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minishell/test.sh

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#!/usr/bin/env bash
set -uo pipefail
declare -i FAILED=0
declare -i SUCCEDED=0
declare -i TODO=0
declare -i RAN=0
NAME=""
EXTRAENV=""
MINISHELL=$PWD/minishell
report_header()
{
echo "++++++++++++++++++++++++++++++++++++++++++++++++++++"
echo $NAME
echo "++++++++++++++++++++++++++++++++++++++++++++++++++++"
echo "++++ test input:"
}
failed_report()
{
NAME="failed: $NAME"
report_header
cat /tmp/input.minishell
echo "++++ Got output:"
cat /tmp/got.minishell
echo "++++ But expected:"
cat /tmp/expected.minishell
echo "++++ Diff:"
echo "(red is got, green is expected)"
diff --color=always /tmp/got.minishell /tmp/expected.minishell
echo "++++ Run this to debug:"
cat < /tmp/input.minishell > /tmp/input.failed.$FAILED.minishell
echo "cat /tmp/input.failed.$FAILED.minishell | ./minishell"
}
todo_report()
{
NAME="todo: $NAME"
report_header
cat /tmp/input.minishell
echo "++++ Got output:"
cat /tmp/got.minishell
echo "++++ But test was marked as todo."
echo "++++ Run this to debug:"
cat < /tmp/input.minishell > /tmp/input.todo.$TODO.minishell
echo "cat /tmp/input.todo.$TODO.minishell | ./minishell"
}
failed()
{
echo -n "F"
FAILED+=1
failed_report >> report.txt
}
succeded()
{
echo -n "."
SUCCEDED+=1
}
assert()
{
diff -q /tmp/got.minishell /tmp/expected.minishell > /dev/null && succeded || failed
}
when_run()
{
cat > /tmp/input.minishell
rm -rf /tmp/dir.minishell
mkdir -p /tmp/dir.minishell
pushd /tmp/dir.minishell > /dev/null
env $EXTRAENV $MINISHELL &> /tmp/got.minishell < /tmp/input.minishell
popd > /dev/null
EXTRAENV=""
RAN+=1
NAME=$1
}
expecting()
{
cat > /tmp/expected.minishell
assert
}
todo()
{
echo -n "t"
TODO+=1
todo_report >> report.txt
}
setup()
{
rm -f report.txt
}
finalize()
{
echo
echo "$RAN tests ran. $SUCCEDED succeded, $FAILED failed, $TODO todo."
if [ $SUCCEDED -eq $RAN ];
then
echo "All integration tests passed!"
else
echo "cat report.txt"
echo "to see details of failed/todo tests"
fi
exit $FAILED
}
setup
when_run <<EOF "empty inputs returns nothing"
EOF
expecting <<EOF
EOF
when_run <<EOF "only spaces returns nothing"
EOF
expecting <<EOF
EOF
when_run <<EOF "only tabs returns nothing"
EOF
expecting <<EOF
EOF
when_run <<EOF "/ is a directory"
/
echo \$?
EOF
expecting <<EOF
minishell: /: Is a directory
126
EOF
when_run <<EOF "// is a directory"
//
echo \$?
EOF
expecting <<EOF
minishell: //: Is a directory
126
EOF
when_run <<EOF "/. is a directory"
/.
echo \$?
EOF
expecting <<EOF
minishell: /.: Is a directory
126
EOF
when_run <<EOF "/./../../../../.. is a directory"
/./../../../../..
echo \$?
EOF
expecting <<EOF
minishell: /./../../../../..: Is a directory
126
EOF
when_run <<EOF "//////// is a directory"
////////
echo \$?
EOF
expecting <<EOF
minishell: ////////: Is a directory
126
EOF
when_run <<EOF "simple commands are run"
echo no files:
ls -a
touch t
echo single file:
ls -a
EOF
expecting <<EOF
no files:
.
..
single file:
.
..
t
EOF
when_run <<EOF "unknown commands"
qwertyuiop
echo \$?
poiuytrewq
echo \$?
EOF
expecting <<EOF
minishell: qwertyuiop: command not found
127
minishell: poiuytrewq: command not found
127
EOF
when_run <<EOF "pwd works"
pwd
pwd hello
pwd hello there
pwd -O
pwd -O hello
pwd there -O hello
EOF
expecting <<EOF
/tmp/dir.minishell
/tmp/dir.minishell
/tmp/dir.minishell
/tmp/dir.minishell
/tmp/dir.minishell
/tmp/dir.minishell
EOF
when_run <<EOF "pwd works in any directory, can cd to absolute paths"
mkdir test
cd /tmp/dir.minishell/test
pwd
mkdir hi
cd /tmp/dir.minishell/test/hi
pwd
cd /tmp/dir.minishell/test
pwd
EOF
expecting <<EOF
/tmp/dir.minishell/test
/tmp/dir.minishell/test/hi
/tmp/dir.minishell/test
EOF
when_run <<EOF "cd will print error when going into a directory with no access"
mkdir test
chmod -x test
cd test
echo \$?
pwd
chmod +x test
EOF
expecting <<EOF
minishell: cd: test: Permission denied
1
/tmp/dir.minishell
EOF
EXTRAENV="HOME=/tmp/dir.minishell/fakehome"
when_run <<EOF "cd with no arguments goes to \$HOME"
mkdir fakehome
cd
pwd
EOF
expecting <<EOF
/tmp/dir.minishell/fakehome
EOF
EXTRAENV="-u HOME"
when_run <<EOF "cd with no arguments, with HOME unset, prints error message and does nothing"
cd
pwd
EOF
expecting <<EOF
minishell: cd: HOME not set
/tmp/dir.minishell
EOF
when_run <<EOF "cd with empty argument"
cd ""
pwd
EOF
expecting <<EOF
/tmp/dir.minishell
EOF
EXTRAENV="HOME="
when_run <<EOF "cd with no arguments and HOME equal to empty string"
cd
pwd
EOF
expecting <<EOF
/tmp/dir.minishell
EOF
when_run <<EOF "cd with simple relative paths"
mkdir test
cd test
pwd
cd ..
pwd
EOF
expecting <<EOF
/tmp/dir.minishell/test
/tmp/dir.minishell
EOF
when_run <<EOF "cd with complicated relative paths"
mkdir -p test/hello/there
mkdir -p test/hi/there
mkdir -p test/hello/world
cd test/hello/there
pwd
cd ../../hi
pwd
cd ../hi/../hi/../hi/../hi
pwd
cd ../hi/../hi/../hi/../hi/../../test/hello/world
pwd
EOF
expecting <<EOF
/tmp/dir.minishell/test/hello/there
/tmp/dir.minishell/test/hi
/tmp/dir.minishell/test/hi
/tmp/dir.minishell/test/hello/world
EOF
when_run <<EOF "cd print error when given too many arguments"
cd hello there
pwd
cd . ..
pwd
EOF
expecting <<EOF
minishell: cd: too many arguments
/tmp/dir.minishell
minishell: cd: too many arguments
/tmp/dir.minishell
EOF
EXTRAENV="VAR=value hello=bye"
when_run <<"EOF" "variable substitution works"
echo $VAR $hello
EOF
expecting <<EOF
value bye
EOF
when_run <<"EOF" "export works with single variable"
export var=testvalue
echo var=$var
export var="Another Test Value"
echo var=$var
EOF
expecting <<EOF
var=testvalue
var=Another Test Value
EOF
when_run <<"EOF" "export works with multiple variables"
export name="Sir Reginald Pikedevant" greeting="Well met," counter=27 "question=How many fingers am I holding up?"
echo $greeting $name
echo $question
echo Umm, $counter?
EOF
expecting <<EOF
Well met, Sir Reginald Pikedevant
How many fingers am I holding up?
Umm, 27?
EOF
EXTRAENV=-i
when_run <<EOF "export with strange inputs"
export ENV=$(which env)
export PATH=$PATH
export var
echo status=\$?
echo var=[\$var]
export blue=
echo status=\$?
echo blue=[\$blue]
\$ENV -u PATH -u ENV env
EOF
expecting <<EOF
status=0
var=[]
status=0
blue=[]
blue=
EOF
when_run <<"EOF" "export with invalid identifiers"
export = 123=456 hello=hi 456=789
echo status=$?
echo hello=$hello
EOF
expecting <<"EOF"
minishell: export: `=': not a valid identifier
minishell: export: `123=456': not a valid identifier
minishell: export: `456=789': not a valid identifier
status=1
hello=hi
EOF
when_run <<EOF "empty command is not found"
""
EOF
expecting <<EOF
minishell: : command not found
EOF
when_run <<EOF "exit status of last command is preserved"
echo \$?
ls nonexist
echo \$?
echo hi
echo \$?
EOF
expecting <<EOF
0
ls: cannot access 'nonexist': No such file or directory
2
hi
0
EOF
when_run <<EOF "exit works"
$MINISHELL
exit
echo \$?
EOF
expecting <<EOF
0
EOF
when_run <<EOF "exit works with custom exit code"
$MINISHELL
exit 99
echo \$?
EOF
expecting <<EOF
99
EOF
when_run <<EOF "exit works with extreme exit codes"
$MINISHELL
exit 1234567890
echo \$?
$MINISHELL
exit -1234567890
echo \$?
EOF
expecting <<EOF
210
46
EOF
when_run <<EOF "exit works with nan input"
$MINISHELL
exit not-a-number
echo \$?
EOF
expecting <<EOF
minishell: exit: not-a-number: numeric argument required
2
EOF
when_run <<EOF "exit works with too many arguments"
$MINISHELL
exit 1 2
echo \$?
exit
echo \$?
$MINISHELL
exit not-a-number 3
echo \$?
$MINISHELL
exit 3 not-a-number
echo \$?
exit
echo \$?
EOF
expecting <<EOF
minishell: exit: too many arguments
1
0
minishell: exit: not-a-number: numeric argument required
2
minishell: exit: too many arguments
1
0
EOF
when_run <<EOF "echo basic tests"
echo hello world
echo "Hello World"
EOF
expecting <<EOF
hello world
Hello World
EOF
when_run <<EOF "echo -n tests"
echo -n hello world
echo
echo -nnnnnnnnnnnnnnnn hello world
echo
echo -nnnntnnnnnnnnnnnn hello world
echo hi -n hello
echo -n -n -nnn -n goodbye
echo
EOF
expecting <<EOF
hello world
hello world
-nnnntnnnnnnnnnnnn hello world
hi -n hello
goodbye
EOF
when_run <<EOF "echo - n"
echo - n hi
EOF
expecting <<EOF
- n hi
EOF
EXTRAENV="-i"
when_run <<EOF "env works"
echo this should be empty:
env
echo
export var=VALUE hi=hello bye=goodbye
echo this contains some values
env
unset var bye
echo some vars were unset
env
EOF
expecting <<EOF
this should be empty:
this contains some values
var=VALUE
hi=hello
bye=goodbye
some vars were unset
hi=hello
EOF
EXTRAENV="-i"
when_run <<EOF "env ignores additional arguments"
export var=VALUE hi=hello bye=goodbye
env -i name="The Other" ls
EOF
expecting <<EOF
minishell: env: ignoring arguments
var=VALUE
hi=hello
bye=goodbye
EOF
when_run <<EOF "echo field splitting tests"
export val=" hi there "
echo -\$val-
echo -"\$val"-
export val="hello there"
echo -\$val-
echo -"\$val"-
EOF
expecting <<EOF
- hi there -
- hi there -
-hello there-
-hello there-
EOF
when_run <<EOF "wildcards"
echo *
touch hi there hello
echo *
echo h*
EOF
expecting <<EOF
*
hello hi there
hello hi
EOF
when_run <<EOF "quoted parentheses are not operators"
.debug
.exec
echo unclosed '('
EOF
expecting <<EOF
[dbg: 1]
[exec: 0]
parsed command
╰─ t_cmd
├─ t_cmd_type = FT_SIMPLE
├─ flags = 0
├─ line = 0
╰─ value
╰─ t_simple_cmd
├─ line = 0
├─ t_wordlist
│ ├─ t_worddesc
│ │ ├─ word = [echo]
│ │ ├─ marker = [ ]
│ │ ├─ flags = 0
│ │ ╰─ t_token_type = WORD_TOKEN
│ ├─ t_worddesc
│ │ ├─ word = [unclosed]
│ │ ├─ marker = [ ]
│ │ ├─ flags = 0
│ │ ╰─ t_token_type = WORD_TOKEN
│ ╰─ t_worddesc
│ ├─ word = ['(']
│ ├─ marker = [ ' ]
│ ├─ flags = 2
│ ╰─ t_token_type = WORD_TOKEN
╰─ redirections = (empty redir list)
EOF
when_run <<EOF "multiple >"
> > > >
echo \$?
EOF
expecting <<"EOF"
minishell: syntax error near unexpected token `>'
2
EOF
when_run <<EOF "single pipe char"
|
echo \$?
EOF
expecting <<"EOF"
minishell: syntax error near unexpected token `|'
2
EOF
when_run <<EOF "unclosed cmdgroup"
(echo hi
echo \$?
EOF
expecting <<"EOF"
minishell: syntax error near unexpected token `newline'
2
EOF
when_run <<EOF "basic pipe, second command does not accept input"
echo \$? | echo \$?
EOF
expecting <<EOF
0
EOF
when_run <<EOF "basic pipe"
echo hi | cat
EOF
expecting <<EOF
hi
EOF
when_run <<EOF "variable substitution with no valid name is not substitued"
echo \$=
echo \$:
EOF
expecting <<EOF
$=
$:
EOF
when_run <<EOF "variable substitution with a lone dollar sign"
echo " $ " | cat -e
EOF
expecting <<EOF
$ $
EOF
when_run <<EOF "handling of positional arguments"
echo \$9HOME
EOF
expecting <<EOF
\$9HOME
EOF
when_run <<EOF "invalid redirection in echo"
echo < >
EOF
expecting <<"EOF"
minishell: syntax error near unexpected token `>'
EOF
when_run <<EOF "here_doc"
cat << EOT
hello!
EOT
EOF
expecting <<EOF
hello!
EOF
when_run <<EOF "double pipe after echo"
echo | |
EOF
expecting <<"EOF"
minishell: syntax error near unexpected token `|'
EOF
when_run <<EOF "empty variables are removed"
""
\$EMPTY_NO_VALUE
echo not \$EMPTY_NO_VALUE printed
EOF
expecting <<EOF
minishell: : command not found
not printed
EOF
when_run <<EOF "absolute path to command which does not exist"
/cmd/does/not/exist
echo \$?
EOF
expecting <<EOF
minishell: /cmd/does/not/exist: No such file or directory
127
EOF
EXTRAENV="HOME=/home/fakeuser"
when_run <<EOF "?\$HOME"
?\$HOME
echo \$?
EOF
expecting <<EOF
minishell: ?/home/fakeuser: No such file or directory
127
EOF
when_run <<"EOF" "export with no arguments"
export
export $DONTEXIT
export $NOSUCHVAR $DONTEXIST
EOF
expecting <<EOF
EOF
when_run <<EOF "env with grep"
env | grep HOME
EOF
expecting <<EOF
$(env | grep HOME)
EOF
when_run <<EOF "export with empty arguments"
export "" ""
echo \$?
EOF
expecting <<"EOF"
minishell: export: `': not a valid identifier
minishell: export: `': not a valid identifier
1
EOF
when_run <<EOF "export with invalid identifiers"
export T%=T T$=T 0=T 1=T \$?=T TE+S=T
echo \$?
EOF
expecting <<"EOF"
minishell: export: `T%=T': not a valid identifier
minishell: export: `T$=T': not a valid identifier
minishell: export: `0=T': not a valid identifier
minishell: export: `1=T': not a valid identifier
minishell: export: `0=T': not a valid identifier
minishell: export: `TE+S=T': not a valid identifier
1
EOF
when_run <<"EOF" "export with identifiers containing numbers"
export VAR1=this VAR2=should VAR3=work VAR4=no VAR5="problem!"
echo $VAR1 $VAR2 $VAR3 $VAR4 $VAR5
EOF
expecting <<EOF
this should work no problem!
EOF
when_run <<"EOF" "export with identifiers containing and starting with underscore"
export __var__=__value__ _snake_case_variable_names_=Pascal_Snake_Case
echo $__var__ $_snake_case_variable_names_
EOF
expecting <<EOF
__value__ Pascal_Snake_Case
EOF
when_run <<"EOF" "export with identifiers containing dashes"
export -VAR=value lisp-case="(defun botsbuildbots () (botsbuildbots))" --option-case=--no-preserve-root
EOF
expecting <<"EOF"
minishell: export: `-VAR=value': not a valid identifier
minishell: export: `lisp-case=(defun botsbuildbots () (botsbuildbots))': not a valid identifier
minishell: export: `--option-case=--no-preserve-root': not a valid identifier
EOF
when_run <<"EOF" "export with variable substitution in arguments"
export type=nuclear phrase="the $type option"
echo $phrase
export phrase="the $type option" $type="the $type option"
echo $phrase
echo $nuclear
EOF
expecting <<EOF
the option
the nuclear option
the nuclear option
EOF
when_run <<"EOF" "redirect with expansion in target"
export target=outfile
echo -n "hello " > $target
echo there >> $target
ls
cat < $target
EOF
expecting <<EOF
outfile
hello there
EOF
when_run <<"EOF" "ambiguous redirect"
export target="outfile1 outfile2"
echo hello > $target
echo $?
echo hi >> $target
echo $?
cat < $target
echo $?
ls
echo $?
EOF
expecting <<"EOF"
minishell: $target: ambiguous redirect
1
minishell: $target: ambiguous redirect
1
minishell: $target: ambiguous redirect
1
0
EOF
when_run <<"EOF" "wildcard expansion in redirect"
touch "microsoft windows"
echo hello > *m*cros*ft*
echo $?
echo goodbye >> *w*nd*ws*
echo $?
ls
cat < *soft*
echo $?
EOF
expecting <<EOF
0
0
microsoft windows
hello
goodbye
0
EOF
when_run <<EOF "correct parsing and debugging of multiple redirections"
.debug
.exec
echo hello > outfile > outfile
EOF
expecting <<EOF
[dbg: 1]
[exec: 0]
parsed command
╰─ t_cmd
├─ t_cmd_type = FT_SIMPLE
├─ flags = 0
├─ line = 0
╰─ value
╰─ t_simple_cmd
├─ line = 0
├─ t_wordlist
│ ├─ t_worddesc
│ │ ├─ word = [echo]
│ │ ├─ marker = [ ]
│ │ ├─ flags = 0
│ │ ╰─ t_token_type = WORD_TOKEN
│ ╰─ t_worddesc
│ ├─ word = [hello]
│ ├─ marker = [ ]
│ ├─ flags = 0
│ ╰─ t_token_type = WORD_TOKEN
╰─ redirections
├─ redirections[0]
│ ╰─ t_redirect
│ ├─ redir_type = FT_OUTPUT_TRUNC_REDIR
│ ├─ source = 1
│ ├─ open_flags = 577
│ ├─ c_flags = 420
│ ├─ t_redirectee
│ │ ╰─ t_worddesc
│ │ ├─ word = [outfile]
│ │ ├─ marker = [ ]
│ │ ├─ flags = 0
│ │ ╰─ t_token_type = WORD_TOKEN
│ ├─ c_flags = [(null)]
│ ╰─ here_doc_eof = [(null)]
╰─ redirections[1]
╰─ t_redirect
├─ redir_type = FT_OUTPUT_TRUNC_REDIR
├─ source = 1
├─ open_flags = 577
├─ c_flags = 420
├─ t_redirectee
│ ╰─ t_worddesc
│ ├─ word = [outfile]
│ ├─ marker = [ ]
│ ├─ flags = 0
│ ╰─ t_token_type = WORD_TOKEN
├─ c_flags = [(null)]
╰─ here_doc_eof = [(null)]
EOF
when_run <<EOF "correctly handle multiple redirections"
echo hello > outfile > outfile
cat outfile
EOF
expecting <<EOF
hello
EOF
when_run <<"EOF" "unquoting behaviour"
export target="'outfile'"
echo $target
EOF
expecting <<EOF
'outfile'
EOF
when_run <<"EOF" "quote removal in redirect"
echo 42 > "the answer"
echo $?
ls
echo 42 >> "the answer"
echo $?
cat < "the answer"
echo $?
EOF
expecting <<EOF
0
the answer
0
42
42
0
EOF
when_run <<"EOF" "no glob expansion in variable expansions"
touch "the answer"
export target="the*"
echo $target
echo hi > $target
echo hello >> $target
cat < $target
ls
EOF
expecting <<"EOF"
the answer
hi
hello
the answer
EOF
when_run <<EOF "output to file with no access"
echo hello > /root/outfile
echo \$?
EOF
expecting <<EOF
minishell: /root/outfile: Permission denied
1
EOF
when_run <<"EOF" "print error when unclosed quotes"
echo " kjlhgsaf
echo $?
echo ' HGIFUY
echo $?
echo '"HGIFUY"
echo $?
echo '"HGIFUY
echo $?
echo "'HGIFUY
echo $?
echo "' HGI'FUY
echo $?
echo boubou
echo $?
EOF
expecting <<"EOF"
minishell: unexpected EOF while looking for matching `"'
2
minishell: unexpected EOF while looking for matching `''
2
minishell: unexpected EOF while looking for matching `''
2
minishell: unexpected EOF while looking for matching `''
2
minishell: unexpected EOF while looking for matching `"'
2
minishell: unexpected EOF while looking for matching `"'
2
boubou
0
EOF
when_run <<EOF "PATH unset with command in current dir"
touch cat
unset PATH
cat
echo \$?
EOF
expecting <<EOF
minishell: cat: Permission denied
126
EOF
when_run <<EOF "unclosed ("
(echo unclosed paren
EOF
expecting <<"EOF"
minishell: syntax error near unexpected token `newline'
EOF
when_run <<"EOF" "unclosed ( in export"
export VAR=bon(jour
echo $?
echo var=$VAR
EOF
expecting <<"EOF"
minishell: syntax error near unexpected token `('
2
var=
EOF
when_run <<"EOF" "unmatched )"
echo unclosed paren)
echo $?
EOF
expecting <<"EOF"
minishell: syntax error near unexpected token `)'
2
EOF
when_run <<"EOF" "unmatched ) in export"
export VAR=bon)jour
echo $?
echo var=$VAR
EOF
expecting <<"EOF"
minishell: syntax error near unexpected token `)'
2
var=
EOF
when_run <<"EOF" "unexpected () in export"
export VAR=bon()jour
echo $?
echo var=$VAR
EOF
expecting <<"EOF"
minishell: syntax error near unexpected token `('
2
var=
EOF
when_run <<"EOF" "@ in variable value"
export VAR=bon@jour
echo $VAR
EOF
expecting <<EOF
bon@jour
EOF
when_run <<"EOF" "variable substitution in export variable name"
export VAR=answer
export the_$VAR=42
echo the answer is $the_answer
EOF
expecting <<EOF
the answer is 42
EOF
when_run <<"EOF" "variable substitution in export variable name"
export VAR=answer
export $VAR=42
echo the answer is $answer
EOF
expecting <<EOF
the answer is 42
EOF
when_run <<"EOF" "quote removal before word splitting"
export VAR="hello "
echo $VAR | cat -e
EOF
expecting <<"EOF"
hello$
EOF
when_run <<"EOF" "quote removal before word splitting"
export VAR=" hello world "
echo -$VAR- | cat -e
EOF
expecting <<"EOF"
- hello world -$
EOF
when_run <<"EOF" "quote removal before word splitting"
export VAR=" hello world "
echo "-$VAR-" | cat -e
EOF
expecting <<"EOF"
- hello world -$
EOF
when_run <<"EOF" "echo arguments in variables"
export VAR="-n hello"
echo $VAR | cat -e
echo
EOF
expecting <<"EOF"
hello
EOF
when_run <<"EOF" "echo with simple quotes in variables"
export VAR=" hello' 'world "
echo "-$VAR-"
echo -$VAR-
EOF
expecting <<"EOF"
- hello' 'world -
- hello' 'world -
EOF
when_run <<"EOF" "previous variable value in export"
export VAR=hello
export VAR=" $VAR and goodbye"
echo $VAR | cat -e
EOF
expecting <<EOF
hello and goodbye$
EOF
when_run <<"EOF" "previous variable value in export, but single-quoted"
export VAR=hello
export VAR=' $VAR and goodbye'
echo $VAR | cat -e
EOF
expecting <<"EOF"
$VAR and goodbye$
EOF
when_run <<"EOF" "previous variable value in export, with word joining"
export VAR=hello
export VAR=" $VAR and goodbye"$VAR
echo $VAR | cat -e
EOF
expecting <<EOF
hello and goodbyehello$
EOF
when_run <<"EOF" "command partially in variable"
touch file1 file2
export CMD="s -a"
l$CMD
EOF
expecting <<EOF
.
..
file1
file2
EOF
when_run <<"EOF" "export with extra ="
export VA=A=hello
echo $VA
EOF
expecting <<EOF
A=hello
EOF
when_run <<"EOF" "export with extra = and empty string"
export HOL=A=""
echo $HOL
EOF
expecting <<EOF
A=
EOF
when_run <<EOF "unset PATH leads to No such file or directory error"
export EXTRAPATH="$(dirname $(which ls))"
qwertyuiop
unset PATH
qwertyuiop
export PATH=""
qwertyuiop
export PATH=":"
qwertyuiop
export PATH="::"
qwertyuiop
export PATH="\$EXTRAPATH"
qwertyuiop
export PATH=":\$EXTRAPATH"
qwertyuiop
export PATH="\$EXTRAPATH:"
qwertyuiop
EOF
expecting <<EOF
minishell: qwertyuiop: command not found
minishell: qwertyuiop: No such file or directory
minishell: qwertyuiop: No such file or directory
minishell: qwertyuiop: command not found
minishell: qwertyuiop: command not found
minishell: qwertyuiop: command not found
minishell: qwertyuiop: command not found
minishell: qwertyuiop: command not found
EOF
when_run <<EOF "cd into a file"
touch file
cd file
echo \$?
EOF
expecting <<EOF
minishell: cd: file: Not a directory
1
EOF
when_run <<EOF "subshell"
touch hi hello
(ls)
EOF
expecting <<EOF
hello
hi
EOF
when_run <<EOF "subshell within subshell"
touch hi hello
((ls))
EOF
expecting <<EOF
hello
hi
EOF
when_run <<EOF "subshell within and"
touch hi hello
ls && (ls)
EOF
expecting <<EOF
hello
hi
hello
hi
EOF
when_run <<EOF "subshell within or"
touch hi hello
(ls) || ls
EOF
expecting <<EOF
hello
hi
EOF
when_run <<EOF "exit within subshell within or"
touch hi hello
(exit 1) || ls
EOF
expecting <<EOF
hello
hi
EOF
when_run <<EOF "and withing subshell"
touch hi hello
(ls && ls)
echo \$?
EOF
expecting <<EOF
hello
hi
hello
hi
0
EOF
when_run <<EOF "or withing subshell"
touch hi hello
(false || ls)
echo \$?
EOF
expecting <<EOF
hello
hi
0
EOF
when_run <<EOF "and"
touch hi hello
ls && ls
echo \$?
EOF
expecting <<EOF
hello
hi
hello
hi
0
EOF
when_run <<EOF "or"
touch hi hello
false || ls
echo \$?
EOF
expecting <<EOF
hello
hi
0
EOF
when_run <<"EOF" "unquoting behaviour with wildcard"
touch outfile
export target="'out*'"
echo $target
ls
EOF
expecting <<EOF
'out*'
outfile
EOF
when_run <<"EOF" "normal behaviour with wildcard before echo"
touch outfile
export target=out*
echo $target
EOF
expecting <<EOF
outfile
EOF
when_run <<"EOF" "normal behaviour with wildcard after variable expansion"
touch outfile
export target="out*"
echo $target
EOF
expecting <<EOF
outfile
EOF
when_run <<"EOF" "normal behaviour with wildcard before echo where no file corresponds"
export target=out*
echo $target
EOF
expecting <<EOF
out*
EOF
when_run <<"EOF" "normal behaviour with wildcard after variable expansion where no file corresponds"
export target="out*"
echo $target
EOF
expecting <<EOF
out*
EOF
when_run <<EOF "subshell combination with and"
((echo hello)&&echo hi)
EOF
expecting <<EOF
hello
hi
EOF
when_run <<EOF "nested subshell combination with and"
(echo hello&&((echo hi)))
EOF
expecting <<EOF
hello
hi
EOF
when_run <<EOF "subshell redirection with and"
(echo hello && echo hi) > outfile
ls
cat outfile
EOF
expecting <<EOF
outfile
hello
hi
EOF
when_run <<EOF "output redirections with no associated cmd"
> outfile1 >> outfile2
ls
EOF
expecting <<EOF
outfile1
outfile2
EOF
when_run <<EOF "here-doc with no associated cmd"
<< eof
hello there
eof
echo \$?
EOF
expecting <<EOF
0
EOF
when_run <<EOF "input redirection with no associated cmd"
echo hello > infile
< infile
echo \$?
EOF
expecting <<EOF
0
EOF
when_run <<EOF "input redirection with no associated cmd where infile does not exist"
< infile
echo \$?
EOF
expecting <<EOF
minishell: infile: No such file or directory
1
EOF
when_run <<EOF "nested connections"
(echo hi||pwd)&&(echo hello||pwd)
EOF
expecting <<EOF
hi
hello
EOF
when_run <<EOF "incorrect command into redirection"
printff hello > bonjour
ls
EOF
expecting <<EOF
minishell: printff: command not found
bonjour
EOF
when_run <<"EOF" "redirection expansion when no commands are included"
export VAR="bonjour hello"
>$VAR>hey
ls
>hey>$VAR
ls
>hey>$VAR>hey>hey
ls
EOF
expecting <<"EOF"
minishell: $VAR: ambiguous redirect
minishell: $VAR: ambiguous redirect
minishell: $VAR: ambiguous redirect
EOF
when_run <<"EOF" "here-documents limiter is not expanded"
export LIM=hello
cat << $LIM
hi
hello
goodbye
$LIM
<< $LIM
EOF
expecting <<"EOF"
hi
hello
goodbye
minishell: warning: here-document delimited by end-of-file (wanted `$LIM')
EOF
when_run <<EOF "heredoc does not execute commands"
cat << eof > bonjour
echo hello
cat bonjour
EOF
expecting <<"EOF"
minishell: warning: here-document delimited by end-of-file (wanted `eof')
EOF
when_run <<EOF "heredoc into another file"
cat << eof > bonjour
hello
there
eof
cat bonjour
EOF
expecting <<"EOF"
hello
there
EOF
when_run <<EOF "heredoc into another command"
cat << eof | rev
hello
there
eof
EOF
expecting <<"EOF"
olleh
ereht
EOF
when_run <<EOF "heredoc all alone"
<< eof
it's just me
by myself
i'm all alone ;.;
eof
EOF
expecting <<"EOF"
EOF
when_run <<EOF "TRIPLE SUMMON"
cat<<x<<y<<z
hello
x
there
y
hi
z
EOF
expecting <<EOF
hi
EOF
when_run <<EOF "TRIPLE SUMMON into unknown command"
qwertyuiop<<x<<y<<z
hello
x
there
y
hi
z
echo \$?
EOF
expecting <<EOF
minishell: qwertyuiop: command not found
127
EOF
when_run <<EOF "simple quote removal for heredoc-limiters"
cat << 'hola'
test
hola
EOF
expecting <<EOF
test
EOF
when_run <<EOF "double quote removal for heredoc-limiters"
cat << "hola"
test
hola
EOF
expecting <<EOF
test
EOF
when_run <<EOF "nested quote removal for heredoc-limiters"
cat << "'hola'"
test
'hola'
EOF
expecting <<EOF
test
EOF
when_run <<EOF "absent quoted limiter for heredoc-limiters"
cat << "'hola'"
test
EOF
expecting <<"EOF"
minishell: warning: here-document delimited by end-of-file (wanted `'hola'')
test
EOF
when_run <<EOF "exit in pipeline"
exit 10 | echo hi
EOF
expecting <<EOF
hi
EOF
when_run <<EOF "wildcard redirect ambiguous"
touch a.txt b.txt
echo hello > *.txt
EOF
expecting <<EOF
minishell: *.txt: ambiguous redirect
EOF
finalize
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