175 lines
3.0 KiB
Go
175 lines
3.0 KiB
Go
package transport
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import (
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"strings"
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"testing"
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)
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func expectedPort(t *testing.T, expected string, lsn Listener) {
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parts := strings.Split(lsn.Addr(), ":")
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port := parts[len(parts)-1]
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if port != expected {
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lsn.Close()
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t.Errorf("Expected address to be `%s`, got `%s`", expected, port)
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}
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}
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func TestHTTPTransportPortRange(t *testing.T) {
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tp := NewTransport()
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lsn1, err := tp.Listen(":44444-44448")
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if err != nil {
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t.Errorf("Did not expect an error, got %s", err)
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}
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expectedPort(t, "44444", lsn1)
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lsn2, err := tp.Listen(":44444-44448")
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if err != nil {
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t.Errorf("Did not expect an error, got %s", err)
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}
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expectedPort(t, "44445", lsn2)
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lsn, err := tp.Listen(":0")
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if err != nil {
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t.Errorf("Did not expect an error, got %s", err)
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}
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lsn.Close()
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lsn1.Close()
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lsn2.Close()
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}
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func TestHTTPTransportCommunication(t *testing.T) {
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tr := NewTransport()
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l, err := tr.Listen(":0")
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if err != nil {
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t.Errorf("Unexpected listen err: %v", err)
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}
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defer l.Close()
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fn := func(sock Socket) {
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defer sock.Close()
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for {
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var m Message
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if err := sock.Recv(&m); err != nil {
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return
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}
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if err := sock.Send(&m); err != nil {
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return
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}
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}
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}
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done := make(chan bool)
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go func() {
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if err := l.Accept(fn); err != nil {
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select {
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case <-done:
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default:
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t.Errorf("Unexpected accept err: %v", err)
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}
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}
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}()
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c, err := tr.Dial(l.Addr())
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if err != nil {
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t.Errorf("Unexpected dial err: %v", err)
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}
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defer c.Close()
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m := Message{
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Header: map[string]string{
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"Content-Type": "application/json",
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},
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Body: []byte(`{"message": "Hello World"}`),
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}
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if err := c.Send(&m); err != nil {
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t.Errorf("Unexpected send err: %v", err)
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}
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var rm Message
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if err := c.Recv(&rm); err != nil {
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t.Errorf("Unexpected recv err: %v", err)
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}
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if string(rm.Body) != string(m.Body) {
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t.Errorf("Expected %v, got %v", m.Body, rm.Body)
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}
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close(done)
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}
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func TestHTTPTransportError(t *testing.T) {
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tr := NewTransport()
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l, err := tr.Listen(":0")
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if err != nil {
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t.Errorf("Unexpected listen err: %v", err)
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}
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defer l.Close()
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fn := func(sock Socket) {
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defer sock.Close()
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for {
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var m Message
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if err := sock.Recv(&m); err != nil {
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t.Fatal(err)
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}
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sock.(*httpTransportSocket).error(&Message{
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Body: []byte(`an error occurred`),
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})
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}
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}
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done := make(chan bool)
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go func() {
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if err := l.Accept(fn); err != nil {
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select {
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case <-done:
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default:
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t.Errorf("Unexpected accept err: %v", err)
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}
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}
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}()
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c, err := tr.Dial(l.Addr())
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if err != nil {
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t.Errorf("Unexpected dial err: %v", err)
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}
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defer c.Close()
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m := Message{
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Header: map[string]string{
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"Content-Type": "application/json",
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},
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Body: []byte(`{"message": "Hello World"}`),
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}
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if err := c.Send(&m); err != nil {
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t.Errorf("Unexpected send err: %v", err)
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}
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var rm Message
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err = c.Recv(&rm)
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if err == nil {
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t.Fatal("Expected error but got nil")
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}
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if err.Error() != "500 Internal Server Error: an error occurred" {
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t.Fatalf("Did not receive expected error, got: %v", err)
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}
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close(done)
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}
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