add: ajustes de pastas e testes

CampusWorkshops.Tests/CampusWorkshops.Tests.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="coverlet.collector" Version="6.0.2" />
+    <PackageReference Include="Microsoft.Extensions.TimeProvider.Testing" Version="9.10.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="NSubstitute" Version="5.3.0" />
+    <PackageReference Include="xunit" Version="2.9.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Using Include="Xunit" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Workshop10-API\Workshop10-API.csproj" />
+  </ItemGroup>
+
+</Project>

CampusWorkshops.Tests/Registration/WorkshopRegistrationPolicyTests.cs

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+
+// CampusWorkshops.Tests/Registration/RegistrationPolicyTests.cs
+using System;
+using CampusWorkshops.Api.Domain.Registration;
+using CampusWorkshops.Api.Models; // Workshop do seu projeto
+using Microsoft.Extensions.Time.Testing;
+using Xunit;
+
+namespace CampusWorkshops.Tests.Registration
+{
+    public class RegistrationPolicyTests
+    {
+        private static (RegistrationPolicy Policy, FakeTimeProvider Time) BuildSut(DateTimeOffset nowUtc)
+        {
+            var time = new FakeTimeProvider(nowUtc.UtcDateTime);
+            var policy = new RegistrationPolicy(time);
+            return (policy, time);
+        }
+
+        private static Workshop W(int capacity, DateTimeOffset startAt)
+            => new Workshop
+            {
+                Id = Guid.NewGuid(),
+                Title = "Qualquer título",
+                StartAt = startAt.UtcDateTime,     // se seu StartAt for DateTimeOffset, use .StartAt = startAt
+                EndAt = startAt.UtcDateTime.AddHours(2),
+                Capacity = capacity,
+                IsOnline = true
+            };
+
+        [Fact]
+        public void Rejects_When_Window_Closed_At_24h()
+        {
+            // Arrange
+            var now = DateTimeOffset.Parse("2025-03-01T12:00:00Z");
+            var (policy, _) = BuildSut(now);
+            var w = W(capacity: 10, startAt: now.AddHours(RegistrationPolicy.CloseWindowLeadHours));
+            var enrolled = 0;
+
+            // Act
+            var decision = policy.Decide(w, enrolled);
+
+            // Assert
+            Assert.Equal(RegistrationOutcome.Rejected, decision.Outcome);
+            Assert.Contains("Registration window closed.", decision.Reasons);
+        }
+
+        [Fact]
+        public void Accepts_When_Seats_Available()
+        {
+            // Arrange
+            var now = DateTimeOffset.Parse("2025-03-01T12:00:00Z");
+            var (policy, _) = BuildSut(now);
+            var w = W(capacity: 10, startAt: now.AddHours(36));
+            var enrolled = 9;
+
+            // Act
+            var decision = policy.Decide(w, enrolled);
+
+            // Assert
+            Assert.Equal(RegistrationOutcome.Accepted, decision.Outcome);
+            Assert.Contains("Accepted", decision.Reasons);
+        }
+
+        [Fact]
+        public void Rejects_When_Full()
+        {
+            // Arrange
+            var now = DateTimeOffset.Parse("2025-03-01T12:00:00Z");
+            var (policy, _) = BuildSut(now);
+            var w = W(capacity: 10, startAt: now.AddHours(36));
+            var enrolled = 10;
+
+            // Act
+            var decision = policy.Decide(w, enrolled);
+
+            // Assert
+            Assert.Equal(RegistrationOutcome.Rejected, decision.Outcome);
+            Assert.Contains("No seats available.", decision.Reasons);
+        }
+
+        [Theory]
+        [InlineData(30, RegistrationOutcome.Accepted)]
+        [InlineData(24, RegistrationOutcome.Rejected)]
+        [InlineData(10, RegistrationOutcome.Rejected)]
+        public void Window_Rules(int hoursToStart, RegistrationOutcome expected)
+        {
+            // Arrange
+            var now = DateTimeOffset.Parse("2025-03-01T12:00:00Z");
+            var (policy, _) = BuildSut(now);
+            var w = W(capacity: 5, startAt: now.AddHours(hoursToStart));
+            var enrolled = 0;
+
+            // Act
+            var decision = policy.Decide(w, enrolled);
+
+            // Assert
+            Assert.Equal(expected, decision.Outcome);
+        }
+    }
+}

CampusWorkshops.Tests/UnitTest1.cs

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+namespace CampusWorkshops.Tests;
+
+public class UnitTest1
+{
+    [Fact]
+    public void Test1()
+    {
+
+    }
+}