test: check if destination exists

--destination
--chapter-start
--notify

.editorconfig

@@ -0,0 +1,14 @@
+root = true
+
+[*]
+trim_trailing_whitespace = true
+end_of_line = lf
+insert_final_newline = false
+charset = utf-8
+
+[*.py]
+indent_style = space
+indent_size = 2
+
+[Makefile]
+indent_size = tab

.gitignore

@@ -1,3 +1,5 @@
 .vscode
 dist
-src/*.egg-info
+src/*.egg-info
+__pycache__
+.pytest_cache

Makefile

@@ -0,0 +1,7 @@
+init:
+	pip install -r requirements.txt
+
+test:
+	py.test tests
+
+.PHONY: init test

manga_up/__main__.py

@@ -0,0 +1,29 @@
+"""
+Manga checker and downloader
+"""
+
+import argparse
+import os
+
+if __name__ == '__main__':
+  parser = argparse.ArgumentParser(
+    description="Check for manga updates and download them."
+  )
+  parser.add_argument(
+    '-d', '--destination', type=str, required=True, help="Target destination where the download file should be saved."
+  )
+  parser.add_argument(
+    '-s', '--chapter-start', type=int, default=1, help="From which chapter should the program check."
+  )
+  parser.add_argument(
+    '-n', '--notify', type=str, default=None, help="Apprise notification string."
+  )
+
+  args = parser.parse_args()
+
+  destination = os.path.abspath(args.destination)
+
+  if not os.path.exists(destination):
+    print(f'Destination {destination} does not exist.')
+  if not os.path.isdir(destination):
+    print(f'Destination {destination} is not a directory.')

src/manga-up/manga-up.py

@@ -1,4 +0,0 @@
-import requests
-
-response = requests.get('https://httpbin.org/ip')
-print('Code is {0}.'.format(response.status_code))

tests/test_arguments.py

@@ -0,0 +1,29 @@
+from subprocess import CalledProcessError
+import unittest
+import subprocess
+import os
+
+
+class ArgumentTestClass(unittest.TestCase):
+
+  def setUp(self):
+    import tempfile
+    self.existing_dir = tempfile.mkdtemp()
+
+  def test_argument_required(self):
+    with self.assertRaises(CalledProcessError):
+      subprocess.check_output(['python', 'manga_up'])
+
+  def test_destination_exists(self):
+    result = subprocess.check_output(['python', 'manga_up', '--destination', 'nonexistent'])
+    self.assertIn('does not exist', str(result))
+
+  def test_destination_is_not_directory(self):
+    result = subprocess.check_output(['python', 'manga_up', '--destination', self.existing_file])
+    self.assertIn('not a directory', str(result))
+
+  def tearDown(self) -> None:
+      os.rmdir(self.existing_dir)
+
+if __name__ == '__main__':
+  unittest.main()