LCOV - code coverage report
Current view: top level - mockatests/control - test-tap-ctl-free.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 61 61 100.0 %
Date: 2025-02-07 10:27:58 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 <errno.h>
      36                 :            : #include <sys/file.h>
      37                 :            : 
      38                 :            : #include <wrappers.h>
      39                 :            : #include "control-wrappers.h"
      40                 :            : #include "test-suites.h"
      41                 :            : 
      42                 :            : #include "tap-ctl.h"
      43                 :            : #include "blktap.h"
      44                 :            : 
      45                 :          1 : void test_tap_ctl_free_open_fail(void **state)
      46                 :            : {
      47                 :          1 :         int dev_fd = -1;
      48                 :            :         int result;
      49                 :            : 
      50                 :          1 :         will_return(__wrap_open, dev_fd);
      51                 :          1 :         expect_string(__wrap_open, pathname, "/run/blktap-control/tapdisk");
      52                 :            : 
      53                 :          1 :         result = tap_ctl_free(0);
      54                 :            : 
      55                 :          1 :         assert_int_equal(result, -ENOENT);
      56                 :          1 : }
      57                 :            : 
      58                 :          1 : void test_tap_ctl_free_success(void **state)
      59                 :            : {
      60                 :          1 :         int dev_fd = 12;
      61                 :          1 :         int marker_fd = 13;
      62                 :            :         int result;
      63                 :            : 
      64                 :          1 :         will_return(__wrap_open, dev_fd);
      65                 :          1 :         expect_string(__wrap_open, pathname, "/run/blktap-control/tapdisk");
      66                 :            : 
      67                 :          1 :         will_return(__wrap_flock, 0);
      68                 :          1 :         expect_value(__wrap_flock, fd, dev_fd);
      69                 :          1 :         expect_value(__wrap_flock, operation, LOCK_EX);
      70                 :            : 
      71                 :            :         /* Open and lock, non-blocking, the marker file */
      72                 :          1 :         will_return(__wrap_open, marker_fd);
      73                 :          1 :         expect_string(__wrap_open, pathname, "/run/blktap-control/tapdisk/tapdisk-0");
      74                 :            : 
      75                 :          1 :         will_return(__wrap_flock, 0);
      76                 :          1 :         expect_value(__wrap_flock, fd, marker_fd);
      77                 :          1 :         expect_value(__wrap_flock, operation, LOCK_EX | LOCK_NB);
      78                 :            : 
      79                 :          1 :         will_return(__wrap_unlink, 0);
      80                 :          1 :         expect_string(__wrap_unlink, pathname, "/run/blktap-control/tapdisk/tapdisk-0");
      81                 :            : 
      82                 :          1 :         will_return(__wrap_flock, 0);
      83                 :          1 :         expect_value(__wrap_flock, fd, marker_fd);
      84                 :          1 :         expect_value(__wrap_flock, operation, LOCK_UN);
      85                 :            : 
      86                 :          1 :         will_return(__wrap_close, 0);
      87                 :          1 :         expect_value(__wrap_close, fd, marker_fd);
      88                 :            : 
      89                 :          1 :         will_return(__wrap_flock, 0);
      90                 :          1 :         expect_value(__wrap_flock, fd, dev_fd);
      91                 :          1 :         expect_value(__wrap_flock, operation, LOCK_UN);
      92                 :            : 
      93                 :          1 :         will_return(__wrap_close, 0);
      94                 :          1 :         expect_value(__wrap_close, fd, dev_fd);
      95                 :            : 
      96                 :          1 :         result = tap_ctl_free(0);
      97                 :            : 
      98                 :          1 :         assert_int_equal(result, 0);
      99                 :          1 : }
     100                 :            : 
     101                 :          1 : void test_tap_ctl_free_locked(void **state)
     102                 :            : {
     103                 :          1 :         int dev_fd = 12;
     104                 :          1 :         int marker_fd = 13;
     105                 :            :         int result;
     106                 :            : 
     107                 :          1 :         will_return(__wrap_open, dev_fd);
     108                 :          1 :         expect_string(__wrap_open, pathname, "/run/blktap-control/tapdisk");
     109                 :            : 
     110                 :          1 :         will_return(__wrap_flock, 0);
     111                 :          1 :         expect_value(__wrap_flock, fd, dev_fd);
     112                 :          1 :         expect_value(__wrap_flock, operation, LOCK_EX);
     113                 :            : 
     114                 :            :         /* Open and lock, non-blocking, the marker file */
     115                 :          1 :         will_return(__wrap_open, marker_fd);
     116                 :          1 :         expect_string(__wrap_open, pathname, "/run/blktap-control/tapdisk/tapdisk-0");
     117                 :            : 
     118                 :          1 :         will_return(__wrap_flock, EAGAIN);
     119                 :          1 :         expect_value(__wrap_flock, fd, marker_fd);
     120                 :          1 :         expect_value(__wrap_flock, operation, LOCK_EX | LOCK_NB);
     121                 :            : 
     122                 :          1 :         will_return(__wrap_flock, marker_fd);
     123                 :          1 :         expect_value(__wrap_flock, fd, marker_fd);
     124                 :          1 :         expect_value(__wrap_flock, operation, LOCK_UN);
     125                 :            : 
     126                 :          1 :         will_return(__wrap_close, 0);
     127                 :          1 :         expect_value(__wrap_close, fd, marker_fd);
     128                 :            : 
     129                 :          1 :         will_return(__wrap_flock, 0);
     130                 :          1 :         expect_value(__wrap_flock, fd, dev_fd);
     131                 :          1 :         expect_value(__wrap_flock, operation, LOCK_UN);
     132                 :            : 
     133                 :          1 :         will_return(__wrap_close, 0);
     134                 :          1 :         expect_value(__wrap_close, fd, dev_fd);
     135                 :            : 
     136                 :          1 :         result = tap_ctl_free(0);
     137                 :            : 
     138                 :          1 :         assert_int_equal(result, -EAGAIN);
     139                 :          1 : }
     140                 :            : 

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