moq - 模拟获取覆盖方法使 xUnit.NET 中的另一个测试失败
问题描述
我有两个使用 xUnit 框架的测试:
private IRepo myRepo;
public MyTests() { myRepo = Mock.Of<IRepo>(); ... }
[Fact]
public async void NoTenantTest()
{
var validJson = GetValidJson();
Mock.Get(myRepo).Setup(t => t.FindByIdAsync(It.IsAny<string>())).Returns(Task.FromResult(null as MyObject));
var request = TestFactory.CreateHttpRequest(new Dictionary<string, string> { { "tenant", "abc" } }, "https://test.com", validJson);
var ex = await Assert.ThrowsAsync<Exception>(() => myAzureFunc.Run(request, mLog, mCtx));
Assert.Equal("FindByIdAsync(abc) returned null", ex.Message, true);
}
[Fact]
public async void NoCompanyTest()
{
var validJson = GetValidJson();
Mock.Get(myRepo).Setup(t => t.FindByIdAsync(It.IsAny<string>())).Returns(Task.FromResult(new MyObject()));
...
Mock.Get(myManager).Setup(w => w.GetIdAsync(It.IsAny<MyObject>()).Returns(Task.FromResult(null as string));
var request = TestFactory.CreateHttpRequest(new Dictionary<string, string> { { "tenant", "abc" } }, "https://test.com", validJson);
var ex = await Assert.ThrowsAsync<Exception>(() => mPaymentWebhook.Run(request, mLog, mCtx));
Assert.Equal("No item found for abc", ex.Message, true);
}
似乎 xUnit 按字母顺序执行测试。并且不知何故Setup
fromMock.Get(myRepo)
没有被覆盖然后NoTenantTest
失败(我收到另一条错误消息)
如何创建 IRepo 对象的新实例以避免我的情况?
如果我单独执行测试,它会起作用,如果我全部运行,那么它会失败。
解决方案
在单独的测试方法中创建它们(模拟),而不是作为在构造函数中初始化的共享资源。
此外,如果测试是异步的,请使用async Task
而不是async void
[Fact]
public async Task NoTenantTest() {
var validJson = GetValidJson();
IRepo myRepo = Mock.Of<IRepo>();
Mock.Get(myRepo)
.Setup(t => t.FindByIdAsync(It.IsAny<string>()))
.Returns(Task.FromResult(null as MyObject));
var request = TestFactory.CreateHttpRequest(new Dictionary<string, string> { { "tenant", "abc" } }, "https://test.com", validJson);
var ex = await Assert.ThrowsAsync<Exception>(() => myAzureFunc.Run(request, mLog, mCtx));
Assert.Equal("FindByIdAsync(abc) returned null", ex.Message, true);
}
[Fact]
public async Task NoCompanyTest() {
var validJson = GetValidJson();
IRepo myRepo = Mock.Of<IRepo>();
Mock.Get(myRepo)
.Setup(t => t.FindByIdAsync(It.IsAny<string>()))
.Returns(Task.FromResult(new MyObject()));
...
Mock.Get(myManager)
.Setup(w => w.GetIdAsync(It.IsAny<MyObject>())
.Returns(Task.FromResult(null as string));
var request = TestFactory.CreateHttpRequest(new Dictionary<string, string> { { "tenant", "abc" } }, "https://test.com", validJson);
var ex = await Assert.ThrowsAsync<Exception>(() => mPaymentWebhook.Run(request, mLog, mCtx));
Assert.Equal("No item found for abc", ex.Message, true);
}
推荐阅读
- javascript - Safari - 按箭头键导航画廊时出现错误声音
- google-bigquery - 更改我的 BigQuery 表的名称(从 Stackdriver 导出)
- c# - 异常 AutoMapper.AutoMapperMappingException
- flutter - Flare Flutter 动画
- apache-camel - XA 事务中 MQ 的 JMS pub/sub(使用 Camel)性能问题
- multithreading - gui程序的进程与线程
- uwp - 在 Windows 10 Kiosk 模式下将 TeamViewer 嵌入 UWP 应用程序
- python - 每次在浏览器中重新加载烧瓶应用程序的网页时,如何让网页抓取烧瓶应用程序显示新的网页抓取结果?
- android - SharedPreferences 在 Fragment (Android) 中显示 null
- python-3.x - 如何将 Mongo 数据(复杂数据)加载到 pyspark 数据框中?