public static void DeleteAll <T>(TestContextMemory ctx, Func <TestContextMemory, DbSet <T> > func) where T : class
{
var sets = func(ctx);
sets.RemoveRange(sets);
ctx.SaveChanges();
Assert.AreEqual(0, sets.Count());
}
public static List <T> Insert <T>(TestContextMemory ctx, Func <TestContextMemory, DbSet <T> > func, int count) where T : class, new()
{
var sets = func(ctx);
var countBefore = sets.Count();
var list = new List <T>();
for (var i = 0; i < count; i++)
{
var item = new T();
InsertFactory(item, i);
list.Add(item);
}
sets.AddRange(list);
ctx.SaveChanges();
Assert.AreEqual(count + countBefore, sets.Count());
return(list);
}