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path: root/tests.sh
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#!/bin/bash

set -o physical
umask 022

export LC_ALL=C
export TZ=UTC

# The temporary directory that will hold our test data
TMP="$(mktemp -d "${TMPDIR:-/tmp}"/bfs.XXXXXXXXXX)"
chown "$(id -u)":"$(id -g)" "$TMP"

# Clean up temporary directories on exit
function cleanup() {
    rm -rf "$TMP"
}
trap cleanup EXIT

# Install a file, creating any parent directories
function installp() {
    local target="${@: -1}"
    mkdir -p "${target%/*}"
    install "$@"
}

# Like a mythical touch -p
function touchp() {
    installp -m644 /dev/null "$1"
}

# Creates a simple file+directory structure for tests
function make_basic() {
    touchp "$1/a"
    touchp "$1/b"
    touchp "$1/c/d"
    touchp "$1/e/f"
    mkdir -p "$1/g/h"
    mkdir -p "$1/i"
    touchp "$1/j/foo"
    touchp "$1/k/foo/bar"
    touchp "$1/l/foo/bar/baz"
    echo baz >"$1/l/foo/bar/baz"
}
make_basic "$TMP/basic"

# Creates a file+directory structure with various permissions for tests
function make_perms() {
    installp -m444 /dev/null "$1/r"
    installp -m222 /dev/null "$1/w"
    installp -m644 /dev/null "$1/rw"
    installp -m555 /dev/null "$1/rx"
    installp -m311 /dev/null "$1/wx"
    installp -m755 /dev/null "$1/rwx"
}
make_perms "$TMP/perms"

# Creates a file+directory structure with various symbolic and hard links
function make_links() {
    touchp "$1/a"
    ln -s a "$1/b"
    ln "$1/a" "$1/c"
    mkdir -p "$1/d/e/f"
    ln -s ../../d "$1/d/e/g"
    ln -s d/e "$1/h"
    ln -s q "$1/d/e/i"
}
make_links "$TMP/links"

# Creates a file+directory structure with varying timestamps
function make_times() {
    mkdir -p "$1"
    touch -t 199112140000 "$1/a"
    touch -t 199112140001 "$1/b"
    touch -t 199112140002 "$1/c"
    ln -s a "$1/l"
    touch -h -t 199112140003 "$1/l"
    touch -t 199112140004 "$1"
}
make_times "$TMP/times"

# Creates a file+directory structure with various weird file/directory names
function make_weirdnames() {
    touchp "$1/-/a"
    touchp "$1/(/b"
    touchp "$1/(-/c"
    touchp "$1/!/d"
    touchp "$1/!-/e"
    touchp "$1/,/f"
    touchp "$1/)/g"
    touchp "$1/.../h"
}
make_weirdnames "$TMP/weirdnames"

# Creates a scratch directory that tests can modify
function make_scratch() {
    mkdir -p "$1"
}
make_scratch "$TMP/scratch"

function _realpath() {
    (
        cd "${1%/*}"
        echo "$PWD/${1##*/}"
    )
}

BFS="$(_realpath ./bfs)"
TESTS="$(_realpath ./tests)"

posix_tests=(
    test_basic
    test_type_d
    test_type_f
    test_mindepth
    test_maxdepth
    test_depth
    test_depth_slash
    test_depth_mindepth_1
    test_depth_mindepth_2
    test_depth_maxdepth_1
    test_depth_maxdepth_2
    test_name
    test_name_root
    test_name_root_depth
    test_name_trailing_slash
    test_path
    test_newer
    test_links
    test_links_plus
    test_links_minus
    test_H
    test_H_slash
    test_H_broken
    test_H_newer
    test_L
    test_L_depth
    test_user_name
    test_user_id
    test_group_name
    test_group_id
    test_size
    test_size_plus
    test_size_bytes
    test_exec
    test_exec_plus
    test_flag_comma
    test_perm_222
    test_perm_222_minus
    test_perm_644
    test_perm_644_minus
    test_perm_symbolic
    test_perm_symbolic_minus
    test_perm_leading_plus_symbolic_minus
    test_ok_stdin
    test_parens
    test_bang
    test_implicit_and
    test_a
    test_o
)

bsd_tests=(
    test_P
    test_P_slash
    test_follow
    test_samefile
    test_name_slash
    test_name_slashes
    test_iname
    test_ipath
    test_lname
    test_ilname
    test_L_lname
    test_L_ilname
    test_newerma
    test_size_big
    test_exec_substring
    test_execdir_pwd
    test_double_dash
    test_flag_double_dash
    test_ok_stdin
    test_okdir_stdin
    test_delete_root
    test_execdir_slash
    test_execdir_slash_pwd
    test_execdir_slashes
    test_regex
    test_iregex
    test_regex_parens
    test_E
    test_d_path
    test_f
    test_depth_n
    test_depth_n_plus
    test_depth_n_minus
    test_depth_depth_n
    test_depth_depth_n_plus
    test_depth_depth_n_minus
    test_gid_name
    test_uid_name
    test_mnewer
    test_H_mnewer
    test_size_T
    test_quit
    test_quit_child
    test_quit_depth
    test_quit_depth_child
    test_inum
    test_nogroup
    test_nouser
    test_quit_after_print
    test_quit_before_print
)

gnu_tests=(
    test_executable
    test_readable
    test_writable
    test_empty
    test_gid
    test_gid_plus
    test_gid_minus
    test_uid
    test_uid_plus
    test_uid_minus
    test_anewer
    test_P
    test_P_slash
    test_follow
    test_samefile
    test_xtype_l
    test_xtype_f
    test_L_xtype_l
    test_L_xtype_f
    test_name_slash
    test_name_slashes
    test_iname
    test_ipath
    test_lname
    test_ilname
    test_L_lname
    test_L_ilname
    test_daystart
    test_daystart_twice
    test_newerma
    test_size_big
    test_exec_substring
    test_execdir
    test_execdir_substring
    test_execdir_pwd
    test_weird_names
    test_flag_weird_names
    test_follow_comma
    test_fprint
    test_double_dash
    test_flag_double_dash
    test_ignore_readdir_race
    test_ignore_readdir_race_root
    test_perm_222_slash
    test_perm_644_slash
    test_perm_symbolic_slash
    test_perm_leading_plus_symbolic_slash
    test_delete_root
    test_execdir_slash
    test_execdir_slash_pwd
    test_execdir_slashes
    test_regex
    test_iregex
    test_regex_parens
    test_regextype_posix_basic
    test_regextype_posix_extended
    test_path_d
    test_quit
    test_quit_child
    test_quit_depth
    test_quit_depth_child
    test_inum
    test_nogroup
    test_nouser
    test_printf
    test_printf_slash
    test_printf_slashes
    test_printf_trailing_slash
    test_printf_trailing_slashes
    test_printf_flags
    test_printf_types
    test_printf_escapes
    test_printf_times
    test_printf_leak
    test_quit_after_print
    test_quit_before_print
    test_not
    test_and
    test_or
    test_comma
    test_precedence
)

bfs_tests=(
    test_type_multi
    test_xtype_multi
    test_perm_symbolic_trailing_comma
    test_perm_symbolic_double_comma
    test_perm_symbolic_missing_action
    test_perm_leading_plus_symbolic
    test_perm_octal_plus
    test_exec_plus_substring
    test_execdir_plus
    test_execdir_plus_substring
    test_hidden
    test_nohidden
    test_path_flag_expr
    test_path_expr_flag
    test_flag_expr_path
    test_expr_flag_path
    test_expr_path_flag
    test_colors
)

BSD=yes
GNU=yes
ALL=yes

for arg; do
    case "$arg" in
        --bfs=*)
            BFS="${arg#*=}"
            ;;
        --posix)
            BSD=
            GNU=
            ALL=
            ;;
        --bsd)
            BSD=yes
            GNU=
            ALL=
            ;;
        --gnu)
            BSD=
            GNU=yes
            ALL=
            ;;
        --all)
            BSD=yes
            GNU=yes
            ALL=yes
            ;;
        --update)
            UPDATE=yes
            ;;
        *)
            echo "Unrecognized option '$arg'." >&2
            exit 1
            ;;
    esac
done

function enable_tests() {
    for test; do
        eval run_$test=yes
    done
}

enable_tests "${posix_tests[@]}"
[ "$BSD" ] && enable_tests "${bsd_tests[@]}"
[ "$GNU" ] && enable_tests "${gnu_tests[@]}"
[ "$ALL" ] && enable_tests "${bfs_tests[@]}"

function bfs_sort() {
    awk -F/ '{ print NF - 1 " " $0 }' | sort -n | cut -d' ' -f2-
}

function bfs_diff() {
    local OUT="$TESTS/${FUNCNAME[1]}.out"
    if [ "$UPDATE" ]; then
        $BFS "$@" | bfs_sort >"$OUT"
    else
        diff -u "$OUT" <($BFS "$@" | bfs_sort)
    fi
}

cd "$TMP"

# Test cases

function test_basic() {
    bfs_diff basic
}

function test_type_d() {
    bfs_diff basic -type d
}

function test_type_f() {
    bfs_diff basic -type f
}

function test_type_multi() {
    bfs_diff links -type f,d,c
}

function test_mindepth() {
    bfs_diff basic -mindepth 1
}

function test_maxdepth() {
    bfs_diff basic -maxdepth 1
}

function test_depth() {
    bfs_diff basic -depth
}

function test_depth_slash() {
    bfs_diff basic/ -depth
}

function test_depth_mindepth_1() {
    bfs_diff basic -mindepth 1 -depth
}

function test_depth_mindepth_2() {
    bfs_diff basic -mindepth 2 -depth
}

function test_depth_maxdepth_1() {
    bfs_diff basic -maxdepth 1 -depth
}

function test_depth_maxdepth_2() {
    bfs_diff basic -maxdepth 2 -depth
}

function test_name() {
    bfs_diff basic -name '*f*'
}

function test_name_root() {
    bfs_diff basic/a -name a
}

function test_name_root_depth() {
    bfs_diff basic/g -depth -name g
}

function test_name_trailing_slash() {
    bfs_diff basic/g/ -name g
}

function test_name_slash() {
    bfs_diff / -maxdepth 0 -name / 2>/dev/null
}

function test_name_slashes() {
    bfs_diff /// -maxdepth 0 -name / 2>/dev/null
}

function test_path() {
    bfs_diff basic -path 'basic/*f*'
}

function test_executable() {
    bfs_diff perms -executable
}

function test_readable() {
    bfs_diff perms -readable
}

function test_writable() {
    bfs_diff perms -writable
}

function test_empty() {
    bfs_diff basic -empty
}

function test_gid() {
    bfs_diff basic -gid "$(id -g)"
}

function test_gid_plus() {
    bfs_diff basic -gid +0
}

function test_gid_minus() {
    bfs_diff basic -gid "-$(($(id -g) + 1))"
}

function test_uid() {
    bfs_diff basic -uid "$(id -u)"
}

function test_uid_plus() {
    bfs_diff basic -uid +0
}

function test_uid_minus() {
    bfs_diff basic -uid "-$(($(id -u) + 1))"
}

function test_newer() {
    bfs_diff times -newer times/a
}

function test_anewer() {
    bfs_diff times -anewer times/a
}

function test_links() {
    bfs_diff links -type f -links 2
}

function test_links_plus() {
    bfs_diff links -type f -links +1
}

function test_links_minus() {
    bfs_diff links -type f -links -2
}

function test_P() {
    bfs_diff -P links/d/e/f
}

function test_P_slash() {
    bfs_diff -P links/d/e/f/
}

function test_H() {
    bfs_diff -H links/d/e/f
}

function test_H_slash() {
    bfs_diff -H links/d/e/f/
}

function test_H_broken() {
    bfs_diff -H links/d/e/i
}

function test_H_newer() {
    bfs_diff -H times -newer times/l
}

function test_L() {
    bfs_diff -L links 2>/dev/null
}

function test_follow() {
    bfs_diff links -follow 2>/dev/null
}

function test_L_depth() {
    bfs_diff -L links -depth 2>/dev/null
}

function test_samefile() {
    bfs_diff links -samefile links/a
}

function test_xtype_l() {
    bfs_diff links -xtype l
}

function test_xtype_f() {
    bfs_diff links -xtype f
}

function test_L_xtype_l() {
    bfs_diff -L links -xtype l 2>/dev/null
}

function test_L_xtype_f() {
    bfs_diff -L links -xtype f 2>/dev/null
}

function test_xtype_multi() {
    bfs_diff links -xtype f,d,c
}

function test_iname() {
    bfs_diff basic -iname '*F*'
}

function test_ipath() {
    bfs_diff basic -ipath 'basic/*F*'
}

function test_lname() {
    bfs_diff links -lname '[aq]'
}

function test_ilname() {
    bfs_diff links -ilname '[AQ]'
}

function test_L_lname() {
    bfs_diff -L links -lname '[aq]' 2>/dev/null
}

function test_L_ilname() {
    bfs_diff -L links -ilname '[AQ]' 2>/dev/null
}

function test_user_name() {
    bfs_diff basic -user "$(id -un)"
}

function test_user_id() {
    bfs_diff basic -user "$(id -u)"
}

function test_group_name() {
    bfs_diff basic -group "$(id -gn)"
}

function test_group_id() {
    bfs_diff basic -group "$(id -g)"
}

function test_daystart() {
    bfs_diff basic -daystart -mtime 0
}

function test_daystart_twice() {
    bfs_diff basic -daystart -daystart -mtime 0
}

function test_newerma() {
    bfs_diff times -newerma times/a
}

function test_size() {
    bfs_diff basic -type f -size 0
}

function test_size_plus() {
    bfs_diff basic -type f -size +0
}

function test_size_bytes() {
    bfs_diff basic -type f -size +0c
}

function test_size_big() {
    bfs_diff basic -size 9223372036854775807
}

function test_exec() {
    bfs_diff basic -exec echo '{}' ';'
}

function test_exec_plus() {
    bfs_diff basic -exec "$TESTS/sort-args.sh" '{}' +
}

function test_exec_substring() {
    bfs_diff basic -exec echo '-{}-' ';'
}

function test_exec_plus_substring() {
    bfs_diff basic -exec "$TESTS/sort-args.sh" a '-{}-' z +
}

function test_execdir() {
    bfs_diff basic -execdir echo '{}' ';'
}

function test_execdir_plus() {
    bfs_diff basic -execdir "$TESTS/sort-args.sh" '{}' +
}

function test_execdir_substring() {
    bfs_diff basic -execdir echo '-{}-' ';'
}

function test_execdir_plus_substring() {
    bfs_diff basic -execdir "$TESTS/sort-args.sh" a '-{}-' z +
}

function test_execdir_pwd() {
    local TMP_REAL="$(cd "$TMP" && pwd)"
    local OFFSET="$((${#TMP_REAL} + 2))"
    bfs_diff basic -execdir bash -c "pwd | cut -b$OFFSET-" ';'
}

function test_weird_names() {
    cd weirdnames
    bfs_diff '-' '(-' '!-' ',' ')' './(' './!' \( \! -print , -print \)
}

function test_flag_weird_names() {
    cd weirdnames
    bfs_diff -L '-' '(-' '!-' ',' ')' './(' './!' \( \! -print , -print \)
}

function test_flag_comma() {
    # , is a filename until a non-flag is seen
    cd weirdnames
    bfs_diff -L ',' -print
}

function test_follow_comma() {
    # , is an operator after a non-flag is seen
    cd weirdnames
    bfs_diff -follow ',' -print
}

function test_fprint() {
    if [ "$UPDATE" ]; then
        $BFS basic -fprint "$TESTS/test_fprint.out"
        sort -o "$TESTS/test_fprint.out" "$TESTS/test_fprint.out"
    else
        $BFS basic -fprint scratch/test_fprint.out
        sort -o scratch/test_fprint.out scratch/test_fprint.out
        diff -u scratch/test_fprint.out "$TESTS/test_fprint.out"
    fi
}

function test_double_dash() {
    cd basic
    bfs_diff -- . -type f
}

function test_flag_double_dash() {
    cd basic
    bfs_diff -L -- . -type f
}

function test_ignore_readdir_race() {
    rm -rf scratch/*
    touch scratch/{foo,bar}

    # -links 1 forces a stat() call, which will fail for the second file
    $BFS scratch -mindepth 1 -ignore_readdir_race -links 1 -exec "$TESTS/remove-sibling.sh" '{}' ';'
}

function test_ignore_readdir_race_root() {
    # Make sure -ignore_readdir_race doesn't suppress ENOENT at the root
    ! $BFS basic/nonexistent -ignore_readdir_race 2>/dev/null
}

function test_perm_222() {
    bfs_diff perms -perm 222
}

function test_perm_222_minus() {
    bfs_diff perms -perm -222
}

function test_perm_222_slash() {
    bfs_diff perms -perm /222
}

function test_perm_644() {
    bfs_diff perms -perm 644
}

function test_perm_644_minus() {
    bfs_diff perms -perm -644
}

function test_perm_644_slash() {
    bfs_diff perms -perm /644
}

function test_perm_symbolic() {
    bfs_diff perms -perm a+r,u=wX,g+wX-w
}

function test_perm_symbolic_minus() {
    bfs_diff perms -perm -a+r,u=wX,g+wX-w
}

function test_perm_symbolic_slash() {
    bfs_diff perms -perm /a+r,u=wX,g+wX-w
}

function test_perm_symbolic_trailing_comma() {
    ! $BFS perms -perm a+r, 2>/dev/null
}

function test_perm_symbolic_double_comma() {
    ! $BFS perms -perm a+r,,u+w 2>/dev/null
}

function test_perm_symbolic_missing_action() {
    ! $BFS perms -perm a 2>/dev/null
}

function test_perm_leading_plus_symbolic() {
    bfs_diff perms -perm +rwx
}

function test_perm_leading_plus_symbolic_minus() {
    bfs_diff perms -perm -+rwx
}

function test_perm_leading_plus_symbolic_slash() {
    bfs_diff perms -perm /+rwx
}

function test_perm_octal_plus() {
    ! $BFS perms -perm +777 2>/dev/null
}

function test_ok_stdin() {
    # -ok should *not* close stdin
    # See https://savannah.gnu.org/bugs/?24561
    yes | bfs_diff basic -ok bash -c "printf '%s? ' {} && head -n1" \; 2>/dev/null
}

function test_okdir_stdin() {
    # -okdir should *not* close stdin
    yes | bfs_diff basic -okdir bash -c "printf '%s? ' {} && head -n1" \; 2>/dev/null
}

function test_delete_root() {
    # Don't try to delete '.'
    (cd scratch && $BFS . -delete)
}

function test_execdir_slash() {
    # Don't prepend ./ for absolute paths in -execdir
    bfs_diff / -maxdepth 0 -execdir echo '{}' ';'
}

function test_execdir_slash_pwd() {
    bfs_diff / -maxdepth 0 -execdir pwd ';'
}

function test_execdir_slashes() {
    bfs_diff /// -maxdepth 0 -execdir echo '{}' ';'
}

function test_regex() {
    bfs_diff basic -regex 'basic/./.'
}

function test_iregex() {
    bfs_diff basic -iregex 'basic/[A-Z]/[a-z]'
}

function test_regex_parens() {
    cd weirdnames
    bfs_diff . -regex '\./\((\)'
}

function test_E() {
    cd weirdnames
    bfs_diff -E . -regex '\./(\()'
}

function test_regextype_posix_basic() {
    cd weirdnames
    bfs_diff -regextype posix-basic -regex '\./\((\)'
}

function test_regextype_posix_extended() {
    cd weirdnames
    bfs_diff -regextype posix-extended -regex '\./(\()'
}

function test_d_path() {
    bfs_diff -d basic
}

function test_path_d() {
    bfs_diff basic -d
}

function test_f() {
    cd weirdnames
    bfs_diff -f '-' -f '('
}

function test_hidden() {
    bfs_diff weirdnames -hidden
}

function test_nohidden() {
    bfs_diff weirdnames -nohidden
}

function test_depth_n() {
    bfs_diff basic -depth 2
}

function test_depth_n_plus() {
    bfs_diff basic -depth +2
}

function test_depth_n_minus() {
    bfs_diff basic -depth -2
}

function test_depth_depth_n() {
    bfs_diff basic -depth -depth 2
}

function test_depth_depth_n_plus() {
    bfs_diff basic -depth -depth +2
}

function test_depth_depth_n_minus() {
    bfs_diff basic -depth -depth -2
}

function test_gid_name() {
    bfs_diff basic -gid "$(id -gn)"
}

function test_uid_name() {
    bfs_diff basic -uid "$(id -un)"
}

function test_mnewer() {
    bfs_diff times -mnewer times/a
}

function test_H_mnewer() {
    bfs_diff -H times -mnewer times/l
}

function test_size_T() {
    bfs_diff basic -type f -size 1T
}

function test_quit() {
    bfs_diff basic/g -print -name g -quit
}

function test_quit_child() {
    bfs_diff basic/g -print -name h -quit
}

function test_quit_depth() {
    bfs_diff basic/g -depth -print -name g -quit
}

function test_quit_depth_child() {
    bfs_diff basic/g -depth -print -name h -quit
}

function test_quit_after_print() {
    bfs_diff basic basic -print -quit
}

function test_quit_before_print() {
    bfs_diff basic basic -quit -print
}

function test_inum() {
    local inode="$(ls -id basic/k/foo/bar | cut -f1 -d' ')"
    bfs_diff basic -inum "$inode"
}

function test_nogroup() {
    bfs_diff basic -nogroup
}

function test_nouser() {
    bfs_diff basic -nouser
}

function test_printf() {
    bfs_diff basic -printf '%%p(%p) %%d(%d) %%f(%f) %%h(%h) %%H(%H) %%P(%P) %%m(%m) %%M(%M) %%y(%y)\n'
}

function test_printf_slash() {
    bfs_diff / -maxdepth 0 -printf '(%h)/(%f)\n'
}

function test_printf_slashes() {
    bfs_diff /// -maxdepth 0 -printf '(%h)/(%f)\n'
}

function test_printf_trailing_slash() {
    bfs_diff basic/ -printf '(%h)/(%f)\n'
}

function test_printf_trailing_slashes() {
    bfs_diff basic/// -printf '(%h)/(%f)\n'
}

function test_printf_flags() {
    bfs_diff basic -printf '|%- 10.10p| %+03d %#4m\n'
}

function test_printf_types() {
    bfs_diff links -printf '(%p) (%l) %y %Y\n'
}

function test_printf_escapes() {
    bfs_diff basic -maxdepth 0 -printf '\18\118\1118\11118\n\cfoo'
}

function test_printf_times() {
    bfs_diff times -type f -printf '%p | %a %AY-%Am-%Ad %AH:%AI:%AS %T@ | %t %TY-%Tm-%Td %TH:%TI:%TS %T@\n'
}

function test_printf_leak() {
    # Memory leak regression test
    bfs_diff basic -maxdepth 0 -printf '%p'
}

function test_path_flag_expr() {
    bfs_diff links/h -H -type l
}

function test_path_expr_flag() {
    bfs_diff links/h -type l -H
}

function test_flag_expr_path() {
    bfs_diff -H -type l links/h
}

function test_expr_flag_path() {
    bfs_diff -type l -H links/h
}

function test_expr_path_flag() {
    bfs_diff -type l links/h -H
}

function test_parens() {
    bfs_diff basic \( -name '*f*' \)
}

function test_bang() {
    bfs_diff basic \! -name foo
}

function test_not() {
    bfs_diff basic -not -name foo
}

function test_implicit_and() {
    bfs_diff basic -name foo -type d
}

function test_a() {
    bfs_diff basic -name foo -a -type d
}

function test_and() {
    bfs_diff basic -name foo -and -type d
}

function test_o() {
    bfs_diff basic -name foo -o -type d
}

function test_or() {
    bfs_diff basic -name foo -or -type d
}

function test_comma() {
    bfs_diff basic -name '*f*' -print , -print
}

function test_precedence() {
    bfs_diff basic \( -name foo -type d -o -name bar -a -type f \) -print , \! -empty -type f -print
}

function test_colors() {
    LS_COLORS= bfs_diff links -color
}

passed=0
failed=0

for test in ${!run_*}; do
    test=${test#run_}

    if [ -t 1 ]; then
        printf '\r\033[J%s' "$test"
    else
        echo "$test"
    fi

    ("$test" "$dir")
    status=$?

    if [ $status -eq 0 ]; then
        ((++passed))
    else
        ((++failed))
        echo "$test failed!"
    fi
done

if [ -t 1 ]; then
    printf '\r\033[J'
fi

if [ $passed -gt 0 ]; then
    echo "tests passed: $passed"
fi
if [ $failed -gt 0 ]; then
    echo "tests failed: $failed"
    exit 1
fi