93 lines
2.5 KiB
Dart
93 lines
2.5 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 'field_test.dart';
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import 'fragment_spread_test.dart';
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import 'inline_fragment_test.dart';
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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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'''
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{
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foo
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bar: baz ...quux
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... on foo {bar, baz}
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}'''
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.split('\n')
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.map((s) => s.trim())
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.join(' '),
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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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isInlineFragment('foo',
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selectionSet: isSelectionSet([
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isField(fieldName: isFieldName('bar')),
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isField(fieldName: isFieldName('baz')),
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]))
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]));
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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())..parseSelectionSet();
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return parser.errors.isNotEmpty;
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}, 'fails to parse selection set');
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expect('{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 =
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item is SelectionSetContext ? item : parseSelectionSet(item.toString());
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print('Item: $set has ${set.selections.length} selection(s):');
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for (var s in set.selections) {
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print(' * $s (${s.span.text})');
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}
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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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