[LTP] [PATCH] shell: add chmod command check

[mataotao]

---
 runtest/commands                        |  1 +
 testcases/commands/chmod/Makefile       | 11 ++++
 testcases/commands/chmod/chmod_tests.sh | 83 +++++++++++++++++++++++++
 3 files changed, 95 insertions(+)
 create mode 100644 testcases/commands/chmod/Makefile
 create mode 100644 testcases/commands/chmod/chmod_tests.sh

diff --git a/runtest/commands b/runtest/commands
index 570b81262..6066d3289 100644
--- a/runtest/commands
+++ b/runtest/commands
@@ -13,6 +13,7 @@ cp01_sh cp_tests.sh
 ln01_sh ln_tests.sh
 mkdir01_sh mkdir_tests.sh
 echo_tests_sh echo_tests.sh
+chmod_tests_sh chmod_tests.sh
 mv01_sh mv_tests.sh
 du01_sh du01.sh
 df01_sh df01.sh
diff --git a/testcases/commands/chmod/Makefile b/testcases/commands/chmod/Makefile
new file mode 100644
index 000000000..da8115d71
--- /dev/null
+++ b/testcases/commands/chmod/Makefile
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2024 UnionTech Ltd.
+# Author: Taotao Ma <mataotao@uniontech.com>
+
+top_srcdir		?= ../../..
+
+include $(top_srcdir)/include/mk/testcases.mk
+
+INSTALL_TARGETS		:= chmod_tests.sh
+
+include $(top_srcdir)/include/mk/generic_leaf_target.mk
diff --git a/testcases/commands/chmod/chmod_tests.sh b/testcases/commands/chmod/chmod_tests.sh
new file mode 100644
index 000000000..469ba70d4
--- /dev/null
+++ b/testcases/commands/chmod/chmod_tests.sh
@@ -0,0 +1,83 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) Linux Test Project, 2024
+# Copyright (c) 2024 UnionTech Ltd.
+# Author: Taotao Ma <mataotao@uniontech.com>
+#
+# Test basic functionality of chmod command.
+
+TST_CNT=7
+TST_TESTFUNC=do_test
+TST_SETUP=setup
+TST_NEEDS_TMPDIR=1
+
+create_tree()
+{
+  local dirname=$1
+  local dircnt=$2
+  local filecnt=$3
+
+  tst_res TINFO "Creating $dircnt directories."
+  tst_res TINFO "Filling each dir with $filecnt files".
+  while [ $dircnt -gt 0 ]; do
+      dirname=$dirname/dir$dircnt
+          ROD mkdir -p $dirname
+
+      local fcnt=0
+          while [ $fcnt -lt $filecnt ]; do
+          ROD touch $dirname/file$fcnt
+          fcnt=$((fcnt+1))
+      done
+      dircnt=$((dircnt-1))
+  done
+}
+
+setup()
+{
+  create_tree "dir" 3 3
+  ROD echo LTP > file
+}
+
+compare()
+{
+  local act_auth="$1"
+  local exp_auth="$2"
+
+  act="$(stat -c "%a" "$act_auth")"
+  tst_res TINFO "$act"
+  if [ "$act" = "$exp_auth" ]; then
+      tst_res TPASS "Files $act_auth  authority Modified successfully"
+  else
+      tst_res TFAIL "Files $act_auth  authority Modified failed"
+  fi
+}
+
+chmod_test()
+{
+  local args="$1"
+  local auth="$2"
+  local src="$3"
+  local check="$4"
+  if [[ -n $auth ]]; then
+    EXPECT_PASS chmod $args $auth $src
+    compare "$src" "$check"
+  else
+    compare "$src" "$check"
+  fi
+}
+
+do_test()
+{
+  case $1 in
+  1) chmod_test "-R" "775" "dir/dir3/dir2/dir1" "775";;
+  2) chmod_test ""  "" "dir/dir3/dir2/dir1/file0" "775";;
+  3) chmod_test ""  "" "dir/dir3/dir2/dir1/file1" "775";;
+  4) chmod_test "" "go+rwx" "dir/dir3/file0" "677";;
+  5) chmod_test "" "777" "dir/dir3/file1" "777";;
+  6) chmod_test "" "g-r" "dir/dir3/dir2/file0" "604";;
+  7) chmod_test "" "g-r" "dir/dir3/file0" "637";;
+  esac
+}
+
+. tst_test.sh
+tst_run
-- 
2.20.1