syncthing/protocol/protocol_test.go
Jakob Borg 8f3effed32 Refactor node ID handling, use check digits (fixes #269)
New node ID:s contain four Luhn check digits and are grouped
differently. Code uses NodeID type instead of string, so it's formatted
homogenously everywhere.
2014-06-30 01:42:03 +02:00

229 lines
5.1 KiB
Go

// Copyright (C) 2014 Jakob Borg and other contributors. All rights reserved.
// Use of this source code is governed by an MIT-style license that can be
// found in the LICENSE file.
package protocol
import (
"errors"
"io"
"testing"
"testing/quick"
)
var (
c0ID = NewNodeID([]byte{1})
c1ID = NewNodeID([]byte{2})
)
func TestHeaderFunctions(t *testing.T) {
f := func(ver, id, typ int) bool {
ver = int(uint(ver) % 16)
id = int(uint(id) % 4096)
typ = int(uint(typ) % 256)
h0 := header{ver, id, typ}
h1 := decodeHeader(encodeHeader(h0))
return h0 == h1
}
if err := quick.Check(f, nil); err != nil {
t.Error(err)
}
}
func TestHeaderLayout(t *testing.T) {
var e, a uint32
// Version are the first four bits
e = 0xf0000000
a = encodeHeader(header{0xf, 0, 0})
if a != e {
t.Errorf("Header layout incorrect; %08x != %08x", a, e)
}
// Message ID are the following 12 bits
e = 0x0fff0000
a = encodeHeader(header{0, 0xfff, 0})
if a != e {
t.Errorf("Header layout incorrect; %08x != %08x", a, e)
}
// Type are the last 8 bits before reserved
e = 0x0000ff00
a = encodeHeader(header{0, 0, 0xff})
if a != e {
t.Errorf("Header layout incorrect; %08x != %08x", a, e)
}
}
func TestPing(t *testing.T) {
ar, aw := io.Pipe()
br, bw := io.Pipe()
c0 := NewConnection(c0ID, ar, bw, nil).(wireFormatConnection).next.(*rawConnection)
c1 := NewConnection(c1ID, br, aw, nil).(wireFormatConnection).next.(*rawConnection)
if ok := c0.ping(); !ok {
t.Error("c0 ping failed")
}
if ok := c1.ping(); !ok {
t.Error("c1 ping failed")
}
}
func TestPingErr(t *testing.T) {
e := errors.New("something broke")
for i := 0; i < 12; i++ {
for j := 0; j < 12; j++ {
m0 := newTestModel()
m1 := newTestModel()
ar, aw := io.Pipe()
br, bw := io.Pipe()
eaw := &ErrPipe{PipeWriter: *aw, max: i, err: e}
ebw := &ErrPipe{PipeWriter: *bw, max: j, err: e}
c0 := NewConnection(c0ID, ar, ebw, m0).(wireFormatConnection).next.(*rawConnection)
NewConnection(c1ID, br, eaw, m1)
res := c0.ping()
if (i < 4 || j < 4) && res {
t.Errorf("Unexpected ping success; i=%d, j=%d", i, j)
} else if (i >= 8 && j >= 8) && !res {
t.Errorf("Unexpected ping fail; i=%d, j=%d", i, j)
}
}
}
}
// func TestRequestResponseErr(t *testing.T) {
// e := errors.New("something broke")
// var pass bool
// for i := 0; i < 48; i++ {
// for j := 0; j < 38; j++ {
// m0 := newTestModel()
// m0.data = []byte("response data")
// m1 := newTestModel()
// ar, aw := io.Pipe()
// br, bw := io.Pipe()
// eaw := &ErrPipe{PipeWriter: *aw, max: i, err: e}
// ebw := &ErrPipe{PipeWriter: *bw, max: j, err: e}
// NewConnection(c0ID, ar, ebw, m0, nil)
// c1 := NewConnection(c1ID, br, eaw, m1, nil).(wireFormatConnection).next.(*rawConnection)
// d, err := c1.Request("default", "tn", 1234, 5678)
// if err == e || err == ErrClosed {
// t.Logf("Error at %d+%d bytes", i, j)
// if !m1.isClosed() {
// t.Fatal("c1 not closed")
// }
// if !m0.isClosed() {
// t.Fatal("c0 not closed")
// }
// continue
// }
// if err != nil {
// t.Fatal(err)
// }
// if string(d) != "response data" {
// t.Fatalf("Incorrect response data %q", string(d))
// }
// if m0.repo != "default" {
// t.Fatalf("Incorrect repo %q", m0.repo)
// }
// if m0.name != "tn" {
// t.Fatalf("Incorrect name %q", m0.name)
// }
// if m0.offset != 1234 {
// t.Fatalf("Incorrect offset %d", m0.offset)
// }
// if m0.size != 5678 {
// t.Fatalf("Incorrect size %d", m0.size)
// }
// t.Logf("Pass at %d+%d bytes", i, j)
// pass = true
// }
// }
// if !pass {
// t.Fatal("Never passed")
// }
// }
func TestVersionErr(t *testing.T) {
m0 := newTestModel()
m1 := newTestModel()
ar, aw := io.Pipe()
br, bw := io.Pipe()
c0 := NewConnection(c0ID, ar, bw, m0).(wireFormatConnection).next.(*rawConnection)
NewConnection(c1ID, br, aw, m1)
c0.xw.WriteUint32(encodeHeader(header{
version: 2,
msgID: 0,
msgType: 0,
}))
c0.flush()
if !m1.isClosed() {
t.Error("Connection should close due to unknown version")
}
}
func TestTypeErr(t *testing.T) {
m0 := newTestModel()
m1 := newTestModel()
ar, aw := io.Pipe()
br, bw := io.Pipe()
c0 := NewConnection(c0ID, ar, bw, m0).(wireFormatConnection).next.(*rawConnection)
NewConnection(c1ID, br, aw, m1)
c0.xw.WriteUint32(encodeHeader(header{
version: 0,
msgID: 0,
msgType: 42,
}))
c0.flush()
if !m1.isClosed() {
t.Error("Connection should close due to unknown message type")
}
}
func TestClose(t *testing.T) {
m0 := newTestModel()
m1 := newTestModel()
ar, aw := io.Pipe()
br, bw := io.Pipe()
c0 := NewConnection(c0ID, ar, bw, m0).(wireFormatConnection).next.(*rawConnection)
NewConnection(c1ID, br, aw, m1)
c0.close(nil)
<-c0.closed
if !m0.isClosed() {
t.Fatal("Connection should be closed")
}
// None of these should panic, some should return an error
if c0.ping() {
t.Error("Ping should not return true")
}
c0.Index("default", nil)
c0.Index("default", nil)
if _, err := c0.Request("default", "foo", 0, 0); err == nil {
t.Error("Request should return an error")
}
}