diff --git a/ecs/crm-datafetch/src/parser/json_parse.py b/ecs/crm-datafetch/src/parser/json_parser.py
similarity index 100%
rename from ecs/crm-datafetch/src/parser/json_parse.py
rename to ecs/crm-datafetch/src/parser/json_parser.py
diff --git a/ecs/crm-datafetch/src/prepare_data_fetch_process.py b/ecs/crm-datafetch/src/prepare_data_fetch_process.py
index 03427265..f0ea9ab6 100644
--- a/ecs/crm-datafetch/src/prepare_data_fetch_process.py
+++ b/ecs/crm-datafetch/src/prepare_data_fetch_process.py
@@ -1,7 +1,7 @@
 from src.aws.s3 import ConfigBucket
 from src.config.objects import FetchTargetObjects
 from src.error.exceptions import FileNotFoundException, InvalidConfigException
-from src.parser.json_parse import JsonParser
+from src.parser.json_parser import JsonParser
 from src.system_var.constants import PRE_JP_NAME
 from src.system_var.environments import (CRM_CONFIG_BUCKET,
                                          OBJECT_INFO_FILENAME,
diff --git a/ecs/crm-datafetch/src/set_datetime_period_process.py b/ecs/crm-datafetch/src/set_datetime_period_process.py
index bfebd5c2..062fac97 100644
--- a/ecs/crm-datafetch/src/set_datetime_period_process.py
+++ b/ecs/crm-datafetch/src/set_datetime_period_process.py
@@ -1,7 +1,7 @@
 from src.aws.s3 import ConfigBucket
 from src.config.objects import LastFetchDatetime, TargetObject
 from src.error.exceptions import FileNotFoundException, InvalidConfigException
-from src.parser.json_parse import JsonParser
+from src.parser.json_parser import JsonParser
 from src.system_var.constants import DATE_JP_NAME
 from src.system_var.environments import (CRM_CONFIG_BUCKET,
                                          LAST_FETCH_DATE_FOLDER)
diff --git a/ecs/crm-datafetch/tests/test_prepare_data_fetch_process.py b/ecs/crm-datafetch/tests/test_prepare_data_fetch_process.py
index 8eff4b2a..298eb192 100644
--- a/ecs/crm-datafetch/tests/test_prepare_data_fetch_process.py
+++ b/ecs/crm-datafetch/tests/test_prepare_data_fetch_process.py
@@ -1,6 +1,7 @@
 import json
 import logging
 from datetime import datetime
+from unittest.mock import MagicMock, patch
 
 import pytest
 from src.config.objects import FetchTargetObjects
@@ -92,3 +93,38 @@ class TestPrepareDataFetchProcess:
         assert generate_log_message_tuple(log_message='I-PRE-01 データ取得準備処理を開始します') in caplog.record_tuples
         assert generate_log_message_tuple(log_message=f'I-PRE-02 データ取得処理開始日時：{str(actual_execute_datetime)}') in caplog.record_tuples
         assert generate_log_message_tuple(log_message='I-PRE-09 データ取得準備処理を終了します') in caplog.record_tuples
+
+    def mock_get_object_info_file():
+        return {}
+
+    def mock_parse():
+        return {}
+
+    def mock_constructor():
+        pass
+
+    def test_call_depended_modules(self, s3_client, prepare_bucket, bucket_name, monkeypatch, caplog):
+        """
+        Cases:
+            データ取得準備処理内で依存しているモジュールが正しく呼ばれていること
+        Arranges:
+            - データ取得準備処理の依存モジュールをモック化する
+        Expects:
+            - 依存しているモジュールが正しく呼ばれている
+        """
+
+        # Arrange
+        mock_config_bucket = MagicMock(return_value='')
+        mock_json_parser = MagicMock(return_value={})
+        mock_fetch_target_objects = MagicMock(return_value=None)
+        # Act
+        with patch('src.aws.s3.ConfigBucket.get_object_info_file', mock_config_bucket), \
+                patch('src.parser.json_parser.JsonParser.parse', mock_json_parser), \
+                patch('src.config.objects.FetchTargetObjects.__init__', mock_fetch_target_objects):
+            prepare_data_fetch_process()
+
+        # Assert
+
+        assert mock_config_bucket.called is True
+        assert mock_json_parser.called is True
+        assert mock_fetch_target_objects.called is True