7290 ZFS test suite needs to control what utilities it can run
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>

*** 24,34 ****
  # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
  #
! # Copyright (c) 2013 by Delphix. All rights reserved.
  #
  
  . $STF_SUITE/include/libtest.shlib
  . $STF_SUITE/tests/functional/snapshot/snapshot.cfg
  
--- 24,34 ----
  # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
  #
! # Copyright (c) 2013, 2016 by Delphix. All rights reserved.
  #
  
  . $STF_SUITE/include/libtest.shlib
  . $STF_SUITE/tests/functional/snapshot/snapshot.cfg
  
*** 47,63 ****
  verify_runnable "both"
  
  function cleanup
  {
          datasetexists $ctrfs && \
!                 $ZFS destroy -r $ctrfs
  
          snapexists $snappool && \
!                 log_must $ZFS destroy -r $snappool
  
          [[ -e $TESTDIR ]] && \
!                 log_must $RM -rf $TESTDIR/* > /dev/null 2>&1
  }
  
  log_assert "Verify snapshots from 'snapshot -r' can be used for zfs send/recv"
  log_onexit cleanup
  
--- 47,63 ----
  verify_runnable "both"
  
  function cleanup
  {
          datasetexists $ctrfs && \
!                 zfs destroy -r $ctrfs
  
          snapexists $snappool && \
!                 log_must zfs destroy -r $snappool
  
          [[ -e $TESTDIR ]] && \
!                 log_must rm -rf $TESTDIR/* > /dev/null 2>&1
  }
  
  log_assert "Verify snapshots from 'snapshot -r' can be used for zfs send/recv"
  log_onexit cleanup
  
*** 69,99 ****
  snapctrfs=$ctrfs@$TESTSNAP
  fsdir=/$ctrfs
  snapdir=$fsdir/.zfs/snapshot/$TESTSNAP
  
  [[ -n $TESTDIR ]] && \
!     log_must $RM -rf $TESTDIR/* > /dev/null 2>&1
  
  typeset -i COUNT=10
  
  log_note "Populate the $TESTDIR directory (prior to snapshot)"
  typeset -i i=0
  while (( i < COUNT )); do
!         log_must $FILE_WRITE -o create -f $TESTDIR/file$i \
             -b $BLOCKSZ -c $NUM_WRITES -d $i
  
          (( i = i + 1 ))
  done
  
! log_must $ZFS snapshot -r $snappool
  
! $ZFS send $snapfs | $ZFS receive $ctrfs >/dev/null 2>&1
  if ! datasetexists $ctrfs || ! snapexists $snapctrfs; then
          log_fail "zfs send/receive fails with snapshot $snapfs."
  fi
  
  for dir in $fsdir $snapdir; do
!         FILE_COUNT=`$LS -Al $dir | $GREP -v "total" | wc -l`
          (( FILE_COUNT != COUNT )) && log_fail "Got $FILE_COUNT expected $COUNT"
  done
  
  log_pass "'zfs send/receive' works as expected with snapshots from 'snapshot -r'"
--- 69,99 ----
  snapctrfs=$ctrfs@$TESTSNAP
  fsdir=/$ctrfs
  snapdir=$fsdir/.zfs/snapshot/$TESTSNAP
  
  [[ -n $TESTDIR ]] && \
!     log_must rm -rf $TESTDIR/* > /dev/null 2>&1
  
  typeset -i COUNT=10
  
  log_note "Populate the $TESTDIR directory (prior to snapshot)"
  typeset -i i=0
  while (( i < COUNT )); do
!         log_must file_write -o create -f $TESTDIR/file$i \
             -b $BLOCKSZ -c $NUM_WRITES -d $i
  
          (( i = i + 1 ))
  done
  
! log_must zfs snapshot -r $snappool
  
! zfs send $snapfs | zfs receive $ctrfs >/dev/null 2>&1
  if ! datasetexists $ctrfs || ! snapexists $snapctrfs; then
          log_fail "zfs send/receive fails with snapshot $snapfs."
  fi
  
  for dir in $fsdir $snapdir; do
!         FILE_COUNT=`ls -Al $dir | grep -v "total" | wc -l`
          (( FILE_COUNT != COUNT )) && log_fail "Got $FILE_COUNT expected $COUNT"
  done
  
  log_pass "'zfs send/receive' works as expected with snapshots from 'snapshot -r'"