platform/angel_container/test/common.dart
2019-10-12 09:34:15 -04:00

122 lines
3.3 KiB
Dart

import 'dart:async';
import 'package:angel_container/angel_container.dart';
import 'package:test/test.dart';
void returnVoidFromAFunction(int x) {}
void testReflector(Reflector reflector) {
var blaziken = Pokemon('Blaziken', PokemonType.fire);
Container container;
setUp(() {
container = Container(reflector);
container.registerSingleton(blaziken);
container.registerFactory<Future<int>>((_) async => 46);
});
test('get field', () {
var blazikenMirror = reflector.reflectInstance(blaziken);
expect(blazikenMirror.getField('type').reflectee, blaziken.type);
});
group('reflectFunction', () {
var mirror = reflector.reflectFunction(returnVoidFromAFunction);
test('void return type returns dynamic', () {
expect(mirror.returnType, reflector.reflectType(dynamic));
});
test('counts parameters', () {
expect(mirror.parameters, hasLength(1));
});
test('counts types parameters', () {
expect(mirror.typeParameters, isEmpty);
});
test('correctly reflects parameter types', () {
var p = mirror.parameters[0];
expect(p.name, 'x');
expect(p.isRequired, true);
expect(p.isNamed, false);
expect(p.annotations, isEmpty);
expect(p.type, reflector.reflectType(int));
});
});
test('make on singleton type returns singleton', () {
expect(container.make(Pokemon), blaziken);
});
test('make with generic returns same as make with explicit type', () {
expect(container.make<Pokemon>(), blaziken);
});
test('make async returns async object', () async {
expect(container.makeAsync<int>(), completion(46));
});
test('make async returns sync object', () async {
expect(container.makeAsync<Pokemon>(), completion(blaziken));
});
test('make on aliased singleton returns singleton', () {
container.registerSingleton(blaziken, as: StateError);
expect(container.make(StateError), blaziken);
});
test('constructor injects singleton', () {
var lower = container.make<LowerPokemon>();
expect(lower.lowercaseName, blaziken.name.toLowerCase());
});
test('newInstance works', () {
var type = container.reflector.reflectType(Pokemon);
var instance =
type.newInstance('changeName', [blaziken, 'Charizard']).reflectee
as Pokemon;
print(instance);
expect(instance.name, 'Charizard');
expect(instance.type, PokemonType.fire);
});
test('isAssignableTo', () {
var pokemonType = container.reflector.reflectType(Pokemon);
var kantoPokemonType = container.reflector.reflectType(KantoPokemon);
expect(kantoPokemonType.isAssignableTo(pokemonType), true);
expect(
kantoPokemonType
.isAssignableTo(container.reflector.reflectType(String)),
false);
});
}
class LowerPokemon {
final Pokemon pokemon;
LowerPokemon(this.pokemon);
String get lowercaseName => pokemon.name.toLowerCase();
}
class Pokemon {
final String name;
final PokemonType type;
Pokemon(this.name, this.type);
factory Pokemon.changeName(Pokemon other, String name) {
return Pokemon(name, other.type);
}
@override
String toString() => 'NAME: $name, TYPE: $type';
}
class KantoPokemon extends Pokemon {
KantoPokemon(String name, PokemonType type) : super(name, type);
}
enum PokemonType { water, fire, grass, ice, poison, flying }