32 lines
920 B
Dart
32 lines
920 B
Dart
import 'package:graphql_schema/graphql_schema.dart';
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import 'package:test/test.dart';
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void main() {
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var pokemonType = objectType('Pokémon', fields: [
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field('name', type: graphQLString.nonNullable()),
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]);
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var isValidPokemon = predicate(
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(x) =>
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pokemonType.validate('@root', x as Map<String, dynamic>).successful,
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'is a valid Pokémon');
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var throwsATypeError =
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throwsA(predicate((x) => x is TypeError, 'is a type error'));
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test('mismatched scalar type', () {
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expect(() => pokemonType.validate('@root', {'name': 24}), throwsATypeError);
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});
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test('empty passed for non-nullable', () {
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expect(<String, dynamic>{}, isNot(isValidPokemon));
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});
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test('null passed for non-nullable', () {
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expect({'name': null}, isNot(isValidPokemon));
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});
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test('rejects extraneous fields', () {
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expect({'name': 'Vulpix', 'foo': 'bar'}, isNot(isValidPokemon));
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});
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}
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