标签:assert Exception exception profiles Assert ProfileRepository act using
Assert an Exception using XUnit
回答1
The Assert.Throws expression will catch the exception and assert the type. You are however calling the method under test outside of the assert expression and thus failing the test case.
[Fact]
public void ProfileRepository_GetSettingsForUserIDWithInvalidArguments_ThrowsArgumentException()
{
//arrange
ProfileRepository profiles = new ProfileRepository();
// act & assert
Assert.Throws<ArgumentException>(() => profiles.GetSettingsForUserID(""));
}
If bent on following AAA you can extract the action into its own variable.
[Fact]
public void ProfileRepository_GetSettingsForUserIDWithInvalidArguments_ThrowsArgumentException()
{
//arrange
ProfileRepository profiles = new ProfileRepository();
//act
Action act = () => profiles.GetSettingsForUserID("");
//assert
ArgumentException exception = Assert.Throws<ArgumentException>(act);
//The thrown exception can be used for even more detailed assertions.
Assert.Equal("expected error message here", exception.Message);
}
Note how the exception can also be used for more detailed assertions
If testing asynchronously, Assert.ThrowsAsync follows similarly to the previously given example, except that the assertion should be awaited,
public async Task Some_Async_Test() {
//...
//Act
Func<Task> act = () => subject.SomeMethodAsync();
//Assert
var exception = await Assert.ThrowsAsync<InvalidOperationException>(act);
//...
}
回答2
标签:assert,Exception,exception,profiles,Assert,ProfileRepository,act,using 来源: https://www.cnblogs.com/chucklu/p/15573732.html
本站声明: 1. iCode9 技术分享网(下文简称本站)提供的所有内容,仅供技术学习、探讨和分享; 2. 关于本站的所有留言、评论、转载及引用,纯属内容发起人的个人观点,与本站观点和立场无关; 3. 关于本站的所有言论和文字,纯属内容发起人的个人观点,与本站观点和立场无关; 4. 本站文章均是网友提供,不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属;如您发现该文章侵犯了您的权益,可联系我们第一时间进行删除; 5. 本站为非盈利性的个人网站,所有内容不会用来进行牟利,也不会利用任何形式的广告来间接获益,纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。