单元测试将不会运行:进程由于StackOverflowException而终止
单元测试将不会运行:进程由于StackOverflowException而终止
提问于 2018-06-10 06:18:38
我正在做单元测试来测试我写的一个算法，不幸的是，由于这个错误，这些测试甚至不会运行：
10-6-2018 00:12:00信息性==========运行测试已完成:0运行(0:00:06,5685302) ========== 10-6-2018 00:12:04信息性-运行测试已启动- 10-6-2018 00:12:09错误活动测试运行已中止。原因: StackOverflowException导致进程终止。
这些是我拥有的所有单元测试：
namespace AlgoritmeTest
{
[TestClass]
public class AlgoritmeTests
{
[TestMethod]
public void TestAddingWagonToTrain()
{
Train train = new Train();
Wagon wagon = new Wagon(10);
List<Wagon> expected = new List<Wagon>();
expected.Add(wagon);
train.AddWagon(wagon);
List<Wagon> actual = train.GetWagons();
Assert.AreEqual(expected, actual, "Failed to add wagon to train");
}
[TestMethod]
public void TestAddingAnimalToWagon()
{
Train train = new Train();
Wagon wagon = new Wagon(10);
Animal animal = new Animal("Goudvis", AnimalFood.Meat, AnimalSize.Big);
List<Animal> expected = new List<Animal>();
expected.Add(animal);
wagon.AddAnimal(animal);
List<Animal> actual = wagon.GetAnimals();
Assert.AreEqual(expected, actual, "Failed to add animal to wagon");
}
[TestMethod]
public void TestIfAnimalsAreReturned()
{
Animal animal = new Animal();
Animal goudvis = new Animal("Goudvis", AnimalFood.Meat, AnimalSize.Big);
Animal visstick = new Animal("Visstick", AnimalFood.Meat, AnimalSize.Big);
animal.animalsFromTheCircus.Add(goudvis);
animal.animalsFromTheCircus.Add(new Animal("Potvis", AnimalFood.Plants, AnimalSize.Medium));
animal.animalsFromTheCircus.Add(new Animal("Zalm", AnimalFood.Meat, AnimalSize.Small));
animal.animalsFromTheCircus.Add(visstick);
animal.animalsFromTheCircus.Add(new Animal("Varkenshaasje", AnimalFood.Plants, AnimalSize.Big));
List<Animal> expected = new List<Animal>();
expected.Add(goudvis);
expected.Add(visstick);
List<Animal> actual = animal.GetAllBigMeatEaters();
Assert.AreEqual(expected, actual, "Failed to get all animals which meet criteria");
}
[TestMethod]
public void TestIfAlgorithmStepWorks()
{
Program program = new Program();
Animal animal = new Animal();
Wagon wagon = new Wagon(10);
Wagon wagon2 = new Wagon(10);
Animal goudvis = new Animal("Goudvis", AnimalFood.Meat, AnimalSize.Big);
Animal visstick = new Animal("Visstick", AnimalFood.Meat, AnimalSize.Big);
animal.animalsFromTheCircus.Add(goudvis);
animal.animalsFromTheCircus.Add(visstick);
animal.animalsFromTheCircus.Add(new Animal("Potvis", AnimalFood.Plants, AnimalSize.Medium));
animal.animalsFromTheCircus.Add(new Animal("Zalm", AnimalFood.Meat, AnimalSize.Small));
animal.animalsFromTheCircus.Add(new Animal("Varkenshaasje", AnimalFood.Plants, AnimalSize.Big));
wagon.AddAnimal(goudvis);
wagon2.AddAnimal(visstick);
Train expected = new Train();
expected.AddWagon(wagon);
expected.AddWagon(wagon2);
program.SetUpProgram(animal.animalsFromTheCircus);
Train actual = program.AddAllMeatEaters();
Assert.AreEqual(expected, actual, "Failed to get all animals which meet criteria and place them in train according to alogrithm");
}
}
}Animal.cs
public class Animal
{
private string animalName;
private AnimalFood animalFood;
private AnimalSize animalSize;
public Animal(string animalName, AnimalFood animalFood, AnimalSize animalSize)
{
this.animalName = animalName;
this.animalFood = animalFood;
this.animalSize = animalSize;
}
public Animal()
{
}
public List<Animal> animalsFromTheCircus = new DataGenerator().GenerateAnimals(100);
public List<Animal> GetallAnimals()
{
return animalsFromTheCircus;
}
public List<Animal> GetAllBigMeatEaters()
{
return animalsFromTheCircus.Where(animal => animal.getAnimalSize() == AnimalSize.Big && animal.getAnimalFood() == AnimalFood.Meat).ToList();
}
public List<Animal> GetAllBigMeatEaters(List<Animal> animalsFromTheCircus)
{
return animalsFromTheCircus.Where(animal => animal.getAnimalSize() == AnimalSize.Big && animal.getAnimalFood() == AnimalFood.Meat).ToList();
}
public List<Animal> GetAllSmallMeatEaters()
{
return animalsFromTheCircus.Where(animal => animal.getAnimalSize() == AnimalSize.Small && animal.getAnimalFood() == AnimalFood.Meat).ToList();
}
public List<Animal> GetAllBigPlantEaters()
{
return animalsFromTheCircus.Where(animal => animal.getAnimalSize() == AnimalSize.Big && animal.getAnimalFood() == AnimalFood.Plants).ToList();
}
public List<Animal> GetAllMediumMeatEaters()
{
return animalsFromTheCircus.Where(animal => animal.getAnimalSize() == AnimalSize.Medium && animal.getAnimalFood() == AnimalFood.Meat).ToList();
}
public List<Animal> GetAllMediumPlantEaters()
{
return animalsFromTheCircus.Where(animal => animal.getAnimalSize() == AnimalSize.Medium && animal.getAnimalFood() == AnimalFood.Plants).ToList();
}
public List<Animal> GetAllSmallPlantEaters()
{
return animalsFromTheCircus.Where(animal => animal.getAnimalSize() == AnimalSize.Small && animal.getAnimalFood() == AnimalFood.Plants).ToList();
}
public string getAnimalName()
{
return this.animalName;
}
public AnimalFood getAnimalFood()
{
return this.animalFood;
}
public AnimalSize getAnimalSize()
{
return this.animalSize;
}
}Wagon.cs
public class Wagon
{
private List<Animal> animals;
private int maxSize;
public Wagon(int maxSize)
{
this.animals = new List<Animal>();
this.maxSize = maxSize;
}
public void AddAnimal(Animal animal)
{
this.animals.Add(animal);
}
public List<Animal> GetAnimals()
{
return this.animals;
}
}Train.cs
public class Train
{
private List<Wagon> wagons;
public Train()
{
this.wagons = new List<Wagon>();
}
public void AddWagon(Wagon wagon)
{
this.wagons.Add(wagon);
}
public List<Wagon> GetWagons()
{
return this.wagons;
}
}我的测试有问题吗?为什么它们不能运行？
回答 1
Stack Overflow用户
回答已采纳
发布于 2018-06-10 06:32:32
您所显示的代码中没有循环引用，我敏锐的感觉告诉我问题就在这里。
public List<Animal> animalsFromTheCircus = new DataGenerator().GenerateAnimals(100);更新
每当你创造一个动物，它就产生了动物，而动物又创造了动物，奇点就发生了。整个宇宙都被吸进去了
更新2
这里还有一个严重的关注点分离问题，我的意思是为什么类动物甚至有一个动物列表，而我知道的并不是很多动物都有子动物(在任何正常意义上都是如此)。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/50778995
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