tests: refactor test suite to match new project structure

tests/FiscalOS.Infra.Tests/FiscalOS.Infra.Tests.csproj

@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>FiscalOS.Infra.Tests</RootNamespace>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Content Include="xunit.runner.json" CopyToOutputDirectory="PreserveNewest" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="AwesomeAssertions" />
+    <PackageReference Include="xunit.v3.mtp-v2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\FiscalOS.Infra\FiscalOS.Infra.csproj" />
+  </ItemGroup>
+
+</Project>

tests/FiscalOS.Infra.Tests/Unit/PasswordHasherTests.cs

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+namespace FiscalOS.Infra.Tests.Unit;
+
+public class PasswordHasherTests
+{
+  private readonly PasswordHasher _sut = PasswordHasher.New();
+
+  [Fact]
+  public void Hash_WhenGivenPassword_ShouldReturnHashedPassword()
+  {
+    var password = "SecurePassword123!";
+
+    var result = _sut.Hash(password);
+
+    result.Should().NotBeNullOrEmpty();
+    result.Should().NotBe(password);
+  }
+
+  [Fact]
+  public void Verify_WhenGivenCorrectPassword_ShouldReturnTrue()
+  {
+    var password = "SecurePassword123!";
+    var hashedPassword = _sut.Hash(password);
+
+    var result = _sut.Verify(password, hashedPassword);
+
+    result.Should().BeTrue();
+  }
+
+  [Fact]
+  public void Verify_WhenGivenIncorrectPassword_ShouldReturnFalse()
+  {
+    var password = "SecurePassword123!";
+    var wrongPassword = "WrongPassword!";
+    var hashedPassword = _sut.Hash(password);
+
+    var result = _sut.Verify(wrongPassword, hashedPassword);
+
+    result.Should().BeFalse();
+  }
+}

tests/FiscalOS.Infra.Tests/Usings.cs

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+global using FiscalOS.Infra.Identity;

tests/FiscalOS.Infra.Tests/xunit.runner.json

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+{
+    "$schema": "https://xunit.net/schema/current/xunit.runner.schema.json"
+}