syncthing/protocol/protocol_test.go
Jakob Borg 434a0ccf2a golint
2014-02-24 13:29:30 +01:00

198 lines
3.9 KiB
Go

package protocol
import (
"errors"
"io"
"testing"
"testing/quick"
"time"
)
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 TestPing(t *testing.T) {
ar, aw := io.Pipe()
br, bw := io.Pipe()
c0 := NewConnection("c0", ar, bw, nil, nil)
c1 := NewConnection("c1", br, aw, nil, nil)
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 := &TestModel{}
m1 := &TestModel{}
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("c0", ar, ebw, m0, nil)
NewConnection("c1", br, eaw, m1, nil)
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 := &TestModel{data: []byte("response data")}
m1 := &TestModel{}
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("c0", ar, ebw, m0, nil)
c1 := NewConnection("c1", br, eaw, m1, nil)
d, err := c1.Request("default", "tn", 1234, 5678)
if err == e || err == ErrClosed {
t.Logf("Error at %d+%d bytes", i, j)
if !m1.closed {
t.Error("c1 not closed")
}
time.Sleep(1 * time.Millisecond)
if !m0.closed {
t.Error("c0 not closed")
}
continue
}
if err != nil {
t.Error(err)
}
if string(d) != "response data" {
t.Errorf("Incorrect response data %q", string(d))
}
if m0.repo != "default" {
t.Errorf("Incorrect repo %q", m0.repo)
}
if m0.name != "tn" {
t.Errorf("Incorrect name %q", m0.name)
}
if m0.offset != 1234 {
t.Errorf("Incorrect offset %d", m0.offset)
}
if m0.size != 5678 {
t.Errorf("Incorrect size %d", m0.size)
}
t.Logf("Pass at %d+%d bytes", i, j)
pass = true
}
}
if !pass {
t.Error("Never passed")
}
}
func TestVersionErr(t *testing.T) {
m0 := &TestModel{}
m1 := &TestModel{}
ar, aw := io.Pipe()
br, bw := io.Pipe()
c0 := NewConnection("c0", ar, bw, m0, nil)
NewConnection("c1", br, aw, m1, nil)
c0.xw.WriteUint32(encodeHeader(header{
version: 2,
msgID: 0,
msgType: 0,
}))
c0.flush()
if !m1.closed {
t.Error("Connection should close due to unknown version")
}
}
func TestTypeErr(t *testing.T) {
m0 := &TestModel{}
m1 := &TestModel{}
ar, aw := io.Pipe()
br, bw := io.Pipe()
c0 := NewConnection("c0", ar, bw, m0, nil)
NewConnection("c1", br, aw, m1, nil)
c0.xw.WriteUint32(encodeHeader(header{
version: 0,
msgID: 0,
msgType: 42,
}))
c0.flush()
if !m1.closed {
t.Error("Connection should close due to unknown message type")
}
}
func TestClose(t *testing.T) {
m0 := &TestModel{}
m1 := &TestModel{}
ar, aw := io.Pipe()
br, bw := io.Pipe()
c0 := NewConnection("c0", ar, bw, m0, nil)
NewConnection("c1", br, aw, m1, nil)
c0.close(nil)
ok := c0.isClosed()
if !ok {
t.Fatal("Connection should be closed")
}
// None of these should panic, some should return an error
ok = c0.ping()
if ok {
t.Error("Ping should not return true")
}
c0.Index("default", nil)
c0.Index("default", nil)
_, err := c0.Request("default", "foo", 0, 0)
if err == nil {
t.Error("Request should return an error")
}
}