod_prefix)c)\n")
# Test removal of prefix in single statement paste
sendrepl2("\e[200~julia> A = 2\e[201~\n")
wait(c)
@test Main.A == 2
# Test removal of prefix in multiple statement paste
sendrepl2("""\e[200~
julia> mutable struct T17599; a::Int; end
julia> function foo(julia)
julia> 3
end
julia> A = 3\e[201~
""")
wait(c)
@test Main.A == 3
@test Base.invokelatest(Main.foo, 4)
@test Base.invokelatest(Main.T17599, 3).a == 3
@test !Base.invokelatest(Main.foo, 2)
sendrepl2("""\e[200~
julia> goo(x) = x + 1
error()
julia> A = 4
4\e[201~
""")
wait(c)
@test Main.A == 4
@test Base.invokelatest(Main.goo, 4) == 5
# Test prefix removal only active in bracket paste mode
sendrepl2("julia = 4\n julia> 3 && (A = 1)\n")
wait(c)
@test Main.A == 1
# Test that indentation corresponding to the prompt is removed
sendrepl2("""\e[200~julia> begin\n α=1\n β=2\n end\n\e[201~""")
wait(c)
readuntil(stdout_read, "begin")
@test readuntil(stdout_read, "end", keep=true) == "\n\r\e[7C α=1\n\r\e[7C β=2\n\r\e[7Cend"
# for incomplete input (`end` below is added after the end of bracket paste)
sendrepl2("""\e[200~julia> begin\n α=1\n β=2\n\e[201~end""")
wait(c)
readuntil(stdout_read, "begin")
readuntil(stdout_read, "begin")
@test readuntil(stdout_read, "end", keep=true) == "\n\r\e[7C α=1\n\r\e[7C β=2\n\r\e[7Cend"
# Close repl
write(stdin_write, '\x04')
Base.wait(repltask)
end
# Simple non-standard REPL tests
fake_repl() do stdin_write, stdout_read, repl
panel = LineEdit.Prompt("testπ";
prompt_prefix="\e[38;5;166m",
prompt_suffix=Base.text_colors[:white],
on_enter = s->true)
hp = REPL.REPLHistoryProvider(Dict{Symbol,Any}(:parse => panel))
search_prompt, skeymap = LineEdit.setup_prefix_keymap(hp, panel)
REPL.history_reset_state(hp)
panel.hist = hp
panel.keymap_dict = LineEdit.keymap(Dict{Any,Any}[skeymap,
LineEdit.default_keymap, LineEdit.escape_defaults])
c = Condition()
panel.on_done = (s, buf, ok) -> begin
if !ok
LineEdit.transition(s, :abort)
end
line = strip(String(take!(buf)))
LineEdit.reset_state(s)
notify(c, line)
nothing
end
repltask = @async REPL.run_interface(repl.t, LineEdit.ModalInterface(Any[panel, search_prompt]))
write(stdin_write,"a\n")
@test wait(c) == "a"
# Up arrow enter should recall history even at the start
write(stdin_write,"\e[A\n")
@test wait(c) == "a"
# And again
write(stdin_write,"\e[A\n")
@test wait(c) == "a"
# Close REPL ^D
write(stdin_write, '\x04')
Base.wait(repltask)
end
Base.exit_on_sigint(true)
let exename = Base.julia_cmd()
# Test REPL in dumb mode
with_fake_pty() do pts, ptm
nENV = copy(ENV)
nENV["TERM"] = "dumb"
p = run(detach(setenv(`$exename --startup-file=no -q`, nENV)), pts, pts, pts, wait=false)
Base.close_stdio(pts)
output = readuntil(ptm, "julia> ", keep=true)
if ccall(:jl_running_on_valgrind, Cint,()) == 0
# If --trace-children=yes is passed to valgrind, we will get a
# valgrind banner here, not just the prompt.
@test output == "julia> "
end
write(ptm, "1\nexit()\n")
output = readuntil(ptm, ' ', keep=true)
if Sys.iswindows()
# Our fake pty is actually a pipe, and thus lacks the input echo feature of posix
@test output == "1\n\njulia> "
else
@test output == "1\r\nexit()\r\n1\r\n\r\njulia> "
end
@test bytesavailable(ptm) == 0
@test if Sys.iswindows() || Sys.isbsd()
eof(ptm)
else
# Some platforms (such as linux) report EIO instead of EOF
# possibly consume child-exited notification
# for example, see discussion in https://bugs.python.org/issue5380
try
eof(ptm) && !Sys.islinux()
catch ex
(ex isa Base.IOError && ex.code == Base.UV_EIO) || rethrow()
@test_throws ex eof(ptm) # make sure the error is sticky
ptm.readerror = nothing
eof(ptm)
end
end
@test read(ptm, String) == ""
wait(p)
end
# Test stream mode
p = open(`$exename --startup-file=no -q`, "r+")
write(p, "1\nexit()\n")
@test read(p, String) == "1\n"
end # let exename
# issue #19864
mutable struct Error19864 <: Exception; end
function test19864()
@eval Base.showerror(io::IO, e::Error19864) = print(io, "correct19864")
buf = IOBuffer()
fake_response = (Any[(Error19864(), Ptr{Cvoid}[])], true)
REPL.print_response(buf, fake_response, false, false, nothing)
return String(take!(buf))
end
@test occursin("correct19864", test19864())
# Test containers in error messages are limited #18726
let io = IOBuffer()
Base.display_error(io,
try
[][trues(6000)]
@assert false
catch e
e
end, [])
@test length(String(take!(io))) < 1500
end
fake_repl() do stdin_write, stdout_read, repl
# Relies on implementation detail to make sure we only have the single
# replinit callback we want to test.
saved_replinit = copy(Base.repl_hooks)
slot = Ref(false)
# Create a closure from a newer world to check if `_atreplinit`
# can run it correctly
atreplinit(@eval(repl::REPL.LineEditREPL -> ($slot[] = true)))
Base._atreplinit(repl)
@test slot[]
@test_throws MethodError Base.repl_hooks[1](repl)
copyto!(Base.repl_hooks, saved_replinit)
nothing
end
let ends_with_semicolon = REPL.ends_with_semicolon
@test !ends_with_semicolon("")
@test ends_with_semicolon(";")
@test !ends_with_semicolon("a")
@test ends_with_semicolon("1;")
@test ends_with_semicolon("1;\n")
@test ends_with_semicolon("1;\r")
@test ends_with_semicolon("1;\r\n \t\f")
@test ends_with_semicolon("1;#text\n")
@test ends_with_semicolon("a; #=#=# =# =#\n")
@test !ends_with_semicolon("begin\na;\nb;\nend")
@test !ends_with_semicolon("begin\na; #=#=#\n=#b=#\nend")
@test ends_with_semicolon("\na; #=#=#\n=#b=#\n# test\n#=\nfoobar\n=##bazbax\n")
end
# PR #20794, TTYTerminal with other kinds of streams
let term = REPL.Terminals.TTYTerminal("dumb",IOBuffer("1+2\n"),IOContext(IOBuffer(),:foo=>true),IOBuffer())
r = REPL.BasicREPL(term)
REPL.run_repl(r)
@test String(take!(term.out_stream.io)) == "julia> 3\n\njulia> \n"
@test haskey(term, :foo) == true
@test haskey(term, :bar) == false
@test (:foo=>true) in term
@test (:foo=>false) ∉ term
@test term[:foo] == get(term, :foo, nothing) == true
@test get(term, :bar, nothing) === nothing
@test_throws KeyError term[:bar]
end
# Ensure even the dumb REPL elides content
let term = REPL.Terminals.TTYTerminal("dumb",IOBuffer("zeros(1000)\n"),IOBuffer(),IOBuffer())
r = REPL.BasicREPL(term)
REPL.run_repl(r)
@test contains(String(take!(term.out_stream)), "⋮")
end
# a small module for alternative keymap tests
module AltLE
import REPL
import REPL.LineEdit
function history_move_prefix(s::LineEdit.MIState,
hist::REPL.REPLHistoryProvider,
backwards::Bool)
buf = LineEdit.buffer(s)
pos = position(buf)
prefix = REPL.beforecursor(buf)
allbuf = String(take!(copy(buf)))
cur_idx = hist.cur_idx
# when searching forward, start at last_idx
if !backwards && hist.last_idx > 0
cur_idx = hist.last_idx
end
hist.last_idx = -1
idxs = backwards ? ((cur_idx-1):-1:1) : ((cur_idx+1):length(hist.history))
for idx in idxs
if startswith(hist.history[idx], prefix) && hist.history[idx] != allbuf
REPL.history_move(s, hist, idx)
seek(LineEdit.buffer(s), pos)
LineEdit.refresh_line(s)
return :ok
end
end
REPL.Terminals.beep(LineEdit.terminal(s))
end
history_next_prefix(s::LineEdit.MIState, hist::REPL.REPLHistoryProvider) =
history_move_prefix(s, hist, false)
history_prev_prefix(s::LineEdit.MIState, hist::REPL.REPLHistoryProvider) =
history_move_prefix(s, hist, true)
end # module
# Test alternative keymaps and prompt
# (Alt. keymaps may be passed as a Vector{<:Dict} or as a Dict)
const altkeys = [Dict{Any,Any}("\e[A" => (s,o...)->(LineEdit.edit_move_up(s) || LineEdit.history_prev(s, LineEdit.mode(s).hist))), # Up Arrow
Dict{Any,Any}("\e[B" => (s,o...)->(LineEdit.edit_move_down(s) || LineEdit.history_next(s, LineEdit.mode(s).hist))), # Down Arrow
Dict{Any,Any}("\e[5~" => (s,o...)->(AltLE.history_prev_prefix(s, LineEdit.mode(s).hist))), # Page Up
Dict{Any,Any}("\e[6~" => (s,o...)->(AltLE.history_next_prefix(s, LineEdit.mode(s).hist))), # Page Down
]
for keys = [altkeys, merge(altkeys...)],
altprompt = ["julia-$(VERSION.major).$(VERSION.minor)> ",
() -> "julia-$(Base.GIT_VERSION_INFO.commit_short)"]
histfile = tempname()
try
fake_repl() do stdin_write, stdout_read, repl
repl.specialdisplay = REPL.REPLDisplay(repl)
repl.history_file = true
withenv("JULIA_HISTORY" => histfile) do
repl.interface = REPL.setup_interface(repl, extra_repl_keymap = altkeys)
end
repl.interface.modes[1].prompt = altprompt
repltask = @async begin
REPL.run_repl(repl)
end
sendrepl3(cmd) = write(stdin_write,"$cmd\n")
sendrepl3("1 + 1;") # a simple line
sendrepl3("multi=2;\e\nline=2;") # a multiline input
sendrepl3("ignoreme\e[A\b\b3;\e[B\b\b1;") # edit the previous multiline input
sendrepl3("1 +\e[5~\b*") # use prefix search to edit the 1st input
# Close REPL ^D
write(stdin_write, '\x04')
Base.wait(repltask)
# Close the history file
# (otherwise trying to delete it fails on Windows)
close(repl.interface.modes[1].hist.history_file)
# Check that the correct prompt was displayed
output = readuntil(stdout_read, "1 * 1;", keep=true)
@test !occursin(output, LineEdit.prompt_string(altprompt))
@test !occursin(output, "julia> ")
# Check the history file
history = read(histfile, String)
@test occursin(r"""
^\#\ time:\ .*\n
\#\ mode:\ julia\n
\t1\ \+\ 1;\n
\#\ time:\ .*\n
\#\ mode:\ julia\n