[Test] public void create_File() { var fileName = "test.txt".insert_5_RandomLetters(); var contents = "some contents".add_5_RandomLetters(); var filePath = apiCassini.create_File(fileName, contents); filePath.assert_File_Exists() .assert_Are_Equal(file => file.contents(), contents) .assert_File_Deleted(); //check nulls and empty apiCassini.create_File(fileName, "").assert_Null(); apiCassini.create_File(fileName, null).assert_Null(); }