E2E: Add test test_configuration_during_filling_up_gaps_should_not_do…

…wnload_existing_files

e2e/fixures.py

@@ -111,6 +111,9 @@ def get_feed_url(self) -> str:
 
         return self.httpserver.url_for(self.url_prefix + self.FEED_RSS_FILE_NAME)
 
+    def get_requested_files_list(self):
+        return [log[0].path[1:] for log in self.httpserver.log]
+
 
 class PodcastDirectory:
     def __init__(self, download_destination_directory: Path) -> None:

e2e/test_logic.py

@@ -1,3 +1,4 @@
+from itertools import chain
 from typing import Callable, Dict
 from e2e.fixures import (
     FeedBuilder,
@@ -75,3 +76,49 @@ def test_ignore_files_not_being_part_of_the_feed(
         [file_name.lower() for file_name in not_podcasts_files]
         + [last_podcast_file.lower()]
     )
+
+
+def test_configuration_during_filling_up_gaps_should_not_download_existing_files(
+    feed: FeedBuilder,
+    use_config: Callable[[Dict], None],
+    podcast_directory: PodcastDirectory,
+):
+    # Arrange
+    files_downloaded_and_removed = call_n_times(generate_random_mp3_file)
+    downloaded_files_before_gap = call_n_times(generate_random_mp3_file)
+    files_in_the_gap = call_n_times(generate_random_mp3_file)
+    downloaded_files_after_gap = call_n_times(generate_random_mp3_file)
+    files_to_download = call_n_times(generate_random_mp3_file)
+
+    for file_name in chain(
+        files_downloaded_and_removed,
+        downloaded_files_before_gap,
+        files_in_the_gap,
+        downloaded_files_after_gap,
+        files_to_download,
+    ):
+        feed.add_entry(file_name)
+
+    for file_name in chain(
+        downloaded_files_before_gap,
+        downloaded_files_after_gap,
+    ):
+        podcast_directory.add_file(file_name)
+
+    use_config(
+        {
+            "podcasts": [
+                {
+                    "path": podcast_directory.path(),
+                    "rss_link": feed.get_feed_url(),
+                    "fill_up_gaps": True,
+                }
+            ],
+        }
+    )
+
+    # Act
+    run_podcast_downloader()
+
+    # Assert
+    assert set(feed.get_requested_files_list()) == set(files_to_download)