package test

import (
	"go-micro.dev/v5/registry"
)

var (
	// Data is a set of mock registry data.
	Data = map[string][]*registry.Service{
		"foo": {
			{
				Name:    "foo",
				Version: "1.0.0",
				Nodes: []*registry.Node{
					{
						Id:      "foo-1.0.0-123",
						Address: "localhost:9999",
					},
					{
						Id:      "foo-1.0.0-321",
						Address: "localhost:9999",
					},
				},
			},
			{
				Name:    "foo",
				Version: "1.0.1",
				Nodes: []*registry.Node{
					{
						Id:      "foo-1.0.1-321",
						Address: "localhost:6666",
					},
				},
			},
			{
				Name:    "foo",
				Version: "1.0.3",
				Nodes: []*registry.Node{
					{
						Id:      "foo-1.0.3-345",
						Address: "localhost:8888",
					},
				},
			},
		},
	}
)

// EmptyChannel will empty out a error channel by checking if an error is
// present, and if so return the error.
func EmptyChannel(c chan error) error {
	select {
	case err := <-c:
		return err
	default:
		return nil
	}
}