orchard/internal/controller/api_vms_execute_test.go

115 lines
2.8 KiB
Go

//nolint:testpackage // we need to have access to unexported helpers
package controller
import (
"bytes"
"io"
"testing"
"github.com/cirruslabs/orchard/internal/execstream"
"github.com/stretchr/testify/require"
)
type recordingWriteCloser struct {
bytes.Buffer
closed bool
}
func (writer *recordingWriteCloser) Close() error {
writer.closed = true
return nil
}
func TestStreamExecuteClientFramesWritesInputAndClosesOnEOFFrame(t *testing.T) {
var input bytes.Buffer
encoder := execstream.NewEncoder(&input)
require.NoError(t, execstream.WriteFrame(encoder, &execstream.Frame{
Type: execstream.FrameTypeStdin,
Data: []byte("hello"),
}))
require.NoError(t, execstream.WriteFrame(encoder, &execstream.Frame{
Type: execstream.FrameTypeResize,
}))
require.NoError(t, execstream.WriteFrame(encoder, &execstream.Frame{
Type: execstream.FrameTypeStdin,
Data: []byte{},
}))
decoder := execstream.NewDecoder(&input)
stdin := &recordingWriteCloser{}
errCh := make(chan error, 1)
streamExecuteClientFrames(decoder, stdin, errCh)
require.NoError(t, <-errCh)
require.True(t, stdin.closed)
require.Equal(t, "hello", stdin.String())
}
func TestStreamExecuteClientFramesUnsupportedType(t *testing.T) {
var input bytes.Buffer
encoder := execstream.NewEncoder(&input)
require.NoError(t, execstream.WriteFrame(encoder, &execstream.Frame{
Type: execstream.FrameTypeStdout,
Data: []byte("output"),
}))
decoder := execstream.NewDecoder(&input)
stdin := &recordingWriteCloser{}
errCh := make(chan error, 1)
streamExecuteClientFrames(decoder, stdin, errCh)
require.EqualError(t, <-errCh, "unsupported frame type \"stdout\" received from client")
require.False(t, stdin.closed)
}
func TestStreamExecuteClientFramesClosesStdinOnDecodeError(t *testing.T) {
decoder := execstream.NewDecoder(bytes.NewBuffer(nil))
stdin := &recordingWriteCloser{}
errCh := make(chan error, 1)
streamExecuteClientFrames(decoder, stdin, errCh)
require.ErrorIs(t, <-errCh, io.EOF)
require.True(t, stdin.closed)
}
func TestStreamExecuteOutputEmitsFrameAndSignalsDone(t *testing.T) {
outputCh := make(chan execstream.Frame, 1)
doneCh := make(chan struct{}, 1)
errCh := make(chan error, 1)
streamExecuteOutput(bytes.NewBufferString("payload"),
execstream.FrameTypeStderr, outputCh, doneCh, errCh)
select {
case frame := <-outputCh:
require.Equal(t, execstream.FrameTypeStderr, frame.Type)
require.Equal(t, []byte("payload"), frame.Data)
default:
t.Fatal("expected frame")
}
select {
case <-doneCh:
default:
t.Fatal("expected done signal")
}
select {
case err := <-errCh:
t.Fatalf("unexpected error: %v", err)
default:
}
}
func TestBuildSSHCommandQuotesArguments(t *testing.T) {
result := buildSSHCommand("echo", []string{"hello world", "a'b", ""})
require.Equal(t, "'echo' 'hello world' 'a'\\''b' ''", result)
}