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client_private_test.go
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client_private_test.go
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package cdp
import (
"context"
"errors"
"testing"
"github.com/go-rod/rod/lib/utils"
"github.com/stretchr/testify/assert"
)
type wsMockConn struct {
send func([]byte) error
read func() ([]byte, error)
}
func (c *wsMockConn) Send(b []byte) error {
return c.send(b)
}
func (c *wsMockConn) Read() ([]byte, error) {
return c.read()
}
func TestCancelCall(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
cancel()
cdp := New("")
go func() {
<-cdp.chReq
}()
cdp.ctx = context.Background()
_, err := cdp.Call(ctx, "", "", nil)
assert.Error(t, err)
}
func TestReqErr(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
cdp := New("")
cdp.ctx = ctx
cdp.close = cancel
cdp.wsConn = &wsMockConn{
send: func([]byte) error { return errors.New("err") },
}
go cdp.consumeMsg()
_, err := cdp.Call(context.Background(), "", "", nil)
assert.Error(t, err)
}
func TestCancelOnReq(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
cdp := New("")
cdp.ctx = ctx
go func() {
utils.Sleep(0.1)
cancel()
}()
_, err := cdp.Call(ctx, "", "", nil)
assert.EqualError(t, err, "context canceled")
go func() {
utils.Sleep(0.1)
cancel()
}()
_, err = cdp.Call(context.Background(), "", "", nil)
assert.EqualError(t, err, "context canceled")
}
func TestCancelBeforeSend(t *testing.T) {
cdp := New("")
cdp.ctx = context.Background()
ctx, cancel := context.WithCancel(context.Background())
cancel()
_, err := cdp.Call(ctx, "", "", nil)
assert.EqualError(t, err, "context canceled")
}
func TestCancelBeforeCallback(t *testing.T) {
cdp := New("")
cdp.ctx = context.Background()
ctx, cancel := context.WithCancel(context.Background())
go func() {
<-cdp.chReq
cancel()
}()
_, err := cdp.Call(ctx, "", "", nil)
assert.EqualError(t, err, "context canceled")
}
func TestCancelOnCallback(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
cdp := New("")
cdp.ctx = ctx
go cdp.consumeMsg()
cdp.callbacks.Store(uint64(1), make(chan *Response))
cdp.chRes <- &Response{
ID: 1,
Result: nil,
Error: nil,
}
utils.Sleep(0.1)
cancel()
}
func TestCancelOnReadRes(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
cdp := New("")
cdp.ctx = ctx
cdp.wsConn = &wsMockConn{
read: func() ([]byte, error) {
cancel()
return utils.MustToJSONBytes(&Response{
ID: 1,
Result: nil,
Error: nil,
}), nil
},
}
go cdp.readMsgFromBrowser()
_, err := cdp.Call(context.Background(), "", "", nil)
assert.Error(t, err)
}
func TestCancelOnReadEvent(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
cdp := New("")
cdp.ctx = ctx
cdp.wsConn = &wsMockConn{
read: func() ([]byte, error) {
cancel()
return utils.MustToJSONBytes(&Event{}), nil
},
}
go cdp.readMsgFromBrowser()
_, err := cdp.Call(context.Background(), "", "", nil)
assert.Error(t, err)
}