101 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package transport
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import (
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	"context"
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	"os"
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	"testing"
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)
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func TestMemoryTransport(t *testing.T) {
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	tr := NewTransport()
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	ctx := context.Background()
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	// bind / listen
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	l, err := tr.Listen(ctx, "127.0.0.1:8080")
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	if err != nil {
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		t.Fatalf("Unexpected error listening %v", err)
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	}
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	defer l.Close()
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	cherr := make(chan error, 1)
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	// accept
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	go func() {
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		if nerr := l.Accept(func(sock Socket) {
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			for {
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				var m Message
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				if rerr := sock.Recv(&m); rerr != nil {
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					cherr <- rerr
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					return
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				}
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				if len(os.Getenv("INTEGRATION_TESTS")) == 0 {
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					t.Logf("Server Received %s", string(m.Body))
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				}
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				if cerr := sock.Send(&Message{
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					Body: []byte(`pong`),
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				}); cerr != nil {
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					cherr <- cerr
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					return
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				}
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			}
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		}); nerr != nil {
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			cherr <- err
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		}
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	}()
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	// dial
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	c, err := tr.Dial(ctx, "127.0.0.1:8080")
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	if err != nil {
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		t.Fatalf("Unexpected error dialing %v", err)
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	}
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	defer c.Close()
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	select {
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	case err := <-cherr:
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		t.Fatal(err)
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	default:
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		// send <=> receive
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		for i := 0; i < 3; i++ {
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			if err := c.Send(&Message{
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				Body: []byte(`ping`),
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			}); err != nil {
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				return
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			}
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			var m Message
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			if err := c.Recv(&m); err != nil {
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				return
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			}
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			if len(os.Getenv("INTEGRATION_TESTS")) == 0 {
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				t.Logf("Client Received %s", string(m.Body))
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			}
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		}
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	}
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}
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func TestListener(t *testing.T) {
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	tr := NewTransport()
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	ctx := context.Background()
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	// bind / listen on random port
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	l, err := tr.Listen(ctx, ":0")
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	if err != nil {
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		t.Fatalf("Unexpected error listening %v", err)
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	}
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	defer l.Close()
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	// try again
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	l2, err := tr.Listen(ctx, ":0")
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	if err != nil {
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		t.Fatalf("Unexpected error listening %v", err)
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	}
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	defer l2.Close()
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	// now make sure it still fails
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	l3, err := tr.Listen(ctx, ":8080")
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	if err != nil {
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		t.Fatalf("Unexpected error listening %v", err)
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	}
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	defer l3.Close()
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	if _, err := tr.Listen(ctx, ":8080"); err == nil {
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		t.Fatal("Expected error binding to :8080 got nil")
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	}
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}
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