Message ID | 20180321065506.21091-4-peterx@redhat.com |
---|---|
State | New |
Headers | show |
Series | tests: trivial enhancements for OOB | expand |
On 03/21/2018 01:55 AM, Peter Xu wrote: > Add "id" fields to the commands, and check that the command returns are > in order. > > Signed-off-by: Peter Xu <peterx@redhat.com> > --- > tests/qmp-test.c | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > +++ b/tests/qmp-test.c > @@ -83,6 +83,7 @@ static void test_qmp_protocol(void) > const QListEntry *entry; > QString *qstr; > int i; > + char buf[128]; Eww, we shouldn't need this. > > qts = qtest_init_without_qmp_handshake(common_args); > > @@ -150,7 +151,10 @@ static void test_qmp_protocol(void) > * best-effort test. > */ > for (i = 0; i < 16; i++) { > - qtest_async_qmp(qts, "{ 'execute': 'query-version' }"); > + snprintf(buf, sizeof(buf) - 1, "{ 'execute': 'query-version', " > + "'id': %d }", i); > + buf[sizeof(buf) - 1] = '\0'; > + qtest_async_qmp(qts, buf); snprintf() of JSON strings is prone to failures especially when the JSON string is reinterpreted as a printf argument in qtest_async_qmp. Better is to let qtest_async_qmp() directly do the formatting, as in: qtest_async_qmp(qts, "{ 'execute':'query-version', 'id':%d}", i); And then I was right - you don't need buf. Otherwise the addition is good.
On Wed, Mar 21, 2018 at 07:55:19AM -0500, Eric Blake wrote: > On 03/21/2018 01:55 AM, Peter Xu wrote: > > Add "id" fields to the commands, and check that the command returns are > > in order. > > > > Signed-off-by: Peter Xu <peterx@redhat.com> > > --- > > tests/qmp-test.c | 8 +++++++- > > 1 file changed, 7 insertions(+), 1 deletion(-) > > > > > +++ b/tests/qmp-test.c > > @@ -83,6 +83,7 @@ static void test_qmp_protocol(void) > > const QListEntry *entry; > > QString *qstr; > > int i; > > + char buf[128]; > > Eww, we shouldn't need this. > > > qts = qtest_init_without_qmp_handshake(common_args); > > @@ -150,7 +151,10 @@ static void test_qmp_protocol(void) > > * best-effort test. > > */ > > for (i = 0; i < 16; i++) { > > - qtest_async_qmp(qts, "{ 'execute': 'query-version' }"); > > + snprintf(buf, sizeof(buf) - 1, "{ 'execute': 'query-version', " > > + "'id': %d }", i); > > + buf[sizeof(buf) - 1] = '\0'; > > + qtest_async_qmp(qts, buf); > > snprintf() of JSON strings is prone to failures especially when the JSON > string is reinterpreted as a printf argument in qtest_async_qmp. Better is > to let qtest_async_qmp() directly do the formatting, as in: > > qtest_async_qmp(qts, "{ 'execute':'query-version', 'id':%d}", i); > > And then I was right - you don't need buf. Ouch. :) Will fix that. Thanks, > > Otherwise the addition is good. > > -- > Eric Blake, Principal Software Engineer > Red Hat, Inc. +1-919-301-3266 > Virtualization: qemu.org | libvirt.org
diff --git a/tests/qmp-test.c b/tests/qmp-test.c index 07c0b87e27..c861c3b550 100644 --- a/tests/qmp-test.c +++ b/tests/qmp-test.c @@ -83,6 +83,7 @@ static void test_qmp_protocol(void) const QListEntry *entry; QString *qstr; int i; + char buf[128]; qts = qtest_init_without_qmp_handshake(common_args); @@ -150,7 +151,10 @@ static void test_qmp_protocol(void) * best-effort test. */ for (i = 0; i < 16; i++) { - qtest_async_qmp(qts, "{ 'execute': 'query-version' }"); + snprintf(buf, sizeof(buf) - 1, "{ 'execute': 'query-version', " + "'id': %d }", i); + buf[sizeof(buf) - 1] = '\0'; + qtest_async_qmp(qts, buf); } /* Verify the replies to make sure no command is dropped. */ for (i = 0; i < 16; i++) { @@ -158,6 +162,8 @@ static void test_qmp_protocol(void) /* It should never be dropped. Each of them should be a reply. */ g_assert(qdict_haskey(resp, "return")); g_assert(!qdict_haskey(resp, "event")); + g_assert(qdict_haskey(resp, "id")); + g_assert(qdict_get_int(resp, "id") == i); QDECREF(resp); }
Add "id" fields to the commands, and check that the command returns are in order. Signed-off-by: Peter Xu <peterx@redhat.com> --- tests/qmp-test.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)