!10287 Add ut for dataset to_number

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

mindspore/dataset/text/validators.py

@@ -402,7 +402,7 @@ def check_to_number(method):
         type_check(data_type, (typing.Type,), "data_type")
 
         if data_type not in mstype.number_type:
-            raise TypeError("data_type is not numeric data type.")
+            raise TypeError("data_type: " + str(data_type) + " is not numeric data type.")
 
         return method(self, *args, **kwargs)
 

mindspore/lite/minddata/wrapper/album_op_android.cc

@@ -228,7 +228,7 @@ Status AlbumOp::LoadImageTensor(const std::string &image_file_path, uint32_t col
 // get orientation from EXIF file
 int AlbumOp::GetOrientation(const std::string &folder_path) {
   FILE *fp = fopen(folder_path.c_str(), "rb");
-  if (!fp) {
+  if (fp == nullptr) {
     MS_LOG(ERROR) << "Can't read file for EXIF:  file = " << folder_path;
     return 0;
   }

tests/ut/cpp/dataset/c_api_text_test.cc

@@ -1255,10 +1255,16 @@ TEST_F(MindDataTestPipeline, TestToNumberFail4) {
   EXPECT_NE(ds, nullptr);
 
   // Create ToNumber operation on ds
-  std::shared_ptr<TensorOperation> to_number = text::ToNumber(DataType("string"));
+  std::shared_ptr<TensorOperation> to_number1 = text::ToNumber(DataType("string"));
 
   // Expect failure: invalid parameter with non numerical DataType
-  EXPECT_EQ(to_number, nullptr);
+  EXPECT_EQ(to_number1, nullptr);
+
+  // Create ToNumber operation on ds
+  std::shared_ptr<TensorOperation> to_number2 = text::ToNumber(DataType("bool"));
+
+  // Expect failure: invalid parameter with non numerical DataType
+  EXPECT_EQ(to_number2, nullptr);
 }
 
 TEST_F(MindDataTestPipeline, TestTruncateSequencePairSuccess1) {

tests/ut/python/dataset/test_to_number_op.py

@@ -186,6 +186,13 @@ def test_to_number_invalid_input():
     assert "It is invalid to convert " + input_strings[0] + " to a number" in str(info.value)
 
 
+def test_to_number_invalid_type():
+    with pytest.raises(TypeError) as info:
+        dataset = ds.GeneratorDataset(string_dataset_generator(["a8fa9ds8fa"]), "strings")
+        dataset = dataset.map(operations=text.ToNumber(mstype.bool_), input_columns=["strings"])
+    assert "data_type: Bool is not numeric data type" in str(info.value)
+
+
 if __name__ == '__main__':
     test_to_number_typical_case_integral()
     test_to_number_typical_case_non_integral()
@@ -193,3 +200,4 @@ if __name__ == '__main__':
     test_to_number_out_of_bounds_integral()
     test_to_number_out_of_bounds_non_integral()
     test_to_number_invalid_input()
+    test_to_number_invalid_type()