/*
 * Copyright 2021 CloudWeGo Authors
 *
 * Licensed 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 utils

import (
	"errors"
	"testing"

	"github.com/cloudwego/kitex/internal/test"
)

func TestErrChain(t *testing.T) {
	var ec ErrChain
	test.Assert(t, !ec.HasError())
	test.Assert(t, ec.Error() == "")

	ec.Append(errors.New("err1"))
	test.Assert(t, ec.HasError())
	test.Assert(t, ec.Error() == "err1")

	ec.Append(errors.New("err2"))
	test.Assert(t, ec.HasError())
	test.Assert(t, ec.Error() == "err1 | err2")

	ec.UseSeparator("+")
	test.Assert(t, ec.HasError())
	test.Assert(t, ec.Error() == "err1+err2")

	var ec2 ErrChain
	test.Assert(t, !ec2.HasError())
	test.Assert(t, ec2.Error() == "")
	ec2.Append(errors.New("err1"))
	ec2.Append(errors.New("err2"))
	test.Assert(t, ec2.Error() == "err1 | err2")
}
