Adds subtitle default dir

tests/unit/test_cli_subtitle_directory.py

@@ -0,0 +1,84 @@
+from __future__ import annotations
+
+import json
+import os
+from pathlib import Path
+import sys
+import tempfile
+import unittest
+
+from click.testing import CliRunner
+
+
+SRC_ROOT = Path(__file__).resolve().parents[2] / "src"
+
+if str(SRC_ROOT) not in sys.path:
+    sys.path.insert(0, str(SRC_ROOT))
+
+
+from ffx import cli  # noqa: E402
+
+
+class SubtitleDirectoryCliTests(unittest.TestCase):
+    def setUp(self):
+        self.tempdir = tempfile.TemporaryDirectory()
+        self.home_dir = Path(self.tempdir.name) / "home"
+        self.home_dir.mkdir()
+        self.database_path = Path(self.tempdir.name) / "test.db"
+
+    def tearDown(self):
+        self.tempdir.cleanup()
+
+    def write_config(self, data: dict) -> None:
+        config_dir = self.home_dir / ".local" / "etc"
+        config_dir.mkdir(parents=True, exist_ok=True)
+        (config_dir / "ffx.json").write_text(json.dumps(data), encoding="utf-8")
+
+    def invoke_convert(self, *args: str):
+        runner = CliRunner()
+        return runner.invoke(
+            cli.ffx,
+            [
+                "--database-file",
+                str(self.database_path),
+                "convert",
+                "--no-tmdb",
+                *args,
+            ],
+            env={**os.environ, "HOME": str(self.home_dir)},
+        )
+
+    def test_subtitle_prefix_without_directory_or_default_fails(self):
+        result = self.invoke_convert("--subtitle-prefix", "dball")
+
+        self.assertNotEqual(0, result.exit_code)
+        self.assertIn("no --subtitle-directory was provided", result.output)
+        self.assertIn("no subtitlesDirectory default is configured", result.output)
+
+    def test_subtitle_prefix_without_directory_fails_when_configured_subdir_is_missing(self):
+        subtitles_base_dir = self.home_dir / ".local" / "var" / "sync" / "subtitles"
+        subtitles_base_dir.mkdir(parents=True, exist_ok=True)
+        self.write_config({"subtitlesDirectory": "~/.local/var/sync/subtitles"})
+
+        result = self.invoke_convert("--subtitle-prefix", "dball")
+
+        self.assertNotEqual(0, result.exit_code)
+        self.assertIn("resolved subtitle directory does not exist", result.output)
+        self.assertIn(str(subtitles_base_dir / "dball"), result.output)
+
+    def test_explicit_subtitle_directory_wins_over_missing_default(self):
+        explicit_subtitle_directory = self.home_dir / "manual-subtitles"
+        explicit_subtitle_directory.mkdir(parents=True, exist_ok=True)
+
+        result = self.invoke_convert(
+            "--subtitle-directory",
+            str(explicit_subtitle_directory),
+            "--subtitle-prefix",
+            "dball",
+        )
+
+        self.assertEqual(0, result.exit_code, result.output)
+
+
+if __name__ == "__main__":
+    unittest.main()