package bittorrent

import (
	"fmt"
	"testing"

	"github.com/stretchr/testify/require"
)

func TestNew(t *testing.T) {
	table := []struct {
		data        string
		expected    Event
		expectedErr error
	}{
		{"", None, nil},
		{"NONE", None, nil},
		{"none", None, nil},
		{"started", Started, nil},
		{"stopped", Stopped, nil},
		{"completed", Completed, nil},
		{"notAnEvent", None, ErrUnknownEvent},
	}

	for _, tt := range table {
		t.Run(fmt.Sprintf("%#v expecting %s", tt.data, nilPrinter(tt.expectedErr)), func(t *testing.T) {
			got, err := NewEvent(tt.data)
			require.Equal(t, err, tt.expectedErr, "errors should equal the expected value")
			require.Equal(t, got, tt.expected, "events should equal the expected value")
		})
	}
}

func nilPrinter(err error) string {
	if err == nil {
		return "nil"
	}
	return err.Error()
}