Delta-v/Content.IntegrationTests/Tests/Station/JobTests.cs

using Content.Shared.Roles;
using Content.Shared.Roles.Jobs;
using Robust.Shared.Prototypes;
using System.Linq;
using Content.IntegrationTests.Fixtures;

namespace Content.IntegrationTests.Tests.Station;

[TestFixture]
[TestOf(typeof(SharedJobSystem))]
public sealed class JobTest : GameTest
{
    /// <summary>
    /// Ensures that every job belongs to at most 1 primary department.
    /// Having no primary department is ok.
    /// </summary>
    [Test]
    public async Task PrimaryDepartmentsTest()
    {
        var pair = Pair;
        var server = pair.Server;

        var prototypeManager = server.ResolveDependency<IPrototypeManager>();

        await server.WaitAssertion(() =>
        {
            // only checking primary departments so don't bother with others
            var departments = prototypeManager.EnumeratePrototypes<DepartmentPrototype>()
                .Where(department => department.Primary)
                .ToList();
            var jobs = prototypeManager.EnumeratePrototypes<JobPrototype>();
            foreach (var job in jobs)
            {
                // not actually using the jobs system since that will return the first department
                // and we need to test that there is never more than 1, so it not sorting them is correct
                var primaries = 0;
                foreach (var department in departments)
                {
                    if (!department.Roles.Contains(job.ID))
                        continue;

                    primaries++;
                    Assert.That(primaries, Is.EqualTo(1), $"The job {job.ID} has more than 1 primary department!");
                }
            }
        });
    }
}