Convey("PrimaryKeyer", t, func() {

model := &MockModel{}

Convey("SinglePrimaryKey", func() {

pk := NewSinglePrimaryKey(field.Name("Id"))

So(pk.Fields(), ShouldResemble, field.Names{field.Name("Id")})

fields, err := model.PrimaryKey().Generator(model)

So(len(fields), ShouldEqual, 0)

So(err, ShouldBeNil)

v, _ := model.Id.Value()

So(v, ShouldBeNil)

})

Convey("MultiplePrimaryKey", func() {

pk := NewMultiplePrimaryKey(field.Names{"Id", "Org"})

So(pk.Fields(), ShouldResemble, field.Names{"Id", "Org"})

fields, err := model.PrimaryKey().Generator(model)

So(len(fields), ShouldEqual, 0)

So(err, ShouldBeNil)

v, _ := model.Id.Value()

So(v, ShouldBeNil)

v, _ = model.Org.Value()

So(v, ShouldBeNil)

})

Convey("CustomPrimaryKey", func() {

pk := NewCustomPrimaryKey(field.Names{"Id", "Org"}, func(pk PrimaryKeyer, model Model) (field.Names, error) {

f, _ := ModelGetField(model, "Id")

f.Scan("abc-123")

return field.Names{"Id"}, nil

})

fields, err := pk.Generator(model)

So(len(fields), ShouldEqual, 1)

So(err, ShouldBeNil)

v, _ := model.Id.Value()

So(v, ShouldEqual, "abc-123")

})

})