Proposed solution for the BerlinClock

.vs/ProjectSettings.json

@@ -0,0 +1,3 @@
+{
+  "CurrentProjectSetting": null
+}

.vs/VSWorkspaceState.json

@@ -0,0 +1,8 @@
+{
+  "ExpandedNodes": [
+    "",
+    "\\Classes"
+  ],
+  "SelectedNode": "\\BerlinClock.sln",
+  "PreviewInSolutionExplorer": false
+}

BDD/BerlinClockFeatureSteps.cs

@@ -1,7 +1,6 @@
 using System;
 using TechTalk.SpecFlow;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
-using System.Linq;
 
 namespace BerlinClock
 {
@@ -21,7 +20,7 @@ public void WhenTheTimeIs(string time)
         [Then(@"the clock should look like")]
         public void ThenTheClockShouldLookLike(string theExpectedBerlinClockOutput)
         {
-            Assert.AreEqual(berlinClock.convertTime(theTime), theExpectedBerlinClockOutput);
+            Assert.AreEqual(theExpectedBerlinClockOutput, berlinClock.convertTime(theTime));
         }
 
     }

BerlinClock.csproj

@@ -50,6 +50,8 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="BDD\BerlinClockFeatureSteps.cs" />
+    <Compile Include="Classes\BerlinClockImpl.cs" />
+    <Compile Include="Classes\ITimeFormat.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="BDD\BerlinClockFeatureSteps.feature.cs">
       <AutoGen>True</AutoGen>

BerlinClock.sln

@@ -1,10 +1,12 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 2013
-VisualStudioVersion = 12.0.21005.1
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29609.76
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BerlinClock", "BerlinClock.csproj", "{0451204D-BF86-43E1-B560-FC9AC830B9A9}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BerlinClockUnitTests", "BerlinClockUnitTests\BerlinClockUnitTests.csproj", "{EA813377-BCE1-493E-B513-C14A9C99838B}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,8 +17,15 @@ Global
 		{0451204D-BF86-43E1-B560-FC9AC830B9A9}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{0451204D-BF86-43E1-B560-FC9AC830B9A9}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{0451204D-BF86-43E1-B560-FC9AC830B9A9}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EA813377-BCE1-493E-B513-C14A9C99838B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EA813377-BCE1-493E-B513-C14A9C99838B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EA813377-BCE1-493E-B513-C14A9C99838B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EA813377-BCE1-493E-B513-C14A9C99838B}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {B88CF40C-E3CA-49EB-AAC1-9CB7836BA300}
+	EndGlobalSection
 EndGlobal

BerlinClockUnitTests/BerlinClockTest.cs

@@ -0,0 +1,143 @@
+using System;
+using BerlinClock.Classes;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace BerlinClock.UnitTests
+{
+    [TestClass]
+    public class BerlinClockImplTest
+    {
+        [TestMethod]
+        public void TestFistRowOfLampsIsLit()
+        {
+            //Test if first row lamp is switched off
+            string aTime = "13:00:01";
+
+            BerlinClockImpl clock = new BerlinClockImpl(aTime);
+
+            Assert.AreEqual("O", clock.FirstRow());
+        }
+
+        [TestMethod]
+        public void TestFistRowOfLampsIsOff()
+        {
+            //Test if first row lamp is switched on
+            string aTime = "13:00:02";
+
+            BerlinClockImpl clock = new BerlinClockImpl(aTime);
+
+            Assert.AreEqual("Y", clock.FirstRow());
+        }
+
+        [TestMethod]
+        public void TestSecondRowOfLampsIsLit()
+        {
+            //Test if second row lamps are all switched on
+            string aTime = "21:50:02";
+
+            BerlinClockImpl clock = new BerlinClockImpl(aTime);
+
+            Assert.AreEqual("RRRR", clock.SecondRow());
+        }
+
+        [TestMethod]
+        public void TestSecondRowOfLampsIsOff()
+        {
+            //Test if second row lamps are all switched off
+            string aTime = "04:03:02";
+
+            BerlinClockImpl clock = new BerlinClockImpl(aTime);
+
+            Assert.AreEqual("OOOO", clock.SecondRow());
+        }
+
+        [TestMethod]
+        public void TestThirdRowOfLampsIsLit()
+        {
+            //Test if third row lamps are all switched on
+            string aTime = "04:59:59";
+
+            BerlinClockImpl clock = new BerlinClockImpl(aTime);
+
+            Assert.AreEqual("RRRR", clock.ThirdRow());
+        }
+
+        [TestMethod]
+        public void TestThirdRowOfLampsIsOff()
+        {
+            //Test if third row lamps are all switched off
+            string aTime = "00:00:00";
+
+            BerlinClockImpl clock = new BerlinClockImpl(aTime);
+
+            Assert.AreEqual("OOOO", clock.ThirdRow());
+        }
+
+
+        [TestMethod]
+        public void TestFourthRowOfLampsIsLit()
+        {
+            //Test if fourth row lamps are all switched on
+            string aTime = "04:59:59";
+
+            BerlinClockImpl clock = new BerlinClockImpl(aTime);
+
+            Assert.AreEqual("YYRYYRYYRYY", clock.FourthRow());
+        }
+
+        [TestMethod]
+        public void TestFourthRowOfLampsIsOff()
+        {
+            //Test if fourth row lamps are all switched off
+            string aTime = "00:04:00";
+
+            BerlinClockImpl clock = new BerlinClockImpl(aTime);
+
+            Assert.AreEqual("OOOOOOOOOOO", clock.FourthRow());
+        }
+
+        [TestMethod]
+        public void TestFifthRowOfLampsIsLit()
+        {
+            //Test if fourth row lamps are all switched on
+            string aTime = "08:59:59";
+
+            BerlinClockImpl clock = new BerlinClockImpl(aTime);
+
+            Assert.AreEqual("YYYY", clock.FifthRow());
+        }
+
+        [TestMethod]
+        public void TestFifthRowOfLampsIsOff()
+        {
+            //Test if fourth row lamps are all switched off
+            string aTime = "00:05:00";
+
+            BerlinClockImpl clock = new BerlinClockImpl(aTime);
+
+            Assert.AreEqual("OOOO", clock.FifthRow());
+        }
+
+        [TestMethod]
+        public void TestInvalidTimeFormat()
+        {
+            //Test if invalid format throws a ArgumentException
+            string aTime = "24:05:00";
+
+            BerlinClockImpl clock;
+
+            Assert.ThrowsException<ArgumentException>(() => clock = new BerlinClockImpl(aTime));
+        }
+
+        [TestMethod]
+        public void TestMidnight2400()
+        {
+            //Test if special case works (24:00:00). In this case, the second row must be RRRR and not OOOO
+            string aTime = "24:00:00";
+
+            BerlinClockImpl clock = new BerlinClockImpl(aTime); ;
+
+            Assert.AreEqual("RRRR", clock.SecondRow());
+        }
+    }
+}

BerlinClockUnitTests/BerlinClockUnitTests.csproj

@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\packages\MSTest.TestAdapter.1.3.2\build\net45\MSTest.TestAdapter.props" Condition="Exists('..\packages\MSTest.TestAdapter.1.3.2\build\net45\MSTest.TestAdapter.props')" />
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{EA813377-BCE1-493E-B513-C14A9C99838B}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>BerlinClockUnitTests</RootNamespace>
+    <AssemblyName>BerlinClockUnitTests</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">15.0</VisualStudioVersion>
+    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
+    <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\$(VisualStudioVersion)\UITestExtensionPackages</ReferencePath>
+    <IsCodedUITest>False</IsCodedUITest>
+    <TestProjectType>UnitTest</TestProjectType>
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="Microsoft.VisualStudio.TestPlatform.TestFramework, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\MSTest.TestFramework.1.3.2\lib\net45\Microsoft.VisualStudio.TestPlatform.TestFramework.dll</HintPath>
+    </Reference>
+    <Reference Include="Microsoft.VisualStudio.TestPlatform.TestFramework.Extensions, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\MSTest.TestFramework.1.3.2\lib\net45\Microsoft.VisualStudio.TestPlatform.TestFramework.Extensions.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="BerlinClockTest.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\BerlinClock.csproj">
+      <Project>{0451204d-bf86-43e1-b560-fc9ac830b9a9}</Project>
+      <Name>BerlinClock</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VSToolsPath)\TeamTest\Microsoft.TestTools.targets" Condition="Exists('$(VSToolsPath)\TeamTest\Microsoft.TestTools.targets')" />
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>Este projeto faz referência a pacotes do NuGet que não estão presentes neste computador. Use a Restauração de Pacotes do NuGet para baixá-los.  Para obter mais informações, consulte http://go.microsoft.com/fwlink/?LinkID=322105. O arquivo ausente é {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\MSTest.TestAdapter.1.3.2\build\net45\MSTest.TestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\MSTest.TestAdapter.1.3.2\build\net45\MSTest.TestAdapter.props'))" />
+    <Error Condition="!Exists('..\packages\MSTest.TestAdapter.1.3.2\build\net45\MSTest.TestAdapter.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\MSTest.TestAdapter.1.3.2\build\net45\MSTest.TestAdapter.targets'))" />
+  </Target>
+  <Import Project="..\packages\MSTest.TestAdapter.1.3.2\build\net45\MSTest.TestAdapter.targets" Condition="Exists('..\packages\MSTest.TestAdapter.1.3.2\build\net45\MSTest.TestAdapter.targets')" />
+</Project>

BerlinClockUnitTests/Properties/AssemblyInfo.cs

@@ -0,0 +1,20 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+[assembly: AssemblyTitle("BerlinClockUnitTests")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("BerlinClockUnitTests")]
+[assembly: AssemblyCopyright("Copyright ©  2019")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+[assembly: ComVisible(false)]
+
+[assembly: Guid("ea813377-bce1-493e-b513-c14a9c99838b")]
+
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

BerlinClockUnitTests/bin/Debug/BerlinClock.dll.config

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <configSections>
+    <section name="specFlow" type="TechTalk.SpecFlow.Configuration.ConfigurationSectionHandler, TechTalk.SpecFlow" />
+  </configSections>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
+    </startup>
+  <specFlow>
+    <unitTestProvider name="MsTest" />
+  <!-- For additional details on SpecFlow configuration options see http://go.specflow.org/doc-config --></specFlow>
+</configuration>