feat: solved day one puzzle

01/Trebuchet.Tests/GlobalUsings.cs

@@ -1 +1,2 @@
-global using Xunit;
+global using Xunit;
+global using FluentAssertions;

01/Trebuchet.Tests/PartOnePuzzleSolverTests.cs

@@ -0,0 +1,33 @@
+namespace Trebuchet.Tests;
+
+public class PartOnePuzzleSolverTests
+{
+  private readonly PartOnePuzzleSolver _sut = new();
+
+  [Theory]
+  [InlineData("1abc2", 12)]
+  [InlineData("pqr3stu8vwx", 38)]
+  [InlineData("a1b2c3d4e5f", 15)]
+  [InlineData("treb7uchet", 77)]
+  public void GetCalibrationValue_GivenAStringContainingDigits_ItShouldReturnSumOrFirstAndLastDigit(string input, int expected)
+  {
+    var result = _sut.GetCalibrationValue(input);
+    result.Should().Be(expected);
+  }
+
+  [Theory]
+  [InlineData(new string[] { "1abc2", "pqr3stu8vwx", "a1b2c3d4e5f", "treb7uchet" }, 142)]
+  public void SumCalibrationValues_GivenAnArrayOfStrings_ItShouldReturnTheSumOfAllCalibrationValues(string[] input, int expected)
+  {
+    var result = _sut.SumCalibrationValues(input);
+    result.Should().Be(expected);
+  }
+
+  [Fact]
+  public async Task SumCalibrationValues_GivenAFile_ItShouldReturnTheSumOfAllCalibrationValues()
+  {
+    var input = await File.ReadAllLinesAsync("INPUT.txt");
+    var result = _sut.SumCalibrationValues(input);
+    result.Should().Be(53194);
+  }
+}

01/Trebuchet.Tests/PartTwoPuzzleSolverTests.cs

@@ -0,0 +1,41 @@
+namespace Trebuchet.Tests;
+
+public class PartTwoPuzzleSolverTests
+{
+  private readonly PartTwoPuzzleSolver _sut = new();
+
+  [Theory]
+  [InlineData("two1nine", 29)]
+  [InlineData("eightwothree", 83)]
+  [InlineData("abcone2threexyz", 13)]
+  [InlineData("xtwone3four", 24)]
+  [InlineData("4nineeightseven2", 42)]
+  [InlineData("zoneight234", 14)]
+  [InlineData("7pqrstsixteen", 76)]
+  [InlineData("99seven3vdcgvmvxtjtwodc5", 95)]
+  [InlineData("gpmfhninexxgqr6", 96)]
+  [InlineData("five3xjzlrmxvqznine", 59)]
+  [InlineData("nine4vqxmzqxcvfhlm45", 95)]
+  [InlineData("4nine7oneighthm", 48)]
+  public void GetCalibrationValue_GivenAStringContainingDigits_ItShouldReturnSumOrFirstAndLastDigit(string input, int expected)
+  {
+    var result = _sut.GetCalibrationValue(input);
+    result.Should().Be(expected);
+  }
+
+  [Theory]
+  [InlineData(new string[] { "two1nine", "eightwothree", "abcone2threexyz", "xtwone3four", "4nineeightseven2", "zoneight234", "7pqrstsixteen" }, 281)]
+  public void SumCalibrationValues_GivenAnArrayOfStrings_ItShouldReturnTheSumOfAllCalibrationValues(string[] input, int expected)
+  {
+    var result = _sut.SumCalibrationValues(input);
+    result.Should().Be(expected);
+  }
+
+  [Fact]
+  public async Task SumCalibrationValues_GivenAFile_ItShouldReturnTheSumOfAllCalibrationValues()
+  {
+    var input = await File.ReadAllLinesAsync("INPUT.txt");
+    var result = _sut.SumCalibrationValues(input);
+    result.Should().BeLessThan(54249);
+  }
+}

01/Trebuchet.Tests/Trebuchet.Tests.csproj

@@ -10,6 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="FluentAssertions" Version="6.12.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0" />
     <PackageReference Include="xunit" Version="2.4.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
@@ -26,4 +27,10 @@
     <ProjectReference Include="..\Trebuchet\Trebuchet.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Content Include="..\INPUT.txt">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
+
 </Project>

01/Trebuchet.Tests/UnitTest1.cs

@@ -1,10 +0,0 @@
-namespace Trebuchet.Tests;
-
-public class UnitTest1
-{
-    [Fact]
-    public void Test1()
-    {
-
-    }
-}