public static Task <T> FirstOrDefaultAsync <T>(this IQueryable <T> source)
{
if (IsInUnitTest)
{
return(Task.FromResult(source.FirstOrDefault()));
}
return(QE.FirstOrDefaultAsync(source));
}
public static Task <T> FirstOrDefaultAsync <T>(this IQueryable <T> source, Expression <Func <T, bool> > predicate)
{
if (IsInUnitTest)
{
return(Task.FromResult(source.FirstOrDefault(predicate)));
}
return(QE.FirstOrDefaultAsync(source, predicate));
}
public static IQueryable <T> Include <T, TProperty>(this IQueryable <T> source, Expression <Func <T, TProperty> > path)
{
if (IsInUnitTest)
{
return(source);
}
return(QE.Include(source, path));
}
public static Task <int> CountAsync <T>(this IQueryable <T> source)
{
if (IsInUnitTest)
{
return(Task.FromResult(source.Count()));
}
return(QE.CountAsync(source));
}
public static Task LoadAsync(this IQueryable source)
{
if (IsInUnitTest)
{
return(Task.FromResult(source));
}
return(QE.LoadAsync(source));
}
public static Task <List <T> > ToListAsync <T>(this IQueryable <T> source)
{
if (IsInUnitTest)
{
return(Task.FromResult(source.ToList()));
}
return(QE.ToListAsync(source));
}
public static Task <T[]> ToArrayAsync <T>(this IQueryable <T> source)
{
if (IsInUnitTest)
{
return(Task.FromResult(source.ToArray()));
}
return(QE.ToArrayAsync(source));
}
public static Task <bool> AnyAsync <T>(this IQueryable <T> source)
{
if (IsInUnitTest)
{
return(Task.FromResult(source.Any()));
}
return(QE.AnyAsync(source));
}
public static IQueryable <T> AsNoTracking <T>(this IQueryable <T> source)
where T : class
{
if (IsInUnitTest)
{
return(source);
}
return(QE.AsNoTracking(source));
}
public static Task <T> FirstOrDefaultAsync <T>(this IQueryable <T> source, Expression <Func <T, bool> > predicate)
where T : class
{
if (source is EntitySet <T> )
{
source = (source as EntitySet <T>).DbSet;
}
return(Extensions.FirstOrDefaultAsync(source, predicate));
}
public static Task <int> CountAsync <T>(this IQueryable <T> source)
where T : class
{
if (source is EntitySet <T> )
{
source = (source as EntitySet <T>).DbSet;
}
return(Extensions.CountAsync(source));
}
public static Task <T[]> ToArrayAsync <T>(this IQueryable <T> source)
where T : class
{
if (source is EntitySet <T> )
{
source = (source as EntitySet <T>).DbSet;
}
else
{
return(Task.Run(() => source.ToArray()));
}
return(Extensions.ToArrayAsync(source));
}
public static async Task <T> FirstOrDefaultAsync <T>(this IQueryable <T> source, Expression <Func <T, bool> > predicate)
where T : class
{
if (predicate == null)
{
throw new ArgumentNullException($"The {nameof(predicate)} can not be null.");
}
if (source is EntitySet <T> )
{
source = (source as EntitySet <T>).DbSet;
}
T result = await Extensions.FirstOrDefaultAsync(source, predicate).ConfigureAwait(continueOnCapturedContext: false);
return(result);
}