Add initial implementation (#1)

.gitignore

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+*.swp
+*.*~
+project.lock.json
+.DS_Store
+*.pyc
+nupkg/
+
+# Visual Studio Code
+.vscode
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# Build results
+[Dd]ebug/
+[Rr]elease/
+[Bb]in/
+[Oo]bj/
+[Oo]ut/
+msbuild.log
+msbuild.err
+msbuild.wrn
+
+# Visual Studio 2015
+.vs/

LICENSE

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+MIT License
+
+Copyright (c) Solid Token (https://www.solidtoken.nl)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

SpecFlow.DependencyInjection.Tests/DependencyInjectionPlugin.feature

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+Feature: DependencyInjectionPlugin
+	As a developer I want to verify
+	that the DependencyInjectionPlugin
+	allows me to use Microsoft.Extensions.DependencyInjection
+
+Scenario: Test service injection
+	Then verify that TestService is correctly injected

SpecFlow.DependencyInjection.Tests/DependencyInjectionPluginSteps.cs

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+using TechTalk.SpecFlow;
+using Xunit;
+
+namespace SolidToken.SpecFlow.DependencyInjection.Tests
+{
+	[Binding]
+	public class DependencyInjectionPluginSteps
+	{
+		private readonly ITestService testService;
+
+		public DependencyInjectionPluginSteps(ITestService testService)
+		{
+			this.testService = testService;
+		}
+
+		[Then(@"verify that TestService is correctly injected")]
+		public void ThenVerifyThatTestServiceIsCorrectlyInjected()
+		{
+			Assert.True(testService.Verify());
+		}
+	}
+
+	public interface ITestService
+	{
+		bool Verify();
+	}
+
+	public class TestService : ITestService
+	{
+		public bool Verify()
+		{
+			return true;
+		}
+	}
+}

SpecFlow.DependencyInjection.Tests/SpecFlow.DependencyInjection.Tests.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <IsPackable>false</IsPackable>
+    <RootNamespace>SolidToken.SpecFlow.DependencyInjection.Tests</RootNamespace>
+    <AssemblyName>SolidToken.SpecFlow.DependencyInjection.Tests</AssemblyName>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="GitVersionTask" Version="4.0.1-beta1-65">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.2.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.2.0" />
+    <PackageReference Include="SpecFlow" Version="3.0.224" />
+    <PackageReference Include="SpecFlow.Tools.MsBuild.Generation" Version="3.0.224" />
+    <PackageReference Include="SpecFlow.xUnit" Version="3.0.224" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\SpecFlow.DependencyInjection\SpecFlow.DependencyInjection.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Compile Update="DependencyInjectionPlugin.feature.cs">
+      <DesignTime>True</DesignTime>
+      <AutoGen>True</AutoGen>
+      <DependentUpon>DependencyInjectionPlugin.feature</DependentUpon>
+    </Compile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="DependencyInjectionPlugin.feature">
+      <Generator>SpecFlowSingleFileGenerator</Generator>
+    </None>
+  </ItemGroup>
+
+</Project>

SpecFlow.DependencyInjection.Tests/TestDependencies.cs

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+using System;
+using System.Linq;
+using Microsoft.Extensions.DependencyInjection;
+using TechTalk.SpecFlow;
+
+namespace SolidToken.SpecFlow.DependencyInjection.Tests
+{
+	public static class TestDependencies
+	{
+		[ScenarioDependencies]
+		public static IServiceCollection CreateServices()
+		{
+			var services = new ServiceCollection();
+
+			// Add test dependencies
+			services.AddTransient<ITestService, TestService>();
+
+			// NOTE: This line is essential so that Microsoft.Extensions.DependencyInjection knows
+			// about the SpecFlow bindings (something normally BoDi does automatically).
+			// TODO: Find out if we can make this part of the Plugin
+			foreach (var type in typeof(TestDependencies).Assembly.GetTypes().Where(t => Attribute.IsDefined(t, typeof(BindingAttribute))))
+			{
+				services.AddSingleton(type);
+			}
+
+			return services;
+		}
+	}
+}

SpecFlow.DependencyInjection.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28307.705
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SpecFlow.DependencyInjection", "SpecFlow.DependencyInjection\SpecFlow.DependencyInjection.csproj", "{CACF906A-7230-4E37-984C-739AB1620995}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{F6B4EBE9-9995-403D-BC3F-AD26CD6E960F}"
+	ProjectSection(SolutionItems) = preProject
+		.gitignore = .gitignore
+		LICENSE = LICENSE
+		README.md = README.md
+	EndProjectSection
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SpecFlow.DependencyInjection.Tests", "SpecFlow.DependencyInjection.Tests\SpecFlow.DependencyInjection.Tests.csproj", "{927C1595-C4EB-4F05-91A7-D2B519B68076}"
+	ProjectSection(ProjectDependencies) = postProject
+		{CACF906A-7230-4E37-984C-739AB1620995} = {CACF906A-7230-4E37-984C-739AB1620995}
+	EndProjectSection
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{CACF906A-7230-4E37-984C-739AB1620995}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CACF906A-7230-4E37-984C-739AB1620995}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CACF906A-7230-4E37-984C-739AB1620995}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CACF906A-7230-4E37-984C-739AB1620995}.Release|Any CPU.Build.0 = Release|Any CPU
+		{927C1595-C4EB-4F05-91A7-D2B519B68076}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{927C1595-C4EB-4F05-91A7-D2B519B68076}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{927C1595-C4EB-4F05-91A7-D2B519B68076}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{927C1595-C4EB-4F05-91A7-D2B519B68076}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {CF1B75FE-E67E-486F-9B92-BDBAD9A8B86A}
+	EndGlobalSection
+EndGlobal

SpecFlow.DependencyInjection/BindingRegistryExtensions.cs

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+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using TechTalk.SpecFlow.Bindings;
+using TechTalk.SpecFlow.Bindings.Reflection;
+
+namespace SolidToken.SpecFlow.DependencyInjection
+{
+	public static class BindingRegistryExtensions
+	{
+		public static IEnumerable<IBindingType> GetBindingTypes(this IBindingRegistry bindingRegistry)
+		{
+			return bindingRegistry.GetStepDefinitions().Cast<IBinding>()
+				.Concat(bindingRegistry.GetHooks().Cast<IBinding>())
+				.Concat(bindingRegistry.GetStepTransformations())
+				.Select(b => b.Method.Type)
+				.Distinct();
+		}
+
+		public static IEnumerable<Assembly> GetBindingAssemblies(this IBindingRegistry bindingRegistry)
+		{
+			return bindingRegistry.GetBindingTypes().OfType<RuntimeBindingType>()
+				.Select(t => t.Type.Assembly)
+				.Distinct();
+		}
+	}
+}