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package mock
import (
"net"
"time"
)
type MockConn struct {
t int
err error
block bool
readIndex int
first bool
readings [][]byte
Closed bool
Written [][]byte
}
// Creates a new mock object which satisfies the net.Conn interface
func Conn() *MockConn {
return &MockConn{
first: true,
Written: make([][]byte, 0, 4),
readings: make([][]byte, 0, 4),
}
}
func (c *MockConn) Read(out []byte) (int, error) {
if c.first {
c.first = false
if c.err != nil {
return 0, c.err
}
}
if c.readIndex == len(c.readings) {
if c.block == false {
return 0, nil
}
time.Sleep(time.Minute)
}
bytes := c.readings[c.readIndex]
end := len(bytes)
if end > len(out) {
end = len(out)
}
copy(out, bytes[:end])
length := len(bytes[:end])
c.readings[c.readIndex] = bytes[end:]
if len(bytes[end:]) == 0 {
c.readIndex++
} else {
c.readings[c.readIndex] = bytes[end:]
}
return length, nil
}
func (c *MockConn) Write(b []byte) (int, error) {
if c.err != nil {
return 0, c.err
}
c.Written = append(c.Written, b)
return len(b), nil
}
func (c *MockConn) Close() error {
c.Closed = true
return nil
}
func (c *MockConn) LocalAddr() net.Addr {
return nil
}
func (c *MockConn) RemoteAddr() net.Addr {
return nil
}
func (c *MockConn) SetDeadline(t time.Time) error {
c.SetReadDeadline(t)
c.SetWriteDeadline(t)
return nil
}
func (c *MockConn) SetReadDeadline(t time.Time) error {
return nil
}
// noop
func (c *MockConn) SetWriteDeadline(t time.Time) error {
return nil
}
func (c *MockConn) Error(err error) *MockConn {
c.err = err
return c
}
// Define what each call to Read() will read
func (c *MockConn) Reading(data ...[]byte) *MockConn {
for _, d := range data {
c.readings = append(c.readings, d)
}
return c
}
func (c *MockConn) Block() *MockConn {
c.block = true
return c
}
// Returns whatever data hasn't been read yet
func (c *MockConn) Drain() []byte {
left := 0
for i := c.readIndex; i < len(c.readings); i++ {
left += len(c.readings[i])
}
data := make([]byte, 0, left)
for i := c.readIndex; i < len(c.readings); i++ {
data = append(data, c.readings[i]...)
}
return data
}
type TimeoutError struct {
error
}
func (t *TimeoutError) Timeout() bool {
return true
}
func (t *TimeoutError) Temporary() bool {
return true
}
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