backend_test.go

package proxyd

import (
	"github.com/stretchr/testify/assert"
	"testing"
)

func TestStripXFF(t *testing.T) {
	tests := []struct {
		in, out string
	}{
		{"1.2.3, 4.5.6, 7.8.9", "1.2.3"},
		{"1.2.3,4.5.6", "1.2.3"},
		{" 1.2.3 , 4.5.6 ", "1.2.3"},
	}

	for _, test := range tests {
		actual := stripXFF(test.in)
		assert.Equal(t, test.out, actual)
	}
}