add several base unittests

paddle/pten/hapi/include/math.h

@@ -19,6 +19,8 @@ limitations under the License. */
 namespace paddle {
 namespace experimental {
 
+// TODO(chenweihang): add scale API
+// TODO(chenweihang): move mean API into stat.h/cc
 Tensor mean(const Tensor& x);
 
 }  // namespace experimental

paddle/pten/tests/CMakeLists.txt

@@ -1,3 +1,6 @@
+cc_test(pten_backend_test SRCS backend_test.cc DEPS gtest)
+cc_test(pten_data_layout_test SRCS data_layout_test.cc DEPS gtest)
+cc_test(pten_data_type_test SRCS data_type_test.cc DEPS gtest)
 cc_test(dense_tensor_test SRCS dense_tensor_test.cc DEPS dense_tensor)
 cc_test(kernel_factory_test SRCS kernel_factory_test.cc DEPS kernel_factory)
 cc_test(test_mean_api SRCS test_mean_api.cc DEPS math_api)

paddle/pten/tests/backend_test.cc

@@ -15,3 +15,35 @@ limitations under the License. */
 #include "paddle/pten/common/backend.h"
 
 #include <gtest/gtest.h>
+#include <iostream>
+
+TEST(Backend, OStream) {
+  std::ostringstream oss;
+  oss << pten::Backend::UNDEFINED;
+  EXPECT_EQ(oss.str(), "Undefined");
+  oss.str("");
+  oss << pten::Backend::CPU;
+  EXPECT_EQ(oss.str(), "CPU");
+  oss.str("");
+  oss << pten::Backend::CUDA;
+  EXPECT_EQ(oss.str(), "CUDA");
+  oss.str("");
+  oss << pten::Backend::XPU;
+  EXPECT_EQ(oss.str(), "XPU");
+  oss.str("");
+  oss << pten::Backend::NPU;
+  EXPECT_EQ(oss.str(), "NPU");
+  oss.str("");
+  oss << pten::Backend::MKLDNN;
+  EXPECT_EQ(oss.str(), "MKLDNN");
+  oss.str("");
+  oss << pten::Backend::CUDNN;
+  EXPECT_EQ(oss.str(), "CUDNN");
+  oss.str("");
+  try {
+    oss << pten::Backend::NUM_BACKENDS;
+  } catch (paddle::platform::EnforceNotMet &exception) {
+    std::string ex_msg = exception.what();
+    EXPECT_TRUE(ex_msg.find("Invalid enum backend type") != std::string::npos);
+  }
+}

paddle/pten/tests/data_layout_test.cc

@@ -0,0 +1,44 @@
+/* Copyright (c) 2021 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 <gtest/gtest.h>
+#include <iostream>
+#include <sstream>
+#include "paddle/pten/common/layout.h"
+
+TEST(DataLayout, OStream) {
+  std::ostringstream oss;
+  oss << pten::DataLayout::UNDEFINED;
+  EXPECT_EQ(oss.str(), "Undefined");
+  oss.str("");
+  oss << pten::DataLayout::ANY;
+  EXPECT_EQ(oss.str(), "Any");
+  oss.str("");
+  oss << pten::DataLayout::NHWC;
+  EXPECT_EQ(oss.str(), "NHWC");
+  oss.str("");
+  oss << pten::DataLayout::NCHW;
+  EXPECT_EQ(oss.str(), "NCHW");
+  oss.str("");
+  oss << pten::DataLayout::MKLDNN;
+  EXPECT_EQ(oss.str(), "MKLDNN");
+  oss.str("");
+  try {
+    oss << pten::DataLayout::NUM_DATA_LAYOUTS;
+  } catch (paddle::platform::EnforceNotMet &exception) {
+    std::string ex_msg = exception.what();
+    EXPECT_TRUE(ex_msg.find("Invalid enum data layout type") !=
+                std::string::npos);
+  }
+}

paddle/pten/tests/data_type_test.cc

@@ -0,0 +1,68 @@
+/* Copyright (c) 2021 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/pten/common/data_type.h"
+
+#include <gtest/gtest.h>
+#include <iostream>
+#include <sstream>
+
+TEST(DataType, OStream) {
+  std::ostringstream oss;
+  oss << pten::DataType::UNDEFINED;
+  EXPECT_EQ(oss.str(), "Undefined");
+  oss.str("");
+  oss << pten::DataType::BOOL;
+  EXPECT_EQ(oss.str(), "bool");
+  oss.str("");
+  oss << pten::DataType::INT8;
+  EXPECT_EQ(oss.str(), "int8");
+  oss.str("");
+  oss << pten::DataType::UINT8;
+  EXPECT_EQ(oss.str(), "uint8");
+  oss.str("");
+  oss << pten::DataType::INT16;
+  EXPECT_EQ(oss.str(), "int16");
+  oss.str("");
+  oss << pten::DataType::INT32;
+  EXPECT_EQ(oss.str(), "int32");
+  oss.str("");
+  oss << pten::DataType::INT64;
+  EXPECT_EQ(oss.str(), "int64");
+  oss.str("");
+  oss << pten::DataType::BFLOAT16;
+  EXPECT_EQ(oss.str(), "bfloat16");
+  oss.str("");
+  oss << pten::DataType::FLOAT16;
+  EXPECT_EQ(oss.str(), "float16");
+  oss.str("");
+  oss << pten::DataType::FLOAT32;
+  EXPECT_EQ(oss.str(), "float32");
+  oss.str("");
+  oss << pten::DataType::FLOAT64;
+  EXPECT_EQ(oss.str(), "float64");
+  oss.str("");
+  oss << pten::DataType::COMPLEX64;
+  EXPECT_EQ(oss.str(), "complex64");
+  oss.str("");
+  oss << pten::DataType::COMPLEX128;
+  EXPECT_EQ(oss.str(), "complex128");
+  oss.str("");
+  try {
+    oss << pten::DataType::NUM_DATA_TYPES;
+  } catch (paddle::platform::EnforceNotMet &exception) {
+    std::string ex_msg = exception.what();
+    EXPECT_TRUE(ex_msg.find("Invalid enum data type") != std::string::npos);
+  }
+}

paddle/pten/tests/dense_tensor_test.cc

@@ -31,15 +31,3 @@ TEST(DenseTensor, Constructor) {
   ASSERT_EQ(tensor.data_type(), pten::DataType::FLOAT32);
   ASSERT_EQ(tensor.layout(), pten::DataLayout::NCHW);
 }
-
-TEST(DenseTensor, Dims) {
-  // impl later
-}
-
-TEST(DenseTensor, Place) {
-  // impl later
-}
-
-TEST(DenseTensor, Data) {
-  // impl later
-}

paddle/pten/tests/kernel_factory_test.cc

@@ -12,12 +12,36 @@ 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 <iostream>
+#include <sstream>
+
 #include "paddle/pten/core/kernel_factory.h"
 
 #include "gtest/gtest.h"
 
-TEST(KernelFactory, KernelKey) {
+// TODO(chenweihang): add more unittests later
+
+TEST(KernelName, ConstructAndOStream) {
+  std::ostringstream oss;
+  oss << pten::KernelName("scale", "host");
+  EXPECT_EQ(oss.str(), "scale.host");
+  pten::KernelName kernel_name1("scale.host");
+  EXPECT_EQ(kernel_name1.name(), "scale");
+  EXPECT_EQ(kernel_name1.overload_name(), "host");
+  pten::KernelName kernel_name2("scale.host");
+  EXPECT_EQ(kernel_name2.name(), "scale");
+  EXPECT_EQ(kernel_name2.overload_name(), "host");
+}
+
+TEST(KernelKey, ConstructAndOStream) {
   pten::KernelKey key(
       pten::Backend::CPU, pten::DataLayout::NCHW, pten::DataType::FLOAT32);
-  std::cout << key;
+  EXPECT_EQ(key.backend(), pten::Backend::CPU);
+  EXPECT_EQ(key.layout(), pten::DataLayout::NCHW);
+  EXPECT_EQ(key.dtype(), pten::DataType::FLOAT32);
+  std::ostringstream oss;
+  oss << key;
+  std::cout << oss.str();
+  // EXPECT_EQ(oss.str(), "scale.host");
+  oss.flush();
 }

paddle/pten/tests/test_dot_api.cc

@@ -29,6 +29,7 @@ PT_DECLARE_MODULE(LinalgCUDA);
 namespace framework = paddle::framework;
 using DDim = paddle::framework::DDim;
 
+// TODO(chenweihang): Remove this test after the API is used in the dygraph
 TEST(API, dot) {
   // 1. create tensor
   auto dense_x = std::make_shared<pten::DenseTensor>(

paddle/pten/tests/test_fill_api.cc

@@ -29,6 +29,7 @@ PT_DECLARE_MODULE(CreationCUDA);
 namespace framework = paddle::framework;
 using DDim = paddle::framework::DDim;
 
+// TODO(chenweihang): Remove this test after the API is used in the dygraph
 TEST(API, full_like) {
   // 1. create tensor
   auto dense_x = std::make_shared<pten::DenseTensor>(

paddle/pten/tests/test_flatten_api.cc

@@ -29,6 +29,7 @@ PT_DECLARE_MODULE(ManipulationCUDA);
 namespace framework = paddle::framework;
 using DDim = paddle::framework::DDim;
 
+// TODO(chenweihang): Remove this test after the API is used in the dygraph
 TEST(API, flatten) {
   // 1. create tensor
   auto dense_x = std::make_shared<pten::DenseTensor>(

paddle/pten/tests/test_mean_api.cc

@@ -29,6 +29,7 @@ PT_DECLARE_MODULE(MathCUDA);
 namespace framework = paddle::framework;
 using DDim = paddle::framework::DDim;
 
+// TODO(chenweihang): Remove this test after the API is used in the dygraph
 TEST(API, mean) {
   // 1. create tensor
   auto dense_x = std::make_shared<pten::DenseTensor>(