** Description changed:

  After the Debian sync that update libqmi from 1.16.2-1 to 1.18.0-1, the
  package FTBFS due to a new step in the test setup for the test-generated
  suite.
  
  From the buildlogs:
  
  TEST: test-generated... (pid=17634)
-   /libqmi-glib/generated/core:                                         
+   /libqmi-glib/generated/core:
  (/<<PKGBUILDDIR>>/src/libqmi-glib/test/.libs/test-generated:17634): 
GLib-CRITICAL **: g_file_test: assertion 'filename != NULL' failed
  FAIL
- 
  
  Backtrace:
  #0  0x00007ffff7113ff1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #1  0x00007ffff71152ed in g_logv () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007ffff711544f in g_log () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007ffff70fa42a in g_file_test () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff7a1ca03 in __qmi_utils_get_driver (cdc_wdm_path=<optimized 
out>)
-     at qmi-utils.c:746
+     at qmi-utils.c:746
  #5  0x00007ffff7a21be7 in device_open_context_step (ctx=0x55555576b0f0) at 
qmi-device.c:2157
  #6  0x0000555555557b5e in test_fixture_setup (fixture=0x55555576ba00) at 
test-fixture.c:156
  #7  0x00007ffff71352c5 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #8  0x00007ffff713549f in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #9  0x00007ffff713549f in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #10 0x00007ffff71356ae in g_test_run_suite () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #11 0x00007ffff71356d1 in g_test_run () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #12 0x0000555555557352 in main (argc=<optimized out>, argv=<optimized out>)
-     at test-generated.c:665
+     at test-generated.c:665
  
  strace:
  lstat("/sys", {st_dev=makedev(0, 18), st_ino=1, st_mode=S_IFDIR|0555, 
st_nlink=13, st_uid=0, st_gid=0, st_blksize=4096, st_blocks=0, st_size=0, 
st_atime=2017-06-21T16:17:32+0000.691480392, 
st_mtime=2017-06-19T06:48:49+0000.504000019, 
st_ctime=2017-06-19T06:48:49+0000.504000019}) = 0
  lstat("/sys/class", {st_dev=makedev(0, 18), st_ino=10, st_mode=S_IFDIR|0755, 
st_nlink=73, st_uid=0, st_gid=0, st_blksize=4096, st_blocks=0, st_size=0, 
st_atime=2017-06-21T15:46:45+0000.176007545, 
st_mtime=2017-06-19T06:48:49+0000.532000158, 
st_ctime=2017-06-19T06:48:49+0000.532000158}) = 0
  lstat("/sys/class/usbmisc", {st_dev=makedev(0, 18), st_ino=107497, 
st_mode=S_IFDIR|0755, st_nlink=2, st_uid=0, st_gid=0, st_blksize=4096, 
st_blocks=0, st_size=0, st_atime=2017-06-21T15:46:45+0000.200007699, 
st_mtime=2017-06-21T15:46:45+0000.196007673, 
st_ctime=2017-06-21T15:46:45+0000.196007673}) = 0
  lstat("/sys/class/usbmisc/qmi000314190000", 0x7ffc6fc9ec20) = -1 ENOENT (No 
such file or directory)
  getpeername(2, 0x7ffc6fc9e800, [128])   = -1 ENOTSOCK (Socket operation on 
non-socket)
  futex(0x7f2423d66e28, FUTEX_WAKE_PRIVATE, 2147483647) = 0
  ioctl(2, TCGETS, {c_iflags=0x4500, c_oflags=0x5, c_cflags=0xbf, 
c_lflags=0x8a3b, c_line=0, 
c_cc="\x03\x1c\x7f\x15\x04\x00\x01\x00\x11\x13\x1a\x00\x12\x0f\x17\x16\x00\x00\x00"})
 = 0
  brk(0x5567ac071000)                     = 0x5567ac071000
  brk(0x5567ac069000)                     = 0x5567ac069000
  write(2, 
"\n(/build/libqmi-cr4ivg/libqmi-1.18.0/src/libqmi-glib/test/.libs/test-generated:31419):
 GLib-\33[1;35mCRITICAL\33[0m **: g_file_test: assertion 'filename != NULL' 
failed\n", 165) = 165
  --- SIGTRAP {si_signo=SIGTRAP, si_code=SI_KERNEL} ---
  +++ killed by SIGTRAP (core dumped) +++
  
- 
  The following (snipped) patch introduced the new test that is now
  failing:
  
  --- libqmi-1.16.2/src/libqmi-glib/qmi-utils.c   2016-07-13 07:27:23.000000000 
-0700
  +++ libqmi-1.18.0/src/libqmi-glib/qmi-utils.c   2017-03-21 06:26:54.000000000 
-0700
  @@ -1078,27 +720,49 @@
-  
-  
/*****************************************************************************/
-  
+ 
+ 
/*****************************************************************************/
+ 
  +gchar *
  +__qmi_utils_get_driver (const gchar *cdc_wdm_path)
  +{
  +    static const gchar *subsystems[] = { "usbmisc", "usb" };
  +    guint i;
  +    gchar *device_basename;
  +    gchar *driver = NULL;
  +
  +    device_basename = g_path_get_basename (cdc_wdm_path);
  +
  +    for (i = 0; !driver && i < G_N_ELEMENTS (subsystems); i++) {
  +        gchar *tmp;
  +        gchar *path;
  +
  +        /* driver sysfs can be built directly using subsystem and name; e.g. 
for subsystem
  +         * usbmisc and name cdc-wdm0:
  +         *    $ realpath /sys/class/usbmisc/cdc-wdm0/device/driver
  +         *    /sys/bus/usb/drivers/qmi_wwan
  +         */
  +        tmp = g_strdup_printf ("/sys/class/%s/%s/device/driver", 
subsystems[i], device_basename);
  +        path = canonicalize_file_name (tmp);
  +        g_free (tmp);
  +
  +        if (g_file_test (path, G_FILE_TEST_EXISTS))
  +            driver = g_path_get_basename (path);
  +        g_free (path);
  +    }
  +
  +    g_free (device_basename);
  +
  +    return driver;
  +}
  +
  
+/*****************************************************************************/
  
  --- libqmi-1.16.2/src/libqmi-glib/qmi-device.c  2016-11-07 01:58:29.000000000 
-0800
  +++ libqmi-1.18.0/src/libqmi-glib/qmi-device.c  2017-03-21 06:26:54.000000000 
-0700
  @@ -2285,6 +2153,60 @@
-          ctx->step++;
-          /* Fall down */
-  
+          ctx->step++;
+          /* Fall down */
+ 
  +    case DEVICE_OPEN_CONTEXT_STEP_DRIVER:
  +        ctx->driver = __qmi_utils_get_driver (ctx->self->priv->path);
  +        if (ctx->driver)
  +            g_debug ("[%s] loaded driver of cdc-wdm port: %s", 
ctx->self->priv->path_display
  , ctx->driver);
  +        else if (!ctx->self->priv->no_file_check)
  +            g_warning ("[%s] couldn't load driver of cdc-wdm port", 
ctx->self->priv->path_di
  splay);
  
- 
  For some reason the device is not being created (or found) at the
  expected path. Buildlogs from Debian indicates that the tests were run
  and all passed.
+ 
+ The test fails on an artful chroot (artful host) and on the artful host
+ itself. It passes on a debian experimental chroot (same artful host).

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https://bugs.launchpad.net/bugs/1699599

Title:
  [FTBFS] libqmi 1.18.0-1 fails test during build time

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