Paul Schneider
c3c5494507
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68 lines
3.1 KiB
C#
68 lines
3.1 KiB
C#
using IdentityServer8.EntityFramework.DbContexts;
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using IdentityServer8.EntityFramework.Entities;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.DependencyInjection;
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using Xunit;
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namespace Yavsc.Org.Tests.Controllers;
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/// <summary>
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/// Regression sentinel: two <see cref="TestWebApplicationFactory"/>
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/// instances must not see each other's clients.
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///
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/// EF Core's <c>UseInMemoryDatabase(name)</c> returns the same
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/// backing store to every <c>DbContext</c> that asks for it under
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/// the same name, in the same process. Before the per-fixture GUID
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/// fix, both <see cref="TestWebApplicationFactory"/> and
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/// <see cref="WebServerFixture"/> used the bare <c>"InMemory"</c>
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/// connection string, so every fixture shared one store and tests
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/// were silently order-dependent.
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///
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/// We assert against <see cref="ConfigurationDbContext"/> directly
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/// rather than via <c>IClientStore</c>: the validating wrapper around
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/// <c>IClientStore</c> raises events through <c>IEventService</c>,
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/// which is not registered in the test host and crashes with a
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/// <c>NullReferenceException</c> before it can return a result. Going
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/// straight to the DbContext is the same code path the production
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/// code uses, so it is the right surface to assert against.
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/// </summary>
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public class TestWebApplicationFactoryIsolationTests
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{
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[Fact]
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public async Task Second_factory_does_not_see_clients_seeded_into_first()
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{
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var marker = $"marker-A-{Guid.NewGuid():N}";
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// First factory: seed a distinctive client.
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using (var first = new TestWebApplicationFactory())
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{
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await using var scope = first.Services.CreateAsyncScope();
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var configDb = scope.ServiceProvider.GetRequiredService<ConfigurationDbContext>();
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var firstCs = scope.ServiceProvider.GetRequiredService<IConfiguration>()
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.GetConnectionString("YavscConnection");
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configDb.Clients.Add(new Client { ClientId = marker, ClientName = "marker-A" });
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await configDb.SaveChangesAsync(TestContext.Current.CancellationToken);
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// Sanity: the first factory can see its own seed.
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var seenByFirst = await configDb.Clients
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.AsNoTracking()
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.AnyAsync(c => c.ClientId == marker, TestContext.Current.CancellationToken);
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Assert.True(seenByFirst);
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}
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// Second factory: must start from a clean slate. If the
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// in-memory store leaked from the first factory, this
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// assertion fails.
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using var second = new TestWebApplicationFactory();
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await using var secondScope = second.Services.CreateAsyncScope();
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var secondCs = secondScope.ServiceProvider.GetRequiredService<IConfiguration>()
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.GetConnectionString("YavscConnection");
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Assert.StartsWith("InMemory-", secondCs);
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var secondDb = secondScope.ServiceProvider.GetRequiredService<ConfigurationDbContext>();
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var seenBySecond = await secondDb.Clients
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.AsNoTracking()
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.AnyAsync(c => c.ClientId == marker, TestContext.Current.CancellationToken);
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Assert.False(seenBySecond);
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}
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}
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