public void Test5()
{
IServiceCollection sc = new ServiceCollection()
.AddLightweightMapper();
IServiceProvider sp = sc.BuildServiceProvider();
IMapperProvider provider = sp.GetRequiredService <IMapperProvider>();
var a1 = provider.DefineCopyTo <S1, S2>(m => m.A);
S2 t1 = new S2();
S1 s1 = new S1()
{
A = "10"
};
a1(s1, t1);
Assert.Null(t1.A);
a1 = provider.DefineCopyTo <S1, S2>(null);
a1(s1, t1);
Assert.Equal("10", t1.A);
// 去掉CD属性
var a2 = provider.DefineCopyTo <S5, S6>(m => new S5
{
C = m.C,
D = m.D
});
S5 s2 = new S5()
{
A = "A", B = 10, C = 2, D = 1, E = new S5()
{
C = 20, D = 10
}
};
S6 t2 = new S6();
a2(s2, t2);
Assert.Equal("A", t2.A);
Assert.Null(t2.B);
Assert.Equal(0, t2.C);
Assert.Equal(0, t2.D1);
Assert.Equal(20, t2.E.C);
Assert.Equal(10, t2.E.D1);
a2 = provider.DefineCopyTo <S5, S6>(m => new S5
{
E = new S5
{
C = 0,
D = null,
}
});
t2.E = new S6();
a2(s2, t2);
Assert.Equal(2, t2.C);
Assert.Equal(0, t2.E.C);
Assert.Equal(0, t2.E.D1);
}
public void TestCopyDefine()
{
IServiceCollection sc = new ServiceCollection()
.AddLightweightMapper();
IServiceProvider sp = sc.BuildServiceProvider();
IMapperProvider provider = sp.GetRequiredService <IMapperProvider>();
SourceA a = new SourceA()
{
A = "A",
B = "B",
C = "C"
};
TargetA ta = new TargetA();
var copyFunc = provider.DefineCopyTo <SourceA, TargetA>();
copyFunc(a, ta);
Assert.Equal("A", ta.A);
Assert.Equal("B", ta.D);
Assert.Equal("C", ta.E);
Assert.Equal("A", ta.X1);
Assert.Equal("C", ta.X2);
var copyFunc2 = provider.DefineCopyTo <SourceA, TargetA>(t => new
{
A = t.A
});
ta = new TargetA();
copyFunc2(a, ta);
Assert.Null(ta.A);
Assert.Equal("B", ta.D);
Assert.Equal("C", ta.E);
Assert.Null(ta.X1);
Assert.Equal("C", ta.X2);
}