102 lines
2.6 KiB
Dart
102 lines
2.6 KiB
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 typeType = enumTypeFromStrings('Type', [
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'FIRE',
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'WATER',
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'GRASS',
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]);
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var pokemonType = objectType('Pokémon', fields: [
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field(
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'name',
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graphQLString.nonNullable(),
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),
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field(
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'type',
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typeType,
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),
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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('object accepts valid input', () {
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expect({'name': 'Charmander', 'type': 'FIRE'}, isValidPokemon);
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});
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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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test('enum accepts valid value', () {
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expect(typeType.validate('@root', 'FIRE').successful, true);
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});
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test('enum rejects invalid value', () {
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expect(typeType.validate('@root', 'POISON').successful, false);
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});
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group('union type', () {
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var digimonType = objectType(
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'Digimon',
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fields: [
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field('size', graphQLFloat.nonNullable()),
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],
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);
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var u = new GraphQLUnionType('Monster', [pokemonType, digimonType]);
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test('any of its types returns valid', () {
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expect(u.validate('@root', {'size': 32.0}).successful, true);
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expect(
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u.validate(
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'@root', {'name': 'Charmander', 'type': 'FIRE'}).successful,
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true);
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});
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});
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group('input object', () {
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var type = inputObjectType(
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'Foo',
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inputFields: [
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inputField('bar', graphQLString.nonNullable()),
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inputField('baz', graphQLFloat.nonNullable()),
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],
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);
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test('accept valid input', () {
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expect(type.validate('@root', {'bar': 'a', 'baz': 2.0}).value,
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{'bar': 'a', 'baz': 2.0});
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});
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test('error on missing non-null fields', () {
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expect(type.validate('@root', {'bar': 'a'}).successful, false);
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});
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test('error on unrecognized fields', () {
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expect(
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type.validate(
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'@root', {'bar': 'a', 'baz': 2.0, 'franken': 'stein'}).successful,
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false);
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});
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});
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}
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