/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package chain

import (
	"errors"
	"testing"
)

func TestCallback_Invoke(t *testing.T) {
	cb := &Callback{Func: func(r Result) {
		if r.Args[0].(bool) != r.OK {
			t.Fatalf("TestCallback_Invoke failed")
		}
		if !r.OK && r.Err == nil {
			t.Fatalf("TestCallback_Invoke failed")
		}
	}, Async: false}
	cb.Success(true)
	cb.Fail(errors.New("error"), false)
	cb.Invoke(Result{OK: true, Args: []interface{}{true}})

	ch := make(chan struct{})
	cb = &Callback{Func: func(r Result) {
		if r.Args[0].(bool) != r.OK {
			t.Fatalf("TestCallback_Invoke failed")
		}
		if !r.OK && r.Err == nil {
			t.Fatalf("TestCallback_Invoke failed")
		}
		ch <- struct{}{}
	}, Async: true}
	cb.Success(true)
	cb.Fail(errors.New("error"), false)
	cb.Invoke(Result{OK: true, Args: []interface{}{true}})
	<-ch

	cb = &Callback{}
	cb.Success(true)
	cb.Fail(errors.New("error"), false)
	cb.Invoke(Result{OK: true, Args: []interface{}{true}})
}