tests: add losetup tests

Signed-off-by: Karel Zak <kzak@redhat.com>

12 files changed, 159 insertions, 0 deletions

diff --git a/tests/commands.sh b/tests/commands.sh
index d12c0097c..01e21c2b7 100644
--- a/tests/commands.sh
+++ b/tests/commands.sh
@@ -47,6 +47,7 @@ TS_CMD_ISOSIZE=${TS_CMD_ISOSIZE-"$top_builddir/isosize"}
 TS_CMD_LINE=${TS_CMD_LINE-"$top_builddir/line"}
 TS_CMD_LOOK=${TS_CMD_LOOK-"$top_builddir/look"}
 TS_CMD_LOSETUP=${TS_CMD_LOSETUP:-"$top_builddir/losetup"}
+TS_CMD_LSBLK=${TS_CMD_LSBLK-"$top_builddir/lsblk"}
 TS_CMD_LSCPU=${TS_CMD_LSCPU-"$top_builddir/lscpu"}
 TS_CMD_MCOOKIE=${TS_CMD_MCOOKIE-"$top_builddir/mcookie"}
 TS_CMD_MKCRAMFS=${TS_CMD_MKCRAMFS:-"$top_builddir/mkfs.cramfs"}
diff --git a/tests/expected/losetup/losetup b/tests/expected/losetup/losetup
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/tests/expected/losetup/losetup
diff --git a/tests/expected/losetup/losetup-blkdev b/tests/expected/losetup/losetup-blkdev
new file mode 100644
index 000000000..2afc15105
--- /dev/null
+++ b/tests/expected/losetup/losetup-blkdev
@@ -0,0 +1,3 @@
+offset:    0
+sizelimit: 0
+size:      11534336
diff --git a/tests/expected/losetup/losetup-blkdev-offset b/tests/expected/losetup/losetup-blkdev-offset
new file mode 100644
index 000000000..7b37b6fb0
--- /dev/null
+++ b/tests/expected/losetup/losetup-blkdev-offset
@@ -0,0 +1,3 @@
+offset:    1048576
+sizelimit: 0
+size:      10485760
diff --git a/tests/expected/losetup/losetup-blkdev-section b/tests/expected/losetup/losetup-blkdev-section
new file mode 100644
index 000000000..b480d6654
--- /dev/null
+++ b/tests/expected/losetup/losetup-blkdev-section
@@ -0,0 +1,3 @@
+offset:    1048576
+sizelimit: 3145728
+size:      3145728
diff --git a/tests/expected/losetup/losetup-blkdev-sizelimit b/tests/expected/losetup/losetup-blkdev-sizelimit
new file mode 100644
index 000000000..d220d48da
--- /dev/null
+++ b/tests/expected/losetup/losetup-blkdev-sizelimit
@@ -0,0 +1,3 @@
+offset:    0
+sizelimit: 3145728
+size:      3145728
diff --git a/tests/expected/losetup/losetup-file b/tests/expected/losetup/losetup-file
new file mode 100644
index 000000000..09d11473f
--- /dev/null
+++ b/tests/expected/losetup/losetup-file
@@ -0,0 +1,3 @@
+offset:    0
+sizelimit: 0
+size:      10485760
diff --git a/tests/expected/losetup/losetup-file-offset b/tests/expected/losetup/losetup-file-offset
new file mode 100644
index 000000000..b416f8e01
--- /dev/null
+++ b/tests/expected/losetup/losetup-file-offset
@@ -0,0 +1,3 @@
+offset:    1048576
+sizelimit: 0
+size:      9437184
diff --git a/tests/expected/losetup/losetup-file-section b/tests/expected/losetup/losetup-file-section
new file mode 100644
index 000000000..b480d6654
--- /dev/null
+++ b/tests/expected/losetup/losetup-file-section
@@ -0,0 +1,3 @@
+offset:    1048576
+sizelimit: 3145728
+size:      3145728
diff --git a/tests/expected/losetup/losetup-file-secton b/tests/expected/losetup/losetup-file-secton
new file mode 100644
index 000000000..b480d6654
--- /dev/null
+++ b/tests/expected/losetup/losetup-file-secton
@@ -0,0 +1,3 @@
+offset:    1048576
+sizelimit: 3145728
+size:      3145728
diff --git a/tests/expected/losetup/losetup-file-sizelimit b/tests/expected/losetup/losetup-file-sizelimit
new file mode 100644
index 000000000..d220d48da
--- /dev/null
+++ b/tests/expected/losetup/losetup-file-sizelimit
@@ -0,0 +1,3 @@
+offset:    0
+sizelimit: 3145728
+size:      3145728
diff --git a/tests/ts/losetup/losetup b/tests/ts/losetup/losetup
new file mode 100755
index 000000000..29d4b4201
--- /dev/null
+++ b/tests/ts/losetup/losetup
@@ -0,0 +1,131 @@
+#!/bin/bash
+
+#
+# Copyright (C) 2013 Karel Zak <kzak@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+
+TS_TOPDIR="$(dirname $0)/../.."
+TS_DESC="losetup"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+ts_skip_nonroot
+
+DEVICE=$(ts_scsi_debug_init dev_size_mb=11)
+REFILE=$(ts_image_init 10)
+
+function lo_print {
+	local lo=$1
+	echo "offset:    $( $TS_CMD_LOSETUP --list --raw -n -O OFFSET $lo )"
+	echo "sizelimit: $( $TS_CMD_LOSETUP --list --raw -n -O SIZELIMIT $lo )"
+	echo "size:      $( $TS_CMD_LSBLK -o SIZE -b -n -r $lo )"
+}
+
+#
+# file-* tests: Backing file is a regular file
+#
+BACKFILE="$REFILE"
+
+ts_init_subtest "file"
+LODEV=$( $TS_CMD_LOSETUP --find --show $BACKFILE )
+if [ -z "$LODEV" ]; then
+	ts_log "Failed to create loop device"
+fi
+lo_print $LODEV >> $TS_OUTPUT
+$TS_CMD_LOSETUP -d $LODEV
+ts_finalize_subtest
+
+ts_init_subtest "file-offset"
+LODEV=$( $TS_CMD_LOSETUP --offset 1MiB --find --show $BACKFILE )
+if [ -z "$LODEV" ]; then
+	ts_log "Failed to create loop device"
+fi
+lo_print $LODEV >> $TS_OUTPUT
+$TS_CMD_LOSETUP -d $LODEV
+ts_finalize_subtest
+
+
+ts_init_subtest "file-sizelimit"
+LODEV=$( $TS_CMD_LOSETUP --sizelimit 3MiB --find --show $BACKFILE )
+if [ -z "$LODEV" ]; then
+	ts_log "Failed to create loop device"
+fi
+lo_print $LODEV >> $TS_OUTPUT
+$TS_CMD_LOSETUP -d $LODEV
+ts_finalize_subtest
+
+
+ts_init_subtest "file-section"
+LODEV=$( $TS_CMD_LOSETUP --offset 1MiB --sizelimit 3MiB --find --show $BACKFILE )
+if [ -z "$LODEV" ]; then
+	ts_log "Failed to create loop device"
+fi
+lo_print $LODEV >> $TS_OUTPUT
+$TS_CMD_LOSETUP -d $LODEV
+ts_finalize_subtest
+
+rm -rf $BACKFILE
+
+#
+# Backing file is a block device
+#
+BACKFILE="$DEVICE"
+
+ts_init_subtest "blkdev"
+LODEV=$( $TS_CMD_LOSETUP --find --show $BACKFILE )
+if [ -z "$LODEV" ]; then
+	ts_log "Failed to create loop device"
+fi
+lo_print $LODEV >> $TS_OUTPUT
+$TS_CMD_LOSETUP -d $LODEV
+ts_finalize_subtest
+
+ts_init_subtest "blkdev-offset"
+LODEV=$( $TS_CMD_LOSETUP --offset 1MiB --find --show $BACKFILE )
+if [ -z "$LODEV" ]; then
+	ts_log "Failed to create loop device"
+fi
+lo_print $LODEV >> $TS_OUTPUT
+$TS_CMD_LOSETUP -d $LODEV
+ts_finalize_subtest
+
+
+ts_init_subtest "blkdev-sizelimit"
+LODEV=$( $TS_CMD_LOSETUP --sizelimit 3MiB --find --show $BACKFILE )
+if [ -z "$LODEV" ]; then
+	ts_log "Failed to create loop device"
+fi
+lo_print $LODEV >> $TS_OUTPUT
+$TS_CMD_LOSETUP -d $LODEV
+ts_finalize_subtest
+
+
+ts_init_subtest "blkdev-section"
+LODEV=$( $TS_CMD_LOSETUP --offset 1MiB --sizelimit 3MiB --find --show $BACKFILE )
+if [ -z "$LODEV" ]; then
+	ts_log "Failed to create loop device"
+fi
+lo_print $LODEV >> $TS_OUTPUT
+$TS_CMD_LOSETUP -d $LODEV
+ts_finalize_subtest
+
+udevadm settle
+
+rmmod scsi_debug
+
+ts_finalize
+
+
+