feat: integrate last30days and daily-news-report skills

skills/last30days/tests/test_cache.py

@@ -0,0 +1,59 @@
+"""Tests for cache module."""
+
+import sys
+import unittest
+from pathlib import Path
+
+# Add lib to path
+sys.path.insert(0, str(Path(__file__).parent.parent / "scripts"))
+
+from lib import cache
+
+
+class TestGetCacheKey(unittest.TestCase):
+    def test_returns_string(self):
+        result = cache.get_cache_key("test topic", "2026-01-01", "2026-01-31", "both")
+        self.assertIsInstance(result, str)
+
+    def test_consistent_for_same_inputs(self):
+        key1 = cache.get_cache_key("test topic", "2026-01-01", "2026-01-31", "both")
+        key2 = cache.get_cache_key("test topic", "2026-01-01", "2026-01-31", "both")
+        self.assertEqual(key1, key2)
+
+    def test_different_for_different_inputs(self):
+        key1 = cache.get_cache_key("topic a", "2026-01-01", "2026-01-31", "both")
+        key2 = cache.get_cache_key("topic b", "2026-01-01", "2026-01-31", "both")
+        self.assertNotEqual(key1, key2)
+
+    def test_key_length(self):
+        key = cache.get_cache_key("test", "2026-01-01", "2026-01-31", "both")
+        self.assertEqual(len(key), 16)
+
+
+class TestCachePath(unittest.TestCase):
+    def test_returns_path(self):
+        result = cache.get_cache_path("abc123")
+        self.assertIsInstance(result, Path)
+
+    def test_has_json_extension(self):
+        result = cache.get_cache_path("abc123")
+        self.assertEqual(result.suffix, ".json")
+
+
+class TestCacheValidity(unittest.TestCase):
+    def test_nonexistent_file_is_invalid(self):
+        fake_path = Path("/nonexistent/path/file.json")
+        result = cache.is_cache_valid(fake_path)
+        self.assertFalse(result)
+
+
+class TestModelCache(unittest.TestCase):
+    def test_get_cached_model_returns_none_for_missing(self):
+        # Clear any existing cache first
+        result = cache.get_cached_model("nonexistent_provider")
+        # May be None or a cached value, but should not error
+        self.assertTrue(result is None or isinstance(result, str))
+
+
+if __name__ == "__main__":
+    unittest.main()