Fix unit tests / Travis (#238)

* Fix net_test

* Update host test to add carriage return char

* Fix host_test so it will not hang if the SSH connection fails

Fixes #231, closes #235.

host_test.go

@@ -71,7 +71,7 @@ func TestHostNameCollision(t *testing.T) {
 			// Consume the initial buffer
 			scanner.Scan()
 			actual := stripPrompt(scanner.Text())
-			expected := " * foo joined. (Connected: 1)"
+			expected := " * foo joined. (Connected: 1)\r"
 			if actual != expected {
 				t.Errorf("Got %q; expected %q", actual, expected)
 			}
@@ -87,7 +87,7 @@ func TestHostNameCollision(t *testing.T) {
 				t.Errorf("First client failed to get 'foo' name: %q", actual)
 			}
 			actual = stripPrompt(actual)
-			expected = " * Guest1 joined. (Connected: 2)"
+			expected = " * Guest1 joined. (Connected: 2)\r"
 			if actual != expected {
 				t.Errorf("Got %q; expected %q", actual, expected)
 			}
@@ -97,6 +97,7 @@ func TestHostNameCollision(t *testing.T) {
 			return nil
 		})
 		if err != nil {
+			done <- struct{}{}
 			t.Fatal(err)
 		}
 	}()
@@ -203,6 +204,7 @@ func TestHostKick(t *testing.T) {
 			return nil
 		})
 		if err != nil {
+			connected <- struct{}{}
 			close(connected)
 			t.Fatal(err)
 		}
@@ -218,6 +220,7 @@ func TestHostKick(t *testing.T) {
 			return nil
 		})
 		if err != nil {
+			close(done)
 			t.Fatal(err)
 		}
 		close(done)

sshd/client.go

@@ -26,6 +26,7 @@ func NewClientConfig(name string) *ssh.ClientConfig {
 				return
 			}),
 		},
+		HostKeyCallback: ssh.InsecureIgnoreHostKey(),
 	}
 }
 

sshd/net_test.go

@@ -52,7 +52,7 @@ func TestServeTerminals(t *testing.T) {
 		if err != nil {
 			t.Error(err)
 		}
-		_, err = term.Write([]byte("echo: " + line + "\r\n"))
+		_, err = term.Write([]byte("echo: " + line + "\n"))
 		if err != nil {
 			t.Error(err)
 		}