add unit tests for filereader and filewriter (#6)

* initial check-in of working version.

* add file containing dependencies to install

* first draft

* added more lint rules. cleaned up table format.

* updated lint rules

* Removed references from the bottom of the page

* Move process impl into the base class FileProcessor.

* use file_extension as key to look up the right FileWriter class

* add newline

* add command line arg processing

* corrected file extensions lookup table

* move FileReader responsibility out of the FileProcessor

* expose FileReader and message linter

* modify FileProcessor to accept FileReader and FileWriter

* use updated FileProcessor

* add more command line usages

* rename to message_lint (from str_res_lint)

* update README to reflect the renaming to message_lint (from str_res_lint)

* remove static method (build_output_folder) from FileWriter

* add test files

* Create .gitignore

* don't include __pycache__

* reorganize table

* change --dest option to --output_folder

* clean up table. remove need for --file option. rename --dest option to `output_folder`

* correct to NullFileReader

* fix indentation issue

* add unit tests for filereader and filewriter.

* remove commented code

utils/filereader.py

@@ -59,7 +59,6 @@ def read(self) -> dict:
                 content[message_id] = {
                     "message": message
                 }
-
         return content
 
 

utils/filewriter.py

@@ -7,7 +7,6 @@
 class FileWriter:
     def __init__(self, filename):
         self.filename = filename
-        # self.folder_path = FileWriter.build_output_folder(filename)
         self.folder_path = os.path.dirname(filename)
         print("FileWriter:", self.folder_path)
 

utils/test_filereader.py

@@ -0,0 +1,23 @@
+import unittest
+import filereader as fr
+
+
+class FileReaderTest(unittest.TestCase):
+    def test_json_filereader(self):
+        filename = "../test_files/test.json"
+        reader = fr.FileReader.get(filename)
+        self.assertEqual(type(reader), type(fr.JsonFileReader(filename)))
+
+    def test_null_filereader(self):
+        filename = "../test_files/test.j"
+        reader = fr.FileReader.get(filename)
+        self.assertEqual(type(reader), type(fr.NullFileReader(filename)))
+
+    def test_properties_filereader(self):
+        filename = "../test_files/test.properties"
+        reader = fr.FileReader.get(filename)
+        self.assertEqual(type(reader), type(fr.PropertiesFileReader(filename)))
+
+
+if __name__ == '__main__':
+    unittest.main()

utils/test_filewriter.py

@@ -0,0 +1,23 @@
+import unittest
+import filewriter as fw
+
+
+class FileWriterTest(unittest.TestCase):
+    def test_json_filewriter(self):
+        filename = "../test_files/test.json"
+        reader = fw.FileWriter.get(filename)
+        self.assertEqual(type(reader), type(fw.JsonFileWriter(filename)))
+
+    def test_null_filewriter(self):
+        filename = "../test_files/test.j"
+        reader = fw.FileWriter.get(filename)
+        self.assertEqual(type(reader), type(fw.BadFileWriter(filename)))
+
+    def test_properties_filewriter(self):
+        filename = "../test_files/test.properties"
+        reader = fw.FileWriter.get(filename)
+        self.assertEqual(type(reader), type(fw.PropertiesFileWriter(filename)))
+
+
+if __name__ == '__main__':
+    unittest.main()