133 lines
2.1 KiB
Go
133 lines
2.1 KiB
Go
package tunnel
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import (
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"sync"
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"testing"
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"time"
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"github.com/micro/go-micro/transport"
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)
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// testAccept will accept connections on the transport, create a new link and tunnel on top
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func testAccept(t *testing.T, tun Tunnel, wg *sync.WaitGroup) {
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// listen on some virtual address
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tl, err := tun.Listen("test-tunnel")
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if err != nil {
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t.Fatal(err)
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}
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// accept a connection
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c, err := tl.Accept()
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if err != nil {
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t.Fatal(err)
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}
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// get a message
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for {
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m := new(transport.Message)
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if err := c.Recv(m); err != nil {
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t.Fatal(err)
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}
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wg.Done()
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return
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}
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}
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// testSend will create a new link to an address and then a tunnel on top
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func testSend(t *testing.T, tun Tunnel) {
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// dial a new session
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c, err := tun.Dial("test-tunnel")
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if err != nil {
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t.Fatal(err)
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}
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defer c.Close()
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m := transport.Message{
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Header: map[string]string{
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"test": "header",
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},
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}
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if err := c.Send(&m); err != nil {
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t.Fatal(err)
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}
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}
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func TestTunnel(t *testing.T) {
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// create a new tunnel client
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tunA := NewTunnel(
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Address("127.0.0.1:9096"),
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Nodes("127.0.0.1:9097"),
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)
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// create a new tunnel server
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tunB := NewTunnel(
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Address("127.0.0.1:9097"),
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)
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// start tunB
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err := tunB.Connect()
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if err != nil {
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t.Fatal(err)
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}
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defer tunB.Close()
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time.Sleep(time.Millisecond * 50)
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// start tunA
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err = tunA.Connect()
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if err != nil {
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t.Fatal(err)
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}
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defer tunA.Close()
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time.Sleep(time.Millisecond * 50)
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var wg sync.WaitGroup
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// start accepting connections
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// on tunnel A
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wg.Add(1)
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go testAccept(t, tunA, &wg)
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time.Sleep(time.Millisecond * 50)
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// dial and send via B
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testSend(t, tunB)
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// wait until done
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wg.Wait()
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}
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func TestLoopbackTunnel(t *testing.T) {
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// create a new tunnel client
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tun := NewTunnel(
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Address("127.0.0.1:9096"),
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Nodes("127.0.0.1:9096"),
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)
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// start tunB
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err := tun.Connect()
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if err != nil {
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t.Fatal(err)
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}
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defer tun.Close()
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time.Sleep(time.Millisecond * 50)
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var wg sync.WaitGroup
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// start accepting connections
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// on tunnel A
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wg.Add(1)
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go testAccept(t, tun, &wg)
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time.Sleep(time.Millisecond * 50)
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// dial and send via B
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testSend(t, tun)
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// wait until done
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wg.Wait()
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}
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