Add comprehensive unit tests for backend services and controllers
- Add API.Tests xUnit project with Moq and EF Core InMemory - Add AgeGroupService tests (CRUD operations, edge cases) - Add RegistrationKeyService tests (CRUD + DeleteOldRegistrationKeys) - Add AgeGroupController tests (all endpoints with mocked service) - Add PlunkEmailSender tests (HTTP client mocking, payload verification) - Add Mapper tests (AltersgruppeMapper, RegistrationKeyMapper) https://claude.ai/code/session_01Kv7Mp2c9FKsHEgQe4BoftH
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Claude
244
API.Tests/Services/RegistrationKeyServiceTests.cs
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244
API.Tests/Services/RegistrationKeyServiceTests.cs
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using API.Database;
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using API.Models.Internal.User;
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using API.Repository.RegistrationKeyRepo;
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using Microsoft.EntityFrameworkCore;
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namespace API.Tests.Services;
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public class RegistrationKeyServiceTests : IDisposable
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{
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private readonly ApplicationDbContext _context;
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private readonly RegistrationKeyService _service;
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public RegistrationKeyServiceTests()
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{
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var options = new DbContextOptionsBuilder<ApplicationDbContext>()
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.UseInMemoryDatabase(databaseName: Guid.NewGuid().ToString())
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.Options;
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_context = new ApplicationDbContext(options);
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_service = new RegistrationKeyService(_context);
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}
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public void Dispose()
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{
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_context.Database.EnsureDeleted();
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_context.Dispose();
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}
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[Fact]
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public async Task GetAllAsync_EmptyDatabase_ReturnsEmptyList()
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{
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// Act
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var result = await _service.GetAllAsync();
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// Assert
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Assert.NotNull(result);
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Assert.Empty(result);
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}
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[Fact]
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public async Task GetAllAsync_WithData_ReturnsAllKeys()
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{
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// Arrange
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var key1 = new RegistrationKey { LinkedRole = "Admin" };
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var key2 = new RegistrationKey { LinkedRole = "User" };
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await _context.RegistrationKeys.AddRangeAsync(key1, key2);
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await _context.SaveChangesAsync();
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// Act
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var result = await _service.GetAllAsync();
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// Assert
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Assert.Equal(2, result.Count);
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Assert.Contains(result, k => k.LinkedRole == "Admin");
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Assert.Contains(result, k => k.LinkedRole == "User");
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}
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[Fact]
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public async Task GetAsync_ExistingId_ReturnsKey()
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{
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// Arrange
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var key = new RegistrationKey { LinkedRole = "Moderator" };
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await _context.RegistrationKeys.AddAsync(key);
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await _context.SaveChangesAsync();
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// Act
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var result = await _service.GetAsync(key.Id);
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// Assert
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Assert.NotNull(result);
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Assert.Equal("Moderator", result.LinkedRole);
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}
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[Fact]
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public async Task GetAsync_NonExistingId_ReturnsNull()
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{
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// Act
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var result = await _service.GetAsync("nonexistent-id");
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// Assert
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Assert.Null(result);
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}
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[Fact]
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public async Task CreateAsync_ValidKey_AddsToDatabase()
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{
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// Arrange
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var keyIngoing = new RegistrationKeyIngoing { LinkedRole = "Admin" };
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// Act
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var result = await _service.CreateAsync(keyIngoing);
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// Assert
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Assert.NotNull(result);
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Assert.Equal("Admin", result.LinkedRole);
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Assert.NotNull(result.Id);
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var dbKey = await _context.RegistrationKeys.FindAsync(result.Id);
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Assert.NotNull(dbKey);
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Assert.Equal("Admin", dbKey.LinkedRole);
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}
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[Fact]
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public async Task CreateAsync_NullRole_AddsToDatabase()
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{
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// Arrange
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var keyIngoing = new RegistrationKeyIngoing { LinkedRole = null };
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// Act
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var result = await _service.CreateAsync(keyIngoing);
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// Assert
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Assert.NotNull(result);
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Assert.Null(result.LinkedRole);
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var dbKey = await _context.RegistrationKeys.FindAsync(result.Id);
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Assert.NotNull(dbKey);
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}
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[Fact]
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public async Task DeleteAsync_ExistingKey_RemovesFromDatabase()
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{
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// Arrange
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var key = new RegistrationKey { LinkedRole = "ToDelete" };
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await _context.RegistrationKeys.AddAsync(key);
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await _context.SaveChangesAsync();
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// Act
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var result = await _service.DeleteAsync(key.Id);
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// Assert
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Assert.NotNull(result);
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Assert.Equal("ToDelete", result.LinkedRole);
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var dbKey = await _context.RegistrationKeys.FindAsync(key.Id);
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Assert.Null(dbKey);
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}
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[Fact]
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public async Task DeleteAsync_NonExistingKey_ReturnsNull()
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{
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// Act
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var result = await _service.DeleteAsync("nonexistent-id");
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// Assert
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Assert.Null(result);
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}
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[Fact]
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public async Task DeleteOldRegistrationKeysAsync_ZeroDays_ReturnsZero()
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{
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// Arrange
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var key = new RegistrationKey { LinkedRole = "Old", Created = DateTime.UtcNow.AddDays(-10) };
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await _context.RegistrationKeys.AddAsync(key);
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await _context.SaveChangesAsync();
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// Act
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var result = await _service.DeleteOldRegistrationKeysAsync(0);
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// Assert
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Assert.Equal(0, result);
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Assert.Single(await _context.RegistrationKeys.ToListAsync());
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}
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[Fact]
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public async Task DeleteOldRegistrationKeysAsync_NegativeDays_ReturnsZero()
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{
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// Arrange
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var key = new RegistrationKey { LinkedRole = "Old", Created = DateTime.UtcNow.AddDays(-10) };
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await _context.RegistrationKeys.AddAsync(key);
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await _context.SaveChangesAsync();
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// Act
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var result = await _service.DeleteOldRegistrationKeysAsync(-5);
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// Assert
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Assert.Equal(0, result);
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Assert.Single(await _context.RegistrationKeys.ToListAsync());
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}
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[Fact]
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public async Task DeleteOldRegistrationKeysAsync_NoOldKeys_ReturnsZero()
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{
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// Arrange
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var key = new RegistrationKey { LinkedRole = "New", Created = DateTime.UtcNow };
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await _context.RegistrationKeys.AddAsync(key);
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await _context.SaveChangesAsync();
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// Act
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var result = await _service.DeleteOldRegistrationKeysAsync(7);
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// Assert
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Assert.Equal(0, result);
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Assert.Single(await _context.RegistrationKeys.ToListAsync());
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}
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[Fact]
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public async Task DeleteOldRegistrationKeysAsync_WithOldKeys_DeletesOldKeysOnly()
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{
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// Arrange
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var oldKey1 = new RegistrationKey { LinkedRole = "Old1", Created = DateTime.UtcNow.AddDays(-10) };
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var oldKey2 = new RegistrationKey { LinkedRole = "Old2", Created = DateTime.UtcNow.AddDays(-15) };
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var newKey = new RegistrationKey { LinkedRole = "New", Created = DateTime.UtcNow.AddDays(-2) };
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await _context.RegistrationKeys.AddRangeAsync(oldKey1, oldKey2, newKey);
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await _context.SaveChangesAsync();
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// Act
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var result = await _service.DeleteOldRegistrationKeysAsync(7);
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// Assert
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Assert.Equal(2, result);
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var remainingKeys = await _context.RegistrationKeys.ToListAsync();
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Assert.Single(remainingKeys);
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Assert.Equal("New", remainingKeys[0].LinkedRole);
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}
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[Fact]
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public async Task DeleteOldRegistrationKeysAsync_ExactCutoffDate_KeyNotDeleted()
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{
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// Arrange - key created exactly at cutoff should NOT be deleted
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var keyAtCutoff = new RegistrationKey { LinkedRole = "AtCutoff", Created = DateTime.UtcNow.AddDays(-7) };
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await _context.RegistrationKeys.AddAsync(keyAtCutoff);
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await _context.SaveChangesAsync();
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// Act
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var result = await _service.DeleteOldRegistrationKeysAsync(7);
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// Assert - cutoff is < not <=, so exactly 7 days old should not be deleted
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Assert.Equal(0, result);
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Assert.Single(await _context.RegistrationKeys.ToListAsync());
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}
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[Fact]
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public async Task DeleteOldRegistrationKeysAsync_EmptyDatabase_ReturnsZero()
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{
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// Act
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var result = await _service.DeleteOldRegistrationKeysAsync(7);
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// Assert
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Assert.Equal(0, result);
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}
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}
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