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3 changes: 3 additions & 0 deletions flow/retriever/parent/parent.go
Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,9 @@ func NewRetriever(ctx context.Context, config *Config) (retriever.Retriever, err
if config.OrigDocGetter == nil {
return nil, fmt.Errorf("orig doc getter is required")
}
if config.ParentIDKey == "" {
return nil, fmt.Errorf("parent id key is required")
}
return &parentRetriever{
retriever: config.Retriever,
parentIDKey: config.ParentIDKey,
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21 changes: 21 additions & 0 deletions flow/retriever/parent/parent_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,27 @@ func (t *testRetriever) Retrieve(ctx context.Context, query string, opts ...retr
return ret, nil
}

func TestNewRetrieverValidation(t *testing.T) {
ctx := context.Background()
tr := &testRetriever{}
getter := func(ctx context.Context, ids []string) ([]*schema.Document, error) { return nil, nil }

_, err := NewRetriever(ctx, &Config{Retriever: nil, ParentIDKey: "k", OrigDocGetter: getter})
if err == nil {
t.Error("expected error when Retriever is nil")
}

_, err = NewRetriever(ctx, &Config{Retriever: tr, ParentIDKey: "k", OrigDocGetter: nil})
if err == nil {
t.Error("expected error when OrigDocGetter is nil")
}

_, err = NewRetriever(ctx, &Config{Retriever: tr, ParentIDKey: "", OrigDocGetter: getter})
if err == nil {
t.Error("expected error when ParentIDKey is empty")
}
}

func TestParentRetriever(t *testing.T) {
tests := []struct {
name string
Expand Down