76 lines
2.4 KiB
Dart
76 lines
2.4 KiB
Dart
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 'argument_test.dart';
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import 'directive_test.dart';
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import 'field_test.dart';
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import 'fragment_spread_test.dart';
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import 'selection_set_test.dart';
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main() {
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test('no directives', () {
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expect(
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'... on foo {bar, baz: quux}',
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isInlineFragment('foo',
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selectionSet: isSelectionSet([
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isField(fieldName: isFieldName('bar')),
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isField(fieldName: isFieldName('baz', alias: 'quux'))
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])));
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});
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test('with directives', () {
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expect(
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'... on foo @bar @baz: 2 @quux(one: 1) {... bar}',
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isInlineFragment('foo',
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directives: isDirectiveList([
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isDirective('bar'),
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isDirective('baz', valueOrVariable: equals(2)),
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isDirective('quux', argument: isArgument('one', 1))
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]),
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selectionSet: isSelectionSet([isFragmentSpread('bar')])));
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});
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test('exceptions', () {
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var throwsSyntaxError = predicate((x) {
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var parser = parse(x.toString())..parseInlineFragment();
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return parser.errors.isNotEmpty;
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}, 'fails to parse inline fragment');
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expect('... on foo', throwsSyntaxError);
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expect('... on foo @bar', throwsSyntaxError);
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expect('... on', throwsSyntaxError);
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expect('...', throwsSyntaxError);
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});
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}
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InlineFragmentContext parseInlineFragment(String text) =>
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parse(text).parseInlineFragment();
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Matcher isInlineFragment(String name,
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{Matcher directives, Matcher selectionSet}) =>
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new _IsInlineFragment(name, directives, selectionSet);
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class _IsInlineFragment extends Matcher {
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final String name;
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final Matcher directives, selectionSet;
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_IsInlineFragment(this.name, this.directives, this.selectionSet);
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@override
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Description describe(Description description) {
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return description.add('is an inline fragment named "$name"');
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}
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@override
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bool matches(item, Map matchState) {
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var fragment = item is InlineFragmentContext
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? item
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: parseInlineFragment(item.toString());
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if (fragment == null) return false;
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if (fragment.typeCondition.typeName.name != name) return false;
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if (directives != null &&
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!directives.matches(fragment.directives, matchState)) return false;
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if (selectionSet != null &&
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!selectionSet.matches(fragment.selectionSet, matchState)) return false;
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return true;
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}
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}
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