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paddlepaddle--paddle/test/cpp/fluid/framework/reader_test.cc
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2026-07-13 12:40:42 +08:00

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// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "paddle/phi/core/framework/reader.h"
#include <memory>
#include "gtest/gtest.h"
#include "gtest/gtest_pred_impl.h"
class StubDecoratedReader : public paddle::framework::DecoratedReader {
public:
explicit StubDecoratedReader(const std::shared_ptr<ReaderBase> &reader)
: DecoratedReader(reader) {}
void ReadNextImpl(phi::TensorArray *out) override {}
};
class StubRootReader : public paddle::framework::ReaderBase {
public:
explicit StubRootReader(
const std::vector<phi::DDim> &dims,
const std::vector<paddle::framework::proto::VarType::Type> &var_types,
const std::vector<bool> &need_check_feed)
: paddle::framework::ReaderBase(dims, var_types, need_check_feed) {}
void ReadNextImpl(phi::TensorArray *out) override {}
};
TEST(READER, decorate_chain) {
paddle::framework::proto::VarType::Type dtype =
paddle::framework::proto::VarType::FP32;
phi::DDim dim = common::make_ddim({5, 7});
std::vector<phi::DDim> init_dims(4, dim);
std::vector<paddle::framework::proto::VarType::Type> init_types(4, dtype);
std::vector<bool> init_need_check(4, true);
auto root =
std::make_shared<StubRootReader>(init_dims, init_types, init_need_check);
auto end_point1 =
paddle::framework::MakeDecoratedReader<StubDecoratedReader>(root);
auto end_point2 =
paddle::framework::MakeDecoratedReader<StubDecoratedReader>(root);
{
auto endpoints = root->GetEndPoints();
ASSERT_EQ(endpoints.size(), 2U);
ASSERT_NE(endpoints.count(end_point1.get()), 0UL);
ASSERT_NE(endpoints.count(end_point2.get()), 0UL);
}
{
auto end_point3 =
paddle::framework::MakeDecoratedReader<StubDecoratedReader>(root);
ASSERT_EQ(root->GetEndPoints().size(), 3U);
}
{ ASSERT_EQ(root->GetEndPoints().size(), 2U); }
{
ASSERT_EQ(end_point1->Shapes(), init_dims);
ASSERT_EQ(end_point1->VarTypes(), init_types);
ASSERT_EQ(end_point1->NeedCheckFeed(), init_need_check);
}
}