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/*
* Blockjob tests
*
* Copyright Igalia, S.L. 2016
*
* Authors:
* Alberto Garcia <berto@igalia.com>
*
* This work is licensed under the terms of the GNU LGPL, version 2 or later.
* See the COPYING.LIB file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu/main-loop.h"
#include "block/blockjob_int.h"
#include "sysemu/block-backend.h"
static const BlockJobDriver test_block_job_driver = {
.instance_size = sizeof(BlockJob),
};
static void block_job_cb(void *opaque, int ret)
{
}
static BlockJob *do_test_id(BlockBackend *blk, const char *id,
bool should_succeed)
{
BlockJob *job;
Error *errp = NULL;
job = block_job_create(id, &test_block_job_driver, blk_bs(blk), 0,
BLOCK_JOB_DEFAULT, block_job_cb, NULL, &errp);
if (should_succeed) {
g_assert_null(errp);
g_assert_nonnull(job);
if (id) {
g_assert_cmpstr(job->id, ==, id);
} else {
g_assert_cmpstr(job->id, ==, blk_name(blk));
}
} else {
g_assert_nonnull(errp);
g_assert_null(job);
error_free(errp);
}
return job;
}
/* This creates a BlockBackend (optionally with a name) with a
* BlockDriverState inserted. */
static BlockBackend *create_blk(const char *name)
{
BlockBackend *blk = blk_new();
BlockDriverState *bs = bdrv_new();
blk_insert_bs(blk, bs);
bdrv_unref(bs);
if (name) {
Error *errp = NULL;
monitor_add_blk(blk, name, &errp);
g_assert_null(errp);
}
return blk;
}
/* This destroys the backend */
static void destroy_blk(BlockBackend *blk)
{
if (blk_name(blk)[0] != '\0') {
monitor_remove_blk(blk);
}
blk_remove_bs(blk);
blk_unref(blk);
}
static void test_job_ids(void)
{
BlockBackend *blk[3];
BlockJob *job[3];
blk[0] = create_blk(NULL);
blk[1] = create_blk("drive1");
blk[2] = create_blk("drive2");
/* No job ID provided and the block backend has no name */
job[0] = do_test_id(blk[0], NULL, false);
/* These are all invalid job IDs */
job[0] = do_test_id(blk[0], "0id", false);
job[0] = do_test_id(blk[0], "", false);
job[0] = do_test_id(blk[0], " ", false);
job[0] = do_test_id(blk[0], "123", false);
job[0] = do_test_id(blk[0], "_id", false);
job[0] = do_test_id(blk[0], "-id", false);
job[0] = do_test_id(blk[0], ".id", false);
job[0] = do_test_id(blk[0], "#id", false);
/* This one is valid */
job[0] = do_test_id(blk[0], "id0", true);
/* We cannot have two jobs in the same BDS */
do_test_id(blk[0], "id1", false);
/* Duplicate job IDs are not allowed */
job[1] = do_test_id(blk[1], "id0", false);
/* But once job[0] finishes we can reuse its ID */
block_job_unref(job[0]);
job[1] = do_test_id(blk[1], "id0", true);
/* No job ID specified, defaults to the backend name ('drive1') */
block_job_unref(job[1]);
job[1] = do_test_id(blk[1], NULL, true);
/* Duplicate job ID */
job[2] = do_test_id(blk[2], "drive1", false);
/* The ID of job[2] would default to 'drive2' but it is already in use */
job[0] = do_test_id(blk[0], "drive2", true);
job[2] = do_test_id(blk[2], NULL, false);
/* This one is valid */
job[2] = do_test_id(blk[2], "id_2", true);
block_job_unref(job[0]);
block_job_unref(job[1]);
block_job_unref(job[2]);
destroy_blk(blk[0]);
destroy_blk(blk[1]);
destroy_blk(blk[2]);
}
int main(int argc, char **argv)
{
qemu_init_main_loop(&error_abort);
g_test_init(&argc, &argv, NULL);
g_test_add_func("/blockjob/ids", test_job_ids);
return g_test_run();
}
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