101 lines
3.2 KiB
Dart
101 lines
3.2 KiB
Dart
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import 'package:graphql_parser/graphql_parser.dart';
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import 'package:test/test.dart';
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import 'common.dart';
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import 'directive_test.dart';
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import 'field_test.dart';
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import 'selection_set_test.dart';
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import 'type_test.dart';
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import 'value_test.dart';
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import 'variable_definition_test.dart';
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main() {
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test('fragment', () {
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var fragment = parse('''
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fragment PostInfo on Post {
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description
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comments {
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id
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}
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}
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''').parseFragmentDefinition();
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expect(fragment, isNotNull);
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expect(fragment.name, 'PostInfo');
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expect(fragment.typeCondition.typeName.name, 'Post');
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expect(
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fragment.selectionSet,
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isSelectionSet([
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isField(fieldName: isFieldName('description')),
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isField(
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fieldName: isFieldName('comments'),
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selectionSet:
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isSelectionSet([isField(fieldName: isFieldName('id'))])),
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]));
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});
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test('fragment exceptions', () {
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expect(
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() => parse('fragment').parseFragmentDefinition(), throwsSyntaxError);
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expect(() => parse('fragment foo').parseFragmentDefinition(),
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throwsSyntaxError);
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expect(() => parse('fragment foo on').parseFragmentDefinition(),
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throwsSyntaxError);
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expect(() => parse('fragment foo on bar').parseFragmentDefinition(),
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throwsSyntaxError);
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});
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group('operation', () {
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test('with selection set', () {
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var op = parse('{foo, bar: baz}').parseOperationDefinition();
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expect(op.variableDefinitions, isNull);
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expect(op.isQuery, isFalse);
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expect(op.isMutation, isFalse);
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expect(op.name, isNull);
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expect(
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op.selectionSet,
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isSelectionSet([
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isField(fieldName: isFieldName('foo')),
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isField(fieldName: isFieldName('bar', alias: 'baz'))
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]));
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});
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test('with operation type', () {
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var doc =
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parse(r'query foo ($one: [int] = 2) @foo @bar: 2 {foo, bar: baz}')
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.parseDocument();
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expect(doc.definitions, hasLength(1));
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expect(doc.definitions.first,
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const isInstanceOf<OperationDefinitionContext>());
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var op = doc.definitions.first as OperationDefinitionContext;
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expect(op.isMutation, isFalse);
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expect(op.isQuery, isTrue);
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expect(op.variableDefinitions.variableDefinitions, hasLength(1));
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expect(
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op.variableDefinitions.variableDefinitions.first,
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isVariableDefinition('one',
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type: isListType(isType('int'), isNullable: true),
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defaultValue: isValue(2)));
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expect(op.directives, hasLength(2));
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expect(op.directives[0], isDirective('foo'));
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expect(op.directives[1], isDirective('bar', valueOrVariable: equals(2)));
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expect(op.selectionSet, isNotNull);
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expect(
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op.selectionSet,
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isSelectionSet([
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isField(fieldName: isFieldName('foo')),
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isField(fieldName: isFieldName('bar', alias: 'baz'))
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]));
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});
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test('exceptions', () {
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expect(
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() => parse('query').parseOperationDefinition(), throwsSyntaxError);
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expect(() => parse('query foo()').parseOperationDefinition(),
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throwsSyntaxError);
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});
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});
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}
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