[LTP] [PATCH v2] mv/mv_tests.sh: Add test02 to test 'mv -b'

[Cui Bixuan <cuibixuan@huawei.com>]

Add a new case to test 'mv -b':
* Create file1 and file2
* Mv -b file1 to file2
* Check backup file of file2

Signed-off-by: Cui Bixuan <cuibixuan@huawei.com>

---
 .../commands/fileutils/mv/00_Descriptions.txt      |    3 +-
 testcases/commands/fileutils/mv/mv_tests.sh        |   84 ++++++++++++++++++++
 2 files changed, 86 insertions(+), 1 deletions(-)

diff --git a/testcases/commands/fileutils/mv/00_Descriptions.txt b/testcases/commands/fileutils/mv/00_Descriptions.txt
index 6d52868..57199bf 100644
--- a/testcases/commands/fileutils/mv/00_Descriptions.txt
+++ b/testcases/commands/fileutils/mv/00_Descriptions.txt
@@ -1,3 +1,4 @@
 test01
 	mv <dir1> <dir2> will move dir1 to dir2 and all its contents.
-
+test02
+	mv -b <file1> <file2> will move file1 to file2 and backup the file2.
diff --git a/testcases/commands/fileutils/mv/mv_tests.sh b/testcases/commands/fileutils/mv/mv_tests.sh
index 207e945..cda9901 100755
--- a/testcases/commands/fileutils/mv/mv_tests.sh
+++ b/testcases/commands/fileutils/mv/mv_tests.sh
@@ -24,6 +24,8 @@
 # Description:  Test basic functionality of mv command
 #				- Test #1:  mv <dir1> <dir2> will move dir1 to dir2 and all its
 #				            contents.
+#				- Test #2:  mv -b <file1> <file2> will move file1 to file2 and
+#					    backup the file2.
 #
 # Author:       Manoj Iyer, manjo@mail.utexas.edu
 #
@@ -238,6 +240,79 @@ test01()
 	return $RC
 }

+# Function:             test02
+#
+# Description   - Test #2: Test that mv -b <file1> <file2> will move
+#                 file1 to file2 and backup the file2.
+#               - create file1 and file2.
+#               - get the MD5 message of file2.
+#               - mv -b file1 to file2
+#               - get the MD5 message of backup file2.
+#               - compare  with MD5 messages.
+#
+# Return                - zero on success
+#               - non zero on failure. return value from commands ($RC)
+
+test02()
+{
+	RC=0                    # Return value from commands.
+	export TCID=mv02        # Name of the test case.
+	export TST_COUNT=1      # Test number.
+
+	tmpfile1=$LTPTMP/tst_mv.tmp/tmpfile1
+	tmpfile2=$LTPTMP/tst_mv.tmp/tmpfile2
+	backup_tmpfile2=$LTPTMP/tst_mv.tmp/tmpfile2~
+
+	$LTPBIN/tst_resm TINFO \
+		"Test #2: mv -b <file1> <file2> will move dir1 to dir2"
+
+	touch $tmpfile1 $tmpfile2 > $LTPTMP/tst_mv.err 2>&1 || RC=$?
+	if [ $RC -ne 0 ]
+	then
+		$LTPBIN/tst_brk TBROK $LTPTMP/tst_mv.err NULL \
+			"Test #2: can not touch file1 and file2. Reason:"
+		return $RC
+	fi
+
+	MD5_old=`md5sum $tmpfile2 |awk '{print $1}'` > $LTPTMP/tst_mv.err \
+		2>&1 || RC=$?
+	if [ $RC -ne 0 ]
+	then
+		$LTPBIN/tst_brk TBROK $LTPTMP/tst_mv.err NULL \
+			"Test #2: can't get the MD5 message of file2. Reason:"
+		return $RC
+	fi
+
+	mv -b $tmpfile1 $tmpfile2  > $LTPTMP/tst_mv.err 2>&1 || RC=$?
+	if [ $RC -ne 0 ]
+	then
+		$LTPBIN/tst_brk TBROK $LTPTMP/tst_mv.err NULL \
+			"Test #2: mv -b file1 file2 failed. Reason:"
+		return $RC
+	fi
+
+	# if mv  -b file1 file2 succeed,there will be "file2~" file
+
+	MD5_backup=`md5sum $tmpfile2 |awk '{print $1}'` > $LTPTMP/tst_mv.err \
+		2>&1 || RC=$?
+	if [ $RC -ne 0 ]
+	then
+		$LTPBIN/tst_brk TBROK $LTPTMP/tst_mv.err NULL \
+		"Test #2: can not get the MD5 message of backup file2. Reason:"
+		return $RC
+	fi
+
+	if [ "$MD5_old" != "$MD5_backup" ]
+	then
+		$LTPBIN/tst_resm TFAIL \
+			"Test #2: mv -b failed"
+		return $(($RC+1))
+	else
+		$LTPBIN/tst_resm TPASS "Test #2: mv -b success"
+	fi
+
+	return $RC
+}

 # Function:		main
 #
@@ -258,6 +333,15 @@ then
 	TFAILCNT=$(($TFAILCNT+1))
 fi

+rm -fr $LTPTMP/tst_mv.*
+
+init || return $RC      # Exit if initializing testcases fails.
+
+test02 || RC=$?
+if [ $RC -ne 0 ]
+then
+	TFAILCNT=$(($TFAILCNT+1))
+fi

 rm -fr $LTPTMP/tst_mv.*

-- 
1.6.0.2

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