94 lines
3.2 KiB
Dart
94 lines
3.2 KiB
Dart
import 'package:graphql_parser/graphql_parser.dart';
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import 'package:test/test.dart';
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/// This is an *extremely* verbose test, but basically it
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/// parses both documents, and makes sure that $memberId has
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/// a valid value.
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///
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/// Resolves https://github.com/angel-dart/graphql/issues/23.
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void main() {
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void testStr<T>(String name, String text) {
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test('name', () {
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final List<Token> tokens = scan(text);
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final Parser parser = Parser(tokens);
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if (parser.errors.isNotEmpty) {
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print(parser.errors.toString());
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}
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expect(parser.errors, isEmpty);
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// Parse the GraphQL document using recursive descent
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final DocumentContext doc = parser.parseDocument();
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expect(doc.definitions, isNotNull);
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expect(doc.definitions, isNotEmpty);
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// Sanity check
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var queryDef = doc.definitions[0] as OperationDefinitionContext;
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expect(queryDef.isQuery, true);
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expect(queryDef.name, 'customerMemberAttributes');
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expect(queryDef.variableDefinitions.variableDefinitions, hasLength(1));
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var memberIdDef = queryDef.variableDefinitions.variableDefinitions[0];
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expect(memberIdDef.variable.name, 'memberId');
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// Find $memberId
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var customerByCustomerId = queryDef.selectionSet.selections[0];
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var customerMemberAttributesByCustomerId =
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customerByCustomerId.field.selectionSet.selections[0];
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var nodes0 =
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customerMemberAttributesByCustomerId.field.selectionSet.selections[0];
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var customerMemberAttributeId = nodes0.field.selectionSet.selections[0];
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expect(customerMemberAttributeId.field.fieldName.name,
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'customerMemberAttributeId');
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var memberAttr = nodes0.field.selectionSet.selections[1];
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expect(memberAttr.field.fieldName.name,
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'memberAttributesByCustomerMemberAttributeId');
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expect(memberAttr.field.arguments, hasLength(1));
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var condition = memberAttr.field.arguments[0];
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expect(condition.name, 'condition');
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expect(condition.value, TypeMatcher<ObjectValueContext>());
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var conditionValue = condition.value as ObjectValueContext;
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var memberId = conditionValue.fields
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.singleWhere((f) => f.nameToken.text == 'memberId');
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expect(memberId.value, TypeMatcher<T>());
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print('Found \$memberId: Instance of $T');
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});
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}
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testStr<VariableContext>('member id as var', memberIdAsVar);
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testStr<NumberValueContext>('member id as constant', memberIdAsConstant);
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}
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final String memberIdAsVar = r'''
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query customerMemberAttributes($memberId: Int!){
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customerByCustomerId(customerId: 7) {
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customerMemberAttributesByCustomerId {
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nodes {
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customerMemberAttributeId
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memberAttributesByCustomerMemberAttributeId(condition: {memberId: $memberId}) {
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nodes {
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memberAttributeId
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}
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}
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}
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}
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}
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}
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''';
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final String memberIdAsConstant = r'''
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query customerMemberAttributes($memberId: Int!){
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customerByCustomerId(customerId: 7) {
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customerMemberAttributesByCustomerId {
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nodes {
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customerMemberAttributeId
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memberAttributesByCustomerMemberAttributeId(condition: {memberId: 7}) {
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nodes {
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memberAttributeId
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}
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}
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}
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}
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}
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}
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''';
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