Add unit tests for html_formatter, csv_db

tests/formatters/test_html_formatter.py

@@ -0,0 +1,31 @@
+import unittest
+
+from auto_archiver.core.context import ArchivingContext
+from auto_archiver.formatters.html_formatter import HtmlFormatter
+from auto_archiver.core import Metadata, Media
+
+
+class TestHTMLFormatter(unittest.TestCase):
+
+    def setUp(self):
+        ArchivingContext.prev_algorithm = ArchivingContext.get("hash_enricher.algorithm", "")
+        ArchivingContext.set("hash_enricher.algorithm", "SHA-256")
+        return super().setUp()
+    
+    def tearDown(self):
+        ArchivingContext.set("hash_enricher.algorithm", ArchivingContext.prev_algorithm)
+        del ArchivingContext.prev_algorithm
+        return super().tearDown()
+
+    def test_format(self):
+        formatter = HtmlFormatter({})
+        metadata = Metadata().set("content", "Hello, world!").set_url('https://example.com')
+
+        final_media = formatter.format(metadata)
+        self.assertIsInstance(final_media, Media)
+        self.assertIn(".html", final_media.filename)
+        with open (final_media.filename, "r") as f:
+            content = f.read()
+            self.assertIn("Hello, world!", content)
+        self.assertEqual("text/html", final_media.mimetype)
+        self.assertIn("SHA-256:", final_media.get('hash'))