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- Add .github files.
- Add unit tests for chain class.
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‎.github/FUNDING.yml

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github: CodingFlow

‎.github/dependabot.yml

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version: 2
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updates:
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- package-ecosystem: "nuget"
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directory: "/"
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schedule:
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interval: "weekly"

‎.github/workflows/pull-request.yml

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name: pull-request-unit-tests
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run-name: Unit tests
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on: [push]
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jobs:
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build:
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name: Unit tests
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runs-on: ubuntu-latest
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strategy:
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matrix:
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dotnet-version: ["8.0.x"]
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steps:
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- uses: actions/checkout@v3
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- name: Setup .NET Core SDK ${{ matrix.dotnet-version }}
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uses: actions/setup-dotnet@v3
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with:
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dotnet-version: ${{ matrix.dotnet-version }}
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- name: Install dependencies
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run: dotnet restore
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- name: Build
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run: dotnet build --configuration Release --no-restore
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- name: Test
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run: dotnet test --no-restore --verbosity normal

‎LightChain.UnitTests/ChainTests.cs

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using NSubstitute;
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using NSubstitute.ReceivedExtensions;
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namespace LightChain.UnitTests;
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public class ChainTests
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{
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private List<IProcessor<Input, string>> processors;
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private Chain<IProcessor<Input, string>, Input, string> chain;
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[SetUp]
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public void Setup() {
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processors = new List<IProcessor<Input, string>> {
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Substitute.For<IProcessor<Input, string>>(),
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Substitute.For<IProcessor<Input, string>>()
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};
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chain = new Chain<IProcessor<Input, string>, Input, string>(processors);
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}
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[Test]
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public void Processor_First_Called_Successfully() {
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processors.First().Condition(null).ReturnsForAnyArgs(true);
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processors.First().Process(null).ReturnsForAnyArgs("some value");
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var input = new Input
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{
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Value = "some value"
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};
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var result = chain.Run(input);
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Assert.That(result, Is.EqualTo("some value"));
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processors.First().Received(1).Condition(input);
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processors.First().Received(1).Process(input);
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}
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[Test]
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public void Processor_Second_Called_Successfully() {
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processors.First().Condition(null).ReturnsForAnyArgs(false);
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processors.First().Process(null).ReturnsForAnyArgs("first value");
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processors.ElementAt(1).Condition(null).ReturnsForAnyArgs(true);
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processors.ElementAt(1).Process(null).ReturnsForAnyArgs("second value");
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var input = new Input
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{
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Value = "some value"
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};
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var result = chain.Run(input);
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Assert.That(result, Is.EqualTo("second value"));
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processors.First().Received(1).Condition(input);
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processors.First().DidNotReceive().Process(Arg.Any<Input>());
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processors.ElementAt(1).Received(1).Condition(input);
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processors.ElementAt(1).Received(1).Process(input);
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}
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public class Input
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{
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public string Value { get; set; }
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}
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}

‎LightChain.UnitTests/LightChain.UnitTests.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<IsPackable>false</IsPackable>
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<IsTestProject>true</IsTestProject>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="coverlet.collector" Version="6.0.0" />
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<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
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<PackageReference Include="NSubstitute" Version="5.1.0" />
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<PackageReference Include="NSubstitute.Analyzers.CSharp" Version="1.0.17">
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<PrivateAssets>all</PrivateAssets>
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<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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</PackageReference>
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<PackageReference Include="NUnit" Version="3.14.0" />
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<PackageReference Include="NUnit.Analyzers" Version="3.9.0" />
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<PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\LightChain\LightChain.csproj" />
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</ItemGroup>
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<ItemGroup>
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<Using Include="NUnit.Framework" />
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</ItemGroup>
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</Project>

‎LightChain.sln

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EndProject
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LightChain", "LightChain\LightChain.csproj", "{F8234EC4-E3F3-4810-8F43-C049F0111E57}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LightChain.UnitTests", "LightChain.UnitTests\LightChain.UnitTests.csproj", "{51E06062-8E93-4849-BCC0-4CCFF756256A}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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{F8234EC4-E3F3-4810-8F43-C049F0111E57}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{F8234EC4-E3F3-4810-8F43-C049F0111E57}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{F8234EC4-E3F3-4810-8F43-C049F0111E57}.Release|Any CPU.Build.0 = Release|Any CPU
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{51E06062-8E93-4849-BCC0-4CCFF756256A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{51E06062-8E93-4849-BCC0-4CCFF756256A}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{51E06062-8E93-4849-BCC0-4CCFF756256A}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{51E06062-8E93-4849-BCC0-4CCFF756256A}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE

‎LightChain/IChain.cs

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/// </summary>
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/// <param name="input">Input passed to processors.</param>
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/// <returns>Output of processor able to handle input.</returns>
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TOutput Run(TInput input);
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public TOutput Run(TInput input);
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}

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