test: add CLI error cases and cookies option tests

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/main.py

@@ -1,5 +1,6 @@
 import click
 import os
+from click.exceptions import Exit
 from src.validator import validate_space_url
 from src.downloader import download_space, DownloadError
 
@@ -19,7 +20,7 @@ def cli(url, cookies, output):
     is_valid, space_id, error = validate_space_url(url)
     if not is_valid:
         click.echo(f"Error: {error}", err=True)
-        raise click.Exit(1)
+        raise Exit(1)
 
     # Download the Space
     try:
@@ -28,7 +29,7 @@ def cli(url, cookies, output):
         click.echo(f"Successfully downloaded to: {output_path}")
     except DownloadError as e:
         click.echo(f"Error: {str(e)}", err=True)
-        raise click.Exit(2)
+        raise Exit(2)
 
 
 if __name__ == '__main__':

tests/test_main.py

@@ -2,6 +2,7 @@ import pytest
 from click.testing import CliRunner
 from unittest.mock import patch, Mock
 from src.main import cli
+from src.downloader import DownloadError
 
 
 def test_cli_valid_url(tmp_path):
@@ -19,3 +20,54 @@ def test_cli_valid_url(tmp_path):
         assert result.exit_code == 0
         assert "Successfully downloaded" in result.output
         assert "space_1ZkKzZWnVRRKv.mp3" in result.output
+
+
+def test_cli_invalid_url():
+    """Test CLI with invalid URL."""
+    runner = CliRunner()
+
+    result = runner.invoke(cli, ['https://invalid.com/spaces/123'])
+
+    assert result.exit_code == 1
+    assert "Invalid URL format" in result.output
+
+
+def test_cli_download_failure():
+    """Test CLI when download fails."""
+    runner = CliRunner()
+
+    with patch('src.main.validate_space_url') as mock_validate, \
+         patch('src.main.download_space') as mock_download:
+
+        mock_validate.return_value = (True, "1ZkKzZWnVRRKv", None)
+        mock_download.side_effect = DownloadError("Video unavailable")
+
+        result = runner.invoke(cli, ['https://x.com/i/spaces/1ZkKzZWnVRRKv'])
+
+        assert result.exit_code == 2
+        assert "Video unavailable" in result.output
+
+
+def test_cli_with_cookies(tmp_path):
+    """Test CLI with cookies file."""
+    runner = CliRunner()
+
+    # Create a fake cookies file
+    cookies_file = tmp_path / "cookies.txt"
+    cookies_file.write_text("# Netscape HTTP Cookie File\n")
+
+    with patch('src.main.validate_space_url') as mock_validate, \
+         patch('src.main.download_space') as mock_download:
+
+        mock_validate.return_value = (True, "1ZkKzZWnVRRKv", None)
+        mock_download.return_value = str(tmp_path / "space_1ZkKzZWnVRRKv.mp3")
+
+        result = runner.invoke(cli, [
+            'https://x.com/i/spaces/1ZkKzZWnVRRKv',
+            '--cookies', str(cookies_file)
+        ])
+
+        assert result.exit_code == 0
+        mock_download.assert_called_once()
+        # Check that cookies file was passed as third positional argument
+        assert mock_download.call_args[0][2] == str(cookies_file)