I'm getting exception on constructing DateOnly variables/fields with AutoFixture.
(constructing of TimeOnly works fine)
AutoFixture.ObjectCreationExceptionWithPath : AutoFixture was unable to create an instance from System.DateOnly because creation unexpectedly failed with exception. Please refer to the inner exception to investigate the root cause of the failure.
AutoFixture, AutoFixture.NUnit3 nugets version: 4.17.0
using AutoFixture;
using AutoFixture.NUnit3;
using NUnit.Framework;
namespace UnitTests
{
[TestFixture]
public class AutoFixtureCreateTests
{
private readonly Fixture fixture = new();
[SetUp]
public void Setup()
{
var date = fixture.Create<DateOnly>(); //fails
var time = fixture.Create<TimeOnly>(); //works fine
}
[Test, AutoData]
public void CreateString(string str) { } //works fine
[Test, AutoData]
public void CreateDateOnly(DateOnly date) { } //fails
[Test, AutoData]
public void CreateTimeOnly(TimeOnly time) { } //works fine
}
}
The answer: at the moment does not.
There is a pull request: https://github.com/AutoFixture/AutoFixture/pull/1305
(however it's in open state almost for a year, without any milestones)
But there is a workaround.
My temporary solution is to create AutoFixture customization (CustomFixture.cs) file and include it to the project:
using AutoFixture;
using AutoFixture.NUnit3;
namespace UnitTests
{
public class CustomFixture
{
public static Fixture Create()
{
var fixture = new Fixture();
fixture.Customize<DateOnly>(composer => composer.FromFactory<DateTime>(DateOnly.FromDateTime));
return fixture;
}
}
public class CustomAutoDataAttribute : AutoDataAttribute
{
public CustomAutoDataAttribute()
: base(()=>CustomFixture.Create())
{}
}
}
After it include customization in the test code:
using AutoFixture;
using AutoFixture.NUnit3;
using NUnit.Framework;
namespace UnitTests
{
[TestFixture]
public class AutoFixtureCreateTests
{
private readonly Fixture fixture =
CustomFixture.Create(); //custom factory
[SetUp]
public void Setup()
{
var date = fixture.Create<DateOnly>(); //now works
var time = fixture.Create<TimeOnly>();
}
[Test, AutoData]
public void CreateString(string str) { }
[Test, CustomAutoData] //custom attribute
public void CreateDateOnly(DateOnly date) { } //now works
[Test, AutoData]
public void CreateTimeOnly(TimeOnly time) { }
}
}
Related
Trying to build integration test with connection to db in ServiceStack.
My ServiceStack app is working fine, but when I run simple test I got this error message in line:22
System.MissingMethodException: 'Method not found: 'Int32 ServiceStack.DataAnnotations.CustomFieldAttribute.get_Order()'.'
There is a lite cod:
using ServiceStack;
using ServiceStack.OrmLite;
using ServiceStack.Data;
using NUnit.Framework;
using ServiceStack.DataAnnotations;
using System.Collections.Generic;
namespace oth.Tests.IntegrationTests
{
public class AppHost2 : AppSelfHostBase
{
public AppHost2() : base("Customer REST Example", typeof(CustomerService).Assembly) { }
public override void Configure(Container container)
{
var connectionString = "Host=localhost;Port=5432;Database=test_1234;Username=postgres;Password=local";
container.Register<IDbConnectionFactory>(c =>
new OrmLiteConnectionFactory(connectionString, PostgreSqlDialect.Provider));
using var db = container.Resolve<IDbConnectionFactory>().Open();
db.CreateTableIfNotExists<Customer>();
}
}
public class Customer
{
[AutoIncrement]
public int Id { get; set; }
public string Name { get; set; }
}
[Route("/customers", "GET")]
public class GetCustomers : IReturn<GetCustomersResponse> { }
public class GetCustomersResponse
{
public List<Customer> Results { get; set; }
}
public class CustomerService : Service
{
public object Get(GetCustomers request)
{
return new GetCustomersResponse { Results = Db.Select<Customer>() };
}
}
public class CustomerRestExample
{
const string BaseUri = "http://localhost:2000/";
ServiceStackHost appHost;
public CustomerRestExample()
{
//Start your AppHost on TestFixture SetUp
appHost = new AppHost2()
.Init()
.Start(BaseUri);
}
[OneTimeTearDown]
public void OneTimeTearDown() => appHost.Dispose();
/* Write your Integration Tests against the self-host instance */
[Test]
public void Run_Customer_REST_Example()
{
var client = new JsonServiceClient(BaseUri);
var all = client.Get(new GetCustomers());
Assert.That(all.Results.Count, Is.EqualTo(0));
}
}
}
Anytime you see a missing type or missing method exceptions when using the MyGet pre-release packages it means you have a dirty installation (i.e. using pre-release packages from different build times).
In which case you'd need to Clear your Nuget packages cache and download the latest packages again, which ensures all your packages are from the latest same build:
$ dotnet nuget locals all -clear
I'm trying to make an unit test for a logger in an application.
For example I need to test the method Logger.info("some message"), but this method is static and return void.
Searching on Google I understand that I have to use Moq but am unable to implement that on the UnitTest class.
The Logger constructor does not have an argument and in x.Debug I have an error that says that I can't access
from instance reference.
Is there a way to implement UnitTest without editing the production code?
[TestClass()]
public class LoggerTests
{
[TestMethod()]
public void DebugTest()
{
var mock = new Mock<Logger>();
mock.Setup(x => x.Debug(It.IsAny<string>());
new Logger(mock.Object).AddLog("testing");
mock.VerifyAll;
}
}
Program.cs
private static void ConfigureLogger()
{
Logger.AddLog(new NLogAppender());
Logger.Level = TraceLevel.Verbose;
Logger.Info("Configured Logger");
}
Logger.cs
public class Logger
{
public static readonly List<IAppender> loggings = new List<IAppender>();
public static void AddLog(IAppender appender)
{
loggings.Add(appender);
}
public static TraceLevel Level { get; set; }
static Logger()
{
Level = TraceLevel.Verbose;
}
public static void Info(string message)
{
LogMessage(message);
}
}
NlogAppender.cs
public class NLogAppender : IAppender
{
public NLog.Logger logger;
public NLogAppender()
{
logger = LogManager.GetLogger(nameof(NLogAppender));
}
public void AddLog(string str)
{
}
}
IAppender.cs
public interface IAppender
{
void AddLog(string str);
}
You can't mock a static class, and you shouldn't mock the class/system under test.
Add a mock appender to the logger:
// Arrange
var logString = "test-info"
var appenderMock = new Mock<IAppender>();
appenderMock.Setup(a => a.AddLog(logString));
Logger.AddLog(appenderMock.Object);
// Act
Logger.Info(logString);
// Assert
// TODO: exactly once
appenderMock.VerifyAll();
Note this static class may persist data between tests causing unexpected results, consult your test framework for configuring this.
Apart from that, you usually don't want to roll your own logging infrastructure, there's lots of things you can do wrong and why reinvent the wheel? Plenty of ILogger(<T>) implementations around.
Question is probably really trivial but I cannot handle it in proper way. I'm using Selenium with NUnit, having two clases:
1) "DemoTest" which involves one simply test "DummyTest":
public class DemoTest : TestBase
{
public class RunTest
{
[Test, Category("Main-Tests"), Order(1)]
public void DummyTest()
{
}
}
}
2) "Test base" class where I want to place all of the NUnit/ driver attributes like: "SetUp" / "TearDown"
[TestFixture]
public class TestBase
{
public IWebDriver driver;
public IWebDriver Driver
{
get { return driver; }
set { driver = value; }
}
public string pageURL = "http://automationpractice.com/";
[SetUp]
public void SetUp()
{
driver = new ChromeDriver();
driver.Manage().Timeouts().PageLoad = TimeSpan.FromSeconds(15);
driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(0);
driver.Navigate().GoToUrl(pageURL);
}
[TearDown]
public void TearDown()
{
driver.Close();
driver.Dispose();
}
}
}
As NUnit attributes are declared (SetUp section) my test from DemoTest class should at least move on the page under pageURL variable.
Result is that after running a test it's immediately jump on "passed" without opening the specified address.
"DemoTest" inherits from "Test base" class. Nuget packages are installed correctly. When I'm placing test inside the "Test base" class everything works correctly but I want to have it separated.
Try to fix DemoTest class as follows:
[TestFixture]
public class DemoTest : TestBase
{
[Test, Category("Main-Tests"), Order(1)]
public void DummyTest()
{
}
}
I am using MsTest V2 framewrok for my tests.
I have Test automation framework (TAF) project and project with tests.
Tests project inherited from TAF and contains only tests.
In TAF i have a class which contains method which should run before all tests but it doesnt work at all.
By the way BeforeTest method works fine.
public class TestBase
{
[AssemblyInitialize]
public static void BeforeClass(TestContext tc)
{
Console.WriteLine("Before all tests");
}
[TestInitialize]
public void BeforeTest()
{
Console.WriteLine("Before each test");
}
}
[TestClass]
public class FirstTest : TestBase
{
[TestMethod]
public void FailedTest()
{
Assert.IsTrue(false,"ASDASDASD");
}
}
If I put "AssemblyInitialize" method to tests projects then it work.
What am I doing wrong?
Just put [TestClass] onto your TestBase:
[TestClass]
public class TestBase
{
[AssemblyInitialize]
public static void BeforeClass(TestContext tc)
{
Console.WriteLine("Before all tests");
}
[TestInitialize]
public void BeforeTest()
{
Console.WriteLine("Before each test");
}
}
I am writing integration tests for ServiceStack with in-memory database and I ran into this exception: "System.IO.InvalidDataException ServiceStackHost.Instance has already been set" while trying to run multiple test classes together, each having its own AppHostHttpListenerBase. However, if I ran the test classes one at a time, it ran and passed without problems. One reason for having multiple classes is because I want to test the AppHost with different services/dependencies registered and also to group my tests logically. Below is a general snippet of my tests. I would like to be able run all the test at one go.
public class TestClassOne : IDisposable
{
string _endPoint = "http://localhost:54321/";
AppHostHttpListenerBase _appHost;
IDbConnectionFactory _dbConn = new OrmLiteConnectionFactory(":memory:", SqliteDialect.Provider);
public TestClassOne()
{
_appHost = new UnitTestAppHost(_dbConn, ...){};
_appHost.Init().Start(_endPoint);
}
[Fact]
public void Test()
{
...
using(var db = _dbConn.Open())
{
Assert.True(...);
}
}
public void Dispose()
{
_appHost.Dispose();
_appHost = null;
}
}
public class TestClassTwo : IDisposable
{
string _endPoint = "http://localhost:54321/";
AppHostHttpListenerBase _appHost;
IDbConnectionFactory _dbConn = new OrmLiteConnectionFactory(":memory:", SqliteDialect.Provider);
public TestClassTwo()
{
_appHost = new UnitTestAppHost(...){};
_appHost.Init().Start(_endPoint);
}
[Fact]
public void Test()
{
...
using(var db = _dbConn.Open())
{
Assert.True(...);
}
}
public void Dispose()
{
_appHost.Dispose();
_appHost = null;
}
}
I have tried running on another AppDomain, but it doesn't seems to be what I am looking for I think, because I need to do some Asserts on IDbConnection in the current running AppDomain (?), if that make any sense. Any suggestions on how I should be doing it? I'm using xUnit and Resharper's test runner btw.
I ended up fixing this by creating an AppHostSetupFixture class with a public static AppHost variable. Create a [SetUp] method that initializes your app host and a [TearDown] method that disposes it. Use AppHostSetupFixture.AppHost in your test classes.
[SetUpFixture]
public class AppHostSetupFixture
{
public static ServiceStackHost AppHost;
[SetUp]
public void Setup()
{
AppHost = new BasicAppHost(typeof(FeatureService).Assembly)
{
ConfigureContainer = container =>
{
var l = new List<string>();
l.Add(ConfigurationManager.ConnectionStrings["Redis"].ConnectionString);
container.Register<IRedisClientsManager>(c => new RedisManagerPool(l, new RedisPoolConfig() { MaxPoolSize = 40 }));
}
}
.Init();
}
[TearDown]
public void TearDown()
{
AppHost.Dispose();
}
}
This error is a result of trying to run multiple AppHosts per AppDomain. Each ServiceStack AppHost is a singleton and only allows a single AppHost per AppDomain.