public function testPassesOnTheIntrospectionSchema()
{
$schema = new Schema(Introspection::_schema());
$validationResult = SchemaValidator::validate($schema);
$this->assertSame(true, $validationResult->isValid);
$this->assertSame(null, $validationResult->errors);
}
function testExecutesAnIntrospectionQuery()
{
$emptySchema = new Schema(new ObjectType(['name' => 'QueryRoot', 'fields' => []]));
$request = Introspection::getIntrospectionQuery(false);
$expected = array('data' => array('__schema' => array('mutationType' => NULL, 'queryType' => array('name' => 'QueryRoot'), 'types' => array(0 => array('kind' => 'OBJECT', 'name' => 'QueryRoot', 'inputFields' => NULL, 'interfaces' => array(), 'enumValues' => NULL, 'possibleTypes' => NULL, 'fields' => []), 1 => array('kind' => 'OBJECT', 'name' => '__Schema', 'fields' => array(0 => array('name' => 'types', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'LIST', 'name' => NULL, 'ofType' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'OBJECT', 'name' => '__Type')))), 'isDeprecated' => false, 'deprecationReason' => NULL), 1 => array('name' => 'queryType', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'OBJECT', 'name' => '__Type', 'ofType' => NULL)), 'isDeprecated' => false, 'deprecationReason' => NULL), 2 => array('name' => 'mutationType', 'args' => array(), 'type' => array('kind' => 'OBJECT', 'name' => '__Type', 'ofType' => NULL), 'isDeprecated' => false, 'deprecationReason' => NULL), 3 => array('name' => 'subscriptionType', 'args' => array(), 'type' => array('kind' => 'OBJECT', 'name' => '__Type', 'ofType' => NULL), 'isDeprecated' => false, 'deprecationReason' => NULL), 4 => array('name' => 'directives', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'LIST', 'name' => NULL, 'ofType' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'OBJECT', 'name' => '__Directive')))), 'isDeprecated' => false, 'deprecationReason' => NULL)), 'inputFields' => NULL, 'interfaces' => array(), 'enumValues' => NULL, 'possibleTypes' => NULL), 2 => array('kind' => 'OBJECT', 'name' => '__Type', 'fields' => array(0 => array('name' => 'kind', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'ENUM', 'name' => '__TypeKind', 'ofType' => NULL)), 'isDeprecated' => false, 'deprecationReason' => NULL), 1 => array('name' => 'name', 'args' => array(), 'type' => array('kind' => 'SCALAR', 'name' => 'String', 'ofType' => NULL), 'isDeprecated' => false, 'deprecationReason' => NULL), 2 => array('name' => 'description', 'args' => array(), 'type' => array('kind' => 'SCALAR', 'name' => 'String', 'ofType' => NULL), 'isDeprecated' => false, 'deprecationReason' => NULL), 3 => array('name' => 'fields', 'args' => array(0 => array('name' => 'includeDeprecated', 'type' => array('kind' => 'SCALAR', 'name' => 'Boolean', 'ofType' => NULL), 'defaultValue' => 'false')), 'type' => array('kind' => 'LIST', 'name' => NULL, 'ofType' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'OBJECT', 'name' => '__Field', 'ofType' => NULL))), 'isDeprecated' => false, 'deprecationReason' => NULL), 4 => array('name' => 'interfaces', 'args' => array(), 'type' => array('kind' => 'LIST', 'name' => NULL, 'ofType' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'OBJECT', 'name' => '__Type', 'ofType' => NULL))), 'isDeprecated' => false, 'deprecationReason' => NULL), 5 => array('name' => 'possibleTypes', 'args' => array(), 'type' => array('kind' => 'LIST', 'name' => NULL, 'ofType' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'OBJECT', 'name' => '__Type', 'ofType' => NULL))), 'isDeprecated' => false, 'deprecationReason' => NULL), 6 => array('name' => 'enumValues', 'args' => array(0 => array('name' => 'includeDeprecated', 'type' => array('kind' => 'SCALAR', 'name' => 'Boolean', 'ofType' => NULL), 'defaultValue' => 'false')), 'type' => array('kind' => 'LIST', 'name' => NULL, 'ofType' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'OBJECT', 'name' => '__EnumValue', 'ofType' => NULL))), 'isDeprecated' => false, 'deprecationReason' => NULL), 7 => array('name' => 'inputFields', 'args' => array(), 'type' => array('kind' => 'LIST', 'name' => NULL, 'ofType' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'OBJECT', 'name' => '__InputValue', 'ofType' => NULL))), 'isDeprecated' => false, 'deprecationReason' => NULL), 8 => array('name' => 'ofType', 'args' => array(), 'type' => array('kind' => 'OBJECT', 'name' => '__Type', 'ofType' => NULL), 'isDeprecated' => false, 'deprecationReason' => NULL)), 'inputFields' => NULL, 'interfaces' => array(), 'enumValues' => NULL, 'possibleTypes' => NULL), 3 => array('kind' => 'ENUM', 'name' => '__TypeKind', 'fields' => NULL, 'inputFields' => NULL, 'interfaces' => NULL, 'enumValues' => array(0 => array('name' => 'SCALAR', 'isDeprecated' => false, 'deprecationReason' => NULL), 1 => array('name' => 'OBJECT', 'isDeprecated' => false, 'deprecationReason' => NULL), 2 => array('name' => 'INTERFACE', 'isDeprecated' => false, 'deprecationReason' => NULL), 3 => array('name' => 'UNION', 'isDeprecated' => false, 'deprecationReason' => NULL), 4 => array('name' => 'ENUM', 'isDeprecated' => false, 'deprecationReason' => NULL), 5 => array('name' => 'INPUT_OBJECT', 'isDeprecated' => false, 'deprecationReason' => NULL), 6 => array('name' => 'LIST', 'isDeprecated' => false, 'deprecationReason' => NULL), 7 => array('name' => 'NON_NULL', 'isDeprecated' => false, 'deprecationReason' => NULL)), 'possibleTypes' => NULL), 4 => array('kind' => 'SCALAR', 'name' => 'String', 'fields' => NULL, 'inputFields' => NULL, 'interfaces' => NULL, 'enumValues' => NULL, 'possibleTypes' => NULL), 5 => array('kind' => 'SCALAR', 'name' => 'Boolean', 'fields' => NULL, 'inputFields' => NULL, 'interfaces' => NULL, 'enumValues' => NULL, 'possibleTypes' => NULL), 6 => array('kind' => 'OBJECT', 'name' => '__Field', 'fields' => array(0 => array('name' => 'name', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'SCALAR', 'name' => 'String', 'ofType' => NULL)), 'isDeprecated' => false, 'deprecationReason' => NULL), 1 => array('name' => 'description', 'args' => array(), 'type' => array('kind' => 'SCALAR', 'name' => 'String', 'ofType' => NULL), 'isDeprecated' => false, 'deprecationReason' => NULL), 2 => array('name' => 'args', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'LIST', 'name' => NULL, 'ofType' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'OBJECT', 'name' => '__InputValue')))), 'isDeprecated' => false, 'deprecationReason' => NULL), 3 => array('name' => 'type', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'OBJECT', 'name' => '__Type', 'ofType' => NULL)), 'isDeprecated' => false, 'deprecationReason' => NULL), 4 => array('name' => 'isDeprecated', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'SCALAR', 'name' => 'Boolean', 'ofType' => NULL)), 'isDeprecated' => false, 'deprecationReason' => NULL), 5 => array('name' => 'deprecationReason', 'args' => array(), 'type' => array('kind' => 'SCALAR', 'name' => 'String', 'ofType' => NULL), 'isDeprecated' => false, 'deprecationReason' => NULL)), 'inputFields' => NULL, 'interfaces' => array(), 'enumValues' => NULL, 'possibleTypes' => NULL), 7 => array('kind' => 'OBJECT', 'name' => '__InputValue', 'fields' => array(0 => array('name' => 'name', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'SCALAR', 'name' => 'String', 'ofType' => NULL)), 'isDeprecated' => false, 'deprecationReason' => NULL), 1 => array('name' => 'description', 'args' => array(), 'type' => array('kind' => 'SCALAR', 'name' => 'String', 'ofType' => NULL), 'isDeprecated' => false, 'deprecationReason' => NULL), 2 => array('name' => 'type', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'OBJECT', 'name' => '__Type', 'ofType' => NULL)), 'isDeprecated' => false, 'deprecationReason' => NULL), 3 => array('name' => 'defaultValue', 'args' => array(), 'type' => array('kind' => 'SCALAR', 'name' => 'String', 'ofType' => NULL), 'isDeprecated' => false, 'deprecationReason' => NULL)), 'inputFields' => NULL, 'interfaces' => array(), 'enumValues' => NULL, 'possibleTypes' => NULL), 8 => array('kind' => 'OBJECT', 'name' => '__EnumValue', 'fields' => array(0 => array('name' => 'name', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'SCALAR', 'name' => 'String', 'ofType' => NULL)), 'isDeprecated' => false, 'deprecationReason' => NULL), 1 => array('name' => 'description', 'args' => array(), 'type' => array('kind' => 'SCALAR', 'name' => 'String', 'ofType' => NULL), 'isDeprecated' => false, 'deprecationReason' => NULL), 2 => array('name' => 'isDeprecated', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'SCALAR', 'name' => 'Boolean', 'ofType' => NULL)), 'isDeprecated' => false, 'deprecationReason' => NULL), 3 => array('name' => 'deprecationReason', 'args' => array(), 'type' => array('kind' => 'SCALAR', 'name' => 'String', 'ofType' => NULL), 'isDeprecated' => false, 'deprecationReason' => NULL)), 'inputFields' => NULL, 'interfaces' => array(), 'enumValues' => NULL, 'possibleTypes' => NULL), 9 => array('kind' => 'OBJECT', 'name' => '__Directive', 'fields' => array(0 => array('name' => 'name', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'SCALAR', 'name' => 'String', 'ofType' => NULL)), 'isDeprecated' => false, 'deprecationReason' => NULL), 1 => array('name' => 'description', 'args' => array(), 'type' => array('kind' => 'SCALAR', 'name' => 'String', 'ofType' => NULL), 'isDeprecated' => false, 'deprecationReason' => NULL), 2 => array('name' => 'args', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'LIST', 'name' => NULL, 'ofType' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'OBJECT', 'name' => '__InputValue')))), 'isDeprecated' => false, 'deprecationReason' => NULL), 3 => array('name' => 'onOperation', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'SCALAR', 'name' => 'Boolean', 'ofType' => NULL)), 'isDeprecated' => false, 'deprecationReason' => NULL), 4 => array('name' => 'onFragment', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'SCALAR', 'name' => 'Boolean', 'ofType' => NULL)), 'isDeprecated' => false, 'deprecationReason' => NULL), 5 => array('name' => 'onField', 'args' => array(), 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'SCALAR', 'name' => 'Boolean', 'ofType' => NULL)), 'isDeprecated' => false, 'deprecationReason' => NULL)), 'inputFields' => NULL, 'interfaces' => array(), 'enumValues' => NULL, 'possibleTypes' => NULL), 10 => ['kind' => 'SCALAR', 'name' => 'ID', 'fields' => null, 'inputFields' => null, 'interfaces' => null, 'enumValues' => null, 'possibleTypes' => null], 11 => ['kind' => 'SCALAR', 'name' => 'Float', 'fields' => null, 'inputFields' => null, 'interfaces' => null, 'enumValues' => null, 'possibleTypes' => null], 12 => ['kind' => 'SCALAR', 'name' => 'Int', 'fields' => null, 'inputFields' => null, 'interfaces' => null, 'enumValues' => null, 'possibleTypes' => null]), 'directives' => array(0 => array('name' => 'include', 'args' => array(0 => array('defaultValue' => NULL, 'name' => 'if', 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'SCALAR', 'name' => 'Boolean', 'ofType' => NULL)))), 'onOperation' => false, 'onFragment' => true, 'onField' => true), 1 => array('name' => 'skip', 'args' => array(0 => array('defaultValue' => NULL, 'name' => 'if', 'type' => array('kind' => 'NON_NULL', 'name' => NULL, 'ofType' => array('kind' => 'SCALAR', 'name' => 'Boolean', 'ofType' => NULL)))), 'onOperation' => false, 'onFragment' => true, 'onField' => true)))));
$actual = GraphQL::execute($emptySchema, $request);
$this->assertEquals($expected, $actual);
}
public function getTypeMap()
{
if (null === $this->_typeMap) {
$map = [];
foreach ([$this->getQueryType(), $this->getMutationType(), Introspection::_schema()] as $type) {
$this->_extractTypes($type, $map);
}
$this->_typeMap = $map + Type::getInternalTypes();
}
return $this->_typeMap;
}
public function __construct(Type $querySchema = null, Type $mutationSchema = null)
{
Utils::invariant($querySchema || $mutationSchema, "Either query or mutation type must be set");
$this->querySchema = $querySchema;
$this->mutationSchema = $mutationSchema;
// Build type map now to detect any errors within this schema.
$map = [];
foreach ([$this->getQueryType(), $this->getMutationType(), Introspection::_schema()] as $type) {
$this->_extractTypes($type, $map);
}
$this->_typeMap = $map + Type::getInternalTypes();
// Enforce correct interface implementations
foreach ($this->_typeMap as $typeName => $type) {
if ($type instanceof ObjectType) {
foreach ($type->getInterfaces() as $iface) {
$this->assertObjectImplementsInterface($type, $iface);
}
}
}
}
/**
* Not exactly the same as the executor's definition of getFieldDef, in this
* statically evaluated environment we do not always have an Object type,
* and need to handle Interface and Union types.
*
* @return FieldDefinition
*/
private static function _getFieldDef(Schema $schema, Type $parentType, Field $fieldAST)
{
$name = $fieldAST->name->value;
$schemaMeta = Introspection::schemaMetaFieldDef();
if ($name === $schemaMeta->name && $schema->getQueryType() === $parentType) {
return $schemaMeta;
}
$typeMeta = Introspection::typeMetaFieldDef();
if ($name === $typeMeta->name && $schema->getQueryType() === $parentType) {
return $typeMeta;
}
$typeNameMeta = Introspection::typeNameMetaFieldDef();
if ($name === $typeNameMeta->name && ($parentType instanceof ObjectType || $parentType instanceof InterfaceType || $parentType instanceof UnionType)) {
return $typeNameMeta;
}
if ($parentType instanceof ObjectType || $parentType instanceof InterfaceType) {
$fields = $parentType->getFields();
return isset($fields[$name]) ? $fields[$name] : null;
}
return null;
}
/**
* This method looks up the field on the given type defintion.
* It has special casing for the two introspection fields, __schema
* and __typename. __typename is special because it can always be
* queried as a field, even in situations where no other fields
* are allowed, like on a Union. __schema could get automatically
* added to the query type, but that would require mutating type
* definitions, which would cause issues.
*
* @param Schema $schema
* @param ObjectType $parentType
* @param $fieldName
*
* @return FieldDefinition
*/
private static function getFieldDef(Schema $schema, ObjectType $parentType, $fieldName)
{
static $schemaMetaFieldDef, $typeMetaFieldDef, $typeNameMetaFieldDef;
$schemaMetaFieldDef = $schemaMetaFieldDef ?: Introspection::schemaMetaFieldDef();
$typeMetaFieldDef = $typeMetaFieldDef ?: Introspection::typeMetaFieldDef();
$typeNameMetaFieldDef = $typeNameMetaFieldDef ?: Introspection::typeNameMetaFieldDef();
if ($fieldName === $schemaMetaFieldDef->name && $schema->getQueryType() === $parentType) {
return $schemaMetaFieldDef;
} else {
if ($fieldName === $typeMetaFieldDef->name && $schema->getQueryType() === $parentType) {
return $typeMetaFieldDef;
} else {
if ($fieldName === $typeNameMetaFieldDef->name) {
return $typeNameMetaFieldDef;
}
}
}
$tmp = $parentType->getFields();
return isset($tmp[$fieldName]) ? $tmp[$fieldName] : null;
}
/**
* @it can be introspected without error
*/
public function testCanBeIntrospectedWithoutError()
{
$result = GraphQL::execute($this->schema, Introspection::getIntrospectionQuery());
$this->assertArrayNotHasKey('errors', $result);
}
/**
* Given a selectionSet, adds all of the fields in that selection to
* the passed in map of fields, and returns it at the end.
*
* Note: This is not the same as execution's collectFields because at static
* time we do not know what object type will be used, so we unconditionally
* spread in all fragments.
*
* @see GraphQL\Validator\Rules\OverlappingFieldsCanBeMerged
*
* @param ValidationContext $context
* @param Type|null $parentType
* @param SelectionSetNode $selectionSet
* @param \ArrayObject $visitedFragmentNames
* @param \ArrayObject $astAndDefs
*
* @return \ArrayObject
*/
protected function collectFieldASTsAndDefs(ValidationContext $context, $parentType, SelectionSetNode $selectionSet, \ArrayObject $visitedFragmentNames = null, \ArrayObject $astAndDefs = null)
{
$_visitedFragmentNames = $visitedFragmentNames ?: new \ArrayObject();
$_astAndDefs = $astAndDefs ?: new \ArrayObject();
foreach ($selectionSet->selections as $selection) {
switch ($selection->kind) {
case NodeKind::FIELD:
/* @var FieldNode $selection */
$fieldName = $selection->name->value;
$fieldDef = null;
if ($parentType && method_exists($parentType, 'getFields')) {
$tmp = $parentType->getFields();
$schemaMetaFieldDef = Introspection::schemaMetaFieldDef();
$typeMetaFieldDef = Introspection::typeMetaFieldDef();
$typeNameMetaFieldDef = Introspection::typeNameMetaFieldDef();
if ($fieldName === $schemaMetaFieldDef->name && $context->getSchema()->getQueryType() === $parentType) {
$fieldDef = $schemaMetaFieldDef;
} elseif ($fieldName === $typeMetaFieldDef->name && $context->getSchema()->getQueryType() === $parentType) {
$fieldDef = $typeMetaFieldDef;
} elseif ($fieldName === $typeNameMetaFieldDef->name) {
$fieldDef = $typeNameMetaFieldDef;
} elseif (isset($tmp[$fieldName])) {
$fieldDef = $tmp[$fieldName];
}
}
$responseName = $this->getFieldName($selection);
if (!isset($_astAndDefs[$responseName])) {
$_astAndDefs[$responseName] = new \ArrayObject();
}
// create field context
$_astAndDefs[$responseName][] = [$selection, $fieldDef];
break;
case NodeKind::INLINE_FRAGMENT:
/* @var InlineFragmentNode $selection */
$_astAndDefs = $this->collectFieldASTsAndDefs($context, TypeInfo::typeFromAST($context->getSchema(), $selection->typeCondition), $selection->selectionSet, $_visitedFragmentNames, $_astAndDefs);
break;
case NodeKind::FRAGMENT_SPREAD:
/* @var FragmentSpreadNode $selection */
$fragName = $selection->name->value;
if (empty($_visitedFragmentNames[$fragName])) {
$_visitedFragmentNames[$fragName] = true;
$fragment = $context->getFragment($fragName);
if ($fragment) {
$_astAndDefs = $this->collectFieldASTsAndDefs($context, TypeInfo::typeFromAST($context->getSchema(), $fragment->typeCondition), $fragment->selectionSet, $_visitedFragmentNames, $_astAndDefs);
}
}
break;
}
}
return $_astAndDefs;
}
/**
* @param array $config
*/
protected function init(array $config)
{
$config += ['query' => null, 'mutation' => null, 'subscription' => null, 'types' => [], 'directives' => [], 'validate' => true];
if ($config['query'] instanceof DefinitionContainer) {
$config['query'] = $config['query']->getDefinition();
}
if ($config['mutation'] instanceof DefinitionContainer) {
$config['mutation'] = $config['mutation']->getDefinition();
}
if ($config['subscription'] instanceof DefinitionContainer) {
$config['subscription'] = $config['subscription']->getDefinition();
}
Utils::invariant($config['query'] instanceof ObjectType, "Schema query must be Object Type but got: " . Utils::getVariableType($config['query']));
$this->queryType = $config['query'];
Utils::invariant(!$config['mutation'] || $config['mutation'] instanceof ObjectType, "Schema mutation must be Object Type if provided but got: " . Utils::getVariableType($config['mutation']));
$this->mutationType = $config['mutation'];
Utils::invariant(!$config['subscription'] || $config['subscription'] instanceof ObjectType, "Schema subscription must be Object Type if provided but got: " . Utils::getVariableType($config['subscription']));
$this->subscriptionType = $config['subscription'];
Utils::invariant(!$config['types'] || is_array($config['types']), "Schema types must be Array if provided but got: " . Utils::getVariableType($config['types']));
Utils::invariant(!$config['directives'] || is_array($config['directives']) && Utils::every($config['directives'], function ($d) {
return $d instanceof Directive;
}), "Schema directives must be Directive[] if provided but got " . Utils::getVariableType($config['directives']));
$this->directives = $config['directives'] ?: GraphQL::getInternalDirectives();
// Build type map now to detect any errors within this schema.
$initialTypes = [$config['query'], $config['mutation'], $config['subscription'], Introspection::_schema()];
if (!empty($config['types'])) {
$initialTypes = array_merge($initialTypes, $config['types']);
}
foreach ($initialTypes as $type) {
$this->extractTypes($type);
}
$this->typeMap += Type::getInternalTypes();
// Keep track of all implementations by interface name.
$this->implementations = [];
foreach ($this->typeMap as $typeName => $type) {
if ($type instanceof ObjectType) {
foreach ($type->getInterfaces() as $iface) {
$this->implementations[$iface->name][] = $type;
}
}
}
}
public function testPassesOnTheIntrospectionSchema()
{
$schema = new Schema(Introspection::_schema());
$errors = SchemaValidator::validate($schema);
$this->assertEmpty($errors);
}
public function testPassesOnTheIntrospectionSchema()
{
$this->expectPasses(['query' => Introspection::_schema()]);
}
public function setUp()
{
$this->introQuery = new Source(Introspection::getIntrospectionQuery());
}
protected function assertIntrospectionQuery($maxExpected)
{
$query = Introspection::getIntrospectionQuery(true);
$this->assertMaxValue($query, $maxExpected);
}