tcpip_test.go

Documentation: golang.org/x/crypto/ssh

     1  // Copyright 2014 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package ssh
     6  
     7  import (
     8  	"context"
     9  	"net"
    10  	"testing"
    11  	"time"
    12  )
    13  
    14  func TestAutoPortListenBroken(t *testing.T) {
    15  	broken := "SSH-2.0-OpenSSH_5.9hh11"
    16  	works := "SSH-2.0-OpenSSH_6.1"
    17  	if !isBrokenOpenSSHVersion(broken) {
    18  		t.Errorf("version %q not marked as broken", broken)
    19  	}
    20  	if isBrokenOpenSSHVersion(works) {
    21  		t.Errorf("version %q marked as broken", works)
    22  	}
    23  }
    24  
    25  func TestClientImplementsDialContext(t *testing.T) {
    26  	type ContextDialer interface {
    27  		DialContext(context.Context, string, string) (net.Conn, error)
    28  	}
    29  	// Belt and suspenders assertion, since package net does not
    30  	// declare a ContextDialer type.
    31  	var _ ContextDialer = &net.Dialer{}
    32  	var _ ContextDialer = &Client{}
    33  }
    34  
    35  func TestClientDialContextWithCancel(t *testing.T) {
    36  	c := &Client{}
    37  	ctx, cancel := context.WithCancel(context.Background())
    38  	cancel()
    39  	_, err := c.DialContext(ctx, "tcp", "localhost:1000")
    40  	if err != context.Canceled {
    41  		t.Errorf("DialContext: got nil error, expected %v", context.Canceled)
    42  	}
    43  }
    44  
    45  func TestClientDialContextWithDeadline(t *testing.T) {
    46  	c := &Client{}
    47  	ctx, cancel := context.WithDeadline(context.Background(), time.Now())
    48  	defer cancel()
    49  	_, err := c.DialContext(ctx, "tcp", "localhost:1000")
    50  	if err != context.DeadlineExceeded {
    51  		t.Errorf("DialContext: got nil error, expected %v", context.DeadlineExceeded)
    52  	}
    53  }
    54
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