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Centralize Postgres connection string policy across all modules

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Extract connection string building into PostgresConnectionStringPolicy so all
services use consistent pooling, application_name, and timeout settings.
Adopt the new policy in 20+ module DataSource/ServiceCollectionExtensions classes.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
master
2026-04-06 08:51:04 +03:00
parent 517fa0a92d
commit ccdfd41e4f
64 changed files with 625 additions and 178 deletions
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66
src/__Libraries/__Tests/StellaOps.Infrastructure.Postgres.Tests/PostgresConnectionStringPolicyTests.cs Normal file
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using FluentAssertions;
using Npgsql;
using StellaOps.Infrastructure.Postgres.Connections;
using StellaOps.Infrastructure.Postgres.Options;
using StellaOps.TestKit;
using Xunit;
namespace StellaOps.Infrastructure.Postgres.Tests;
[Trait("Category", TestCategories.Unit)]
public sealed class PostgresConnectionStringPolicyTests
{
[Fact]
public void Build_applies_runtime_attribution_and_pooling_policy()
{
var options = new PostgresOptions
{
ConnectionString = "Host=localhost;Database=stellaops;Username=stellaops;Password=stellaops",
ApplicationName = "custom-ledger-app",
Pooling = false,
MinPoolSize = 3,
MaxPoolSize = 12,
ConnectionIdleLifetimeSeconds = 900,
};
var connectionString = PostgresConnectionStringPolicy.Build(options, "stellaops-findings-ledger");
var builder = new NpgsqlConnectionStringBuilder(connectionString);
builder.ApplicationName.Should().Be("custom-ledger-app");
builder.Pooling.Should().BeFalse();
builder.MinPoolSize.Should().Be(3);
builder.MaxPoolSize.Should().Be(12);
builder.ConnectionIdleLifetime.Should().Be(900);
}
[Fact]
public void Build_uses_default_application_name_when_none_is_configured()
{
var options = new PostgresOptions
{
ConnectionString = "Host=localhost;Database=stellaops;Username=stellaops;Password=stellaops",
MinPoolSize = 0,
MaxPoolSize = 1,
};
var connectionString = PostgresConnectionStringPolicy.Build(options, "stellaops-policy");
var builder = new NpgsqlConnectionStringBuilder(connectionString);
builder.ApplicationName.Should().Be("stellaops-policy");
builder.MinPoolSize.Should().Be(0);
builder.MaxPoolSize.Should().Be(1);
builder.ConnectionIdleLifetime.Should().Be(300);
}
[Theory]
[InlineData("Policy", "stellaops-policy")]
[InlineData("PacksRegistry", "stellaops-packs-registry")]
[InlineData("IssuerDirectory", "stellaops-issuer-directory")]
[InlineData("ReachGraph", "stellaops-reach-graph")]
public void BuildDefaultApplicationName_normalizes_module_names(string moduleName, string expected)
{
var result = PostgresConnectionStringPolicy.BuildDefaultApplicationName(moduleName);
result.Should().Be(expected);
}
}