public void TestRepositoryConstructorTest()
{
//1.准备工作
IUnitOfWork unitOfWork = new TestDBContext(); // TODO: 初始化为适当的值
TestRepository target = new TestRepository(unitOfWork);
//
bool isTrue = target.Context is TestDBContext;
Assert.IsTrue(isTrue, "给定对象不能转换为指定的TestDBContext类型");
isTrue = target.Context is BaseDBContext;
Assert.IsTrue(isTrue, "给定对象不能转换为指定的BaseDBContext类型");
TestModel test = new TestModel();
target.Insert(test);
TestDBContext testDBC = target.Context as TestDBContext;
Assert.AreEqual(testDBC, target.Context);
Assert.IsNotNull(testDBC.Tests.Find(test.testID));
Assert.IsNull(testDBC.Tests.Find(0));
BaseDBContext baseDBC = target.Context as BaseDBContext;
Assert.IsNotNull(baseDBC.Set <TestModel>().Find(test.testID));
Assert.IsNull(baseDBC.Set <TestModel>().Find(0));
Assert.AreEqual(testDBC, target.Context);
}
/// <summary>
/// Initializes a new instance of the <see cref="GenericRepository{TEntity}" /> class.
/// </summary>
/// <param name="unitOfWork">The unit of work.</param>
/// <exception cref="System.ArgumentNullException">不能为null.</exception>
/// <exception cref="System.ArgumentException">IUnitOfWork类型接口必须为可以转换为BaseDBContext类型的对象</exception>
public GenericRepository(IUnitOfWork unitOfWork)
{
if (unitOfWork == null)
{
throw new ArgumentNullException("不能为null.");
}
_context = unitOfWork as BaseDBContext;
if (_context == null)
{
throw new ArgumentException("IUnitOfWork类型接口必须为可以转换为BaseDBContext类型的对象");
}
this.dbSet = _context.Set <TEntity>();
}
public virtual async Task AddRangeAsync(IEnumerable <TEntity> obj)
{
try
{
_context.ChangeTracker.LazyLoadingEnabled = false;
_context.ChangeTracker.QueryTrackingBehavior = QueryTrackingBehavior.NoTracking;
_context.ChangeTracker.AutoDetectChangesEnabled = false;
await _context.BulkInsertAsync(obj.ToList());
}
catch (DbUpdateConcurrencyException)
{
if (!_context.Set <TEntity>().Any())
{
return;
}
else
{
throw;
}
}
}
/// <summary>
/// 获取实体集合
/// </summary>
/// <returns></returns>
public List <TEntity> GetAllList()
{
return(_dbContext.Set <TEntity>().ToList());
}
