lix/tests/repl-completion.nix

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{ runCommand, nix, expect }:
# We only use expect when necessary, e.g. for testing tab completion in nix repl.
# See also tests/functional/repl.sh
runCommand "repl-completion" {
nativeBuildInputs = [
expect
nix
];
expectScript = ''
# Regression https://github.com/NixOS/nix/pull/10778
spawn nix repl --offline --extra-experimental-features nix-command
expect "nix-repl>"
send "foo = import ./does-not-exist.nix\n"
expect "nix-repl>"
send "foo.\t"
expect {
"nix-repl>" {
puts "Got another prompt. Good."
}
eof {
puts "Got EOF. Bad."
exit 1
}
}
exit 0
'';
passAsFile = [ "expectScript" ];
}
''
export NIX_STORE=$TMPDIR/store
export NIX_STATE_DIR=$TMPDIR/state
export HOME=$TMPDIR/home
mkdir $HOME
nix-store --init
expect $expectScriptPath
touch $out
''