add test_Expand and simply the gserver/tests/CMakeLists

paddle/gserver/tests/CMakeLists.txt

 # gserver pacakge unittests
 
-if(NOT MOBILE_INFERENCE)
-################### test_ProtoDataProvider ############
-    add_unittest_without_exec(test_ProtoDataProvider
-        test_ProtoDataProvider.cpp)
-
-    # test_ProtoDataProvider will mkdir as same name,
-    # so if WORKING_DIRECTORY is default directory, then
-    # mkdir will get error.
-    add_test(NAME test_ProtoDataProvider
-        COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test_ProtoDataProvider
-        WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle)
-endif()
+add_simple_unittest(test_LinearChainCRF)
+add_simple_unittest(test_MultinomialSampler)
+add_simple_unittest(test_RecurrentLayer)
 
-################# test_LayerGrad #######################
-add_unittest_without_exec(test_LayerGrad
-    test_LayerGrad.cpp
-    LayerGradUtil.cpp)
-add_test(NAME test_LayerGrad
-    COMMAND test_LayerGrad)
+function(gserver_test TARGET)
+  add_unittest_without_exec(${TARGET}
+      ${TARGET}.cpp
+      LayerGradUtil.cpp)
+  add_test(NAME ${TARGET}
+      COMMAND ${TARGET})
+endfunction()
+
+gserver_test(test_LayerGrad)
+gserver_test(test_CRFLayerGrad)
+gserver_test(test_CrossEntropyOverBeamGrad)
+gserver_test(test_SeqSliceLayerGrad)
+gserver_test(test_ActivationGrad)
+gserver_test(test_ConvTrans)
+gserver_test(test_PriorBox)
+gserver_test(test_DetectionOutput)
+gserver_test(test_ConvUnify)
+gserver_test(test_BatchNorm)
+gserver_test(test_KmaxSeqScore)
+gserver_test(test_Expand)
 
 ########## test_Mkldnn layers and activations ##########
 if(WITH_MKLDNN)
@@ -32,89 +37,6 @@ if(WITH_MKLDNN)
             WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle)
 endif()
 
-################ test_CRFLayerGrad ####################
-add_unittest_without_exec(test_CRFLayerGrad
-    test_CRFLayerGrad.cpp
-    LayerGradUtil.cpp)
-add_test(NAME test_CRFLayerGrad
-    COMMAND test_CRFLayerGrad)
-
-################ test_CrossEntropyOverBeam ####################
-add_unittest_without_exec(test_CrossEntropyOverBeam
-    test_CrossEntropyOverBeamGrad.cpp
-    LayerGradUtil.cpp)
-add_test(NAME test_CrossEntropyOverBeam
-    COMMAND test_CrossEntropyOverBeam)
-
-################ test_SeqSliceLayerGrad ####################
-add_unittest_without_exec(test_SeqSliceLayerGrad
-    test_SeqSliceLayerGrad.cpp
-    LayerGradUtil.cpp)
-add_test(NAME test_SeqSliceLayerGrad
-    COMMAND test_SeqSliceLayerGrad)
-
-add_unittest_without_exec(test_ActivationGrad
-    test_ActivationGrad.cpp
-    LayerGradUtil.cpp)
-add_test(NAME test_ActivationGrad
-    COMMAND test_ActivationGrad)
-################# test_ConvTrans #######################
-add_unittest_without_exec(test_ConvTrans
-    test_ConvTrans.cpp
-    LayerGradUtil.cpp)
-
-add_test(NAME test_ConvTrans
-    COMMAND test_ConvTrans)
-################# test_PriorBox #######################
-add_unittest_without_exec(test_PriorBox
-    test_PriorBox.cpp
-    LayerGradUtil.cpp)
-
-add_test(NAME test_PriorBox
-    COMMAND test_PriorBox)
-################# test_DetectionOutput #######################
-add_unittest_without_exec(test_DetectionOutput
-    test_DetectionOutput.cpp
-    LayerGradUtil.cpp)
-
-add_test(NAME test_DetectionOutput
-    COMMAND test_DetectionOutput)
-################# test_ConvUnify #######################
-add_unittest_without_exec(test_ConvUnify
-    test_ConvUnify.cpp
-    LayerGradUtil.cpp)
-
-add_test(NAME test_ConvUnify
-    COMMAND test_ConvUnify)
-################# test_BatchNorm #######################
-add_unittest_without_exec(test_BatchNorm
-    test_BatchNorm.cpp
-    LayerGradUtil.cpp)
-
-add_test(NAME test_BatchNorm
-    COMMAND test_BatchNorm)
-
-
-################# test_KmaxSeqScore #######################
-add_unittest_without_exec(test_KmaxSeqScore
-    test_KmaxSeqScore.cpp
-    LayerGradUtil.cpp)
-
-add_test(NAME test_KmaxSeqScore
-    COMMAND test_KmaxSeqScore)
-
-if(NOT MOBILE_INFERENCE)
-################## test_Evaluator #######################
-    add_unittest(test_Evaluator
-        test_Evaluator.cpp)
-endif()
-
-################ test_LinearChainCRF ####################
-add_simple_unittest(test_LinearChainCRF)
-
-############## test_MultinomialSampler ###################
-add_simple_unittest(test_MultinomialSampler)
-
 ############## test_PyDataProvider ########################
 if(WITH_PYTHON)
     add_unittest_without_exec(test_PyDataProvider
@@ -125,9 +47,6 @@ if(WITH_PYTHON)
         WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle)
 endif()
 
-############### test_RecurrentLayer #######################
-add_simple_unittest(test_RecurrentLayer)
-
 ############### test_WarpCTCLayer #######################
 if(NOT WITH_DOUBLE)
     add_unittest_without_exec(test_WarpCTCLayer
@@ -139,19 +58,33 @@ if(NOT WITH_DOUBLE)
 endif()
 
 if(NOT MOBILE_INFERENCE)
-############### test_RecurrentGradientMachine ###############
-  # TODO(yuyang18): There is some bug in test_RecurrentGradientMachine
-  # I will fix it.
-  add_unittest_without_exec(test_RecurrentGradientMachine
-      test_RecurrentGradientMachine.cpp)
-  add_test(NAME test_RecurrentGradientMachine
-      COMMAND .set_python_path.sh -d
-              ${PADDLE_SOURCE_DIR}/python:${PADDLE_SOURCE_DIR}/paddle/gserver/tests
-              ${CMAKE_CURRENT_BINARY_DIR}/test_RecurrentGradientMachine
-      WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle)
-endif()
+################### test_ProtoDataProvider ############
+    add_unittest_without_exec(test_ProtoDataProvider
+        test_ProtoDataProvider.cpp)
 
-if(NOT MOBILE_INFERENCE)
+    # test_ProtoDataProvider will mkdir as same name,
+    # so if WORKING_DIRECTORY is default directory, then
+    # mkdir will get error.
+    add_test(NAME test_ProtoDataProvider
+        COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test_ProtoDataProvider
+        WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle)
+
+################## test_Evaluator #######################
+    add_unittest(test_Evaluator
+        test_Evaluator.cpp)
+      
+############### test_RecurrentGradientMachine ###############
+    # TODO(yuyang18): There is some bug in test_RecurrentGradientMachine
+    # I will fix it.
+    add_unittest_without_exec(test_RecurrentGradientMachine
+        test_RecurrentGradientMachine.cpp)
+    add_test(NAME test_RecurrentGradientMachine
+        COMMAND .set_python_path.sh -d
+                ${PADDLE_SOURCE_DIR}/python:${PADDLE_SOURCE_DIR}/paddle/gserver/tests
+                ${CMAKE_CURRENT_BINARY_DIR}/test_RecurrentGradientMachine
+        WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle)
+      
+############### test_NetworkCompare ###############
     add_unittest_without_exec(test_NetworkCompare
         test_NetworkCompare.cpp)
     if(WITH_GPU)

paddle/gserver/tests/test_Expand.cpp

+/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
+
+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 <string>
+#include <vector>
+
+#include "LayerGradUtil.h"
+#include "paddle/testing/TestUtil.h"
+
+using namespace paddle;  // NOLINT
+using namespace std;     // NOLINT
+
+// Do one forward pass of expand layer and check to see if its output
+// matches the given result.(Test onlyCPU currently.)
+void doOneExpandTest(string trans_type,
+                     bool hasSubseq,
+                     bool useGpu,
+                     Argument& input1,
+                     Argument& input2,
+                     Argument& result) {
+  FLAGS_use_gpu = false;
+  // Setting up the expand layer
+  TestConfig config;
+  config.layerConfig.set_type("expand");
+
+  auto inputType1 =
+      trans_type == "non-seq" ? INPUT_DENSE_DIM_DATA : INPUT_SEQUENCE_DATA;
+  config.inputDefs.push_back({inputType1, "layer0", 1, 0});
+  auto inputType2 =
+      hasSubseq ? INPUT_HASSUB_SEQUENCE_DATA : INPUT_SEQUENCE_DATA;
+
+  config.inputDefs.push_back({inputType2, "layer1", 1, 0});
+  config.layerConfig.add_inputs();
+  config.layerConfig.add_inputs();
+  config.layerConfig.set_trans_type(trans_type);
+
+  // data layer initialize
+  std::vector<DataLayerPtr> dataLayers;
+  LayerMap layerMap;
+  vector<Argument> datas;
+  initDataLayer(
+      config, &dataLayers, &datas, &layerMap, "expand", 1, false, useGpu);
+  dataLayers[0]->getOutput() = input1;
+  dataLayers[1]->getOutput() = input2;
+
+  // test layer initialize
+  std::vector<ParameterPtr> parameters;
+  LayerPtr expandLayer;
+  initTestLayer(config, &layerMap, &parameters, &expandLayer);
+  expandLayer->forward(PASS_GC);
+  checkMatrixEqual(expandLayer->getOutputValue(), result.value);
+}
+
+TEST(Layer, ExpandLayerFwd) {
+  bool useGpu = false;
+
+  // Assume batch_size =3 in all cases.
+
+  // CPU case 1. non-seq expand to seq
+  // input1 = 1,2,3
+  // input2 = [4,5],[6],[7,8,9]
+  // result = [1,1],[2],[3,3,3]
+  Argument input1, input2, result;
+  input1.value = Matrix::create(3, 1, false, useGpu);
+  real input1Data[] = {1, 2, 3};
+  input1.value->setData(input1Data);
+
+  input2.value = Matrix::create(6, 1, false, useGpu);
+  real input2Data[] = {4, 5, 6, 7, 8, 9};
+  input2.value->setData(input2Data);
+  input2.sequenceStartPositions = ICpuGpuVector::create(4, useGpu);
+  int input2Seq[] = {0, 2, 3, 6};
+  input2.sequenceStartPositions->copyFrom(input2Seq, 4, useGpu);
+
+  result.value = Matrix::create(6, 1, false, useGpu);
+  real resultData[] = {1, 1, 2, 3, 3, 3};
+  result.value->setData(resultData);
+
+  doOneExpandTest("non-seq", false, useGpu, input1, input2, result);
+
+  // CPU case 2. non-seq expand to sub-seq
+  // input1 = 1,2,3
+  // input2 = [[4,5]],[[6]],[[7],[8,9]]
+  // result = [[1,1]],[[2]],[[3],[3,3]]
+  input2.subSequenceStartPositions = ICpuGpuVector::create(5, useGpu);
+  int input2SubSeq[] = {0, 2, 3, 4, 6};
+  input2.subSequenceStartPositions->copyFrom(input2SubSeq, 5, useGpu);
+
+  doOneExpandTest("non-seq", true, useGpu, input1, input2, result);
+
+  // CPU case 3. seq expand to sub-seq
+  // input1 = [1,2],[3],[4]
+  // input2 = [[4,5]],[[6]],[[7],[8,9]]
+  // result = [[1,1]],[[2]],[[3],[4,4]]
+  Matrix::resizeOrCreate(input1.value, 4, 1, false, useGpu);
+  real input1Data_case3[] = {1, 2, 3, 4};
+  input1.value->setData(input1Data_case3);
+
+  input1.sequenceStartPositions = ICpuGpuVector::create(4, useGpu);
+  int input1Seq[] = {0, 2, 3, 4};
+  input1.sequenceStartPositions->copyFrom(input1Seq, 4, useGpu);
+
+  real resultData_case3[] = {1, 1, 2, 3, 4, 4};
+  result.value->setData(resultData_case3);
+
+  doOneExpandTest("seq", true, useGpu, input1, input2, result);
+}
+
+int main(int argc, char** argv) {
+  testing::InitGoogleTest(&argc, argv);
+  initMain(argc, argv);
+  return RUN_ALL_TESTS();
+}