pcmk_hostname_test.c

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/*
 * Copyright 2021 the Pacemaker project contributors
 *
 * The version control history for this file may have further details.
 *
 * This source code is licensed under the GNU Lesser General Public License
 * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
 */
 
#include <crm_internal.h>
 
#include <crm/common/unittest_internal.h>
 
#include "mock_private.h"
 
#include <sys/utsname.h>
 
static void
uname_succeeded_test(void **state)
{
    char *retval;
 
    // Set uname() return value and buf parameter node name
    pcmk__mock_uname = true;
 
    expect_any(__wrap_uname, buf);
    will_return(__wrap_uname, 0);
    will_return(__wrap_uname, "somename");
 
    retval = pcmk_hostname();
    assert_non_null(retval);
    assert_string_equal("somename", retval);
 
    free(retval);
 
    pcmk__mock_uname = false;
}
 
static void
uname_failed_test(void **state)
{
    // Set uname() return value and buf parameter node name
    pcmk__mock_uname = true;
 
    expect_any(__wrap_uname, buf);
    will_return(__wrap_uname, -1);
    will_return(__wrap_uname, NULL);
 
    assert_null(pcmk_hostname());
 
    pcmk__mock_uname = false;
}
 
PCMK__UNIT_TEST(NULL, NULL,
                cmocka_unit_test(uname_succeeded_test),
                cmocka_unit_test(uname_failed_test))