// Author: fruit.com.cn

import 'dart:async';

import 'package:flutter_test/flutter_test.dart';
import 'package:fruitshorts/core/platform/wireless_data_prompt.dart';

void main() {
  setUp(WirelessDataPrompt.resetForTest);
  tearDown(WirelessDataPrompt.resetForTest);

  test('should_return_immediately_when_disabled', () async {
    var calls = 0;

    await WirelessDataPrompt.awaitDecision(
      enabled: false,
      ask: () async {
        calls++;
      },
    );

    expect(calls, 0);
  });

  test('should_ask_once_when_enabled', () async {
    var calls = 0;

    Future<void> ask() async {
      calls++;
    }

    await WirelessDataPrompt.awaitDecision(enabled: true, ask: ask);
    await WirelessDataPrompt.awaitDecision(enabled: true, ask: ask);

    expect(calls, 1);
  });

  test('should_continue_when_decision_times_out', () async {
    await WirelessDataPrompt.awaitDecision(
      enabled: true,
      ask: () => Completer<void>().future,
      timeout: const Duration(milliseconds: 20),
    );
  });

  test('should_continue_when_ask_fails', () async {
    await WirelessDataPrompt.awaitDecision(
      enabled: true,
      ask: () async {
        throw StateError('channel missing');
      },
    );
  });
}