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#!/usr/bin/perl
# Copyright (C) 2013-2015 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
use strict;
use Data::Dumper;
my $limits = getlimits ();
my $prog = 'csplit';
# Turn off localization of executable's output.
@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
# Input from 'seq 6'
my $IN_SEQ_6 =<<EOF;
1
2
3
4
5
6
EOF
# Input from a possible run of 'uniq --group'
# (groups separated by empty lines)
my $IN_UNIQ =<<EOF;
a
a
YY
XX
b
b
YY
XX
c
YY
XX
d
d
d
EOF
# Standard Coreotils::run_tests() structure, except the addition of
# "OUTPUTS" array, containing the expected content of the output files.
# See code below for conversion into PRE/CMP/POST checks.
my @csplit_tests =
(
# without --suppress-matched,
# the newline (matched line) appears in the output files
["re-base", "-q - '/^\$/' '{*}'", {IN_PIPE => $IN_UNIQ},
{OUTPUTS => [ "a\na\nYY\n", "\nXX\nb\nb\nYY\n","\nXX\nc\nYY\n",
"\nXX\nd\nd\nd\n" ] }],
# the newline (matched line) does not appears in the output files
["re-1", " --suppress-matched -q - '/^\$/' '{*}'", {IN_PIPE => $IN_UNIQ},
{OUTPUTS => ["a\na\nYY\n", "XX\nb\nb\nYY\n", "XX\nc\nYY\n",
"XX\nd\nd\nd\n"]}],
# the 'XX' (matched line + offset 1) does not appears in the output files.
# the newline appears in the files (before each split, at the end of the file)
["re-2", "--suppress-matched -q - '/^\$/1' '{*}'", {IN_PIPE => $IN_UNIQ},
{OUTPUTS => ["a\na\nYY\n\n","b\nb\nYY\n\n","c\nYY\n\n","d\nd\nd\n"]}],
# the 'YY' (matched line + offset of -1) does not appears in the output files
# the newline appears in the files (as the first line of the new split)
["re-3", " --suppress-matched -q - '/^\$/-1' '{*}'", {IN_PIPE => $IN_UNIQ},
{OUTPUTS => ["a\na\n", "\nXX\nb\nb\n", "\nXX\nc\n", "\nXX\nd\nd\nd\n"]}],
# Test two consecutive matched lines
# without suppress-matched, the second file should contain a single newline.
["re-4.1", "-q - '/^\$/' '{*}'", {IN_PIPE => "a\n\n\nb\n"},
{OUTPUTS => [ "a\n", "\n", "\nb\n" ]}],
# suppress-matched will cause the second file to be empty.
["re-4.2", "--suppress-match -q - '/^\$/' '{*}'", {IN_PIPE => "a\n\n\nb\n"},
{OUTPUTS => [ "a\n", "", "b\n" ]}],
# suppress-matched + elide-empty should output just two files.
["re-4.3", "--suppress-match -zq - '/^\$/' '{*}'", {IN_PIPE => "a\n\n\nb\n"},
{OUTPUTS => [ "a\n", "b\n" ]}],
# Test a matched-line as the last line
# default: last file with newline should be created.
["re-5.1", "-q - '/^\$/' '{*}'", {IN_PIPE => "a\n\nb\n\n"},
{OUTPUTS => [ "a\n", "\nb\n", "\n" ]}],
# suppress-matched - last empty files should be created.
["re-5.2", "--suppress-match -q - '/^\$/' '{*}'", {IN_PIPE => "a\n\nb\n\n"},
{OUTPUTS => [ "a\n", "b\n", "" ]}],
# suppress-matched + elide-empty: just two files should be created.
["re-5.3", "--suppress-match -zq - '/^\$/' '{*}'", {IN_PIPE => "a\n\nb\n\n"},
{OUTPUTS => [ "a\n", "b\n" ]}],
# without suppress-matched,
# the matched lines (2/4/6) appears in the output files
["int-base", '-q - 2 4 6', {IN_PIPE => $IN_SEQ_6},
{OUTPUTS => [ "1\n", "2\n3\n", "4\n5\n", "6\n" ]}],
# suppress matched - the matching lines (2/4/6) should not appear.
["int-1", '--suppress-matched -q - 2 4 6', {IN_PIPE => $IN_SEQ_6},
{OUTPUTS => [ "1\n", "3\n", "5\n", "" ]}],
# suppress matched + elide-empty
["int-2", '--suppress-matched -zq - 2 4 6', {IN_PIPE => $IN_SEQ_6},
{OUTPUTS => [ "1\n", "3\n", "5\n" ]}],
);
=pod
The following loop translate the above @Tests to a Cureutils::run_tests()
compatible structure. It converts "OUTPUTS" key into "CMP" + "POST" keys:
1. Each element in the OUTPUTS key is expected to be an output file
from csplit (named xx00, xx01, xx02...)
create a "CMP" key for each one, with the output and the filename.
2. Add a "POST" key, ensuring no extra files have been created.
(e.g. if there are 4 expected outputs, xx00 to xx03,
ensure xx04 doesn't exist).
3. Add a "PRE" key, deleting all existing 'xx*' files.
Example:
Before conversion:
my @csplit_tests =
(
["1", '-z -q - 2 4 6',
{IN_PIPE => "1\n2\n3\n4\n5\n6\n"},
{OUTPUTS => [ "1\n", "2\n3\n", "4\n5\n", "6\n" ],
]
)
After conversion:
my @csplit_tests =
(
["1", '-z -q - 2 4 6',
{IN_PIPE => "1\n2\n3\n4\n5\n6\n"},
{PRE => sub { unlink glob './xx??' ; }},
{CMP => ["1\n", {'xx00'=> undef}]},
{CMP => ["2\n3\n", {'xx01'=> undef}]},
{CMP => ["4\n5\n", {'xx02'=> undef}]},
{CMP => ["6\n", {'xx03'=> undef}]},
{POST => sub { die "extra file" if -e 'xx04'}},
],
);
=cut
my @Tests;
foreach my $t (@csplit_tests)
{
my ($test_name, $cmdline, @others) = @$t;
my $new_ent = [$test_name, $cmdline];
my $out_file_num = 0 ;
foreach my $e (@others)
{
die "Internal error: expecting a hash (e.g. IN_PIPE/OUTPUTS/ERR)" .
"in test '$test_name', got $e"
unless ref $e && (ref $e eq 'HASH');
my ($key, $value) = each %$e;
if ($key eq 'OUTPUTS')
{
# Convert each expected OUTPUT to a 'CMP' key.
foreach my $output (@$value)
{
my $filename = sprintf("xx%02d",$out_file_num++);
my $cmp = {CMP => [ $output, { $filename => undef}]};
push @$new_ent, $cmp;
}
# Add a 'POST' check
# Ensure no extra files have been created.
my $filename = sprintf("xx%02d",$out_file_num++);
my $post = { POST => sub { die "Test failed: an extraneous file " .
"'$filename' has been created\n"
if -e $filename; } } ;
push @$new_ent, $post;
# before running each test, cleanup the 'xx00' files
# from previous runs.
my $pre = { PRE => sub { unlink glob "./xx??"; } };
push @$new_ent, $pre;
}
else
{
# pass other entities as-is (e.g. OUT, ERR, OUT_SUBST, EXIT)
# run_tests() will know how to handle them.
push @$new_ent, $e;
}
}
push @Tests, $new_ent;
}
my $save_temps = $ENV{DEBUG};
my $verbose = $ENV{VERBOSE};
my $fail = run_tests ($prog, $prog, \@Tests, $save_temps, $verbose);
exit $fail;
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