70 lines
1.8 KiB
Dart
70 lines
1.8 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 'field_test.dart';
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import 'fragment_spread_test.dart';
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// TODO: Test inline fragment...
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main() {
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test('empty', () {
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expect('{}', isSelectionSet([]));
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});
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test('with commas', () {
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expect(
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'{foo, bar: baz}',
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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('no commas', () {
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expect(
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'{foo bar: baz ...quux}',
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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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isFragmentSpread('quux')
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]));
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});
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test('exceptions', () {
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expect(() => parseSelectionSet('{foo,bar,baz'), throwsSyntaxError);
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});
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}
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SelectionSetContext parseSelectionSet(String text) =>
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parse(text).parseSelectionSet();
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Matcher isSelectionSet(List<Matcher> selections) =>
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new _IsSelectionSet(selections);
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class _IsSelectionSet extends Matcher {
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final List<Matcher> selections;
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_IsSelectionSet(this.selections);
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@override
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Description describe(Description description) {
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return description
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.add('is selection set with ${selections.length} selection(s)');
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}
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@override
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bool matches(item, Map matchState) {
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var set = item is SelectionSetContext ? item : parseSelectionSet(item);
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if (set == null) return false;
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if (set.selections.length != selections.length) return false;
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for (int i = 0; i < set.selections.length; i++) {
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var sel = set.selections[i];
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if (!selections[i].matches(
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sel.field ?? sel.fragmentSpread ?? sel.inlineFragment, matchState))
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return false;
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}
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return true;
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}
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}
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