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|
package xmpp
import (
"encoding/hex"
"fmt"
"io"
"net"
"sync"
"time"
"gopkg.in/check.v1"
)
type mockConn struct {
calledClose int
net.TCPConn
}
func (c *mockConn) Close() error {
c.calledClose++
return nil
}
type mockConnIOReaderWriter struct {
read []byte
readIndex int
write []byte
errCount int
err error
calledClose int
}
func (iom *mockConnIOReaderWriter) Read(p []byte) (n int, err error) {
if iom.readIndex >= len(iom.read) {
return 0, io.EOF
}
i := copy(p, iom.read[iom.readIndex:])
iom.readIndex += i
var e error
if iom.errCount == 0 {
e = iom.err
}
iom.errCount--
return i, e
}
func (iom *mockConnIOReaderWriter) Write(p []byte) (n int, err error) {
iom.write = append(iom.write, p...)
var e error
if iom.errCount == 0 {
e = iom.err
}
iom.errCount--
return len(p), e
}
func (iom *mockConnIOReaderWriter) Close() error {
iom.calledClose++
return nil
}
type mockMultiConnIOReaderWriter struct {
read [][]byte
readIndex int
write []byte
}
func (iom *mockMultiConnIOReaderWriter) Read(p []byte) (n int, err error) {
if iom.readIndex >= len(iom.read) {
return 0, io.EOF
}
i := copy(p, iom.read[iom.readIndex])
iom.readIndex++
return i, nil
}
func (iom *mockMultiConnIOReaderWriter) Write(p []byte) (n int, err error) {
iom.write = append(iom.write, p...)
return len(p), nil
}
type fullMockedConn struct {
rw io.ReadWriter
}
func (c *fullMockedConn) Read(b []byte) (n int, err error) {
return c.rw.Read(b)
}
func (c *fullMockedConn) Write(b []byte) (n int, err error) {
return c.rw.Write(b)
}
func (c *fullMockedConn) Close() error {
return nil
}
func (c *fullMockedConn) LocalAddr() net.Addr {
return nil
}
func (c *fullMockedConn) RemoteAddr() net.Addr {
return nil
}
func (c *fullMockedConn) SetDeadline(t time.Time) error {
return nil
}
func (c *fullMockedConn) SetReadDeadline(t time.Time) error {
return nil
}
func (c *fullMockedConn) SetWriteDeadline(t time.Time) error {
return nil
}
type fixedRandReader struct {
data []string
at int
}
func fixedRand(data []string) io.Reader {
return &fixedRandReader{data, 0}
}
func bytesFromHex(s string) []byte {
val, _ := hex.DecodeString(s)
return val
}
func byteStringFromHex(s string) string {
val, _ := hex.DecodeString(s)
return string(val)
}
func (frr *fixedRandReader) Read(p []byte) (n int, err error) {
if frr.at < len(frr.data) {
plainBytes := bytesFromHex(frr.data[frr.at])
frr.at++
n = copy(p, plainBytes)
return
}
return 0, io.EOF
}
func createTeeConn(c net.Conn, w io.Writer) net.Conn {
return &teeConn{c, w}
}
type teeConn struct {
c net.Conn
w io.Writer
}
func (c *teeConn) Read(b []byte) (n int, err error) {
n, err = c.c.Read(b)
if n > 0 {
fmt.Fprintf(c.w, "READ: %x\n", b[:n])
}
return
}
func (c *teeConn) Write(b []byte) (n int, err error) {
n, err = c.c.Write(b)
if n > 0 {
fmt.Fprintf(c.w, "WRITE: %x\n", b[:n])
}
return n, err
}
func (c *teeConn) Close() error {
return c.c.Close()
}
func (c *teeConn) LocalAddr() net.Addr {
return c.c.LocalAddr()
}
func (c *teeConn) RemoteAddr() net.Addr {
return c.c.RemoteAddr()
}
func (c *teeConn) SetDeadline(t time.Time) error {
return c.c.SetDeadline(t)
}
func (c *teeConn) SetReadDeadline(t time.Time) error {
return c.c.SetReadDeadline(t)
}
func (c *teeConn) SetWriteDeadline(t time.Time) error {
return c.c.SetWriteDeadline(t)
}
type dialCall func(string, string) (c net.Conn, e error)
type dialCallExp struct {
f dialCall
called bool
}
type mockProxy struct {
called int
calls []dialCallExp
sync.Mutex
}
func (p *mockProxy) Dial(network, addr string) (net.Conn, error) {
if len(p.calls)-1 < p.called {
return nil, fmt.Errorf("unexpected call to Dial: %s, %s \n", network, addr)
}
p.Lock()
defer p.Unlock()
fn := p.calls[p.called]
p.called = p.called + 1
fn.called = true
return fn.f(network, addr)
}
func (p *mockProxy) Expects(f dialCall) {
p.Lock()
defer p.Unlock()
if p.calls == nil {
p.calls = []dialCallExp{}
}
p.calls = append(p.calls, dialCallExp{f: f})
}
var MatchesExpectations check.Checker = &allExpectations{
&check.CheckerInfo{Name: "IsNil", Params: []string{"value"}},
}
type allExpectations struct {
*check.CheckerInfo
}
func (checker *allExpectations) Check(params []interface{}, names []string) (result bool, error string) {
p := params[0].(*mockProxy)
if p.called != len(p.calls) {
return false, fmt.Sprintf("expected: %d calls, got: %d", len(p.calls), p.called)
}
return true, ""
}
|
