unit-tests/test/script/parser/pipe-expr.test


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# file      : unit-tests/test/script/parser/pipe-expr.test
# copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
# license   : MIT; see accompanying LICENSE file

: pipe
:
$* <<EOI >>EOO
cmd1 | cmd2|cmd3
EOI
cmd1 | cmd2 | cmd3
EOO

: log
:
$* <<EOI >>EOO
cmd1 || cmd2&&cmd3
EOI
cmd1 || cmd2 && cmd3
EOO

: pipe-log
:
$* <<EOI >>EOO
cmd1 | cmd2 && cmd3 | cmd4
EOI
cmd1 | cmd2 && cmd3 | cmd4
EOO

: exit
:
$* <<EOI >>EOO
cmd1|cmd2==1&&cmd3!=0|cmd4
EOI
cmd1 | cmd2 == 1 && cmd3 != 0 | cmd4
EOO

: here-doc
:
$* <<EOI >>EOO
cmd1 <<EOI1 | cmd2 >>EOO2 && cmd3 <<EOI3 2>&1 | cmd4 2>>EOE4 >>EOO4
input
one
EOI1
ouput
two
EOO2
input
three
EOI3
error
four
EOE4
output
four
EOO4
EOI
cmd1 <<EOI1 | cmd2 >>EOO2 && cmd3 <<EOI3 2>&1 | cmd4 >>EOO4 2>>EOE4
input
one
EOI1
ouput
two
EOO2
input
three
EOI3
output
four
EOO4
error
four
EOE4
EOO

: leading
:
$* <<EOI 2>>EOE != 0
| cmd
EOI
testscript:1:1: error: missing program
EOE

: trailing
:
$* <<EOI 2>>EOE != 0
cmd &&
EOI
testscript:1:7: error: missing program
EOE

: redirected
:
{
  : input
  :
  {
    : first
    :
    $* <<EOI >>EOO
    cmd1 <foo | cmd2
    EOI
    cmd1 <foo | cmd2
    EOO

    : non-first
    :
    $* <<EOI 2>>EOE != 0
    cmd1 | cmd2 <foo
    EOI
    testscript:1:13: error: stdin is both piped and redirected
    EOE
  }

  : output
  :
  {
    : last
    :
    $* <<EOI >>EOO
    cmd1 | cmd2 >foo
    EOI
    cmd1 | cmd2 >foo
    EOO

    : non-last
    :
    $* <<EOI 2>>EOE != 0
    cmd1 >foo | cmd2
    EOI
    testscript:1:11: error: stdout is both redirected and piped
    EOE
  }
}