Joseph Doherty
100 lines
3.6 KiB
C#
100 lines
3.6 KiB
C#
using Microsoft.EntityFrameworkCore;
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using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.Configuration.Entities;
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using ZB.MOM.WW.OtOpcUa.Configuration.Enums;
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using ZB.MOM.WW.OtOpcUa.Configuration.Validation;
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namespace ZB.MOM.WW.OtOpcUa.Configuration.Tests;
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/// <summary>
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/// Verifies <see cref="DraftSnapshotFactory.FromConfigDbAsync"/> materialises a
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/// <see cref="DraftSnapshot"/> from the live config DB whose Tag/VirtualTag rows feed the
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/// equipment-signal collision rule — the one rule wired into the deploy gate (Task 3).
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/// </summary>
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[Trait("Category", "Unit")]
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public sealed class DraftSnapshotFactoryTests : IDisposable
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{
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private readonly OtOpcUaConfigDbContext _db;
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/// <summary>Initializes a new instance with an isolated in-memory config DB.</summary>
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public DraftSnapshotFactoryTests()
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{
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var options = new DbContextOptionsBuilder<OtOpcUaConfigDbContext>()
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.UseInMemoryDatabase($"draft-snapshot-{Guid.NewGuid():N}")
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.Options;
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_db = new OtOpcUaConfigDbContext(options);
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}
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/// <summary>Disposes the database context.</summary>
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public void Dispose() => _db.Dispose();
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/// <summary>Seeds one Equipment plus a Tag and a VirtualTag sharing (EquipmentId, Name); the
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/// snapshot must carry both signal collections AND the validator must flag the collision.</summary>
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[Fact]
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public async Task FromConfigDb_populates_Tags_and_VirtualTags_and_surfaces_collision()
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{
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SeedEquipment("eq-1");
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_db.Tags.Add(BuildTag(equipmentId: "eq-1", name: "speed"));
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_db.VirtualTags.Add(BuildVirtualTag(equipmentId: "eq-1", name: "speed"));
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await _db.SaveChangesAsync();
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var snapshot = await DraftSnapshotFactory.FromConfigDbAsync(_db);
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snapshot.Tags.Count.ShouldBe(1);
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snapshot.VirtualTags.Count.ShouldBe(1);
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DraftValidator.Validate(snapshot).ShouldContain(e => e.Code == "EquipmentSignalNameCollision");
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}
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/// <summary>A Tag and a VirtualTag with distinct names under the same equipment do not collide,
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/// so the snapshot validates clean of the collision code.</summary>
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[Fact]
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public async Task FromConfigDb_no_collision_when_names_differ()
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{
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SeedEquipment("eq-1");
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_db.Tags.Add(BuildTag(equipmentId: "eq-1", name: "speed"));
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_db.VirtualTags.Add(BuildVirtualTag(equipmentId: "eq-1", name: "temperature"));
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await _db.SaveChangesAsync();
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var snapshot = await DraftSnapshotFactory.FromConfigDbAsync(_db);
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snapshot.Tags.Count.ShouldBe(1);
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snapshot.VirtualTags.Count.ShouldBe(1);
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DraftValidator.Validate(snapshot).ShouldNotContain(e => e.Code == "EquipmentSignalNameCollision");
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}
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private void SeedEquipment(string equipmentId)
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{
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var uuid = Guid.NewGuid();
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_db.Equipment.Add(new Equipment
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{
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EquipmentUuid = uuid,
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EquipmentId = equipmentId,
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Name = "eq",
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DriverInstanceId = "d",
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UnsLineId = "line-a",
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MachineCode = "m",
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});
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}
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private static Tag BuildTag(string equipmentId, string name) => new()
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{
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TagId = $"tag-{name}",
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DriverInstanceId = "d",
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EquipmentId = equipmentId,
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Name = name,
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DataType = "Float",
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AccessLevel = TagAccessLevel.Read,
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TagConfig = "{}",
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};
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private static VirtualTag BuildVirtualTag(string equipmentId, string name) => new()
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{
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VirtualTagId = $"vtag-{name}",
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EquipmentId = equipmentId,
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Name = name,
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DataType = "Float",
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ScriptId = "s-1",
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};
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}
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