damccorm commented on code in PR #17790:
URL: https://github.com/apache/beam/pull/17790#discussion_r887085549
##########
sdks/go/pkg/beam/core/graph/fn_test.go:
##########
@@ -378,6 +380,129 @@ func TestNewCombineFn(t *testing.T) {
})
}
+func TestNewFn_DoFn(t *testing.T) {
+ // Validate wrap fallthrough
+ reflectx.RegisterStructWrapper(reflect.TypeOf((*GoodDoFn)(nil)).Elem(),
func(fn interface{}) map[string]reflectx.Func {
+ gdf := fn.(*GoodDoFn)
+ return map[string]reflectx.Func{
+ processElementName: reflectx.MakeFunc1x1(func(v int)
int {
+ return gdf.ProcessElement(v)
+ }),
+ }
+ })
+
+ userFn := &GoodDoFn{}
+ fn, err := NewFn(userFn)
+ if err != nil {
+ t.Errorf("NewFn(%T) failed:\n%v", userFn, err)
+ }
+ dofn, err := AsDoFn(fn, MainSingle)
+ if err != nil {
+ t.Errorf("AsDoFn(%v, MainSingle) failed:\n%v", fn.Name(), err)
+ }
+ // Check that we get expected values for all the methods.
+ if got, want := dofn.Name(), "GoodDoFn"; !strings.HasSuffix(got, want) {
+ t.Errorf("(%v).Name() = %q, want suffix %q", dofn.Name(), got,
want)
+ }
+ if dofn.SetupFn() == nil {
+ t.Errorf("(%v).SetupFn() == nil, want value", dofn.Name())
+ }
+ if dofn.StartBundleFn() == nil {
+ t.Errorf("(%v).StartBundleFn() == nil, want value", dofn.Name())
+ }
+ if dofn.ProcessElementFn() == nil {
+ t.Errorf("(%v).ProcessElementFn() == nil, want value",
dofn.Name())
+ }
+ if dofn.FinishBundleFn() == nil {
+ t.Errorf("(%v).FinishBundleFn() == nil, want value",
dofn.Name())
+ }
+ if dofn.TeardownFn() == nil {
+ t.Errorf("(%v).TeardownFn() == nil, want value", dofn.Name())
+ }
+ if dofn.IsSplittable() {
+ t.Errorf("(%v).IsSplittable() = true, want false", dofn.Name())
+ }
+}
+
+func TestNewFn_SplittableDoFn(t *testing.T) {
Review Comment:
It would probably be good to add an extra similar test case for combineFns
as well.
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