shoc-backend/SeaHavenIndustries.Tests/SyncFieldMergePolicyTests.cs

using Data.SeaHavenIndustries;
using Microsoft.EntityFrameworkCore;
using SeaHaven.Services.Implementation;
using SeaHaven.Services.Interfaces;

namespace SeaHavenIndustries.Tests;

public class SyncFieldMergePolicyTests
{
    private static ApplicationDbContext CreateContext()
    {
        var options = new DbContextOptionsBuilder<ApplicationDbContext>()
            .UseInMemoryDatabase(Guid.NewGuid().ToString())
            .Options;
        return new ApplicationDbContext(options);
    }

    [Fact]
    public async Task TryApply_WhenFieldLocked_RejectsAndAudits()
    {
        await using var context = CreateContext();
        var wo = new WorkOrder { Id = 10, Description = "SHOC edited", Status = "Open" };
        context.workOrders.Add(wo);
        context.WorkOrderFieldLocks.Add(new WorkOrderFieldLock
        {
            WorkOrderId = 10,
            FieldName = "Description",
            LockedAt = DateTime.UtcNow
        });
        await context.SaveChangesAsync();

        var locks = new WorkOrderFieldLockService(context);
        var audit = new WorkOrderAuditService(context, locks);
        var policy = new SyncFieldMergePolicy(locks, audit);

        var syncContext = new WorkOrderSyncContext
        {
            WorkOrder = wo,
            FieldLocks = locks,
            Audit = audit
        };

        var applied = await policy.TryApplyAsync(syncContext, "Description", "Sync value");

        Assert.False(applied);
        Assert.Equal("SHOC edited", wo.Description);

        var logs = await context.WorkOrderAuditLogs.ToListAsync();
        Assert.Single(logs);
        Assert.Equal("SyncRejected", logs[0].Action);
        Assert.Equal("Sync", logs[0].EventType);
    }

    [Fact]
    public async Task TryApply_WhenFieldNotLocked_AppliesValue()
    {
        await using var context = CreateContext();
        var wo = new WorkOrder { Id = 11, Description = "Original" };
        context.workOrders.Add(wo);
        await context.SaveChangesAsync();

        var locks = new WorkOrderFieldLockService(context);
        var audit = new WorkOrderAuditService(context, locks);
        var policy = new SyncFieldMergePolicy(locks, audit);

        var syncContext = new WorkOrderSyncContext
        {
            WorkOrder = wo,
            FieldLocks = locks,
            Audit = audit
        };

        var applied = await policy.TryApplyAsync(syncContext, "Description", "From sync");

        Assert.True(applied);
        Assert.Equal("From sync", wo.Description);
    }
}