!9783 Address PR9677 comments

From: @luoyang42
Reviewed-by: @liucunwei,@heleiwang
Signed-off-by: @liucunwei

mindspore/ccsrc/minddata/dataset/api/minddata_eager.cc

@@ -68,7 +68,7 @@ Status MindDataEager::LoadImageFromDir(const std::string &image_dir, std::vector
   // Check target directory
   dataset::Path image_dir_(image_dir);
   if (!image_dir_.Exists() || !image_dir_.IsDirectory()) {
-    std::string err_msg = "Target directory: " + image_dir + " does not exist or not a dir.";
+    std::string err_msg = "Target directory: " + image_dir + " does not exist or not a directory.";
     MS_LOG(ERROR) << err_msg;
     return Status(StatusCode::FAILED, err_msg);
   }

mindspore/ccsrc/minddata/dataset/include/minddata_eager.h

@@ -45,7 +45,7 @@ class MindDataEager {
   /// \brief Function to read images from local directory
   /// \param[inout] image_dir Target directory which contains images
   /// \param[output] images Vector of image Tensor
-  /// \return Return error status if encounters exception
+  /// \return Status The status code returned
   static Status LoadImageFromDir(const std::string &image_dir, std::vector<std::shared_ptr<Tensor>> *images);
 
   /// \brief Callable function to execute the TensorOperation in eager mode

tests/cxx_st/dataset/test_de.cc

@@ -29,9 +29,9 @@ class TestDE : public ST::Common {
   TestDE() {}
 };
 
-TEST_F(TestDE, Test1) {
+TEST_F(TestDE, ResNetPreprocess) {
   std::vector<std::shared_ptr<Tensor>> images;
-  MindDataEager::LoadImageFromDir("/home/eager/apple", &images);
+  MindDataEager::LoadImageFromDir("/home/workspace/mindspore_dataset/imagenet/imagenet_original/val/n01440764", &images);
 
   MindDataEager Compose({Decode(),
                          Resize({224, 224}),

tests/cxx_st/runtest.sh

@@ -24,7 +24,7 @@ else
 	echo "BUILD_PATH = $BUILD_PATH"
 fi
 
-cd ${BUILD_PATH}/mindspore/tests/cxx_st2
+cd ${BUILD_PATH}/mindspore/tests/cxx_st
 
 export LD_LIBRARY_PATH=${BUILD_PATH}/mindspore/googletest/googlemock/gtest:${PROJECT_PATH}/mindspore:${PROJECT_PATH}/mindspore/lib:$LD_LIBRARY_PATH
 export PYTHONPATH=${PROJECT_PATH}/tests/ut/cpp/python_input:$PYTHONPATH:${PROJECT_PATH}