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# include <config.h>
# include <inttypes.h>
# include "testutils.h"
# include "virfilewrapper.h"
# include "qemu/qemu_vhost_user.h"
# include "configmake.h"
# define VIR_FROM_THIS VIR_FROM_QEMU
/* A very basic test. Parse given JSON vhostuser description into
* an internal structure , format it back and compare with the
* contents of the file ( minus some keys that are not parsed ) .
*/
static int
testParseFormatVU ( const void * opaque )
{
const char * filename = opaque ;
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g_autofree char * path = NULL ;
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g_autoptr ( qemuVhostUser ) vu = NULL ;
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g_autofree char * buf = NULL ;
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g_autoptr ( virJSONValue ) json = NULL ;
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g_autofree char * expected = NULL ;
g_autofree char * actual = NULL ;
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path = g_strdup_printf ( " %s/qemuvhostuserdata/%s " , abs_srcdir , filename ) ;
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if ( ! ( vu = qemuVhostUserParse ( path ) ) )
return - 1 ;
if ( virFileReadAll ( path ,
1024 * 1024 , /* 1MiB */
& buf ) < 0 )
return - 1 ;
if ( ! ( json = virJSONValueFromString ( buf ) ) )
return - 1 ;
/* Description and tags are not parsed. */
if ( virJSONValueObjectRemoveKey ( json , " description " , NULL ) < 0 | |
virJSONValueObjectRemoveKey ( json , " tags " , NULL ) < 0 )
return - 1 ;
if ( ! ( expected = virJSONValueToString ( json , true ) ) )
return - 1 ;
if ( ! ( actual = qemuVhostUserFormat ( vu ) ) )
return - 1 ;
return virTestCompareToString ( expected , actual ) ;
}
static int
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testVUPrecedence ( const void * opaque G_GNUC_UNUSED )
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{
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g_autofree char * fakehome = NULL ;
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VIR_AUTOSTRINGLIST vuList = NULL ;
size_t nvuList ;
size_t i ;
const char * expected [ ] = {
PREFIX " /share/qemu/vhost-user/30-gpu.json " ,
SYSCONFDIR " /qemu/vhost-user/40-gpu.json " ,
PREFIX " /share/qemu/vhost-user/60-gpu.json " ,
} ;
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const size_t nexpected = G_N_ELEMENTS ( expected ) ;
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fakehome = g_strdup ( abs_srcdir " /qemuvhostuserdata/home/user/.config " ) ;
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setenv ( " XDG_CONFIG_HOME " , fakehome , 1 ) ;
if ( qemuVhostUserFetchConfigs ( & vuList , false ) < 0 )
return - 1 ;
if ( ! vuList ) {
fprintf ( stderr , " Expected a non-NULL result, but got a NULL result \n " ) ;
return - 1 ;
}
nvuList = virStringListLength ( ( const char * * ) vuList ) ;
for ( i = 0 ; i < MAX ( nvuList , nexpected ) ; i + + ) {
const char * e = i < nexpected ? expected [ i ] : NULL ;
const char * f = i < nvuList ? vuList [ i ] : NULL ;
if ( STRNEQ_NULLABLE ( e , f ) ) {
fprintf ( stderr ,
" Unexpected path (i=%zu). Expected %s got %s \n " ,
i , NULLSTR ( e ) , NULLSTR ( f ) ) ;
return - 1 ;
}
}
return 0 ;
}
static int
mymain ( void )
{
int ret = 0 ;
virFileWrapperAddPrefix ( SYSCONFDIR " /qemu/vhost-user " ,
abs_srcdir " /qemuvhostuserdata/etc/qemu/vhost-user " ) ;
virFileWrapperAddPrefix ( PREFIX " /share/qemu/vhost-user " ,
abs_srcdir " /qemuvhostuserdata/usr/share/qemu/vhost-user " ) ;
virFileWrapperAddPrefix ( " /home/user/.config/qemu/vhost-user " ,
abs_srcdir " /qemuvhostuserdata/home/user/.config/qemu/vhost-user " ) ;
# define DO_PARSE_TEST(filename) \
do { \
if ( virTestRun ( " QEMU vhost-user " filename , \
testParseFormatVU , filename ) < 0 ) \
ret = - 1 ; \
} while ( 0 )
DO_PARSE_TEST ( " usr/share/qemu/vhost-user/50-gpu.json " ) ;
if ( virTestRun ( " QEMU vhost-user precedence test " , testVUPrecedence , NULL ) < 0 )
ret = - 1 ;
virFileWrapperClearPrefixes ( ) ;
return ret = = 0 ? EXIT_SUCCESS : EXIT_FAILURE ;
}
VIR_TEST_MAIN ( mymain )