60 lines
1.7 KiB
Dart
60 lines
1.7 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 'argument_test.dart';
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import 'directive_test.dart';
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main() {
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test('name only', () {
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expect(['...foo', '... foo'], everyElement(isFragmentSpread('foo')));
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});
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test('with directives', () {
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expect(
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'... foo @bar @baz: 2 @quux(one: 1)',
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isFragmentSpread('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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});
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test('exceptions', () {
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expect(() => parseFragmentSpread('...'), throwsSyntaxError);
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});
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}
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FragmentSpreadContext parseFragmentSpread(String text) =>
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parse(text).parseFragmentSpread();
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Matcher isFragmentSpread(String name, {Matcher directives}) =>
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new _IsFragmentSpread(name, directives);
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class _IsFragmentSpread extends Matcher {
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final String name;
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final Matcher directives;
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_IsFragmentSpread(this.name, this.directives);
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@override
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Description describe(Description description) {
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if (directives != null)
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return directives.describe(
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description.add('is a fragment spread named "$name" that also '));
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return description.add('is a fragment spread named "$name"');
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}
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@override
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bool matches(item, Map matchState) {
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var spread =
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item is FragmentSpreadContext ? item : parseFragmentSpread(item);
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if (spread == null) return false;
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if (spread.name != name) return false;
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if (directives != null)
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return directives.matches(spread.directives, matchState);
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else
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return true;
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}
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}
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