buildx/dap/adapter_test.go

131 lines
2.9 KiB
Go

package dap
import (
"context"
"encoding/json"
"io"
"testing"
"time"
"github.com/docker/buildx/dap/common"
"github.com/google/go-dap"
"github.com/stretchr/testify/assert"
"golang.org/x/sync/errgroup"
)
func TestLaunch(t *testing.T) {
adapter, conn, client := NewTestAdapter[common.Config](t)
ctx, cancel := context.WithTimeoutCause(context.Background(), 10*time.Second, context.DeadlineExceeded)
defer cancel()
eg, _ := errgroup.WithContext(ctx)
eg.Go(func() error {
_, err := adapter.Start(ctx, conn)
assert.NoError(t, err)
return nil
})
var (
initialized = make(chan struct{})
configurationDone <-chan *dap.ConfigurationDoneResponse
)
client.RegisterEvent("initialized", func(em dap.EventMessage) {
// Send configuration done since we don't do any configuration.
configurationDone = DoRequest[*dap.ConfigurationDoneResponse](t, client, &dap.ConfigurationDoneRequest{
Request: dap.Request{Command: "configurationDone"},
})
close(initialized)
})
eg.Go(func() error {
initializeResp := <-DoRequest[*dap.InitializeResponse](t, client, &dap.InitializeRequest{
Request: dap.Request{Command: "initialize"},
})
assert.True(t, initializeResp.Success)
assert.True(t, initializeResp.Body.SupportsConfigurationDoneRequest)
launchResp := <-DoRequest[*dap.LaunchResponse](t, client, &dap.LaunchRequest{
Request: dap.Request{Command: "launch"},
})
assert.True(t, launchResp.Success)
// We should have received the initialized event.
select {
case <-initialized:
default:
assert.Fail(t, "did not receive initialized event")
}
select {
case <-configurationDone:
case <-time.After(10 * time.Second):
assert.Fail(t, "did not receive configurationDone response")
}
return nil
})
eg.Wait()
}
func NewTestAdapter[C LaunchConfig](t *testing.T) (*Adapter[C], Conn, *Client) {
t.Helper()
rd1, wr1 := io.Pipe()
rd2, wr2 := io.Pipe()
srvConn := logConn(t, "server", NewConn(rd1, wr2))
t.Cleanup(func() {
srvConn.Close()
})
clientConn := logConn(t, "client", NewConn(rd2, wr1))
t.Cleanup(func() {
clientConn.Close()
})
adapter := New[C]()
t.Cleanup(func() { adapter.Stop() })
client := NewClient(clientConn)
return adapter, srvConn, client
}
func logConn(t *testing.T, prefix string, conn Conn) Conn {
return &loggingConn{
Conn: conn,
t: t,
prefix: prefix,
}
}
type loggingConn struct {
Conn
t *testing.T
prefix string
}
func (c *loggingConn) SendMsg(m dap.Message) error {
b, _ := json.Marshal(m)
c.t.Logf("[%s] send: %v", c.prefix, string(b))
err := c.Conn.SendMsg(m)
if err != nil {
c.t.Logf("[%s] send error: %v", c.prefix, err)
}
return err
}
func (c *loggingConn) RecvMsg(ctx context.Context) (dap.Message, error) {
m, err := c.Conn.RecvMsg(ctx)
if err != nil {
c.t.Logf("[%s] recv error: %v", c.prefix, err)
return nil, err
}
b, _ := json.Marshal(m)
c.t.Logf("[%s] recv: %v", c.prefix, string(b))
return m, nil
}