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/compression/compress.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/compression/compress.cfg
  
*** 47,72 ****
  typeset OP=create
  
  log_assert "Ensure that compressed files are smaller."
  
  log_note "Ensure compression is off"
! log_must $ZFS set compression=off $TESTPOOL/$TESTFS
  
  log_note "Writing file without compression..."
! log_must $FILE_WRITE -o $OP -f $TESTDIR/$TESTFILE0 -b $BLOCKSZ \
      -c $NUM_WRITES -d $DATA
  
  log_note "Add compression property to the dataset and write another file"
! log_must $ZFS set compression=on $TESTPOOL/$TESTFS
  
! log_must $FILE_WRITE -o $OP -f $TESTDIR/$TESTFILE1 -b $BLOCKSZ \
      -c $NUM_WRITES -d $DATA
  
! $SLEEP 60
  
! FILE0_BLKS=`$DU -k $TESTDIR/$TESTFILE0 | $AWK '{ print $1}'`
! FILE1_BLKS=`$DU -k $TESTDIR/$TESTFILE1 | $AWK '{ print $1}'`
  
  if [[ $FILE0_BLKS -le $FILE1_BLKS ]]; then
          log_fail "$TESTFILE0 is smaller than $TESTFILE1" \
                          "($FILE0_BLKS <= $FILE1_BLKS)"
  fi
--- 47,72 ----
  typeset OP=create
  
  log_assert "Ensure that compressed files are smaller."
  
  log_note "Ensure compression is off"
! log_must zfs set compression=off $TESTPOOL/$TESTFS
  
  log_note "Writing file without compression..."
! log_must file_write -o $OP -f $TESTDIR/$TESTFILE0 -b $BLOCKSZ \
      -c $NUM_WRITES -d $DATA
  
  log_note "Add compression property to the dataset and write another file"
! log_must zfs set compression=on $TESTPOOL/$TESTFS
  
! log_must file_write -o $OP -f $TESTDIR/$TESTFILE1 -b $BLOCKSZ \
      -c $NUM_WRITES -d $DATA
  
! sleep 60
  
! FILE0_BLKS=`du -k $TESTDIR/$TESTFILE0 | awk '{ print $1}'`
! FILE1_BLKS=`du -k $TESTDIR/$TESTFILE1 | awk '{ print $1}'`
  
  if [[ $FILE0_BLKS -le $FILE1_BLKS ]]; then
          log_fail "$TESTFILE0 is smaller than $TESTFILE1" \
                          "($FILE0_BLKS <= $FILE1_BLKS)"
  fi