test(encoding): add tests for non-UTF8 XML declaration handling

Author: Vladimir Prelovac

tests/test_encoding.py

@@ -0,0 +1,32 @@
+from fastfeedparser import parse
+
+
+def test_parse_str_with_non_utf8_xml_declaration():
+    xml = (
+        '<?xml version="1.0" encoding="iso-8859-1"?>'
+        '<rss version="2.0">'
+        "<channel>"
+        "<title>café</title>"
+        "<item><title>café</title></item>"
+        "</channel>"
+        "</rss>"
+    )
+    feed = parse(xml)
+    assert feed.feed.title == "café"
+    assert feed.entries[0].title == "café"
+
+
+def test_parse_bytes_with_non_utf8_encoding():
+    xml_bytes = (
+        b'<?xml version="1.0" encoding="iso-8859-1"?>'
+        b'<rss version="2.0">'
+        b"<channel>"
+        b"<title>caf\xe9</title>"
+        b"<item><title>caf\xe9</title></item>"
+        b"</channel>"
+        b"</rss>"
+    )
+    feed = parse(xml_bytes)
+    assert feed.feed.title == "café"
+    assert feed.entries[0].title == "café"
+