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/*
* Copyright (C) 2012 Colin Watson.
*
* This file is part of libpipeline.
*
* libpipeline 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 2 of the License, or (at
* your option) any later version.
*
* libpipeline 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 libpipeline; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
* USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <unistd.h>
#include "full-write.h"
#include "xalloc.h"
#include "xvasprintf.h"
#include "common.h"
/* Include private definitions so that we can inspect redirections. */
#include "pipeline-private.h"
const char *program_name = "pump";
static void assert_files_equal (const char *left, const char *right)
{
pipeline *diff =
pipeline_new_command_args ("diff", "-u", left, right, nullptr);
ck_assert_int_eq (pipeline_run (diff), 0);
}
START_TEST (test_pump_connect_attaches_correctly)
{
pipeline *one = pipeline_new ();
pipeline *two = pipeline_new ();
pipeline *three = pipeline_new ();
pipeline_connect (one, two, three, nullptr);
ck_assert_int_eq (one->redirect_out, REDIRECT_FD);
ck_assert_int_le (one->want_out, 0);
ck_assert_ptr_eq (one->want_outfile, NULL);
ck_assert_ptr_eq (two->source, one);
ck_assert_int_eq (two->redirect_in, REDIRECT_FD);
ck_assert_int_le (two->want_in, 0);
ck_assert_ptr_eq (two->want_infile, NULL);
ck_assert_ptr_eq (three->source, one);
ck_assert_int_eq (three->redirect_in, REDIRECT_FD);
ck_assert_int_le (three->want_in, 0);
ck_assert_ptr_eq (three->want_infile, NULL);
pipeline_free (three);
pipeline_free (two);
pipeline_free (one);
}
END_TEST
static void tee_source (void *data _GL_UNUSED)
{
unsigned char buf[256];
int i;
for (i = 0; i < 256; ++i)
buf[i] = (unsigned char) i;
for (i = 0; i < 4096; ++i)
full_write (fileno (stdout), buf, 256);
}
START_TEST (test_pump_tee)
{
pipeline *source, *sink_process, *sink_function;
char *process_outfile, *function_outfile;
source = pipeline_new ();
pipeline_command (source, pipecmd_new_function ("source", tee_source,
NULL, NULL));
sink_process = pipeline_new_command_args ("cat", nullptr);
process_outfile = xasprintf ("%s/process", temp_dir);
pipeline_want_outfile (sink_process, process_outfile);
sink_function = pipeline_new ();
pipeline_command (sink_function, pipecmd_new_passthrough ());
function_outfile = xasprintf ("%s/function", temp_dir);
pipeline_want_outfile (sink_function, function_outfile);
pipeline_connect (source, sink_process, sink_function, nullptr);
pipeline_pump (source, sink_process, sink_function, nullptr);
ck_assert_int_eq (pipeline_wait (source), 0);
ck_assert_int_eq (pipeline_wait (sink_process), 0);
ck_assert_int_eq (pipeline_wait (sink_function), 0);
assert_files_equal (process_outfile, function_outfile);
free (function_outfile);
free (process_outfile);
pipeline_free (sink_function);
pipeline_free (sink_process);
pipeline_free (source);
}
END_TEST
static Suite *pump_suite (void)
{
Suite *s = suite_create ("Pump");
TEST_CASE (s, pump, connect_attaches_correctly);
TEST_CASE_WITH_FIXTURE (s, pump, tee, temp_dir_setup,
temp_dir_teardown);
return s;
}
MAIN (pump)
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