c# - 如何在 NUnit 测试用例中传递字符串和字典？

Question

我想测试我的方法，我可以传递 2 个字符串变量，但我不知道如何传递 Dictionary<,> .

看起来像这样:

[Test]
[TestCase("agr1", "askdwskdls", Dictionary<TypeMeasurement,double>)]
public void SendDataToAgregator_GoodVariables_ReturnsOn(string agrID,string devID, Dictionary<TypeMeasurement, double> measurement)
{

}

TypeMeasurement是enum我知道这不是你传递字典的方式，但我不知道如何，所以我把它放在那里让你知道我想做什么。

Answer 1

而不是 TestCaseAttribute，如果您有复杂的数据用作测试用例，您应该查看 TestCaseSourceAttribute

TestCaseSourceAttribute is used on a parameterized test method to identify the property, method or field that will provide the required arguments

您可以使用以下构造函数之一:

TestCaseSourceAttribute(Type sourceType, string sourceName);
TestCaseSourceAttribute(string sourceName);

这是来自 documentation 的解释:

If sourceType is specified, it represents the class that provides the test cases. It must have a default constructor.

If sourceType is not specified, the class containing the test method is used. NUnit will construct it using either the default constructor or - if arguments are provided - the appropriate constructor for those arguments.

所以你可以像下面这样使用它:

[Test]
[TestCaseSource(nameof(MySourceMethod))]
public void SendDataToAgregator_GoodVariables_ReturnsOn(string agrID,string devID, Dictionary<TypeMeasurement, double> measurement)
{

}

static IEnumerable<object[]> MySourceMethod()
{
    var measurement = new Dictionary<TypeMeasurement, double>();
    // Do what you want with your dictionary

    // The order of element in the object my be the same expected by your test method
    return new[] { new object[] { "agr1", "askdwskdls", measurement }, };
};