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backend/sdk/cliproxy/executor/lifecycle_test.go

@@ -0,0 +1,69 @@
+package executor
+
+import (
+	"errors"
+	"sync/atomic"
+	"testing"
+)
+
+type lifecycleRecorder struct {
+	closeFn func() error
+}
+
+func (r *lifecycleRecorder) Bind(closeFn func() error) error {
+	r.closeFn = closeFn
+	return nil
+}
+
+func (*lifecycleRecorder) End(string) {}
+
+type lifecycleCloser struct {
+	calls atomic.Int32
+}
+
+func (c *lifecycleCloser) Close() error {
+	c.calls.Add(1)
+	return nil
+}
+
+func TestBindExecutionResourceClosesResourceOnce(t *testing.T) {
+	lifecycle := &lifecycleRecorder{}
+	closer := &lifecycleCloser{}
+
+	if errBind := BindExecutionResource(Options{ExecutionLifecycle: lifecycle}, closer); errBind != nil {
+		t.Fatalf("BindExecutionResource() error = %v", errBind)
+	}
+	if lifecycle.closeFn == nil {
+		t.Fatal("BindExecutionResource() did not bind a closer")
+	}
+	if errClose := lifecycle.closeFn(); errClose != nil {
+		t.Fatalf("first close error = %v", errClose)
+	}
+	if errClose := lifecycle.closeFn(); errClose != nil {
+		t.Fatalf("second close error = %v", errClose)
+	}
+	if got := closer.calls.Load(); got != 1 {
+		t.Fatalf("closer calls = %d, want 1", got)
+	}
+}
+
+func TestBindExecutionResourceClosesWhenBindFails(t *testing.T) {
+	want := errors.New("selection ended")
+	lifecycle := &failingLifecycle{err: want}
+	closer := &lifecycleCloser{}
+
+	errBind := BindExecutionResource(Options{ExecutionLifecycle: lifecycle}, closer)
+	if !errors.Is(errBind, want) {
+		t.Fatalf("BindExecutionResource() error = %v, want %v", errBind, want)
+	}
+	if got := closer.calls.Load(); got != 1 {
+		t.Fatalf("closer calls = %d, want 1", got)
+	}
+}
+
+type failingLifecycle struct {
+	err error
+}
+
+func (l *failingLifecycle) Bind(func() error) error { return l.err }
+func (*failingLifecycle) End(string)                {}