57 lines
888 B
Go
57 lines
888 B
Go
|
package event_test
|
||
|
|
|
||
|
|
import (
|
||
|
|
"testing"
|
||
|
|
|
||
|
|
"github.com/sour-is/ev/pkg/es/event"
|
||
|
|
)
|
||
|
|
|
||
|
|
type Agg struct {
|
||
|
|
Value string
|
||
|
|
|
||
|
|
event.AggregateRoot
|
||
|
|
}
|
||
|
|
|
||
|
|
var _ event.Aggregate = (*Agg)(nil)
|
||
|
|
|
||
|
|
func (a *Agg) streamID() string {
|
||
|
|
return "value-" + a.Value
|
||
|
|
}
|
||
|
|
|
||
|
|
// ApplyEvent applies the event to the aggrigate state
|
||
|
|
func (a *Agg) ApplyEvent(lis ...event.Event) {
|
||
|
|
for _, e := range lis {
|
||
|
|
switch e := e.(type) {
|
||
|
|
case *ValueApplied:
|
||
|
|
a.Value = e.Value
|
||
|
|
a.SetStreamID(a.streamID())
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
type ValueApplied struct {
|
||
|
|
Value string
|
||
|
|
|
||
|
|
eventMeta event.Meta
|
||
|
|
}
|
||
|
|
|
||
|
|
var _ event.Event = (*ValueApplied)(nil)
|
||
|
|
|
||
|
|
func (e *ValueApplied) EventMeta() event.Meta {
|
||
|
|
if e == nil {
|
||
|
|
return event.Meta{}
|
||
|
|
}
|
||
|
|
return e.eventMeta
|
||
|
|
}
|
||
|
|
|
||
|
|
func (e *ValueApplied) SetEventMeta(m event.Meta) {
|
||
|
|
if e != nil {
|
||
|
|
e.eventMeta = m
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestAggregate(t *testing.T) {
|
||
|
|
agg := &Agg{}
|
||
|
|
event.Append(agg, &ValueApplied{Value: "one"})
|
||
|
|
}
|