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Since 7f0317c we have API to specify the ID of block jobs and we also guarantee that they are well-formed and unique. This patch adds tests to check some common scenarios. Signed-off-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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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. | ||
*/ | ||
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#include "qemu/osdep.h" | ||
#include "qapi/error.h" | ||
#include "qemu/main-loop.h" | ||
#include "block/blockjob.h" | ||
#include "sysemu/block-backend.h" | ||
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static const BlockJobDriver test_block_job_driver = { | ||
.instance_size = sizeof(BlockJob), | ||
}; | ||
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static void block_job_cb(void *opaque, int ret) | ||
{ | ||
} | ||
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static BlockJob *do_test_id(BlockBackend *blk, const char *id, | ||
bool should_succeed) | ||
{ | ||
BlockJob *job; | ||
Error *errp = NULL; | ||
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job = block_job_create(id, &test_block_job_driver, blk_bs(blk), 0, | ||
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); | ||
} | ||
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return job; | ||
} | ||
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/* 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(); | ||
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blk_insert_bs(blk, bs); | ||
bdrv_unref(bs); | ||
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if (name) { | ||
Error *errp = NULL; | ||
monitor_add_blk(blk, name, &errp); | ||
g_assert_null(errp); | ||
} | ||
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return blk; | ||
} | ||
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/* This destroys the backend */ | ||
static void destroy_blk(BlockBackend *blk) | ||
{ | ||
if (blk_name(blk)[0] != '\0') { | ||
monitor_remove_blk(blk); | ||
} | ||
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blk_remove_bs(blk); | ||
blk_unref(blk); | ||
} | ||
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static void test_job_ids(void) | ||
{ | ||
BlockBackend *blk[3]; | ||
BlockJob *job[3]; | ||
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blk[0] = create_blk(NULL); | ||
blk[1] = create_blk("drive1"); | ||
blk[2] = create_blk("drive2"); | ||
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/* No job ID provided and the block backend has no name */ | ||
job[0] = do_test_id(blk[0], NULL, false); | ||
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/* 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); | ||
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/* This one is valid */ | ||
job[0] = do_test_id(blk[0], "id0", true); | ||
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/* We cannot have two jobs in the same BDS */ | ||
do_test_id(blk[0], "id1", false); | ||
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/* Duplicate job IDs are not allowed */ | ||
job[1] = do_test_id(blk[1], "id0", false); | ||
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/* But once job[0] finishes we can reuse its ID */ | ||
block_job_unref(job[0]); | ||
job[1] = do_test_id(blk[1], "id0", true); | ||
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/* No job ID specified, defaults to the backend name ('drive1') */ | ||
block_job_unref(job[1]); | ||
job[1] = do_test_id(blk[1], NULL, true); | ||
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/* Duplicate job ID */ | ||
job[2] = do_test_id(blk[2], "drive1", false); | ||
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/* 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); | ||
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/* This one is valid */ | ||
job[2] = do_test_id(blk[2], "id_2", true); | ||
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block_job_unref(job[0]); | ||
block_job_unref(job[1]); | ||
block_job_unref(job[2]); | ||
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destroy_blk(blk[0]); | ||
destroy_blk(blk[1]); | ||
destroy_blk(blk[2]); | ||
} | ||
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int main(int argc, char **argv) | ||
{ | ||
qemu_init_main_loop(&error_abort); | ||
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g_test_init(&argc, &argv, NULL); | ||
g_test_add_func("/blockjob/ids", test_job_ids); | ||
return g_test_run(); | ||
} |