77 lines
3.0 KiB
C#
77 lines
3.0 KiB
C#
using Xunit;
|
|
|
|
namespace ScadaLink.ConfigurationDatabase.Tests.Migrations;
|
|
|
|
/// <summary>
|
|
/// SourceNode-stamping (#23) integration tests for the
|
|
/// <c>AddNotificationSourceNode</c> migration: applies the EF migrations to a
|
|
/// freshly-created MSSQL test database on the running infra/mssql container and
|
|
/// asserts that the central <c>Notifications</c> table carries the new
|
|
/// <c>SourceNode varchar(64) NULL</c> column. No index — Notification Outbox KPIs
|
|
/// are per-site, not per-node, so the column is never a query predicate on this
|
|
/// table; it's only echoed onto NotifyDeliver audit rows (#23) for cross-row
|
|
/// correlation.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// <c>Notifications</c> is non-partitioned (operational state, not audit), so this
|
|
/// is a plain metadata-only <c>ALTER TABLE … ADD</c> with no index.
|
|
/// </remarks>
|
|
public class AddNotificationSourceNodeMigrationTests : IClassFixture<MsSqlMigrationFixture>
|
|
{
|
|
private readonly MsSqlMigrationFixture _fixture;
|
|
|
|
public AddNotificationSourceNodeMigrationTests(MsSqlMigrationFixture fixture)
|
|
{
|
|
_fixture = fixture;
|
|
}
|
|
|
|
[SkippableFact]
|
|
public async Task AppliesMigration_AddsSourceNodeColumn_ToNotifications()
|
|
{
|
|
Skip.IfNot(_fixture.Available, _fixture.SkipReason);
|
|
|
|
var present = await ScalarAsync<int>(
|
|
"SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS " +
|
|
"WHERE TABLE_NAME = 'Notifications' AND COLUMN_NAME = 'SourceNode' " +
|
|
"AND TABLE_SCHEMA = 'dbo';");
|
|
Assert.Equal(1, present);
|
|
}
|
|
|
|
[SkippableFact]
|
|
public async Task SourceNodeColumn_IsNullableVarchar64()
|
|
{
|
|
Skip.IfNot(_fixture.Available, _fixture.SkipReason);
|
|
|
|
// varchar(64), not nvarchar — SourceNode is ASCII (`node-a`, `central-a` etc.).
|
|
var dataType = await ScalarAsync<string?>(
|
|
"SELECT DATA_TYPE FROM INFORMATION_SCHEMA.COLUMNS " +
|
|
"WHERE TABLE_NAME = 'Notifications' AND COLUMN_NAME = 'SourceNode';");
|
|
Assert.Equal("varchar", dataType);
|
|
|
|
var maxLength = await ScalarAsync<int>(
|
|
"SELECT CHARACTER_MAXIMUM_LENGTH FROM INFORMATION_SCHEMA.COLUMNS " +
|
|
"WHERE TABLE_NAME = 'Notifications' AND COLUMN_NAME = 'SourceNode';");
|
|
Assert.Equal(64, maxLength);
|
|
|
|
var isNullable = await ScalarAsync<string?>(
|
|
"SELECT IS_NULLABLE FROM INFORMATION_SCHEMA.COLUMNS " +
|
|
"WHERE TABLE_NAME = 'Notifications' AND COLUMN_NAME = 'SourceNode';");
|
|
Assert.Equal("YES", isNullable);
|
|
}
|
|
|
|
// --- helpers ------------------------------------------------------------
|
|
|
|
private async Task<T> ScalarAsync<T>(string sql)
|
|
{
|
|
await using var conn = _fixture.OpenConnection();
|
|
await using var cmd = conn.CreateCommand();
|
|
cmd.CommandText = sql;
|
|
var result = await cmd.ExecuteScalarAsync();
|
|
if (result is null || result is DBNull)
|
|
{
|
|
return default!;
|
|
}
|
|
return (T)Convert.ChangeType(result, typeof(T) == typeof(string) ? typeof(string) : Nullable.GetUnderlyingType(typeof(T)) ?? typeof(T))!;
|
|
}
|
|
}
|