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pinball/test/game/bloc/game_state_test.dart

154 lines
3.3 KiB

// ignore_for_file: prefer_const_constructors
import 'package:flutter_test/flutter_test.dart';
import 'package:pinball/game/game.dart';
void main() {
group('GameState', () {
test('supports value equality', () {
expect(
GameState(
score: 0,
balls: 0,
bonusHistory: const [],
),
equals(
const GameState(
score: 0,
balls: 0,
bonusHistory: [],
),
),
);
});
group('constructor', () {
test('can be instantiated', () {
expect(
const GameState(
score: 0,
balls: 0,
bonusHistory: [],
),
isNotNull,
);
});
});
test(
'throws AssertionError '
'when balls are negative',
() {
expect(
() => GameState(
balls: -1,
score: 0,
bonusHistory: const [],
),
throwsAssertionError,
);
},
);
test(
'throws AssertionError '
'when score is negative',
() {
expect(
() => GameState(
balls: 0,
score: -1,
bonusHistory: const [],
),
throwsAssertionError,
);
},
);
group('isGameOver', () {
test(
'is true '
'when no balls are left', () {
const gameState = GameState(
balls: 0,
score: 0,
bonusHistory: [],
);
expect(gameState.isGameOver, isTrue);
});
test(
'is false '
'when one 1 ball left', () {
const gameState = GameState(
balls: 1,
score: 0,
bonusHistory: [],
);
expect(gameState.isGameOver, isFalse);
});
});
group('copyWith', () {
test(
'throws AssertionError '
'when scored is decreased',
() {
const gameState = GameState(
balls: 0,
score: 2,
bonusHistory: [],
);
expect(
() => gameState.copyWith(score: gameState.score - 1),
throwsAssertionError,
);
},
);
test(
'copies correctly '
'when no argument specified',
() {
const gameState = GameState(
balls: 0,
score: 2,
bonusHistory: [],
);
expect(
gameState.copyWith(),
equals(gameState),
);
},
);
test(
'copies correctly '
'when all arguments specified',
() {
const gameState = GameState(
score: 2,
balls: 0,
bonusHistory: [],
);
final otherGameState = GameState(
score: gameState.score + 1,
balls: gameState.balls + 1,
bonusHistory: const [GameBonus.googleWord],
);
expect(gameState, isNot(equals(otherGameState)));
expect(
gameState.copyWith(
score: otherGameState.score,
balls: otherGameState.balls,
bonusHistory: otherGameState.bonusHistory,
),
equals(otherGameState),
);
},
);
});
});
}