[src/trunk]: src/tests/dev Add a basic test for fss(4)

[pgoyette <pgoyette%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2f4a25cc6829
branches:  trunk
changeset: 346703:2f4a25cc6829
user:      pgoyette <pgoyette%NetBSD.org@localhost>
date:      Fri Jul 29 06:13:39 2016 +0000

description:
Add a basic test for fss(4)

XXX For now, we just create required files (including mount-points)
XXX in the test's working directory.  Eventually someone with more
XXX rump-foo than I should create a fss rump-component and then update
XXX the test to run under rump.

diffstat:

 tests/dev/Makefile     |   4 +-
 tests/dev/fss/Makefile |  11 ++++++
 tests/dev/fss/t_fss.sh |  82 ++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 95 insertions(+), 2 deletions(-)

diffs (118 lines):

diff -r 5a41c8ccf1dd -r 2f4a25cc6829 tests/dev/Makefile
--- a/tests/dev/Makefile        Fri Jul 29 06:11:12 2016 +0000
+++ b/tests/dev/Makefile        Fri Jul 29 06:13:39 2016 +0000
@@ -1,11 +1,11 @@
-#      $NetBSD: Makefile,v 1.10 2016/01/05 17:22:38 jakllsch Exp $
+#      $NetBSD: Makefile,v 1.11 2016/07/29 06:13:39 pgoyette Exp $
 #
 
 .include <bsd.own.mk>
 
 TESTSDIR=      ${TESTSBASE}/dev
 
-TESTS_SUBDIRS+=        cgd raidframe
+TESTS_SUBDIRS+=        cgd fss raidframe
 .if (${MKRUMP} != "no") && !defined(BSD_MK_COMPAT_FILE) 
 TESTS_SUBDIRS+=        audio md scsipi sysmon usb
 .endif
diff -r 5a41c8ccf1dd -r 2f4a25cc6829 tests/dev/fss/Makefile
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/dev/fss/Makefile    Fri Jul 29 06:13:39 2016 +0000
@@ -0,0 +1,11 @@
+#      $NetBSD: Makefile,v 1.1 2016/07/29 06:13:39 pgoyette Exp $
+#
+
+.include <bsd.own.mk>
+
+TESTSDIR=      ${TESTSBASE}/dev/fss
+FILESDIR=      ${TESTSDIR}
+
+TESTS_SH=      t_fss
+
+.include <bsd.test.mk>
diff -r 5a41c8ccf1dd -r 2f4a25cc6829 tests/dev/fss/t_fss.sh
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/dev/fss/t_fss.sh    Fri Jul 29 06:13:39 2016 +0000
@@ -0,0 +1,82 @@
+# $NetBSD: t_fss.sh,v 1.1 2016/07/29 06:13:39 pgoyette Exp $
+#
+# Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc.
+# All rights reserved.
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+#
+# Verify basic operation of fss(4) file system snapshot device
+#
+
+orig_data="Original data"
+repl_data="Replacement data"
+
+atf_test_case basic cleanup
+basic_body() {
+
+# create of mount-points for the file system and snapshot
+
+       mkdir ./m1
+       mkdir ./m2
+
+# create a small 4MB file, treat it as a disk, init a file-system on it,
+# and mount it
+
+       dd if=/dev/zero of=./image bs=32k count=64
+       vndconfig -c vnd0 ./image
+       newfs /dev/vnd0a
+       mount /dev/vnd0a ./m1
+
+       echo "${orig_data}" > ./m1/text
+
+# configure and mount a snapshot of the file system
+
+       fssconfig -c fss0 ./m1 ./backup
+       mount /dev/fss0 ./m2
+
+# Modify the data on the underlying file system
+
+       echo "${repl_data}" > ./m1/text || abort
+
+# Verify that original data is still visible in the snapshot
+
+       read test_data < ./m2/text
+       atf_check_equal "${orig_data}" "${test_data}"
+
+# Unmount our temporary stuff
+
+       umount /dev/vnd0a       || true
+       umount /dev/fss0        || true
+}
+
+basic_cleanup() {
+       umount /dev/vnd0a       || true
+       umount /dev/fss0        || true
+       vndconfig -u vnd0       || true
+       fssconfig -u fss0       || true
+}
+
+atf_init_test_cases()
+{
+        atf_add_test_case basic
+}