tests/test-block-size-constraints.sh

   1 #!/usr/bin/env bash
   2 # nbdkit
   3 # Copyright Red Hat
   4 #
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   6 # modification, are permitted provided that the following conditions are
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  12 # * Redistributions in binary form must reproduce the above copyright
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  17 # used to endorse or promote products derived from this software without
  18 # specific prior written permission.
  19 #
  20 # THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
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  23 # PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
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  32
  33 source ./functions.sh
  34 set -e
  35 set -x
  36
  37 requires_plugin eval
  38 requires nbdsh -c 'print(h.get_block_size)'
  39 requires_nbdsh_uri
  40
  41 # Create an nbdkit eval plugin which presents block size constraints.
  42 # Check the advertised block size constraints can be read.
  43 nbdkit -U - eval \
  44        block_size="echo 64K 128K 32M" \
  45        get_size="echo 0" \
  46        --run 'nbdsh \
  47            -u "$uri" \
  48            -c "assert h.get_block_size(nbd.SIZE_MINIMUM) == 64 * 1024" \
  49            -c "assert h.get_block_size(nbd.SIZE_PREFERRED) == 128 * 1024" \
  50            -c "assert h.get_block_size(nbd.SIZE_MAXIMUM) == 32 * 1024 * 1024" \
  51       '