net/memnet: rename from net/nettest

This is just #cleanup to resolve a TODO

Also add a package doc.

Signed-off-by: Maisem Ali <maisem@tailscale.com>

net/memnet/conn.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-package nettest
+package memnet
 
 import (
 	"net"

net/memnet/conn_test.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-package nettest
+package memnet
 
 import (
 	"net"

net/memnet/listener.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-package nettest
+package memnet
 
 import (
 	"context"

net/memnet/listener_test.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-package nettest
+package memnet
 
 import (
 	"context"

net/memnet/memnet.go

@@ -0,0 +1,8 @@
+// Copyright (c) Tailscale Inc & AUTHORS
+// SPDX-License-Identifier: BSD-3-Clause
+
+// Package memnet implements an in-memory network implementation.
+// It is useful for dialing and listening on in-memory addresses
+// in tests and other situations where you don't want to use the
+// network.
+package memnet

net/memnet/pipe.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-package nettest
+package memnet
 
 import (
 	"bytes"
@@ -216,10 +216,10 @@ func (p *Pipe) Block() error {
 	p.blocked = true
 
 	if closed {
-		return fmt.Errorf("nettest.Pipe(%q).Block: closed", p.name)
+		return fmt.Errorf("memnet.Pipe(%q).Block: closed", p.name)
 	}
 	if blocked {
-		return fmt.Errorf("nettest.Pipe(%q).Block: already blocked", p.name)
+		return fmt.Errorf("memnet.Pipe(%q).Block: already blocked", p.name)
 	}
 	p.cnd.Broadcast()
 	return nil
@@ -234,10 +234,10 @@ func (p *Pipe) Unblock() error {
 	p.blocked = false
 
 	if closed {
-		return fmt.Errorf("nettest.Pipe(%q).Block: closed", p.name)
+		return fmt.Errorf("memnet.Pipe(%q).Block: closed", p.name)
 	}
 	if !blocked {
-		return fmt.Errorf("nettest.Pipe(%q).Block: already unblocked", p.name)
+		return fmt.Errorf("memnet.Pipe(%q).Block: already unblocked", p.name)
 	}
 	p.cnd.Broadcast()
 	return nil

net/memnet/pipe_test.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-package nettest
+package memnet
 
 import (
 	"errors"