74 lines
2.1 KiB
Dart
74 lines
2.1 KiB
Dart
import 'package:graphql_parser/graphql_parser.dart';
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import 'package:matcher/matcher.dart';
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import 'package:test/test.dart';
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import 'common.dart';
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main() {
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test('argument', () {
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expect('foo: 2', isArgument('foo', 2));
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expect(r'foo: $bar', isArgument('foo', 'bar'));
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});
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test('exception', () {
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expect(() => parseArgument('foo'), throwsSyntaxError);
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expect(() => parseArgument('foo:'), throwsSyntaxError);
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expect(() => parseArgumentList(r'(foo: $bar'), throwsSyntaxError);
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});
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}
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ArgumentContext parseArgument(String text) => parse(text).parseArgument();
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List<ArgumentContext> parseArgumentList(String text) => parse(text).parseArguments();
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Matcher isArgument(String name, value) => new _IsArgument(name, value);
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Matcher isArgumentList(List<Matcher> arguments) =>
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new _IsArgumentList(arguments);
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class _IsArgument extends Matcher {
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final String name;
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final value;
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_IsArgument(this.name, this.value);
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@override
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Description describe(Description description) {
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return description.add('is an argument named "$name" with value $value');
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}
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@override
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bool matches(item, Map matchState) {
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var arg = item is ArgumentContext ? item : parseArgument(item.toString());
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if (arg == null) return false;
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print(arg.toSource());
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return equals(name).matches(arg.name, matchState) &&
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equals(value).matches(
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arg.valueOrVariable.value?.value ??
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arg.valueOrVariable.variable?.name,
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matchState);
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}
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}
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class _IsArgumentList extends Matcher {
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final List<Matcher> arguments;
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_IsArgumentList(this.arguments);
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@override
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Description describe(Description description) {
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return description.add('is list of ${arguments.length} argument(s)');
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}
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@override
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bool matches(item, Map matchState) {
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var args =
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item is List<ArgumentContext> ? item : parse(item.toString()).parseArguments();
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if (args.length != arguments.length) return false;
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for (int i = 0; i < args.length; i++) {
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if (!arguments[i].matches(args[i], matchState)) return false;
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}
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return true;
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}
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}
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