// Copyright 2016 Prometheus Team
// 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 config

import (
	"testing"

	"gopkg.in/yaml.v2"
)

func TestDefaultReceiverExists(t *testing.T) {
	in := `
route:
   group_wait: 30s
`

	conf := &Config{}
	err := yaml.Unmarshal([]byte(in), conf)

	expected := "Root route must specify a default receiver"

	if err == nil {
		t.Fatalf("no error returned, expected:\n%v", expected)
	}
	if err.Error() != expected {
		t.Errorf("\nexpected:\n%v\ngot:\n%v", expected, err.Error())
	}
}