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https://github.com/heleonix/heleonix.testing

The library for writing tests in BDD and AAA styles
https://github.com/heleonix/heleonix.testing

aaa arrange-act-assert bdd behavior-driven-development heleonix nunit tdd test test-driven-development

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The library for writing tests in BDD and AAA styles

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# Heleonix.Testing

[![Release: .NET / NuGet](https://github.com/Heleonix/Heleonix.Testing/actions/workflows/release-net-nuget.yml/badge.svg)](https://github.com/Heleonix/Heleonix.Testing/actions/workflows/release-net-nuget.yml)

The library for writing tests in BDD and AAA styles

## Install
https://www.nuget.org/packages/Heleonix.Testing.NUnit

## AAA: Arrange Act Assert

### Structure
```csharp
using global::NUnit.Framework;
using Heleonix.Testing.NUnit.Aaa;
using static Heleonix.Testing.NUnit.Aaa.AaaSpec;

///
/// Tests the .
///
[ComponentTest(Type = typeof(MyComponent))]
public static class MyComponentTests
{
///
/// Tests the .
///
[MemberTest(Name = nameof(MyComponent.Member1))]
public static void Member1()
{
Arrange(() =>
{
});

Act(() =>
{
});

Teardown(() =>
{
});

When("the condition #1 is true", () =>
{
Arrange(() =>
{
});

Act(() =>
{
});

Teardown(() =>
{
});

Should("lead to the result #1", () =>
{
});
});

When("the condition #2 is true", () =>
{
Arrange(() =>
{
});

Act(() =>
{
});

Teardown(() =>
{
});

Should("lead to the result #2", () =>
{
});
});
}

///
/// Tests the .
///
[MemberTest(Name = nameof(MyComponent.Member2))]
public static void Member2()
{
Arrange(() =>
{
});

Act(() =>
{
});

Teardown(() =>
{
});

When("the action #1 is executed", () =>
{
Arrange(() =>
{
});

Act(() =>
{
});

Teardown(() =>
{
});

Should("lead to the result #1", () =>
{
Assert.Fail();
});

And("the condition #1 is true", () =>
{
Arrange(() =>
{
});

Act(() =>
{
});

Teardown(() =>
{
});

Should("lead to the result #2", () =>
{
});
});
});
}
}
```

### Tests Output

![AAA](https://raw.githubusercontent.com/Heleonix/docs/master/Heleonix.Testing/images/AAA.png)

## BDD: Behavior Driven Development

### Structure
```csharp
using global::NUnit.Framework;
using Heleonix.Testing.NUnit.Bdd;
using static Heleonix.Testing.NUnit.Bdd.BddSpec;

///
/// Tests the TheCoolStory.
///
[Feature(Name = "The Cool Feature")]
OR
[Story(
Id = "111",
Summary = "The cool story",
AsA = "Product owner",
IWant = "a cool story",
SoThat = "I earn a lot of money")]
public static class TheCoolStory
{
///
/// Tests the Scenario.
///
[Scenario(Name = "Earn a lot of money in the story")]
public static void Scenario()
{
Given("the precondition #1", () =>
{
BeforeEach(() => { });

AfterEach(() => { });

When("the action #1 is executed", () =>
{
BeforeEach(() => { });

AfterEach(() => { });

Then("the result #1 happens", () => { });

And("the condition #1 is true", () =>
{
BeforeEach(() => { });

AfterEach(() => { });

Then("the result #2 happens", () => { Assert.Fail(); });
});
});

And("condition #2 is true", () =>
{
BeforeEach(() => { });

AfterEach(() => { });

When("the action #2 is executed", () =>
{
BeforeEach(() => { });

AfterEach(() => { });

Then("the result #3 happens", () => { });

And("the condition #3 is true", () =>
{
BeforeEach(() => { });

AfterEach(() => { });

Then("the result #4 happens", () => { });
});
});
});
});
}
}
```

### Tests Output

![BDD](https://raw.githubusercontent.com/Heleonix/docs/master/Heleonix.Testing/images/BDD.png)

## Contribution Guideline

1. [Create a fork](https://github.com/Heleonix/Heleonix.Testing/fork) from the main repository
2. Implement whatever is needed
3. [Create a Pull Request](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request-from-a-fork).
Make sure the assigned [Checks](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/collaborating-on-repositories-with-code-quality-features/about-status-checks#checks) pass successfully.
You can watch the progress in the [PR: .NET](https://github.com/Heleonix/Heleonix.Testing/actions/workflows/pr-net.yml) GitHub workflows
4. [Request review](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/requesting-a-pull-request-review) from the code owner
5. Once approved, merge your Pull Request via [Squash and merge](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/incorporating-changes-from-a-pull-request/about-pull-request-merges#squash-and-merge-your-commits)

> **IMPORTANT**
> While merging, enter a [Conventional Commits](https://www.conventionalcommits.org/) commit message.
> This commit message will be used in automatically generated [Github Release Notes](https://github.com/Heleonix/Heleonix.Testing/releases)
> and [NuGet Release Notes](https://www.nuget.org/packages/Heleonix.Testing/#releasenotes-body-tab)

6. Monitor the [Release: .NET / NuGet](https://github.com/Heleonix/Heleonix.Testing/actions/workflows/release-net-nuget.yml)
GitHub workflow to make sure your changes are delivered successfully
7. In case of any issues, please contact [heleonix.sln@gmail.com](mailto:heleonix.sln@gmail.com)