使用MSTest的C#单元测验DynamicDataDisplayName-编程知识-白鹭情

我正在使用 MSTest 执行一些单元测验，我了解到我可以使用[DynamicData]属性输入不同的案例进行测验，但我不能使用属性属性：DynamicDataDisplayName为不同的案例设定名称。

我的测验代码是：

    [TestMethod]
    [DynamicData(nameof(TestInputs_BeReady), DynamicDataSourceType.Method,
        DynamicDataDisplayName = nameof(GetTestDisplayNames),
        DynamicDataDisplayNameDeclaringType = typeof(List<string>))]
    public void Should_BeReady(object expValue, object[] inputs)
    {
        // Arrange

        // Act
        ui.InputID = (string)inputs[0];
        ui.InputName = (string)inputs[1];
        ui.InputList = (List<string>)inputs[2];

        // Assert
        Assert.AreEqual(expValue, onReadyStateChangeArgs.Ready);
    }

    public static IEnumerable<object[]> TestInputs_BeReady()
    {
        return new[]
        {
            new object[] { true, new object[] { "UTSZ0", "Unit Test Size List" , new List<string> { "entry_01", "entry_02" } } },
            new object[] { false, new object[] { "STEST", "Unit Test Size List" , new List<string> { "entry_01", "entry_02" } } },
            new object[] { false, new object[] { "", "Unit Test Size List" , new List<string> { "entry_01", "entry_02" } } },
            new object[] { false, new object[] { "UTSZ0", "" , new List<string> { "entry_01", "entry_02" } } },
            new object[] { false, new object[] { "UTSZ0", "Unit Test Size List", new List<string>() } },
            new object[] { false, new object[] { "UTSZ0", "Unit Test Size List", null } }
        };
    }

    public static IEnumerable<string> GetTestDisplayNames() => new List<string> {
        "All Valid", "Duplicate ID", "Missing ID", "Missing Name", "Empty List", "Null List"
    };

我在测验资源管理器结果中收到了这条讯息：

我在网上搜索了如何使用，DynamicDataDisplayName但我无法提供一些东西；我发现的只是如何使用DynamicData

编辑

我使用此代码为测验输入添加自定义名称，这要归功于

    [TestMethod]
    [DynamicData(nameof(TestInputs_BeReady), DynamicDataSourceType.Method,
        DynamicDataDisplayName = nameof(GetTestDisplayName))]
    public void Should_DoSomething(object expValue, object[] inputs, string _)
    {
        // Arrange
        // Act
        // Assert
    }
    public static IEnumerable<object[]> TestInputs_BeReady()
    {
        List<string> ITEMS_LIST = new List<string> { "entry_01", "entry_02" };
        List<string> BLANK_LIST = new List<string>();

        return new[]
        {
            new object[] {  true, new object[] { UQID, NAME, ITEMS_LIST }, "All Valid" },
            new object[] { false, new object[] { DPID, NAME, ITEMS_LIST }, "Duplicate ID" },
            new object[] { false, new object[] { BLNK, NAME, ITEMS_LIST }, "Missing ID" },
            new object[] { false, new object[] { UQID, BLNK, ITEMS_LIST }, "Missing Name" },
            new object[] { false, new object[] { UQID, NAME, BLANK_LIST }, "Empty List" },
            new object[] { false, new object[] { UQID, NAME, null }, "Null List" }
        };
    }

uj5u.com热心网友回复：

问题在于GetTestDisplayNames方法。你应该像这样定义它

public static string GetTestDisplayNames(MethodInfo methodInfo, object[] values)
{
    var expected = (bool)values[0];
    var inputs = (object[])values[1];
    
    return $"{methodInfo.Name}({expected}, {inputs.Length})";
}