Method AddFragment

cpp/src/arrow/dataset/scanner_test.cc:389–400

      : dataset_schema(std::move(dataset_schema)) {}

  void AddFragment(
      std::shared_ptr<Schema> fragment_schema,
      std::unique_ptr<InspectedFragment> inspection = nullptr,
      compute::Expression partition_expression = Fragment::kNoPartitionInformation) {
    if (!inspection) {
      inspection = std::make_unique<InspectedFragment>(fragment_schema->field_names());
    }
    fragments.push_back(std::make_shared<MockFragment>(
        std::move(fragment_schema), std::vector<MockScanTask>(), std::move(inspection),
        std::move(partition_expression)));
    active_fragment = fragments[fragments.size() - 1]->fragment_scanner_.get();
  }

  void AddBatch(std::shared_ptr<RecordBatch> batch) {
    active_fragment->scan_tasks_.emplace_back(std::move(batch));