goweb/cqrs/bus_test.go

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2020-04-16 16:32:02 +02:00
package cqrs
import (
"context"
"testing"
)
type testCommandRequest struct {
Foo string
}
func TestSimpleCommandExec(t *testing.T) {
bus := NewBus()
handlerCalled := false
handleTestCommand := func(ctx context.Context, cmd Command) error {
handlerCalled = true
return nil
}
bus.RegisterCommand(
MatchCommandRequest(&testCommandRequest{}),
CommandHandlerFunc(handleTestCommand),
)
cmd := &testCommandRequest{
Foo: "bar",
}
ctx := context.Background()
result, err := bus.Exec(ctx, cmd)
if err != nil {
t.Error(err)
}
if result == nil {
t.Error("result should not be nil")
}
if result.Command() == nil {
t.Error("result.Command() should not be nil")
}
if e, g := result.Command().Request(), cmd; e != g {
t.Errorf("result.Command().Request(): expected '%v', got '%v'", e, g)
}
if e, g := handlerCalled, true; e != g {
t.Errorf("handlerCalled: expected '%v', got '%v'", e, g)
}
}