public void MapListPerformanceTest()
{
try
{
var times = 1000000;
var sources = Enumerable.Range(1, 100 * 100 * 100).Select(a => new Source {
Name = "1", Age = 1, Birth = DateTime.Now, NoMatch1 = "noMatchField", Week = DayOfWeek.Wednesday
}).ToList();
//MapperConfiguration cfg = new MapperConfiguration(c =>
//{
// c.CreateMap<Source, Target>();
//});
//var autoMap = cfg.CreateMapper();
//Stopwatch autoMapWatch = Stopwatch.StartNew();
//var autoMapTargets = autoMap.Map<List<Source>, List<Target>>(sources);
//autoMapWatch.Stop();
Stopwatch expressionWatch = Stopwatch.StartNew();
var expressionsTargets = EasyMap.MapToList <Source, Target>(sources);
expressionWatch.Stop();
}
catch (Exception ex)
{
var a = ex;
}
}
public void MapToListTest()
{
try
{
var sourceType = typeof(Source);
var targetType = typeof(Target);
var includeFields = new List <string> {
"Name", "Age", "Birth", "Week", "ExceptField"
};
Expression <Func <Target, object> > includeSelector = t => new { t.Name, t.Age, t.Birth, t.Week };
var exceptFields = new List <string> {
"ExceptField"
};
Expression <Func <Target, object> > exceptSelector = t => new { t.ExceptField };
var sources = new List <Source> {
new Source {
Name = "zhoujing", Age = 30, Birth = new DateTime(1989, 1, 1), NoMatch1 = "未匹配的字段，不会赋值到target", Week = DayOfWeek.Wednesday, ExceptField = "这个是排除的字段", NotIncludeField = "这个是不包含字段"
}
};
Target target;
var targets = EasyMap.MapToList <Source, Target>(sources);
Assert.True(targets.All(target => IsMatch(sources[0], target, false, false)));
targets.ForEach(target => target.Clear());
targets = EasyMap.MapToList <Source, Target>(sources, includeFields);
Assert.True(targets.All(target => IsMatch(sources[0], target, false, true)));
targets.ForEach(target => target.Clear());
targets = EasyMap.MapToList(sources, includeSelector, exceptSelector);
Assert.True(targets.All(target => IsMatch(sources[0], target, true, true)));
targets.ForEach(target => target.Clear());
targets = EasyMap.MapToList <Source, Target>(sources, includeFields, exceptFields);
Assert.True(targets.All(target => IsMatch(sources[0], target, true, true)));
}
catch (Exception ex)
{
throw;
}
}