Moq
AutoFixture
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Moq | AutoFixture | |
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26 | 11 | |
5,215 | 3,219 | |
- | 0.7% | |
6.6 | 4.9 | |
10 months ago | 11 days ago | |
C# | C# | |
GNU General Public License v3.0 or later | MIT License |
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Moq
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Setting up a simple testing project with C#
In terms of mocking there are several frameworks you can use, but I've mainly relied on Moq and NSubstitute. Within this demo, I'm going to use NSubstitute as I've found it a little easier to use.
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What if writing tests was a joyful experience
Or you just run into bullshit like https://github.com/Moq/moq4/issues/173
- Moq.NET Mocking framework [C#]
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Dependency injection
Now to the real benefit of DI: If you are testing a method in your application that calls the ReservationRepository.GetReservation() method, you can use a library like Moq to simply "mock" a class that uses the IReservationRepository interface and define the return result of the GetReservation() method. Pass the mocked class into the constructor of the class you are testing.
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Usefully links for DotNet Backend Developers
MOQ https://github.com/moq/moq4
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I need a C# crash course for experienced developers
Moq
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A Tale of 2 Codebases (Part 2 of 4): Testability
Both projects use similar testing infrastructure. I write unit tests in C# using XUnit.net. I frequently use mock objects in testing, and MOQ is my tool of choice. I utilize continuous testing and coverage analysis through Rider. I do not have specific objectives for code coverage. When writing complicated algorithms, I frequently shoot for 100% coverage of the algorithm. I test simple properties inconsistently, and frequently do not test guard clauses.
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Moq vs NSubstitute: syntax cheat sheet
🔗 Moq documentation | GitHub
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What's your go-to unit testing tool?
But the reality is that I don't really write my tests with it. Toss on the MSTest attributes as needed of course. But all the testing code itself is FluentAssertions with a bit of Moq. (Though I find rarely need to use Moq/mocking anymore -- scandalous, I know.)
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How YOU can Learn Mock testing in .NET Core and C# with Moq
Moq tutorial
AutoFixture
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API: Go, .NET, Rust
Yes, it does feel like some of the "standard stuff" in other more nuanced languages are missing (especially miss AutoFixture ngl). Some of those are a conscious decison by the golang team for example.
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Integration Testing Postgres Store
Our first test is very easy, I like to name my tests as MethodName_GivenCondition_ShouldExpectedResult to follow the pattern, I have added GetById_GivenRecordDoesNotExist_ShouldReturnNull and I am going to leavarage excellent AutoFixture to get a new Guid as parameter. For this test we don't need arrange part, we would skip to the act and then assert. For Assertion I am going to use FluentAssertions. For this test we need to assert the returned result is null.
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Setting up a simple testing project with C#
The next test to talk about, is that if this was a bank, we would have multiple customers, who can hold multiple accounts that we need to calculate the interest for. You could manually construct these objects if you want, but I'm going to use a package called AutoFixture to make life easier.
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AutoFixture Tips and Tricks
AutoFixture is an amazing library that simplifies the process of creating test data in .NET. If for some reason you don't use this fantastic tool, it's time to consider it. Today, I'm going to share some tips for using AutoFixture that will be beneficial for developers of all skill levels. Let's get started!
- Integration tests without API dependencies with ASP.NET Core and WireMock.Net
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I need a C# crash course for experienced developers
AutoFixture
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Reduce your tests cognitive complexity with AutoFixture
Ensuring that your test is still readable and not bloated by the setup of those variables may be quite a challenge but hopefully no more with AutoFixture, let's see how!
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Practical complex data for unit testing
One neat library for creating and generating test data is AutoFixture. The creators describe it as follows:
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14 .NET packages I always recommend
First time I heard of Bogus, looks interesting, been using AutoFixture for those will definitely take a look at it.
- LPT: There is a library called Bogus, you should know it exists much earlier than I did in my career.
What are some alternatives?
FakeItEasy - The easy mocking library for .NET
Bogus - :card_index: A simple fake data generator for C#, F#, and VB.NET. Based on and ported from the famed faker.js.
NSubstitute - A friendly substitute for .NET mocking libraries.
AutoMoq - Auto mocking provider for Moq.
NBuilder - Rapid generation of test objects in .NET
Fluent Assertions - A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.7, as well as .NET Core 2.1, .NET Core 3.0, .NET 6, .NET Standard 2.0 and 2.1. Supports the unit test frameworks MSTest2, NUnit3, XUnit2, MSpec, and NSpec3.
FsCheck - Random Testing for .NET
xUnit - xUnit.net is a free, open source, community-focused unit testing tool for .NET.
MSTest - MSTest framework and adapter