LCOV - code coverage report
Current view: top level - mockatests/drivers - test-tapdisk-vbd.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 57 57 100.0 %
Date: 2025-03-04 17:26:00 Functions: 3 3 100.0 %
Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            :  * Copyright (c) 2020, Citrix Systems, Inc.
       3                 :            :  *
       4                 :            :  * All rights reserved.
       5                 :            :  *
       6                 :            :  * Redistribution and use in source and binary forms, with or without
       7                 :            :  * modification, are permitted provided that the following conditions are met:
       8                 :            :  * 
       9                 :            :  *  1. Redistributions of source code must retain the above copyright
      10                 :            :  *     notice, this list of conditions and the following disclaimer.
      11                 :            :  *  2. Redistributions in binary form must reproduce the above copyright
      12                 :            :  *     notice, this list of conditions and the following disclaimer in the
      13                 :            :  *     documentation and/or other materials provided with the distribution.
      14                 :            :  *  3. Neither the name of the copyright holder nor the names of its 
      15                 :            :  *     contributors may be used to endorse or promote products derived from 
      16                 :            :  *     this software without specific prior written permission.
      17                 :            :  *
      18                 :            :  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      19                 :            :  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      20                 :            :  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      21                 :            :  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
      22                 :            :  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
      23                 :            :  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
      24                 :            :  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
      25                 :            :  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
      26                 :            :  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
      27                 :            :  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
      28                 :            :  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      29                 :            :  */
      30                 :            : 
      31                 :            : #include <stddef.h>
      32                 :            : #include <stdarg.h>
      33                 :            : #include <setjmp.h>
      34                 :            : #include <cmocka.h>
      35                 :            : #include <stdlib.h>
      36                 :            : 
      37                 :            : #include "test-suites.h"
      38                 :            : #include "tapdisk.h"
      39                 :            : #include "tapdisk-vbd.h"
      40                 :            : #include "tapdisk-disktype.h"
      41                 :            : #include "tapdisk-image.h"
      42                 :            : #include "tapdisk-interface.h"
      43                 :            : #include "tapdisk-nbdserver.h"
      44                 :            : 
      45                 :            : void
      46                 :          1 : test_vbd_linked_list(void **state)
      47                 :            : {
      48                 :          1 :         tapdisk_extents_t *extents = malloc(sizeof(*extents));
      49                 :            :         bzero(extents, sizeof(tapdisk_extents_t));
      50                 :            :         td_request_t vreq;
      51                 :            :         bzero(&vreq, sizeof(td_request_t));
      52                 :            : 
      53                 :            :         vreq.sec = 0;
      54                 :          1 :         vreq.secs = 2;
      55                 :          1 :         vreq.status = 1;
      56                 :            : 
      57                 :          1 :         add_extent(extents, &vreq);
      58                 :            : 
      59                 :          1 :         assert_ptr_equal(extents->tail, extents->head);
      60                 :          1 :         assert_int_equal(extents->tail->start, 0);
      61                 :          1 :         assert_int_equal(extents->tail->length, 2);
      62                 :          1 :         assert_int_equal(extents->tail->flag, 1);
      63                 :          1 :         assert_null(extents->tail->next);
      64                 :          1 :         assert_int_equal(extents->count, 1);
      65                 :            : 
      66                 :          1 :         free_extents(extents);
      67                 :          1 : }
      68                 :            : 
      69                 :            : void
      70                 :          1 : test_vbd_issue_request(void **stat)
      71                 :            : {
      72                 :            : 
      73                 :            :         td_vbd_t vbd;
      74                 :            :         bzero(&vbd, sizeof(td_vbd_t));
      75                 :            :         INIT_LIST_HEAD(&vbd.images);
      76                 :            :         INIT_LIST_HEAD(&vbd.pending_requests);
      77                 :          1 :         td_image_t *image = tapdisk_image_allocate("blah", DISK_TYPE_VHD, TD_OPEN_RDONLY | TD_OPEN_SHAREABLE);
      78                 :          1 :         list_add_tail(&image->next, &vbd.images);
      79                 :            : 
      80                 :            :         td_vbd_request_t vreq;
      81                 :            :         bzero(&vreq, sizeof(td_vbd_request_t));
      82                 :            :         INIT_LIST_HEAD(&vreq.next);
      83                 :          1 :         vreq.iovcnt = 1;
      84                 :            :         struct td_iovec iov;
      85                 :          1 :         iov.base = 0;
      86                 :          1 :         iov.secs = 2;
      87                 :          1 :         vreq.iov = &iov;
      88                 :          1 :         vreq.op = TD_OP_BLOCK_STATUS;
      89                 :            : 
      90                 :            :         td_request_t my_treq;
      91                 :            :         bzero(&my_treq, sizeof(my_treq));
      92                 :            :         my_treq.sidx           = 0;
      93                 :            :         my_treq.buf            = iov.base;
      94                 :            :         my_treq.sec            = vreq.sec;
      95                 :          1 :         my_treq.secs           = iov.secs;
      96                 :          1 :         my_treq.image          = image;
      97                 :            :         my_treq.cb_data        = NULL;
      98                 :          1 :         my_treq.vreq           = &vreq;
      99                 :          1 :         my_treq.op = TD_OP_BLOCK_STATUS;
     100                 :          1 :         my_treq.cb = tapdisk_vbd_complete_block_status_request;
     101                 :            :         
     102                 :          1 :         expect_memory(__wrap_td_queue_block_status, treq, &my_treq, sizeof(my_treq));
     103                 :            :         
     104                 :          1 :         will_return(__wrap_tapdisk_image_check_request, 0);
     105                 :          1 :         int err = tapdisk_vbd_issue_request(&vbd, &vreq);
     106                 :          1 :         assert_int_equal(err, 0);
     107                 :          1 :         tapdisk_image_free(image);
     108                 :          1 : }
     109                 :            : 
     110                 :            : void
     111                 :          1 : test_vbd_complete_block_status_request(void **stat)
     112                 :            : {
     113                 :            : 
     114                 :            :         td_vbd_t vbd;
     115                 :            :         bzero(&vbd, sizeof(td_vbd_t));
     116                 :            :         INIT_LIST_HEAD(&vbd.images);
     117                 :            :         INIT_LIST_HEAD(&vbd.pending_requests);
     118                 :          1 :         td_image_t *image = tapdisk_image_allocate("blah", DISK_TYPE_VHD, TD_OPEN_RDONLY | TD_OPEN_SHAREABLE);
     119                 :          1 :         list_add_tail(&image->next, &vbd.images);
     120                 :            : 
     121                 :          1 :         tapdisk_extents_t *extents = malloc(sizeof(*extents));
     122                 :            :         bzero(extents, sizeof(*extents));
     123                 :            :         
     124                 :            :         td_vbd_request_t vreq;
     125                 :            :         bzero(&vreq, sizeof(td_vbd_request_t));
     126                 :            :         INIT_LIST_HEAD(&vreq.next);
     127                 :          1 :         vreq.vbd = &vbd;
     128                 :          1 :         vreq.iovcnt = 1;
     129                 :            :         struct td_iovec iov;
     130                 :          1 :         iov.base = 0;
     131                 :          1 :         iov.secs = 123;
     132                 :          1 :         vreq.iov = &iov;
     133                 :          1 :         vreq.op = TD_OP_BLOCK_STATUS;
     134                 :          1 :         vreq.data = extents;
     135                 :            : 
     136                 :            :         td_request_t my_treq;
     137                 :            :         bzero(&my_treq, sizeof(my_treq));
     138                 :            :         my_treq.sidx           = 0;
     139                 :            :         my_treq.buf            = iov.base;
     140                 :            :         my_treq.sec            = vreq.sec;
     141                 :          1 :         my_treq.secs           = iov.secs;
     142                 :          1 :         my_treq.image          = image;
     143                 :            :         my_treq.cb_data        = NULL;
     144                 :          1 :         my_treq.vreq           = &vreq;
     145                 :          1 :         my_treq.status         = TD_BLOCK_STATE_HOLE;
     146                 :          1 :         my_treq.op = TD_OP_BLOCK_STATUS;
     147                 :          1 :         my_treq.cb = tapdisk_vbd_complete_block_status_request;
     148                 :            : 
     149                 :          1 :         tapdisk_vbd_complete_block_status_request(my_treq, 0);
     150                 :          1 :         assert_non_null(extents->head);
     151                 :          1 :         assert_int_equal(extents->head->flag, TD_BLOCK_STATE_HOLE);
     152                 :          1 :         assert_int_equal(extents->head->start, my_treq.sec);
     153                 :          1 :         assert_int_equal(extents->head->length, my_treq.secs);
     154                 :            : 
     155                 :          1 :         tapdisk_image_close(image);
     156                 :          1 :         free_extents(extents);
     157                 :          1 : }

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