Files
scadalink-design/tests/ScadaLink.ConfigurationDatabase.Tests/TemplateEngineRepositoryTests.cs

91 lines
3.4 KiB
C#

using Microsoft.EntityFrameworkCore;
using ScadaLink.Commons.Entities.Templates;
using ScadaLink.ConfigurationDatabase;
using ScadaLink.ConfigurationDatabase.Repositories;
namespace ScadaLink.ConfigurationDatabase.Tests;
public class TemplateEngineRepositoryTests : IDisposable
{
private readonly ScadaLinkDbContext _context;
private readonly TemplateEngineRepository _repository;
public TemplateEngineRepositoryTests()
{
var options = new DbContextOptionsBuilder<ScadaLinkDbContext>()
.UseSqlite("DataSource=:memory:")
.Options;
_context = new ScadaLinkDbContext(options);
_context.Database.OpenConnection();
_context.Database.EnsureCreated();
_repository = new TemplateEngineRepository(_context);
}
public void Dispose()
{
_context.Database.CloseConnection();
_context.Dispose();
}
[Fact]
public async Task GetTemplateWithChildrenAsync_ReturnsTemplateWithAllMemberCollectionsPopulated()
{
// Arrange: a template with one attribute, one alarm, one script and one composition.
var composed = new Template("ComposedTemplate");
_context.Templates.Add(composed);
await _context.SaveChangesAsync();
var template = new Template("ParentTemplate");
template.Attributes.Add(new TemplateAttribute("Attr1"));
template.Alarms.Add(new TemplateAlarm("Alarm1"));
template.Scripts.Add(new TemplateScript("Script1", "return 1;"));
template.Compositions.Add(new TemplateComposition("Slot1") { ComposedTemplateId = composed.Id });
_context.Templates.Add(template);
await _context.SaveChangesAsync();
// Act
var loaded = await _repository.GetTemplateWithChildrenAsync(template.Id);
// Assert: the method must deliver the template's child members to the caller,
// not silently drop them. Regression guard for ConfigurationDatabase-001.
Assert.NotNull(loaded);
Assert.Equal(template.Id, loaded!.Id);
Assert.Single(loaded.Attributes);
Assert.Equal("Attr1", loaded.Attributes.First().Name);
Assert.Single(loaded.Alarms);
Assert.Equal("Alarm1", loaded.Alarms.First().Name);
Assert.Single(loaded.Scripts);
Assert.Equal("Script1", loaded.Scripts.First().Name);
Assert.Single(loaded.Compositions);
Assert.Equal("Slot1", loaded.Compositions.First().InstanceName);
}
[Fact]
public async Task GetTemplateWithChildrenAsync_ReturnsNull_WhenTemplateDoesNotExist()
{
var loaded = await _repository.GetTemplateWithChildrenAsync(9999);
Assert.Null(loaded);
}
[Fact]
public async Task GetTemplateWithChildrenAsync_PreservesParentTemplateId_ForInheritanceChainWalk()
{
// FlatteningPipeline.BuildTemplateChainAsync walks ParentTemplateId upward.
// The result of GetTemplateWithChildrenAsync must carry that link intact.
var baseTemplate = new Template("BaseTemplate");
_context.Templates.Add(baseTemplate);
await _context.SaveChangesAsync();
var derived = new Template("DerivedTemplate") { ParentTemplateId = baseTemplate.Id };
_context.Templates.Add(derived);
await _context.SaveChangesAsync();
var loaded = await _repository.GetTemplateWithChildrenAsync(derived.Id);
Assert.NotNull(loaded);
Assert.Equal(baseTemplate.Id, loaded!.ParentTemplateId);
}
}