import tempfile
import unittest
from unittest.mock import patch
from pathlib import Path
from generator import resources
from tests import scale_fixtures, rhythm_fixtures
from tests import solo_fixtures as fixture

class ResourceCache(unittest.TestCase):
  def test_compiled_and_xml_libraries_have_identical_contents(self):
    original=(scale_fixtures.library(),fixture.library(),rhythm_fixtures.library())
    import json
    encoded=json.loads(json.dumps(resources.encode(original),default=str))
    restored=resources.decode(encoded)
    self.assertEqual(original[0],restored[0])
    self.assertEqual(original[1].paths,restored[1].paths)
    self.assertEqual(original[2].snippets,restored[2].snippets)

  def test_warm_cache_avoids_xml_import_and_corruption_recompiles(self):
    original=(scale_fixtures.library(),fixture.library(),rhythm_fixtures.library())
    with tempfile.TemporaryDirectory() as root:
      with patch('generator.resources.scales.load_library',return_value=original[0]) as sc,patch('generator.resources.sequences.load_library',return_value=original[1]),patch('generator.resources.rhythm.load_library',return_value=original[2]):
        resources._load.cache_clear();resources.load(Path(root),{'fixture':'1'},root)
        self.assertEqual(sc.call_count,1)
        resources._load.cache_clear();resources.load(Path(root),{'fixture':'1'},root)
        self.assertEqual(sc.call_count,1)
        next((Path(root)/'_resources').glob('*.json')).write_text('{}')
        resources._load.cache_clear();resources.load(Path(root),{'fixture':'1'},root)
        self.assertEqual(sc.call_count,2)