traefik/ip/strategy_test.go

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package ip
import (
"net/http"
"net/http/httptest"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestRemoteAddrStrategy_GetIP(t *testing.T) {
testCases := []struct {
desc string
expected string
}{
{
desc: "Use RemoteAddr",
expected: "192.0.2.1:1234",
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
strategy := RemoteAddrStrategy{}
req := httptest.NewRequest(http.MethodGet, "http://127.0.0.1", nil)
actual := strategy.GetIP(req)
assert.Equal(t, test.expected, actual)
})
}
}
func TestDepthStrategy_GetIP(t *testing.T) {
testCases := []struct {
desc string
depth int
xForwardedFor string
expected string
}{
{
desc: "Use depth",
depth: 3,
xForwardedFor: "10.0.0.4,10.0.0.3,10.0.0.2,10.0.0.1",
expected: "10.0.0.3",
},
{
desc: "Use non existing depth in XForwardedFor",
depth: 2,
xForwardedFor: "",
expected: "",
},
{
desc: "Use depth that match the first IP in XForwardedFor",
depth: 2,
xForwardedFor: "10.0.0.2,10.0.0.1",
expected: "10.0.0.2",
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
strategy := DepthStrategy{Depth: test.depth}
req := httptest.NewRequest(http.MethodGet, "http://127.0.0.1", nil)
req.Header.Set(xForwardedFor, test.xForwardedFor)
actual := strategy.GetIP(req)
assert.Equal(t, test.expected, actual)
})
}
}
func TestExcludedIPsStrategy_GetIP(t *testing.T) {
testCases := []struct {
desc string
excludedIPs []string
xForwardedFor string
expected string
}{
{
desc: "Use excluded all IPs",
excludedIPs: []string{"10.0.0.4", "10.0.0.3", "10.0.0.2", "10.0.0.1"},
xForwardedFor: "10.0.0.4,10.0.0.3,10.0.0.2,10.0.0.1",
expected: "",
},
{
desc: "Use excluded IPs",
excludedIPs: []string{"10.0.0.2", "10.0.0.1"},
xForwardedFor: "10.0.0.4,10.0.0.3,10.0.0.2,10.0.0.1",
expected: "10.0.0.3",
},
{
desc: "Use excluded IPs CIDR",
excludedIPs: []string{"10.0.0.1/24"},
xForwardedFor: "127.0.0.1,10.0.0.4,10.0.0.3,10.0.0.2,10.0.0.1",
expected: "127.0.0.1",
},
{
desc: "Use excluded all IPs CIDR",
excludedIPs: []string{"10.0.0.1/24"},
xForwardedFor: "10.0.0.4,10.0.0.3,10.0.0.2,10.0.0.1",
expected: "",
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
checker, err := NewChecker(test.excludedIPs)
require.NoError(t, err)
strategy := CheckerStrategy{Checker: checker}
req := httptest.NewRequest(http.MethodGet, "http://127.0.0.1", nil)
req.Header.Set(xForwardedFor, test.xForwardedFor)
actual := strategy.GetIP(req)
assert.Equal(t, test.expected, actual)
})
}
}