Test_Ctx_IPs() — fiber Function Reference

Architecture documentation for the Test_Ctx_IPs() function in ctx_test.go from the fiber codebase.

Function go FiberCore Routing

Entity Profile

FiberCore→ Routing→ Test_Ctx_IPs() — fiber Function Reference

Dependency Diagram

graph TD
  ec6af1c0_8134_3ac7_b692_923a57abf6df["Test_Ctx_IPs()"]
  7b3d4933_5ae3_f84d_ff6d_0cb34e268026["ctx_test.go"]
  ec6af1c0_8134_3ac7_b692_923a57abf6df -->|defined in| 7b3d4933_5ae3_f84d_ff6d_0cb34e268026
  style ec6af1c0_8134_3ac7_b692_923a57abf6df fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

ctx_test.go lines 2970–3004

func Test_Ctx_IPs(t *testing.T) {
	t.Parallel()
	app := New()
	c := app.AcquireCtx(&fasthttp.RequestCtx{})

	// normal happy path test case
	c.Request().Header.Set(HeaderXForwardedFor, "127.0.0.1, 127.0.0.2, 127.0.0.3")
	require.Equal(t, []string{"127.0.0.1", "127.0.0.2", "127.0.0.3"}, c.IPs())

	// inconsistent space formatting
	c.Request().Header.Set(HeaderXForwardedFor, "127.0.0.1,127.0.0.2  ,127.0.0.3")
	require.Equal(t, []string{"127.0.0.1", "127.0.0.2", "127.0.0.3"}, c.IPs())

	// invalid IPs are allowed to be returned
	c.Request().Header.Set(HeaderXForwardedFor, "invalid, 127.0.0.1, 127.0.0.2")
	require.Equal(t, []string{"invalid", "127.0.0.1", "127.0.0.2"}, c.IPs())
	c.Request().Header.Set(HeaderXForwardedFor, "127.0.0.1, invalid, 127.0.0.2")
	require.Equal(t, []string{"127.0.0.1", "invalid", "127.0.0.2"}, c.IPs())

	// ensure that the ordering of IPs in the header is maintained
	c.Request().Header.Set(HeaderXForwardedFor, "127.0.0.3, 127.0.0.1, 127.0.0.2")
	require.Equal(t, []string{"127.0.0.3", "127.0.0.1", "127.0.0.2"}, c.IPs())

	// ensure for IPv6
	c.Request().Header.Set(HeaderXForwardedFor, "9396:9549:b4f7:8ed0:4791:1330:8c06:e62d, invalid, 2345:0425:2CA1::0567:5673:23b5")
	require.Equal(t, []string{"9396:9549:b4f7:8ed0:4791:1330:8c06:e62d", "invalid", "2345:0425:2CA1::0567:5673:23b5"}, c.IPs())

	// empty header
	c.Request().Header.Set(HeaderXForwardedFor, "")
	require.Empty(t, c.IPs())

	// missing header
	c.Request()
	require.Empty(t, c.IPs())
}