refactor: rename i/e/n/mockablex => i/netxmocks (#397)

Needed to more easily do https://github.com/ooni/probe/issues/1505

internal/netxmocks/conn_test.go

@@ -0,0 +1,126 @@
+package netxmocks
+
+import (
+	"errors"
+	"net"
+	"testing"
+	"time"
+
+	"github.com/google/go-cmp/cmp"
+)
+
+func TestConnReadWorks(t *testing.T) {
+	expected := errors.New("mocked error")
+	c := &Conn{
+		MockRead: func(b []byte) (int, error) {
+			return 0, expected
+		},
+	}
+	count, err := c.Read(make([]byte, 128))
+	if !errors.Is(err, expected) {
+		t.Fatal("not the error we expected")
+	}
+	if count != 0 {
+		t.Fatal("expected 0 bytes")
+	}
+}
+
+func TestConnWriteWorks(t *testing.T) {
+	expected := errors.New("mocked error")
+	c := &Conn{
+		MockWrite: func(b []byte) (int, error) {
+			return 0, expected
+		},
+	}
+	count, err := c.Write(make([]byte, 128))
+	if !errors.Is(err, expected) {
+		t.Fatal("not the error we expected")
+	}
+	if count != 0 {
+		t.Fatal("expected 0 bytes")
+	}
+}
+
+func TestConnCloseWorks(t *testing.T) {
+	expected := errors.New("mocked error")
+	c := &Conn{
+		MockClose: func() error {
+			return expected
+		},
+	}
+	err := c.Close()
+	if !errors.Is(err, expected) {
+		t.Fatal("not the error we expected")
+	}
+}
+
+func TestConnLocalAddrWorks(t *testing.T) {
+	expected := &net.TCPAddr{
+		IP:   net.IPv6loopback,
+		Port: 1234,
+	}
+	c := &Conn{
+		MockLocalAddr: func() net.Addr {
+			return expected
+		},
+	}
+	out := c.LocalAddr()
+	if diff := cmp.Diff(expected, out); diff != "" {
+		t.Fatal(diff)
+	}
+}
+
+func TestConnRemoteAddrWorks(t *testing.T) {
+	expected := &net.TCPAddr{
+		IP:   net.IPv6loopback,
+		Port: 1234,
+	}
+	c := &Conn{
+		MockRemoteAddr: func() net.Addr {
+			return expected
+		},
+	}
+	out := c.RemoteAddr()
+	if diff := cmp.Diff(expected, out); diff != "" {
+		t.Fatal(diff)
+	}
+}
+
+func TestConnSetDeadline(t *testing.T) {
+	expected := errors.New("mocked error")
+	c := &Conn{
+		MockSetDeadline: func(t time.Time) error {
+			return expected
+		},
+	}
+	err := c.SetDeadline(time.Time{})
+	if !errors.Is(err, expected) {
+		t.Fatal("not the error we expected", err)
+	}
+}
+
+func TestConnSetReadDeadline(t *testing.T) {
+	expected := errors.New("mocked error")
+	c := &Conn{
+		MockSetReadDeadline: func(t time.Time) error {
+			return expected
+		},
+	}
+	err := c.SetReadDeadline(time.Time{})
+	if !errors.Is(err, expected) {
+		t.Fatal("not the error we expected", err)
+	}
+}
+
+func TestConnSetWriteDeadline(t *testing.T) {
+	expected := errors.New("mocked error")
+	c := &Conn{
+		MockSetWriteDeadline: func(t time.Time) error {
+			return expected
+		},
+	}
+	err := c.SetWriteDeadline(time.Time{})
+	if !errors.Is(err, expected) {
+		t.Fatal("not the error we expected", err)
+	}
+}