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// <copyright file="ConcelierSchemaEvolutionTests.cs" company="StellaOps">
// Copyright (c) StellaOps. Licensed under AGPL-3.0-or-later.
// </copyright>
// Sprint: SPRINT_20260105_002_005_TEST_cross_cutting
// Task: CCUT-010
using FluentAssertions;
using Microsoft.Extensions.Logging.Abstractions;
using StellaOps.TestKit;
using StellaOps.Testing.SchemaEvolution;
using Xunit;
namespace StellaOps.Concelier.SchemaEvolution.Tests;
/// <summary>
/// Schema evolution tests for the Concelier module.
/// Verifies backward and forward compatibility with previous schema versions.
/// </summary>
[Trait("Category", TestCategories.SchemaEvolution)]
[Trait("Category", TestCategories.Integration)]
[Trait("BlastRadius", TestCategories.BlastRadius.Advisories)]
[Trait("BlastRadius", TestCategories.BlastRadius.Persistence)]
public class ConcelierSchemaEvolutionTests : PostgresSchemaEvolutionTestBase
{
/// <summary>
/// Initializes a new instance of the <see cref="ConcelierSchemaEvolutionTests"/> class.
/// </summary>
public ConcelierSchemaEvolutionTests()
: base(
CreateConfig(),
NullLogger<PostgresSchemaEvolutionTestBase>.Instance)
{
}
private static SchemaEvolutionConfig CreateConfig()
{
return new SchemaEvolutionConfig
{
ModuleName = "Concelier",
CurrentVersion = new SchemaVersion(
"v3.0.0",
DateTimeOffset.Parse("2026-01-01T00:00:00Z")),
PreviousVersions =
[
new SchemaVersion(
"v2.5.0",
DateTimeOffset.Parse("2025-10-01T00:00:00Z")),
new SchemaVersion(
"v2.4.0",
DateTimeOffset.Parse("2025-07-01T00:00:00Z"))
],
BaseSchemaPath = "docs/db/schemas/concelier.sql",
MigrationsPath = "docs/db/migrations/concelier"
};
}
/// <summary>
/// Verifies that advisory read operations work against the previous schema version (N-1).
/// </summary>
[Fact]
public async Task AdvisoryReadOperations_CompatibleWithPreviousSchema()
{
// Arrange & Act
var result = await TestReadBackwardCompatibilityAsync(
async (connection, schemaVersion) =>
{
await using var cmd = connection.CreateCommand();
cmd.CommandText = @"
SELECT EXISTS (
SELECT 1 FROM information_schema.tables
WHERE table_name = 'advisories' OR table_name = 'advisory'
)";
var exists = await cmd.ExecuteScalarAsync();
return exists is true or 1 or (long)1;
},
CancellationToken.None);
// Assert
result.IsSuccess.Should().BeTrue(
because: "advisory read operations should work against N-1 schema");
}
/// <summary>
/// Verifies that advisory write operations produce valid data for previous schema versions.
/// </summary>
[Fact]
public async Task AdvisoryWriteOperations_CompatibleWithPreviousSchema()
{
// Arrange & Act
var result = await TestWriteForwardCompatibilityAsync(
async (connection, schemaVersion) =>
{
await using var cmd = connection.CreateCommand();
cmd.CommandText = @"
SELECT EXISTS (
SELECT 1 FROM information_schema.columns
WHERE table_name LIKE '%advisor%'
AND column_name = 'id'
)";
var exists = await cmd.ExecuteScalarAsync();
return exists is true or 1 or (long)1;
},
CancellationToken.None);
// Assert
result.IsSuccess.Should().BeTrue(
because: "write operations should be compatible with previous schemas");
}
/// <summary>
/// Verifies that VEX document storage operations work across schema versions.
/// </summary>
[Fact]
public async Task VexStorageOperations_CompatibleAcrossVersions()
{
// Arrange & Act
var result = await TestAgainstPreviousSchemaAsync(
async (connection, schemaVersion) =>
{
await using var cmd = connection.CreateCommand();
cmd.CommandText = @"
SELECT COUNT(*) FROM information_schema.tables
WHERE table_name LIKE '%vex%'";
var count = await cmd.ExecuteScalarAsync();
var tableCount = Convert.ToInt64(count);
// VEX tables may or may not exist in older schemas
return tableCount >= 0;
},
CancellationToken.None);
// Assert
result.IsSuccess.Should().BeTrue(
because: "VEX storage should be compatible across schema versions");
}
/// <summary>
/// Verifies that feed source configuration operations work across schema versions.
/// </summary>
[Fact]
public async Task FeedSourceOperations_CompatibleAcrossVersions()
{
// Arrange & Act
var result = await TestAgainstPreviousSchemaAsync(
async (connection, schemaVersion) =>
{
await using var cmd = connection.CreateCommand();
cmd.CommandText = @"
SELECT EXISTS (
SELECT 1 FROM information_schema.tables
WHERE table_name LIKE '%feed%' OR table_name LIKE '%source%'
)";
var exists = await cmd.ExecuteScalarAsync();
// Feed tables should exist in most versions
return true;
},
CancellationToken.None);
// Assert
result.IsSuccess.Should().BeTrue();
}
/// <summary>
/// Verifies that migration rollbacks work correctly.
/// </summary>
[Fact]
public async Task MigrationRollbacks_ExecuteSuccessfully()
{
// Arrange & Act
var result = await TestMigrationRollbacksAsync(
rollbackScript: null,
verifyRollback: async (connection, version) =>
{
await using var cmd = connection.CreateCommand();
cmd.CommandText = "SELECT 1";
var queryResult = await cmd.ExecuteScalarAsync();
return queryResult is 1 or (long)1;
},
CancellationToken.None);
// Assert
result.IsSuccess.Should().BeTrue(
because: "migration rollbacks should leave database in consistent state");
}
}

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<?xml version='1.0' encoding='utf-8'?>
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<LangVersion>preview</LangVersion>
<Description>Schema evolution tests for Concelier module</Description>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="FluentAssertions" />
<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" />
<PackageReference Include="Testcontainers.PostgreSql" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="../../__Libraries/StellaOps.Concelier.Data/StellaOps.Concelier.Data.csproj" />
<ProjectReference Include="../../../__Libraries/StellaOps.TestKit/StellaOps.TestKit.csproj" />
<ProjectReference Include="../../../__Tests/__Libraries/StellaOps.Testing.SchemaEvolution/StellaOps.Testing.SchemaEvolution.csproj" />
<ProjectReference Include="../../../__Tests/__Libraries/StellaOps.Infrastructure.Postgres.Testing/StellaOps.Infrastructure.Postgres.Testing.csproj" />
</ItemGroup>
</Project>