chore: import upstream snapshot with attribution

tests/parser/file/test_html_parser.py

@@ -0,0 +1,43 @@
+import pytest
+from pathlib import Path
+from unittest.mock import patch, MagicMock
+
+import sys
+import types
+
+from application.parser.file.html_parser import HTMLParser
+
+
+@pytest.fixture
+def html_parser():
+    return HTMLParser()
+
+
+def test_html_init_parser():
+    parser = HTMLParser()
+    assert isinstance(parser._init_parser(), dict)
+    assert not parser.parser_config_set
+    parser.init_parser()
+    assert parser.parser_config_set
+
+
+def test_html_parser_parse_file():
+    parser = HTMLParser()
+    mock_doc = MagicMock()
+    mock_doc.page_content = "Extracted HTML content"
+    mock_doc.metadata = {"source": "test.html"}
+
+    fake_lc = types.ModuleType("langchain_community")
+    fake_dl = types.ModuleType("langchain_community.document_loaders")
+
+    bshtml_mock = MagicMock(return_value=MagicMock(load=MagicMock(return_value=[mock_doc])))
+    fake_dl.BSHTMLLoader = bshtml_mock
+    fake_lc.document_loaders = fake_dl
+
+    with patch.dict(sys.modules, {
+        "langchain_community": fake_lc,
+        "langchain_community.document_loaders": fake_dl,
+    }):
+        result = parser.parse_file(Path("test.html"))
+        assert result == [mock_doc]
+        bshtml_mock.assert_called_once_with(Path("test.html"))