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authorPaolo Bonzini <pbonzini@redhat.com>2014-08-04 17:11:03 -0400
committerStefan Hajnoczi <stefanha@redhat.com>2014-08-15 18:03:11 +0100
commit7c282cb4c5e84119832f777b40255aac5c65b1d7 (patch)
tree6ecffb53b33ea66e1ac92dd6ea8d4fc360cae56a /tests
parent9e52c53b8c7821ce06e8b995b960e81b469e6847 (diff)
libqtest: add QTEST_LOG for debugging qtest testcases
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'tests')
-rw-r--r--tests/libqtest.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/tests/libqtest.c b/tests/libqtest.c
index 98e8f4b648..4a75cd3a94 100644
--- a/tests/libqtest.c
+++ b/tests/libqtest.c
@@ -167,11 +167,12 @@ QTestState *qtest_init(const char *extra_args)
if (s->qemu_pid == 0) {
command = g_strdup_printf("exec %s "
"-qtest unix:%s,nowait "
- "-qtest-log /dev/null "
+ "-qtest-log %s "
"-qmp unix:%s,nowait "
"-machine accel=qtest "
"-display none "
"%s", qemu_binary, socket_path,
+ getenv("QTEST_LOG") ? "/dev/fd/2" : "/dev/null",
qmp_socket_path,
extra_args ?: "");
execlp("/bin/sh", "sh", "-c", command, NULL);
@@ -358,6 +359,7 @@ static void qmp_response(JSONMessageParser *parser, QList *tokens)
QDict *qtest_qmp_receive(QTestState *s)
{
QMPResponseParser qmp;
+ bool log = getenv("QTEST_LOG") != NULL;
qmp.response = NULL;
json_message_parser_init(&qmp.parser, qmp_response);
@@ -375,6 +377,9 @@ QDict *qtest_qmp_receive(QTestState *s)
exit(1);
}
+ if (log) {
+ len = write(2, &c, 1);
+ }
json_message_parser_feed(&qmp.parser, &c, 1);
}
json_message_parser_destroy(&qmp.parser);