2012-03-22 19:51:10 +08:00
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/*
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* QMP Input Visitor unit-tests (strict mode).
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*
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2015-05-04 23:05:06 +08:00
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* Copyright (C) 2011-2012, 2015 Red Hat Inc.
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2012-03-22 19:51:10 +08:00
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*
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* Authors:
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* Luiz Capitulino <lcapitulino@redhat.com>
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* Paolo Bonzini <pbonzini@redhat.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include <glib.h>
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#include <stdarg.h>
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2012-12-06 18:22:34 +08:00
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#include "qemu-common.h"
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2012-03-22 19:51:10 +08:00
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#include "qapi/qmp-input-visitor.h"
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#include "test-qapi-types.h"
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#include "test-qapi-visit.h"
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2012-12-18 01:19:43 +08:00
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#include "qapi/qmp/types.h"
|
qapi: New QMP command query-qmp-schema for QMP introspection
qapi/introspect.json defines the introspection schema. It's designed
for QMP introspection, but should do for similar uses, such as QGA.
The introspection schema does not reflect all the rules and
restrictions that apply to QAPI schemata. A valid QAPI schema has an
introspection value conforming to the introspection schema, but the
converse is not true.
Introspection lowers away a number of schema details, and makes
implicit things explicit:
* The built-in types are declared with their JSON type.
All integer types are mapped to 'int', because how many bits we use
internally is an implementation detail. It could be pressed into
external interface service as very approximate range information,
but that's a bad idea. If we need range information, we better do
it properly.
* Implicit type definitions are made explicit, and given
auto-generated names:
- Array types, named by appending "List" to the name of their
element type, like in generated C.
- The enumeration types implicitly defined by simple union types,
named by appending "Kind" to the name of their simple union type,
like in generated C.
- Types that don't occur in generated C. Their names start with ':'
so they don't clash with the user's names.
* All type references are by name.
* The struct and union types are generalized into an object type.
* Base types are flattened.
* Commands take a single argument and return a single result.
Dictionary argument or list result is an implicit type definition.
The empty object type is used when a command takes no arguments or
produces no results.
The argument is always of object type, but the introspection schema
doesn't reflect that.
The 'gen': false directive is omitted as implementation detail.
The 'success-response' directive is omitted as well for now, even
though it's not an implementation detail, because it's not used by
QMP.
* Events carry a single data value.
Implicit type definition and empty object type use, just like for
commands.
The value is of object type, but the introspection schema doesn't
reflect that.
* Types not used by commands or events are omitted.
Indirect use counts as use.
* Optional members have a default, which can only be null right now
Instead of a mandatory "optional" flag, we have an optional default.
No default means mandatory, default null means optional without
default value. Non-null is available for optional with default
(possible future extension).
* Clients should *not* look up types by name, because type names are
not ABI. Look up the command or event you're interested in, then
follow the references.
TODO Should we hide the type names to eliminate the temptation?
New generator scripts/qapi-introspect.py computes an introspection
value for its input, and generates a C variable holding it.
It can generate awfully long lines. Marked TODO.
A new test-qmp-input-visitor test case feeds its result for both
tests/qapi-schema/qapi-schema-test.json and qapi-schema.json to a
QmpInputVisitor to verify it actually conforms to the schema.
New QMP command query-qmp-schema takes its return value from that
variable. Its reply is some 85KiBytes for me right now.
If this turns out to be too much, we have a couple of options:
* We can use shorter names in the JSON. Not the QMP style.
* Optionally return the sub-schema for commands and events given as
arguments.
Right now qmp_query_schema() sends the string literal computed by
qmp-introspect.py. To compute sub-schema at run time, we'd have to
duplicate parts of qapi-introspect.py in C. Unattractive.
* Let clients cache the output of query-qmp-schema.
It changes only on QEMU upgrades, i.e. rarely. Provide a command
query-qmp-schema-hash. Clients can have a cache indexed by hash,
and re-query the schema only when they don't have it cached. Even
simpler: put the hash in the QMP greeting.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2015-09-16 19:06:28 +08:00
|
|
|
#include "test-qmp-introspect.h"
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#include "qmp-introspect.h"
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#include "qapi-visit.h"
|
2012-03-22 19:51:10 +08:00
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typedef struct TestInputVisitorData {
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|
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QObject *obj;
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|
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QmpInputVisitor *qiv;
|
|
|
|
} TestInputVisitorData;
|
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|
|
|
|
|
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static void validate_teardown(TestInputVisitorData *data,
|
|
|
|
const void *unused)
|
|
|
|
{
|
|
|
|
qobject_decref(data->obj);
|
|
|
|
data->obj = NULL;
|
|
|
|
|
|
|
|
if (data->qiv) {
|
|
|
|
qmp_input_visitor_cleanup(data->qiv);
|
|
|
|
data->qiv = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* This is provided instead of a test setup function so that the JSON
|
|
|
|
string used by the tests are kept in the test functions (and not
|
|
|
|
int main()) */
|
|
|
|
static GCC_FMT_ATTR(2, 3)
|
|
|
|
Visitor *validate_test_init(TestInputVisitorData *data,
|
|
|
|
const char *json_string, ...)
|
|
|
|
{
|
|
|
|
Visitor *v;
|
|
|
|
va_list ap;
|
|
|
|
|
|
|
|
va_start(ap, json_string);
|
|
|
|
data->obj = qobject_from_jsonv(json_string, &ap);
|
|
|
|
va_end(ap);
|
|
|
|
|
|
|
|
g_assert(data->obj != NULL);
|
|
|
|
|
|
|
|
data->qiv = qmp_input_visitor_new_strict(data->obj);
|
|
|
|
g_assert(data->qiv != NULL);
|
|
|
|
|
|
|
|
v = qmp_input_get_visitor(data->qiv);
|
|
|
|
g_assert(v != NULL);
|
|
|
|
|
|
|
|
return v;
|
|
|
|
}
|
|
|
|
|
qapi: New QMP command query-qmp-schema for QMP introspection
qapi/introspect.json defines the introspection schema. It's designed
for QMP introspection, but should do for similar uses, such as QGA.
The introspection schema does not reflect all the rules and
restrictions that apply to QAPI schemata. A valid QAPI schema has an
introspection value conforming to the introspection schema, but the
converse is not true.
Introspection lowers away a number of schema details, and makes
implicit things explicit:
* The built-in types are declared with their JSON type.
All integer types are mapped to 'int', because how many bits we use
internally is an implementation detail. It could be pressed into
external interface service as very approximate range information,
but that's a bad idea. If we need range information, we better do
it properly.
* Implicit type definitions are made explicit, and given
auto-generated names:
- Array types, named by appending "List" to the name of their
element type, like in generated C.
- The enumeration types implicitly defined by simple union types,
named by appending "Kind" to the name of their simple union type,
like in generated C.
- Types that don't occur in generated C. Their names start with ':'
so they don't clash with the user's names.
* All type references are by name.
* The struct and union types are generalized into an object type.
* Base types are flattened.
* Commands take a single argument and return a single result.
Dictionary argument or list result is an implicit type definition.
The empty object type is used when a command takes no arguments or
produces no results.
The argument is always of object type, but the introspection schema
doesn't reflect that.
The 'gen': false directive is omitted as implementation detail.
The 'success-response' directive is omitted as well for now, even
though it's not an implementation detail, because it's not used by
QMP.
* Events carry a single data value.
Implicit type definition and empty object type use, just like for
commands.
The value is of object type, but the introspection schema doesn't
reflect that.
* Types not used by commands or events are omitted.
Indirect use counts as use.
* Optional members have a default, which can only be null right now
Instead of a mandatory "optional" flag, we have an optional default.
No default means mandatory, default null means optional without
default value. Non-null is available for optional with default
(possible future extension).
* Clients should *not* look up types by name, because type names are
not ABI. Look up the command or event you're interested in, then
follow the references.
TODO Should we hide the type names to eliminate the temptation?
New generator scripts/qapi-introspect.py computes an introspection
value for its input, and generates a C variable holding it.
It can generate awfully long lines. Marked TODO.
A new test-qmp-input-visitor test case feeds its result for both
tests/qapi-schema/qapi-schema-test.json and qapi-schema.json to a
QmpInputVisitor to verify it actually conforms to the schema.
New QMP command query-qmp-schema takes its return value from that
variable. Its reply is some 85KiBytes for me right now.
If this turns out to be too much, we have a couple of options:
* We can use shorter names in the JSON. Not the QMP style.
* Optionally return the sub-schema for commands and events given as
arguments.
Right now qmp_query_schema() sends the string literal computed by
qmp-introspect.py. To compute sub-schema at run time, we'd have to
duplicate parts of qapi-introspect.py in C. Unattractive.
* Let clients cache the output of query-qmp-schema.
It changes only on QEMU upgrades, i.e. rarely. Provide a command
query-qmp-schema-hash. Clients can have a cache indexed by hash,
and re-query the schema only when they don't have it cached. Even
simpler: put the hash in the QMP greeting.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2015-09-16 19:06:28 +08:00
|
|
|
/* similar to validate_test_init(), but does not expect a string
|
|
|
|
* literal/format json_string argument and so can be used for
|
|
|
|
* programatically generated strings (and we can't pass in programatically
|
|
|
|
* generated strings via %s format parameters since qobject_from_jsonv()
|
|
|
|
* will wrap those in double-quotes and treat the entire object as a
|
|
|
|
* string)
|
|
|
|
*/
|
|
|
|
static Visitor *validate_test_init_raw(TestInputVisitorData *data,
|
|
|
|
const char *json_string)
|
|
|
|
{
|
|
|
|
Visitor *v;
|
|
|
|
|
|
|
|
data->obj = qobject_from_json(json_string);
|
|
|
|
g_assert(data->obj != NULL);
|
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|
|
|
|
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|
data->qiv = qmp_input_visitor_new_strict(data->obj);
|
|
|
|
g_assert(data->qiv != NULL);
|
|
|
|
|
|
|
|
v = qmp_input_get_visitor(data->qiv);
|
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|
g_assert(v != NULL);
|
|
|
|
|
|
|
|
return v;
|
|
|
|
}
|
|
|
|
|
2012-03-22 19:51:10 +08:00
|
|
|
typedef struct TestStruct
|
|
|
|
{
|
|
|
|
int64_t integer;
|
|
|
|
bool boolean;
|
|
|
|
char *string;
|
|
|
|
} TestStruct;
|
|
|
|
|
|
|
|
static void visit_type_TestStruct(Visitor *v, TestStruct **obj,
|
|
|
|
const char *name, Error **errp)
|
|
|
|
{
|
2014-05-07 15:53:53 +08:00
|
|
|
Error *err = NULL;
|
|
|
|
|
2012-03-22 19:51:10 +08:00
|
|
|
visit_start_struct(v, (void **)obj, "TestStruct", name, sizeof(TestStruct),
|
2014-05-07 15:53:53 +08:00
|
|
|
&err);
|
|
|
|
if (err) {
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
|
|
|
visit_type_int(v, &(*obj)->integer, "integer", &err);
|
qapi: Replace uncommon use of the error API by the common one
We commonly use the error API like this:
err = NULL;
foo(..., &err);
if (err) {
goto out;
}
bar(..., &err);
Every error source is checked separately. The second function is only
called when the first one succeeds. Both functions are free to pass
their argument to error_set(). Because error_set() asserts no error
has been set, this effectively means they must not be called with an
error set.
The qapi-generated code uses the error API differently:
// *errp was initialized to NULL somewhere up the call chain
frob(..., errp);
gnat(..., errp);
Errors accumulate in *errp: first error wins, subsequent errors get
dropped. To make this work, the second function does nothing when
called with an error set. Requires non-null errp, or else the second
function can't see the first one fail.
This usage has also bled into visitor tests, and two device model
object property getters rtc_get_date() and balloon_stats_get_all().
With the "accumulate" technique, you need fewer error checks in
callers, and buy that with an error check in every callee. Can be
nice.
However, mixing the two techniques is confusing. You can't use the
"accumulate" technique with functions designed for the "check
separately" technique. You can use the "check separately" technique
with functions designed for the "accumulate" technique, but then
error_set() can't catch you setting an error more than once.
Standardize on the "check separately" technique for now, because it's
overwhelmingly prevalent.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-05-07 15:53:54 +08:00
|
|
|
if (err) {
|
|
|
|
goto out_end;
|
|
|
|
}
|
2014-05-07 15:53:53 +08:00
|
|
|
visit_type_bool(v, &(*obj)->boolean, "boolean", &err);
|
qapi: Replace uncommon use of the error API by the common one
We commonly use the error API like this:
err = NULL;
foo(..., &err);
if (err) {
goto out;
}
bar(..., &err);
Every error source is checked separately. The second function is only
called when the first one succeeds. Both functions are free to pass
their argument to error_set(). Because error_set() asserts no error
has been set, this effectively means they must not be called with an
error set.
The qapi-generated code uses the error API differently:
// *errp was initialized to NULL somewhere up the call chain
frob(..., errp);
gnat(..., errp);
Errors accumulate in *errp: first error wins, subsequent errors get
dropped. To make this work, the second function does nothing when
called with an error set. Requires non-null errp, or else the second
function can't see the first one fail.
This usage has also bled into visitor tests, and two device model
object property getters rtc_get_date() and balloon_stats_get_all().
With the "accumulate" technique, you need fewer error checks in
callers, and buy that with an error check in every callee. Can be
nice.
However, mixing the two techniques is confusing. You can't use the
"accumulate" technique with functions designed for the "check
separately" technique. You can use the "check separately" technique
with functions designed for the "accumulate" technique, but then
error_set() can't catch you setting an error more than once.
Standardize on the "check separately" technique for now, because it's
overwhelmingly prevalent.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-05-07 15:53:54 +08:00
|
|
|
if (err) {
|
|
|
|
goto out_end;
|
|
|
|
}
|
2014-05-07 15:53:53 +08:00
|
|
|
visit_type_str(v, &(*obj)->string, "string", &err);
|
2012-03-22 19:51:10 +08:00
|
|
|
|
qapi: Replace uncommon use of the error API by the common one
We commonly use the error API like this:
err = NULL;
foo(..., &err);
if (err) {
goto out;
}
bar(..., &err);
Every error source is checked separately. The second function is only
called when the first one succeeds. Both functions are free to pass
their argument to error_set(). Because error_set() asserts no error
has been set, this effectively means they must not be called with an
error set.
The qapi-generated code uses the error API differently:
// *errp was initialized to NULL somewhere up the call chain
frob(..., errp);
gnat(..., errp);
Errors accumulate in *errp: first error wins, subsequent errors get
dropped. To make this work, the second function does nothing when
called with an error set. Requires non-null errp, or else the second
function can't see the first one fail.
This usage has also bled into visitor tests, and two device model
object property getters rtc_get_date() and balloon_stats_get_all().
With the "accumulate" technique, you need fewer error checks in
callers, and buy that with an error check in every callee. Can be
nice.
However, mixing the two techniques is confusing. You can't use the
"accumulate" technique with functions designed for the "check
separately" technique. You can use the "check separately" technique
with functions designed for the "accumulate" technique, but then
error_set() can't catch you setting an error more than once.
Standardize on the "check separately" technique for now, because it's
overwhelmingly prevalent.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-05-07 15:53:54 +08:00
|
|
|
out_end:
|
|
|
|
error_propagate(errp, err);
|
|
|
|
err = NULL;
|
2014-05-07 15:53:53 +08:00
|
|
|
visit_end_struct(v, &err);
|
|
|
|
out:
|
|
|
|
error_propagate(errp, err);
|
2012-03-22 19:51:10 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static void test_validate_struct(TestInputVisitorData *data,
|
|
|
|
const void *unused)
|
|
|
|
{
|
|
|
|
TestStruct *p = NULL;
|
2014-05-02 19:26:29 +08:00
|
|
|
Error *err = NULL;
|
2012-03-22 19:51:10 +08:00
|
|
|
Visitor *v;
|
|
|
|
|
|
|
|
v = validate_test_init(data, "{ 'integer': -42, 'boolean': true, 'string': 'foo' }");
|
|
|
|
|
2014-05-02 19:26:29 +08:00
|
|
|
visit_type_TestStruct(v, &p, NULL, &err);
|
|
|
|
g_assert(!err);
|
2012-03-22 19:51:10 +08:00
|
|
|
g_free(p->string);
|
|
|
|
g_free(p);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void test_validate_struct_nested(TestInputVisitorData *data,
|
|
|
|
const void *unused)
|
|
|
|
{
|
2015-05-04 23:05:29 +08:00
|
|
|
UserDefTwo *udp = NULL;
|
2014-05-02 19:26:29 +08:00
|
|
|
Error *err = NULL;
|
2012-03-22 19:51:10 +08:00
|
|
|
Visitor *v;
|
|
|
|
|
2015-05-04 23:05:29 +08:00
|
|
|
v = validate_test_init(data, "{ 'string0': 'string0', "
|
|
|
|
"'dict1': { 'string1': 'string1', "
|
|
|
|
"'dict2': { 'userdef': { 'integer': 42, "
|
|
|
|
"'string': 'string' }, 'string': 'string2'}}}");
|
2012-03-22 19:51:10 +08:00
|
|
|
|
2015-05-04 23:05:29 +08:00
|
|
|
visit_type_UserDefTwo(v, &udp, NULL, &err);
|
2014-05-02 19:26:29 +08:00
|
|
|
g_assert(!err);
|
2015-05-04 23:05:29 +08:00
|
|
|
qapi_free_UserDefTwo(udp);
|
2012-03-22 19:51:10 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static void test_validate_list(TestInputVisitorData *data,
|
|
|
|
const void *unused)
|
|
|
|
{
|
|
|
|
UserDefOneList *head = NULL;
|
2014-05-02 19:26:29 +08:00
|
|
|
Error *err = NULL;
|
2012-03-22 19:51:10 +08:00
|
|
|
Visitor *v;
|
|
|
|
|
|
|
|
v = validate_test_init(data, "[ { 'string': 'string0', 'integer': 42 }, { 'string': 'string1', 'integer': 43 }, { 'string': 'string2', 'integer': 44 } ]");
|
|
|
|
|
2014-05-02 19:26:29 +08:00
|
|
|
visit_type_UserDefOneList(v, &head, NULL, &err);
|
|
|
|
g_assert(!err);
|
2012-03-22 19:51:10 +08:00
|
|
|
qapi_free_UserDefOneList(head);
|
|
|
|
}
|
|
|
|
|
2015-05-04 23:05:06 +08:00
|
|
|
static void test_validate_union_native_list(TestInputVisitorData *data,
|
|
|
|
const void *unused)
|
2012-03-22 19:51:10 +08:00
|
|
|
{
|
2015-05-04 23:05:06 +08:00
|
|
|
UserDefNativeListUnion *tmp = NULL;
|
2012-03-22 19:51:10 +08:00
|
|
|
Visitor *v;
|
2014-05-02 19:26:29 +08:00
|
|
|
Error *err = NULL;
|
2012-03-22 19:51:10 +08:00
|
|
|
|
2015-05-04 23:05:06 +08:00
|
|
|
v = validate_test_init(data, "{ 'type': 'integer', 'data' : [ 1, 2 ] }");
|
2012-03-22 19:51:10 +08:00
|
|
|
|
2015-05-04 23:05:06 +08:00
|
|
|
visit_type_UserDefNativeListUnion(v, &tmp, NULL, &err);
|
2014-05-02 19:26:29 +08:00
|
|
|
g_assert(!err);
|
2015-05-04 23:05:06 +08:00
|
|
|
qapi_free_UserDefNativeListUnion(tmp);
|
2012-03-22 19:51:10 +08:00
|
|
|
}
|
|
|
|
|
2014-03-01 15:40:33 +08:00
|
|
|
static void test_validate_union_flat(TestInputVisitorData *data,
|
|
|
|
const void *unused)
|
|
|
|
{
|
|
|
|
UserDefFlatUnion *tmp = NULL;
|
|
|
|
Visitor *v;
|
2014-05-02 19:26:29 +08:00
|
|
|
Error *err = NULL;
|
2014-03-01 15:40:33 +08:00
|
|
|
|
2014-03-05 10:44:39 +08:00
|
|
|
v = validate_test_init(data,
|
|
|
|
"{ 'enum1': 'value1', "
|
qapi-visit: Convert to QAPISchemaVisitor, fixing bugs
Fixes flat unions to visit the base's base members (the previous
commit merely added them to the struct). Same test case.
Patch's effect on visit_type_UserDefFlatUnion():
static void visit_type_UserDefFlatUnion_fields(Visitor *m, UserDefFlatUnion **obj, Error **errp)
{
Error *err = NULL;
+ visit_type_int(m, &(*obj)->integer, "integer", &err);
+ if (err) {
+ goto out;
+ }
visit_type_str(m, &(*obj)->string, "string", &err);
if (err) {
goto out;
Test cases updated for the bug fix.
Fixes alternates to generate a visitor for their implicit enumeration
type. None of them are currently used, obviously. Example:
block-core.json's BlockdevRef now generates
visit_type_BlockdevRefKind().
Code is generated in a different order now, and therefore has got a
few new forward declarations. Doesn't matter.
The guard QAPI_VISIT_BUILTIN_VISITOR_DECL is renamed to
QAPI_VISIT_BUILTIN.
The previous commit's two ugly special cases exist here, too. Mark
both TODO.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2015-09-16 19:06:10 +08:00
|
|
|
"'integer': 41, "
|
2014-03-05 10:44:39 +08:00
|
|
|
"'string': 'str', "
|
|
|
|
"'boolean': true }");
|
2014-03-01 15:40:33 +08:00
|
|
|
|
2014-05-02 19:26:29 +08:00
|
|
|
visit_type_UserDefFlatUnion(v, &tmp, NULL, &err);
|
|
|
|
g_assert(!err);
|
2014-03-01 15:40:33 +08:00
|
|
|
qapi_free_UserDefFlatUnion(tmp);
|
|
|
|
}
|
|
|
|
|
2015-05-04 23:05:11 +08:00
|
|
|
static void test_validate_alternate(TestInputVisitorData *data,
|
|
|
|
const void *unused)
|
2014-03-01 15:40:30 +08:00
|
|
|
{
|
2015-05-04 23:05:11 +08:00
|
|
|
UserDefAlternate *tmp = NULL;
|
2014-03-01 15:40:30 +08:00
|
|
|
Visitor *v;
|
2014-05-02 19:26:29 +08:00
|
|
|
Error *err = NULL;
|
2014-03-01 15:40:30 +08:00
|
|
|
|
|
|
|
v = validate_test_init(data, "42");
|
|
|
|
|
2015-05-04 23:05:11 +08:00
|
|
|
visit_type_UserDefAlternate(v, &tmp, NULL, &err);
|
2014-05-02 19:26:29 +08:00
|
|
|
g_assert(!err);
|
2015-05-04 23:05:11 +08:00
|
|
|
qapi_free_UserDefAlternate(tmp);
|
2014-03-01 15:40:30 +08:00
|
|
|
}
|
|
|
|
|
2012-03-22 19:51:10 +08:00
|
|
|
static void test_validate_fail_struct(TestInputVisitorData *data,
|
|
|
|
const void *unused)
|
|
|
|
{
|
|
|
|
TestStruct *p = NULL;
|
2014-05-02 19:26:29 +08:00
|
|
|
Error *err = NULL;
|
2012-03-22 19:51:10 +08:00
|
|
|
Visitor *v;
|
|
|
|
|
|
|
|
v = validate_test_init(data, "{ 'integer': -42, 'boolean': true, 'string': 'foo', 'extra': 42 }");
|
|
|
|
|
2014-05-02 19:26:29 +08:00
|
|
|
visit_type_TestStruct(v, &p, NULL, &err);
|
|
|
|
g_assert(err);
|
2012-03-22 19:51:10 +08:00
|
|
|
if (p) {
|
|
|
|
g_free(p->string);
|
|
|
|
}
|
|
|
|
g_free(p);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void test_validate_fail_struct_nested(TestInputVisitorData *data,
|
|
|
|
const void *unused)
|
|
|
|
{
|
2015-05-04 23:05:29 +08:00
|
|
|
UserDefTwo *udp = NULL;
|
2014-05-02 19:26:29 +08:00
|
|
|
Error *err = NULL;
|
2012-03-22 19:51:10 +08:00
|
|
|
Visitor *v;
|
|
|
|
|
|
|
|
v = validate_test_init(data, "{ 'string0': 'string0', 'dict1': { 'string1': 'string1', 'dict2': { 'userdef1': { 'integer': 42, 'string': 'string', 'extra': [42, 23, {'foo':'bar'}] }, 'string2': 'string2'}}}");
|
|
|
|
|
2015-05-04 23:05:29 +08:00
|
|
|
visit_type_UserDefTwo(v, &udp, NULL, &err);
|
2014-05-02 19:26:29 +08:00
|
|
|
g_assert(err);
|
2015-05-04 23:05:29 +08:00
|
|
|
qapi_free_UserDefTwo(udp);
|
2012-03-22 19:51:10 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static void test_validate_fail_list(TestInputVisitorData *data,
|
|
|
|
const void *unused)
|
|
|
|
{
|
|
|
|
UserDefOneList *head = NULL;
|
2014-05-02 19:26:29 +08:00
|
|
|
Error *err = NULL;
|
2012-03-22 19:51:10 +08:00
|
|
|
Visitor *v;
|
|
|
|
|
|
|
|
v = validate_test_init(data, "[ { 'string': 'string0', 'integer': 42 }, { 'string': 'string1', 'integer': 43 }, { 'string': 'string2', 'integer': 44, 'extra': 'ggg' } ]");
|
|
|
|
|
2014-05-02 19:26:29 +08:00
|
|
|
visit_type_UserDefOneList(v, &head, NULL, &err);
|
|
|
|
g_assert(err);
|
2012-03-22 19:51:10 +08:00
|
|
|
qapi_free_UserDefOneList(head);
|
|
|
|
}
|
|
|
|
|
2015-05-04 23:05:06 +08:00
|
|
|
static void test_validate_fail_union_native_list(TestInputVisitorData *data,
|
|
|
|
const void *unused)
|
2012-03-22 19:51:10 +08:00
|
|
|
{
|
2015-05-04 23:05:06 +08:00
|
|
|
UserDefNativeListUnion *tmp = NULL;
|
2014-05-02 19:26:29 +08:00
|
|
|
Error *err = NULL;
|
2012-03-22 19:51:10 +08:00
|
|
|
Visitor *v;
|
|
|
|
|
2015-05-04 23:05:06 +08:00
|
|
|
v = validate_test_init(data,
|
|
|
|
"{ 'type': 'integer', 'data' : [ 'string' ] }");
|
2012-03-22 19:51:10 +08:00
|
|
|
|
2015-05-04 23:05:06 +08:00
|
|
|
visit_type_UserDefNativeListUnion(v, &tmp, NULL, &err);
|
2014-05-02 19:26:29 +08:00
|
|
|
g_assert(err);
|
2015-05-04 23:05:06 +08:00
|
|
|
qapi_free_UserDefNativeListUnion(tmp);
|
2012-03-22 19:51:10 +08:00
|
|
|
}
|
|
|
|
|
2014-03-01 15:40:33 +08:00
|
|
|
static void test_validate_fail_union_flat(TestInputVisitorData *data,
|
|
|
|
const void *unused)
|
|
|
|
{
|
|
|
|
UserDefFlatUnion *tmp = NULL;
|
2014-05-02 19:26:29 +08:00
|
|
|
Error *err = NULL;
|
2014-03-01 15:40:33 +08:00
|
|
|
Visitor *v;
|
|
|
|
|
|
|
|
v = validate_test_init(data, "{ 'string': 'c', 'integer': 41, 'boolean': true }");
|
|
|
|
|
2014-05-02 19:26:29 +08:00
|
|
|
visit_type_UserDefFlatUnion(v, &tmp, NULL, &err);
|
|
|
|
g_assert(err);
|
2014-03-01 15:40:33 +08:00
|
|
|
qapi_free_UserDefFlatUnion(tmp);
|
|
|
|
}
|
|
|
|
|
2014-09-19 04:36:42 +08:00
|
|
|
static void test_validate_fail_union_flat_no_discrim(TestInputVisitorData *data,
|
|
|
|
const void *unused)
|
|
|
|
{
|
|
|
|
UserDefFlatUnion2 *tmp = NULL;
|
|
|
|
Error *err = NULL;
|
|
|
|
Visitor *v;
|
|
|
|
|
|
|
|
/* test situation where discriminator field ('enum1' here) is missing */
|
qapi-visit: Convert to QAPISchemaVisitor, fixing bugs
Fixes flat unions to visit the base's base members (the previous
commit merely added them to the struct). Same test case.
Patch's effect on visit_type_UserDefFlatUnion():
static void visit_type_UserDefFlatUnion_fields(Visitor *m, UserDefFlatUnion **obj, Error **errp)
{
Error *err = NULL;
+ visit_type_int(m, &(*obj)->integer, "integer", &err);
+ if (err) {
+ goto out;
+ }
visit_type_str(m, &(*obj)->string, "string", &err);
if (err) {
goto out;
Test cases updated for the bug fix.
Fixes alternates to generate a visitor for their implicit enumeration
type. None of them are currently used, obviously. Example:
block-core.json's BlockdevRef now generates
visit_type_BlockdevRefKind().
Code is generated in a different order now, and therefore has got a
few new forward declarations. Doesn't matter.
The guard QAPI_VISIT_BUILTIN_VISITOR_DECL is renamed to
QAPI_VISIT_BUILTIN.
The previous commit's two ugly special cases exist here, too. Mark
both TODO.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2015-09-16 19:06:10 +08:00
|
|
|
v = validate_test_init(data, "{ 'integer': 42, 'string': 'c', 'string1': 'd', 'string2': 'e' }");
|
2014-09-19 04:36:42 +08:00
|
|
|
|
|
|
|
visit_type_UserDefFlatUnion2(v, &tmp, NULL, &err);
|
|
|
|
g_assert(err);
|
|
|
|
qapi_free_UserDefFlatUnion2(tmp);
|
|
|
|
}
|
|
|
|
|
2015-05-04 23:05:11 +08:00
|
|
|
static void test_validate_fail_alternate(TestInputVisitorData *data,
|
|
|
|
const void *unused)
|
2014-03-01 15:40:30 +08:00
|
|
|
{
|
2015-05-04 23:05:11 +08:00
|
|
|
UserDefAlternate *tmp = NULL;
|
2014-03-01 15:40:30 +08:00
|
|
|
Visitor *v;
|
2014-05-02 19:26:29 +08:00
|
|
|
Error *err = NULL;
|
2014-03-01 15:40:30 +08:00
|
|
|
|
|
|
|
v = validate_test_init(data, "3.14");
|
|
|
|
|
2015-05-04 23:05:11 +08:00
|
|
|
visit_type_UserDefAlternate(v, &tmp, NULL, &err);
|
2014-05-02 19:26:29 +08:00
|
|
|
g_assert(err);
|
2015-05-04 23:05:11 +08:00
|
|
|
qapi_free_UserDefAlternate(tmp);
|
2014-03-01 15:40:30 +08:00
|
|
|
}
|
|
|
|
|
qapi: New QMP command query-qmp-schema for QMP introspection
qapi/introspect.json defines the introspection schema. It's designed
for QMP introspection, but should do for similar uses, such as QGA.
The introspection schema does not reflect all the rules and
restrictions that apply to QAPI schemata. A valid QAPI schema has an
introspection value conforming to the introspection schema, but the
converse is not true.
Introspection lowers away a number of schema details, and makes
implicit things explicit:
* The built-in types are declared with their JSON type.
All integer types are mapped to 'int', because how many bits we use
internally is an implementation detail. It could be pressed into
external interface service as very approximate range information,
but that's a bad idea. If we need range information, we better do
it properly.
* Implicit type definitions are made explicit, and given
auto-generated names:
- Array types, named by appending "List" to the name of their
element type, like in generated C.
- The enumeration types implicitly defined by simple union types,
named by appending "Kind" to the name of their simple union type,
like in generated C.
- Types that don't occur in generated C. Their names start with ':'
so they don't clash with the user's names.
* All type references are by name.
* The struct and union types are generalized into an object type.
* Base types are flattened.
* Commands take a single argument and return a single result.
Dictionary argument or list result is an implicit type definition.
The empty object type is used when a command takes no arguments or
produces no results.
The argument is always of object type, but the introspection schema
doesn't reflect that.
The 'gen': false directive is omitted as implementation detail.
The 'success-response' directive is omitted as well for now, even
though it's not an implementation detail, because it's not used by
QMP.
* Events carry a single data value.
Implicit type definition and empty object type use, just like for
commands.
The value is of object type, but the introspection schema doesn't
reflect that.
* Types not used by commands or events are omitted.
Indirect use counts as use.
* Optional members have a default, which can only be null right now
Instead of a mandatory "optional" flag, we have an optional default.
No default means mandatory, default null means optional without
default value. Non-null is available for optional with default
(possible future extension).
* Clients should *not* look up types by name, because type names are
not ABI. Look up the command or event you're interested in, then
follow the references.
TODO Should we hide the type names to eliminate the temptation?
New generator scripts/qapi-introspect.py computes an introspection
value for its input, and generates a C variable holding it.
It can generate awfully long lines. Marked TODO.
A new test-qmp-input-visitor test case feeds its result for both
tests/qapi-schema/qapi-schema-test.json and qapi-schema.json to a
QmpInputVisitor to verify it actually conforms to the schema.
New QMP command query-qmp-schema takes its return value from that
variable. Its reply is some 85KiBytes for me right now.
If this turns out to be too much, we have a couple of options:
* We can use shorter names in the JSON. Not the QMP style.
* Optionally return the sub-schema for commands and events given as
arguments.
Right now qmp_query_schema() sends the string literal computed by
qmp-introspect.py. To compute sub-schema at run time, we'd have to
duplicate parts of qapi-introspect.py in C. Unattractive.
* Let clients cache the output of query-qmp-schema.
It changes only on QEMU upgrades, i.e. rarely. Provide a command
query-qmp-schema-hash. Clients can have a cache indexed by hash,
and re-query the schema only when they don't have it cached. Even
simpler: put the hash in the QMP greeting.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2015-09-16 19:06:28 +08:00
|
|
|
static void do_test_validate_qmp_introspect(TestInputVisitorData *data,
|
|
|
|
const char *schema_json)
|
|
|
|
{
|
|
|
|
SchemaInfoList *schema = NULL;
|
|
|
|
Error *err = NULL;
|
|
|
|
Visitor *v;
|
|
|
|
|
|
|
|
v = validate_test_init_raw(data, schema_json);
|
|
|
|
|
|
|
|
visit_type_SchemaInfoList(v, &schema, NULL, &err);
|
|
|
|
if (err) {
|
|
|
|
fprintf(stderr, "%s", error_get_pretty(err));
|
|
|
|
}
|
|
|
|
g_assert(!err);
|
|
|
|
g_assert(schema);
|
|
|
|
|
|
|
|
qapi_free_SchemaInfoList(schema);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void test_validate_qmp_introspect(TestInputVisitorData *data,
|
|
|
|
const void *unused)
|
|
|
|
{
|
|
|
|
do_test_validate_qmp_introspect(data, test_qmp_schema_json);
|
|
|
|
do_test_validate_qmp_introspect(data, qmp_schema_json);
|
|
|
|
}
|
|
|
|
|
2012-03-22 19:51:10 +08:00
|
|
|
static void validate_test_add(const char *testpath,
|
|
|
|
TestInputVisitorData *data,
|
|
|
|
void (*test_func)(TestInputVisitorData *data, const void *user_data))
|
|
|
|
{
|
|
|
|
g_test_add(testpath, TestInputVisitorData, data, NULL, test_func,
|
|
|
|
validate_teardown);
|
|
|
|
}
|
|
|
|
|
|
|
|
int main(int argc, char **argv)
|
|
|
|
{
|
|
|
|
TestInputVisitorData testdata;
|
|
|
|
|
|
|
|
g_test_init(&argc, &argv, NULL);
|
|
|
|
|
|
|
|
validate_test_add("/visitor/input-strict/pass/struct",
|
2015-05-04 23:05:06 +08:00
|
|
|
&testdata, test_validate_struct);
|
2012-03-22 19:51:10 +08:00
|
|
|
validate_test_add("/visitor/input-strict/pass/struct-nested",
|
2015-05-04 23:05:06 +08:00
|
|
|
&testdata, test_validate_struct_nested);
|
2012-03-22 19:51:10 +08:00
|
|
|
validate_test_add("/visitor/input-strict/pass/list",
|
2015-05-04 23:05:06 +08:00
|
|
|
&testdata, test_validate_list);
|
2014-03-01 15:40:33 +08:00
|
|
|
validate_test_add("/visitor/input-strict/pass/union-flat",
|
2015-05-04 23:05:06 +08:00
|
|
|
&testdata, test_validate_union_flat);
|
2015-05-04 23:05:11 +08:00
|
|
|
validate_test_add("/visitor/input-strict/pass/alternate",
|
|
|
|
&testdata, test_validate_alternate);
|
2015-05-04 23:05:06 +08:00
|
|
|
validate_test_add("/visitor/input-strict/pass/union-native-list",
|
|
|
|
&testdata, test_validate_union_native_list);
|
2012-03-22 19:51:10 +08:00
|
|
|
validate_test_add("/visitor/input-strict/fail/struct",
|
2015-05-04 23:05:06 +08:00
|
|
|
&testdata, test_validate_fail_struct);
|
2012-03-22 19:51:10 +08:00
|
|
|
validate_test_add("/visitor/input-strict/fail/struct-nested",
|
2015-05-04 23:05:06 +08:00
|
|
|
&testdata, test_validate_fail_struct_nested);
|
2012-03-22 19:51:10 +08:00
|
|
|
validate_test_add("/visitor/input-strict/fail/list",
|
2015-05-04 23:05:06 +08:00
|
|
|
&testdata, test_validate_fail_list);
|
2014-03-01 15:40:33 +08:00
|
|
|
validate_test_add("/visitor/input-strict/fail/union-flat",
|
2015-05-04 23:05:06 +08:00
|
|
|
&testdata, test_validate_fail_union_flat);
|
2014-09-19 04:36:42 +08:00
|
|
|
validate_test_add("/visitor/input-strict/fail/union-flat-no-discriminator",
|
2015-05-04 23:05:06 +08:00
|
|
|
&testdata, test_validate_fail_union_flat_no_discrim);
|
2015-05-04 23:05:11 +08:00
|
|
|
validate_test_add("/visitor/input-strict/fail/alternate",
|
|
|
|
&testdata, test_validate_fail_alternate);
|
2015-05-04 23:05:06 +08:00
|
|
|
validate_test_add("/visitor/input-strict/fail/union-native-list",
|
|
|
|
&testdata, test_validate_fail_union_native_list);
|
qapi: New QMP command query-qmp-schema for QMP introspection
qapi/introspect.json defines the introspection schema. It's designed
for QMP introspection, but should do for similar uses, such as QGA.
The introspection schema does not reflect all the rules and
restrictions that apply to QAPI schemata. A valid QAPI schema has an
introspection value conforming to the introspection schema, but the
converse is not true.
Introspection lowers away a number of schema details, and makes
implicit things explicit:
* The built-in types are declared with their JSON type.
All integer types are mapped to 'int', because how many bits we use
internally is an implementation detail. It could be pressed into
external interface service as very approximate range information,
but that's a bad idea. If we need range information, we better do
it properly.
* Implicit type definitions are made explicit, and given
auto-generated names:
- Array types, named by appending "List" to the name of their
element type, like in generated C.
- The enumeration types implicitly defined by simple union types,
named by appending "Kind" to the name of their simple union type,
like in generated C.
- Types that don't occur in generated C. Their names start with ':'
so they don't clash with the user's names.
* All type references are by name.
* The struct and union types are generalized into an object type.
* Base types are flattened.
* Commands take a single argument and return a single result.
Dictionary argument or list result is an implicit type definition.
The empty object type is used when a command takes no arguments or
produces no results.
The argument is always of object type, but the introspection schema
doesn't reflect that.
The 'gen': false directive is omitted as implementation detail.
The 'success-response' directive is omitted as well for now, even
though it's not an implementation detail, because it's not used by
QMP.
* Events carry a single data value.
Implicit type definition and empty object type use, just like for
commands.
The value is of object type, but the introspection schema doesn't
reflect that.
* Types not used by commands or events are omitted.
Indirect use counts as use.
* Optional members have a default, which can only be null right now
Instead of a mandatory "optional" flag, we have an optional default.
No default means mandatory, default null means optional without
default value. Non-null is available for optional with default
(possible future extension).
* Clients should *not* look up types by name, because type names are
not ABI. Look up the command or event you're interested in, then
follow the references.
TODO Should we hide the type names to eliminate the temptation?
New generator scripts/qapi-introspect.py computes an introspection
value for its input, and generates a C variable holding it.
It can generate awfully long lines. Marked TODO.
A new test-qmp-input-visitor test case feeds its result for both
tests/qapi-schema/qapi-schema-test.json and qapi-schema.json to a
QmpInputVisitor to verify it actually conforms to the schema.
New QMP command query-qmp-schema takes its return value from that
variable. Its reply is some 85KiBytes for me right now.
If this turns out to be too much, we have a couple of options:
* We can use shorter names in the JSON. Not the QMP style.
* Optionally return the sub-schema for commands and events given as
arguments.
Right now qmp_query_schema() sends the string literal computed by
qmp-introspect.py. To compute sub-schema at run time, we'd have to
duplicate parts of qapi-introspect.py in C. Unattractive.
* Let clients cache the output of query-qmp-schema.
It changes only on QEMU upgrades, i.e. rarely. Provide a command
query-qmp-schema-hash. Clients can have a cache indexed by hash,
and re-query the schema only when they don't have it cached. Even
simpler: put the hash in the QMP greeting.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2015-09-16 19:06:28 +08:00
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validate_test_add("/visitor/input-strict/pass/qmp-introspect",
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&testdata, test_validate_qmp_introspect);
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2012-03-22 19:51:10 +08:00
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g_test_run();
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return 0;
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}
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