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libvirt/tests/testutilsqemuschema.c

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/*
* testutilsqemuschema.c: helper functions for QEMU QAPI schema testing
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "testutils.h"
#include "testutilsqemu.h"
#include "testutilsqemuschema.h"
#include "qemu/qemu_qapi.h"
struct testQEMUSchemaValidateCtxt {
GHashTable *schema;
virBuffer *debug;
bool allowDeprecated;
bool allowIncomplete; /* allow members not (yet) covered by the schema */
};
static int
testQEMUSchemaValidateDeprecated(virJSONValue *root,
const char *name,
struct testQEMUSchemaValidateCtxt *ctxt)
{
virJSONValue *features = virJSONValueObjectGetArray(root, "features");
size_t nfeatures;
size_t i;
if (!features)
return 0;
nfeatures = virJSONValueArraySize(features);
for (i = 0; i < nfeatures; i++) {
virJSONValue *cur = virJSONValueArrayGet(features, i);
const char *curstr;
if (!cur ||
!(curstr = virJSONValueGetString(cur))) {
virBufferAsprintf(ctxt->debug, "ERROR: features of '%s' are malformed", name);
return -2;
}
if (STREQ(curstr, "deprecated")) {
if (ctxt->allowDeprecated) {
virBufferAsprintf(ctxt->debug, "WARNING: '%s' is deprecated", name);
if (virTestGetVerbose())
g_fprintf(stderr, "\nWARNING: '%s' is deprecated\n", name);
return 0;
} else {
virBufferAsprintf(ctxt->debug, "ERROR: '%s' is deprecated", name);
return -1;
}
}
}
return 0;
}
static int
testQEMUSchemaValidateRecurse(virJSONValue *obj,
virJSONValue *root,
struct testQEMUSchemaValidateCtxt *ctxt);
static int
testQEMUSchemaValidateBuiltin(virJSONValue *obj,
virJSONValue *root,
struct testQEMUSchemaValidateCtxt *ctxt)
{
const char *t = virJSONValueObjectGetString(root, "json-type");
const char *s = NULL;
bool b = false;
int ret = -1;
if (STREQ_NULLABLE(t, "value")) {
s = "{any}";
ret = 0;
goto cleanup;
}
switch (virJSONValueGetType(obj)) {
case VIR_JSON_TYPE_STRING:
if (STRNEQ_NULLABLE(t, "string"))
goto cleanup;
s = virJSONValueGetString(obj);
break;
case VIR_JSON_TYPE_NUMBER:
if (STRNEQ_NULLABLE(t, "int") &&
STRNEQ_NULLABLE(t, "number"))
goto cleanup;
s = "{number}";
break;
case VIR_JSON_TYPE_BOOLEAN:
if (STRNEQ_NULLABLE(t, "boolean"))
goto cleanup;
virJSONValueGetBoolean(obj, &b);
if (b)
s = "true";
else
s = "false";
break;
case VIR_JSON_TYPE_NULL:
if (STRNEQ_NULLABLE(t, "null"))
goto cleanup;
break;
case VIR_JSON_TYPE_OBJECT:
case VIR_JSON_TYPE_ARRAY:
goto cleanup;
}
ret = 0;
cleanup:
if (ret == 0)
virBufferAsprintf(ctxt->debug, "'%s': OK", s);
else
virBufferAsprintf(ctxt->debug, "ERROR: expected type '%s', actual type %d",
t, virJSONValueGetType(obj));
return ret;
}
struct testQEMUSchemaValidateObjectMemberData {
virJSONValue *rootmembers;
struct testQEMUSchemaValidateCtxt *ctxt;
bool missingMandatory;
};
static virJSONValue *
testQEMUSchemaStealObjectMemberByName(const char *name,
virJSONValue *members)
{
virJSONValue *member;
virJSONValue *ret = NULL;
size_t i;
for (i = 0; i < virJSONValueArraySize(members); i++) {
member = virJSONValueArrayGet(members, i);
if (STREQ_NULLABLE(name, virJSONValueObjectGetString(member, "name"))) {
ret = virJSONValueArraySteal(members, i);
break;
}
}
return ret;
}
static int
testQEMUSchemaValidateObjectMember(const char *key,
virJSONValue *value,
void *opaque)
{
struct testQEMUSchemaValidateObjectMemberData *data = opaque;
g_autoptr(virJSONValue) keymember = NULL;
const char *keytype;
virJSONValue *keyschema = NULL;
int rc;
virBufferStrcat(data->ctxt->debug, key, ": ", NULL);
/* lookup 'member' entry for key */
if (!(keymember = testQEMUSchemaStealObjectMemberByName(key, data->rootmembers))) {
if (data->ctxt->allowIncomplete) {
virBufferAddLit(data->ctxt->debug, " schema missing - OK(waived)\n");
return 0;
}
virBufferAddLit(data->ctxt->debug, "ERROR: attribute not in schema\n");
return -1;
}
/* lookup schema entry for keytype */
if (!(keytype = virJSONValueObjectGetString(keymember, "type")) ||
!(keyschema = virHashLookup(data->ctxt->schema, keytype))) {
virBufferAsprintf(data->ctxt->debug, "ERROR: can't find schema for type '%s'\n",
NULLSTR(keytype));
return -2;
}
/* recurse */
rc = testQEMUSchemaValidateRecurse(value, keyschema, data->ctxt);
virBufferAddLit(data->ctxt->debug, "\n");
return rc;
}
static int
testQEMUSchemaValidateObjectMergeVariantMember(size_t pos G_GNUC_UNUSED,
virJSONValue *item,
void *opaque)
{
virJSONValue *array = opaque;
g_autoptr(virJSONValue) copy = NULL;
if (!(copy = virJSONValueCopy(item)))
return -1;
if (virJSONValueArrayAppend(array, &copy) < 0)
return -1;
return 1;
}
/**
* testQEMUSchemaValidateObjectMergeVariant:
*
* Merges schema of variant @variantname in @root into @root and removes the
* 'variants' array from @root.
*/
static int
testQEMUSchemaValidateObjectMergeVariant(virJSONValue *root,
const char *variantfield,
const char *variantname,
struct testQEMUSchemaValidateCtxt *ctxt)
{
size_t i;
g_autoptr(virJSONValue) variants = NULL;
virJSONValue *variant;
virJSONValue *variantschema;
virJSONValue *variantschemamembers;
virJSONValue *rootmembers;
const char *varianttype = NULL;
if (!(variants = virJSONValueObjectStealArray(root, "variants"))) {
virBufferAddLit(ctxt->debug, "ERROR: missing 'variants' in schema\n");
return -2;
}
for (i = 0; i < virJSONValueArraySize(variants); i++) {
variant = virJSONValueArrayGet(variants, i);
if (STREQ_NULLABLE(variantname,
virJSONValueObjectGetString(variant, "case"))) {
varianttype = virJSONValueObjectGetString(variant, "type");
break;
}
}
if (!varianttype) {
virBufferAsprintf(ctxt->debug, "ERROR: variant '%s' for discriminator '%s' not found\n",
variantname, variantfield);
return -1;
}
if (!(variantschema = virHashLookup(ctxt->schema, varianttype)) ||
!(variantschemamembers = virJSONValueObjectGetArray(variantschema, "members"))) {
virBufferAsprintf(ctxt->debug,
"ERROR: missing schema or schema members for variant '%s'(%s)\n",
variantname, varianttype);
return -2;
}
rootmembers = virJSONValueObjectGetArray(root, "members");
if (virJSONValueArrayForeachSteal(variantschemamembers,
testQEMUSchemaValidateObjectMergeVariantMember,
rootmembers) < 0) {
return -2;
}
return 0;
}
static int
testQEMUSchemaValidateObjectMandatoryMember(size_t pos G_GNUC_UNUSED,
virJSONValue *item,
void *opaque G_GNUC_UNUSED)
{
struct testQEMUSchemaValidateObjectMemberData *data = opaque;
if (!virJSONValueObjectHasKey(item, "default")) {
virBufferAsprintf(data->ctxt->debug, "ERROR: missing mandatory attribute '%s'\n",
NULLSTR(virJSONValueObjectGetString(item, "name")));
data->missingMandatory = true;
}
return 1;
}
static int
testQEMUSchemaValidateObject(virJSONValue *obj,
virJSONValue *root,
struct testQEMUSchemaValidateCtxt *ctxt)
{
struct testQEMUSchemaValidateObjectMemberData data = { NULL, ctxt, false };
g_autoptr(virJSONValue) localroot = NULL;
const char *variantfield;
const char *variantname;
if (virJSONValueGetType(obj) != VIR_JSON_TYPE_OBJECT) {
virBufferAddLit(ctxt->debug, "ERROR: not an object");
return -1;
}
virBufferAddLit(ctxt->debug, "{\n");
virBufferAdjustIndent(ctxt->debug, 3);
/* copy schema */
if (!(localroot = virJSONValueCopy(root)))
return -2;
/* remove variant */
if ((variantfield = virJSONValueObjectGetString(localroot, "tag"))) {
if (!(variantname = virJSONValueObjectGetString(obj, variantfield))) {
virBufferAsprintf(ctxt->debug, "ERROR: missing variant discriminator attribute '%s'\n",
variantfield);
return -1;
}
if (testQEMUSchemaValidateObjectMergeVariant(localroot, variantfield,
variantname, ctxt) < 0)
return -1;
}
/* validate members */
data.rootmembers = virJSONValueObjectGetArray(localroot, "members");
if (virJSONValueObjectForeachKeyValue(obj,
testQEMUSchemaValidateObjectMember,
&data) < 0)
return -1;
/* check missing mandatory values */
if (virJSONValueArrayForeachSteal(data.rootmembers,
testQEMUSchemaValidateObjectMandatoryMember,
&data) < 0) {
return -2;
}
if (data.missingMandatory)
return -1;
virBufferAdjustIndent(ctxt->debug, -3);
virBufferAddLit(ctxt->debug, "} OK");
return 0;
}
static int
testQEMUSchemaValidateEnum(virJSONValue *obj,
virJSONValue *root,
struct testQEMUSchemaValidateCtxt *ctxt)
{
const char *objstr;
virJSONValue *values = NULL;
virJSONValue *members = NULL;
size_t i;
if (virJSONValueGetType(obj) != VIR_JSON_TYPE_STRING) {
virBufferAddLit(ctxt->debug, "ERROR: not a string");
return -1;
}
objstr = virJSONValueGetString(obj);
/* qemu-6.2 added a "members" array superseding "values" */
if ((members = virJSONValueObjectGetArray(root, "members"))) {
for (i = 0; i < virJSONValueArraySize(members); i++) {
virJSONValue *member = virJSONValueArrayGet(members, i);
if (STREQ_NULLABLE(objstr, virJSONValueObjectGetString(member, "name"))) {
int rc;
/* the new 'members' array allows us to check deprecations */
if ((rc = testQEMUSchemaValidateDeprecated(member, objstr, ctxt)) < 0)
return rc;
virBufferAsprintf(ctxt->debug, "'%s' OK", NULLSTR(objstr));
return 0;
}
}
virBufferAsprintf(ctxt->debug, "ERROR: enum value '%s' is not in schema",
NULLSTR(objstr));
return -1;
}
if ((values = virJSONValueObjectGetArray(root, "values"))) {
for (i = 0; i < virJSONValueArraySize(values); i++) {
virJSONValue *value = virJSONValueArrayGet(values, i);
if (STREQ_NULLABLE(objstr, virJSONValueGetString(value))) {
virBufferAsprintf(ctxt->debug, "'%s' OK", NULLSTR(objstr));
return 0;
}
}
virBufferAsprintf(ctxt->debug, "ERROR: enum value '%s' is not in schema",
NULLSTR(objstr));
return -1;
}
virBufferAsprintf(ctxt->debug, "ERROR: missing enum values in schema '%s'",
NULLSTR(virJSONValueObjectGetString(root, "name")));
return -2;
}
static int
testQEMUSchemaValidateArray(virJSONValue *objs,
virJSONValue *root,
struct testQEMUSchemaValidateCtxt *ctxt)
{
const char *elemtypename = virJSONValueObjectGetString(root, "element-type");
virJSONValue *elementschema;
virJSONValue *obj;
size_t i;
if (virJSONValueGetType(objs) != VIR_JSON_TYPE_ARRAY) {
virBufferAddLit(ctxt->debug, "ERROR: not an array\n");
return -1;
}
if (!elemtypename ||
!(elementschema = virHashLookup(ctxt->schema, elemtypename))) {
virBufferAsprintf(ctxt->debug, "ERROR: missing schema for array element type '%s'",
NULLSTR(elemtypename));
return -2;
}
virBufferAddLit(ctxt->debug, "[\n");
virBufferAdjustIndent(ctxt->debug, 3);
for (i = 0; i < virJSONValueArraySize(objs); i++) {
obj = virJSONValueArrayGet(objs, i);
if (testQEMUSchemaValidateRecurse(obj, elementschema, ctxt) < 0)
return -1;
virBufferAddLit(ctxt->debug, ",\n");
}
virBufferAddLit(ctxt->debug, "] OK");
virBufferAdjustIndent(ctxt->debug, -3);
return 0;
}
static int
testQEMUSchemaValidateAlternate(virJSONValue *obj,
virJSONValue *root,
struct testQEMUSchemaValidateCtxt *ctxt)
{
virJSONValue *members;
virJSONValue *member;
size_t i;
size_t n;
const char *membertype;
virJSONValue *memberschema;
int indent;
int rc;
if (!(members = virJSONValueObjectGetArray(root, "members"))) {
virBufferAddLit(ctxt->debug, "ERROR: missing 'members' for alternate schema");
return -2;
}
virBufferAddLit(ctxt->debug, "(\n");
virBufferAdjustIndent(ctxt->debug, 3);
indent = virBufferGetIndent(ctxt->debug);
n = virJSONValueArraySize(members);
for (i = 0; i < n; i++) {
membertype = NULL;
/* P != NP */
virBufferAsprintf(ctxt->debug, "(alternate %zu/%zu)\n", i + 1, n);
virBufferAdjustIndent(ctxt->debug, 3);
if (!(member = virJSONValueArrayGet(members, i)) ||
!(membertype = virJSONValueObjectGetString(member, "type")) ||
!(memberschema = virHashLookup(ctxt->schema, membertype))) {
virBufferAsprintf(ctxt->debug, "ERROR: missing schema for alternate type '%s'",
NULLSTR(membertype));
return -2;
}
rc = testQEMUSchemaValidateRecurse(obj, memberschema, ctxt);
virBufferAddLit(ctxt->debug, "\n");
virBufferSetIndent(ctxt->debug, indent);
virBufferAsprintf(ctxt->debug, "(/alternate %zu/%zu)\n", i + 1, n);
if (rc == 0) {
virBufferAdjustIndent(ctxt->debug, -3);
virBufferAddLit(ctxt->debug, ") OK");
return 0;
}
}
virBufferAddLit(ctxt->debug, "ERROR: no alternate type was matched");
return -1;
}
static int
testQEMUSchemaValidateRecurse(virJSONValue *obj,
virJSONValue *root,
struct testQEMUSchemaValidateCtxt *ctxt)
{
const char *n = virJSONValueObjectGetString(root, "name");
const char *t = virJSONValueObjectGetString(root, "meta-type");
int rc;
if ((rc = testQEMUSchemaValidateDeprecated(root, n, ctxt)) < 0)
return rc;
if (STREQ_NULLABLE(t, "builtin")) {
return testQEMUSchemaValidateBuiltin(obj, root, ctxt);
} else if (STREQ_NULLABLE(t, "object")) {
return testQEMUSchemaValidateObject(obj, root, ctxt);
} else if (STREQ_NULLABLE(t, "enum")) {
return testQEMUSchemaValidateEnum(obj, root, ctxt);
} else if (STREQ_NULLABLE(t, "array")) {
return testQEMUSchemaValidateArray(obj, root, ctxt);
} else if (STREQ_NULLABLE(t, "alternate")) {
return testQEMUSchemaValidateAlternate(obj, root, ctxt);
}
virBufferAsprintf(ctxt->debug,
"qapi schema meta-type '%s' of type '%s' not handled\n",
NULLSTR(t), NULLSTR(n));
return -2;
}
/**
* testQEMUSchemaValidate:
* @obj: object to validate
* @root: schema entry to start from
* @schema: hash table containing schema entries
* @debug: a virBuffer which will be filled with debug information if provided
*
* Validates whether @obj conforms to the QAPI schema passed in via @schema,
* starting from the node @root. Returns 0, if @obj matches @schema, -1 if it
* does not and -2 if there is a problem with the schema or with internals.
*
* @debug is filled with information regarding the validation process
*/
int
testQEMUSchemaValidate(virJSONValue *obj,
virJSONValue *root,
GHashTable *schema,
bool allowDeprecated,
virBuffer *debug)
{
struct testQEMUSchemaValidateCtxt ctxt = { .schema = schema,
.debug = debug,
.allowDeprecated = allowDeprecated };
return testQEMUSchemaValidateRecurse(obj, root, &ctxt);
}
/**
* testQEMUSchemaValidateCommand:
* @command: command to validate
* @arguments: arguments of @command to validate
* @schema: hash table containing schema entries
* @allowDeprecated: don't fails schema validation if @command or one of @arguments
* is deprecated
* @allowRemoved: skip validation fully if @command was not found
* @allowIncomplete: don't fail validation if members not covered by schema are present
* (for waiving commands with incomplete schema)
* @debug: a virBuffer which will be filled with debug information if provided
*
* Validates whether @command and its @arguments conform to the QAPI schema
* passed in via @schema. Returns 0, if the command and args match @schema,
* -1 if it does not and -2 if there is a problem with the schema or with
* internals.
*
* @allowRemoved should generally be used only if it's certain that there's a
* replacement of @command in place.
*
* @debug is filled with information regarding the validation process
*/
int
testQEMUSchemaValidateCommand(const char *command,
virJSONValue *arguments,
GHashTable *schema,
bool allowDeprecated,
bool allowRemoved,
bool allowIncomplete,
virBuffer *debug)
{
struct testQEMUSchemaValidateCtxt ctxt = { .schema = schema,
.debug = debug,
.allowDeprecated = allowDeprecated,
.allowIncomplete = allowIncomplete };
g_autofree char *schemapatharguments = g_strdup_printf("%s/arg-type", command);
g_autoptr(virJSONValue) emptyargs = NULL;
virJSONValue *schemarootcommand;
virJSONValue *schemarootarguments;
int rc;
if (virQEMUQAPISchemaPathGet(command, schema, &schemarootcommand) < 0 ||
!schemarootcommand) {
if (allowRemoved)
return 0;
virBufferAsprintf(debug, "ERROR: command '%s' not found in the schema", command);
return -1;
}
if ((rc = testQEMUSchemaValidateDeprecated(schemarootcommand, command, &ctxt)) < 0)
return rc;
if (!arguments)
arguments = emptyargs = virJSONValueNewObject();
if (virQEMUQAPISchemaPathGet(schemapatharguments, schema, &schemarootarguments) < 0 ||
!schemarootarguments) {
virBufferAsprintf(debug, "ERROR: failed to look up 'arg-type' of '%s'", command);
return -1;
}
return testQEMUSchemaValidateRecurse(arguments, schemarootarguments, &ctxt);
}
/**
* testQEMUSchemaEntryMatchTemplate:
*
* @schemaentry: a JSON object representing a 'object' node in the QAPI schema
* ...: a NULL terminated list of strings representing the template of properties
* which the QMP object needs to have.
*
* The strings have following format:
*
* "type:name"
* "?type:name"
*
* "type" corresponds to the 'type' property of the member to check (str, bool, any ...)
* "name" corresponds to the name of the member to check
*
* If the query string starts with an '?' and member 'name' may be missing.
*
* This function matches that @schemaentry has all expected members and the
* members have expected types. @schemaentry also must not have any unknown
* members.
*/
int
testQEMUSchemaEntryMatchTemplate(virJSONValue *schemaentry,
...)
{
g_autoptr(virJSONValue) members = NULL;
va_list ap;
const char *next;
int ret = -1;
if (STRNEQ_NULLABLE(virJSONValueObjectGetString(schemaentry, "meta-type"), "object")) {
VIR_TEST_VERBOSE("schemaentry is not an object");
return -1;
}
if (!(members = virJSONValueCopy(virJSONValueObjectGetArray(schemaentry, "members")))) {
VIR_TEST_VERBOSE("failed to copy 'members'");
return -1;
}
va_start(ap, schemaentry);
/* pass 1 */
while ((next = va_arg(ap, const char *))) {
char modifier = *next;
g_autofree char *type = NULL;
char *name;
size_t i;
bool found = false;
bool optional = false;
if (!g_ascii_isalpha(modifier))
next++;
if (modifier == '?')
optional = true;
type = g_strdup(next);
if ((name = strchr(type, ':'))) {
*(name++) = '\0';
} else {
VIR_TEST_VERBOSE("malformed template string '%s'", next);
goto cleanup;
}
for (i = 0; i < virJSONValueArraySize(members); i++) {
virJSONValue *member = virJSONValueArrayGet(members, i);
const char *membername = virJSONValueObjectGetString(member, "name");
const char *membertype = virJSONValueObjectGetString(member, "type");
if (STRNEQ_NULLABLE(name, membername))
continue;
if (STRNEQ_NULLABLE(membertype, type)) {
VIR_TEST_VERBOSE("member '%s' is of unexpected type '%s' (expected '%s')",
NULLSTR(membername), NULLSTR(membertype), type);
goto cleanup;
}
found = true;
break;
}
if (found) {
virJSONValueFree(virJSONValueArraySteal(members, i));
} else {
if (!optional) {
VIR_TEST_VERBOSE("mandatory member '%s' not found", name);
goto cleanup;
}
}
}
/* pass 2 - check any unexpected members */
if (virJSONValueArraySize(members) > 0) {
size_t i;
for (i = 0; i < virJSONValueArraySize(members); i++) {
VIR_TEST_VERBOSE("unexpected member '%s'",
NULLSTR(virJSONValueObjectGetString(virJSONValueArrayGet(members, i), "name")));
}
goto cleanup;
}
ret = 0;
cleanup:
va_end(ap);
return ret;
}
static virJSONValue *
testQEMUSchemaLoadReplies(const char *filename)
{
g_autofree char *caps = NULL;
char *schemaReply;
char *end;
g_autoptr(virJSONValue) reply = NULL;
virJSONValue *schema = NULL;
if (virTestLoadFile(filename, &caps) < 0)
return NULL;
if (!(schemaReply = strstr(caps, "\"execute\": \"query-qmp-schema\"")) ||
!(schemaReply = strstr(schemaReply, "\n\n")) ||
!(end = strstr(schemaReply + 2, "\n\n"))) {
VIR_TEST_VERBOSE("failed to find reply to 'query-qmp-schema' in '%s'",
filename);
return NULL;
}
schemaReply += 2;
*end = '\0';
if (!(reply = virJSONValueFromString(schemaReply))) {
VIR_TEST_VERBOSE("failed to parse 'query-qmp-schema' reply from '%s'",
filename);
return NULL;
}
if (!(schema = virJSONValueObjectStealArray(reply, "return"))) {
VIR_TEST_VERBOSE("missing qapi schema data in reply in '%s'",
filename);
return NULL;
}
return schema;
}
/**
* testQEMUSchemaGetLatest:
*
* Returns the schema data as the qemu monitor would reply from the latest
* replies file used for qemucapabilitiestest for the x86_64 architecture.
*/
virJSONValue *
testQEMUSchemaGetLatest(const char *arch)
{
g_autofree char *capsLatestFile = NULL;
if (!(capsLatestFile = testQemuGetLatestCapsForArch(arch, "replies"))) {
VIR_TEST_VERBOSE("failed to find latest caps replies");
return NULL;
}
VIR_TEST_DEBUG("replies file: '%s'", capsLatestFile);
return testQEMUSchemaLoadReplies(capsLatestFile);
}
GHashTable *
testQEMUSchemaLoadLatest(const char *arch)
{
virJSONValue *schema;
if (!(schema = testQEMUSchemaGetLatest(arch)))
return NULL;
return virQEMUQAPISchemaConvert(schema);
}
GHashTable *
testQEMUSchemaLoad(const char *filename)
{
virJSONValue *schema;
if (!(schema = testQEMUSchemaLoadReplies(filename)))
return NULL;
return virQEMUQAPISchemaConvert(schema);
}
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