feat: Make pattern changeable

src/drive_handle.py

@@ -134,7 +134,7 @@ class DriveHandle:
             return True
         return False
 
-    def write_pattern(self) -> None:
+    def write_pattern(self, symbol: chr) -> None:
         """
         Writes the pattern file to the disk
 
@@ -142,7 +142,7 @@ class DriveHandle:
             symbol (chr): The symbol the pattern file shall be filled with
         """
         print(colored("[DriveHandle] Writing a pattern to the raw disk.", "light_grey"))
-        pattern_symbol: bytes = b'A' * 512
+        pattern_symbol: bytes = symbol.encode() * 512
         progressbar = Spinner('[DriveHandle] Writing the pattern')
 
         volume_path = subprocess.check_output(['powershell.exe', f'(Get-Volume -DriveLetter {self._drive_letter}).UniqueID']).decode("utf-8").replace("\r\n", "")

src/tests/slack_test.py

@@ -27,7 +27,7 @@ class SlackTest(DecisionTest):
         print(colored("[SlackTest] Running the slack test!", 'light_blue'))
 
         # create pattern
-        self.drive_handle.write_pattern()
+        self.drive_handle.write_pattern('A')
 
         self.drive_handle.flush_cache()
         print("[SlackTest] Waiting 120s for OS to flush the cache...")